mirror of
git://git.sv.gnu.org/autoconf
synced 2025-03-19 14:40:24 +08:00
fix up dir header check
This commit is contained in:
David MacKenzie
parent
219f18ff3a
commit
cf879be04c
11
Makefile.in
11
Makefile.in
@ -52,7 +52,7 @@ SUBDIRS = testsuite
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# Files that can be generated, but should be up to date for a distribution.
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DISTDEP = info Makefile
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# Files to distribute.
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DISTFILES = COPYING ChangeLog INSTALL Makefile.in NEWS README \
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DISTFILES = COPYING ChangeLog INSTALL Makefile.in NEWS README TODO \
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acconfig.h acfunctions acgeneral.m4 acheaders acidentifiers \
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acmakevars acoldnames.m4 acprograms acspecific.m4 autoconf.info* \
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autoconf.sh autoconf.texi install.texi \
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@ -180,25 +180,22 @@ Makefile: Makefile.in config.status
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config.status: configure
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./config.status --recheck
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# FIXME this doesn't work.
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clean mostlyclean distclean realclean::
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for dir in $(SUBDIRS); do \
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echo making $@ in $$dir ; \
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(cd $$dir; $(MAKE) $@) ; \
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done
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clean::
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clean mostlyclean distclean realclean::
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rm -f autoconf autoheader autoscan autoreconf autoupdate
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rm -f shindent ifnames *.tmp
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rm -f *.aux *.cp *.cps *.dvi *.fn *.fns *.ky *.kys *.log
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rm -f *.pg *.pgs *.toc *.tp *.tps *.vr *.vrs *.ma *.mas
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mostlyclean:: clean
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distclean:: clean
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distclean realclean::
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rm -f Makefile config.status config.cache config.log
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realclean:: distclean
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realclean::
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rm -f TAGS *.info* INSTALL
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TAGS:
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43
acconfig.h
43
acconfig.h
@ -27,6 +27,9 @@
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/* Define if type char is unsigned and you are not using gcc. */
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#undef __CHAR_UNSIGNED__
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/* Define if the closedir function returns void instead of int. */
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#undef CLOSEDIR_VOID
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/* Define to empty if the keyword does not work. */
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#undef const
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@ -37,7 +40,7 @@
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/* Define for DGUX with <sys/dg_sys_info.h>. */
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#undef DGUX
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/* Define if you have dirent.h. */
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/* Define if you have <dirent.h>. */
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#undef DIRENT
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/* Define to the type of elements in the array set by `getgroups'.
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@ -50,9 +53,12 @@
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/* Define to `int' if <sys/types.h> doesn't define. */
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#undef gid_t
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/* Define if you have alloca.h and it should be used (not Ultrix). */
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/* Define if you have <alloca.h> and it should be used (not on Ultrix). */
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#undef HAVE_ALLOCA_H
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/* Define if you have <dirent.h>. */
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#undef HAVE_DIRENT_H
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/* Define if you don't have vprintf but do have _doprnt. */
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#undef HAVE_DOPRNT
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@ -68,7 +74,10 @@
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/* Define if you have a working `mmap' system call. */
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#undef HAVE_MMAP
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/* Define if you have netdb.h (and thus the rexec function). */
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/* Define if you don't have <dirent.h>, but have <ndir.h>. */
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#undef HAVE_NDIR_H
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/* Define if you have <netdb.h> (and thus the rexec function). */
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#undef HAVE_NETDB_H
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/* Define if system calls automatically restart after interruption
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@ -87,9 +96,15 @@
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/* Define if your struct stat has st_rdev. */
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#undef HAVE_ST_RDEV
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/* Define if you have sys/mtio.h. */
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/* Define if you don't have <dirent.h>, but have <sys/dir.h>. */
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#undef HAVE_SYS_DIR_H
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/* Define if you have <sys/mtio.h>. */
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#undef HAVE_SYS_MTIO_H
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/* Define if you don't have <dirent.h>, but have <sys/ndir.h>. */
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#undef HAVE_SYS_NDIR_H
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/* Define if you have a <sys/wait.h> with `union wait'. */
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#undef HAVE_SYS_WAIT
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@ -103,13 +118,13 @@
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/* Define if `union wait' is the type of the first arg to wait functions. */
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#undef HAVE_UNION_WAIT
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/* Define if you have unistd.h. */
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/* Define if you have <unistd.h>. */
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#undef HAVE_UNISTD_H
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/* Define if utime(file, NULL) sets file's timestamp to the present. */
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#undef HAVE_UTIME_NULL
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/* Define if you have vfork.h. */
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/* Define if you have <vfork.h>. */
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#undef HAVE_VFORK_H
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/* Define if you have the vprintf function. */
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@ -130,10 +145,10 @@
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/* Define if long int is 64 bits. */
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#undef LONG_64_BITS
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/* Define if major, minor, and makedev are declared in mkdev.h. */
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/* Define if major, minor, and makedev are declared in <mkdev.h>. */
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#undef MAJOR_IN_MKDEV
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/* Define if major, minor, and makedev are declared in sysmacros.h. */
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/* Define if major, minor, and makedev are declared in <sysmacros.h>. */
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#undef MAJOR_IN_SYSMACROS
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/* Define if on MINIX. */
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@ -142,17 +157,17 @@
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/* Define to `int' if <sys/types.h> doesn't define. */
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#undef mode_t
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/* Define if you don't have dirent.h, but have ndir.h. */
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/* Define if you don't have <dirent.h>, but have <ndir.h>. */
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#undef NDIR
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/* Define if you have memory.h, and string.h doesn't declare the
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/* Define if you have <memory.h>, and <string.h> doesn't declare the
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mem* functions. */
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#undef NEED_MEMORY_H
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/* Define if your struct nlist has an n_un member. */
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#undef NLIST_NAME_UNION
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/* Define if you have nlist.h. */
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/* Define if you have <nlist.h>. */
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#undef NLIST_STRUCT
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/* Define if you can't use the address of an argument to a function
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@ -207,10 +222,10 @@
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/* Define on System V Release 4. */
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#undef SVR4
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/* Define if you don't have dirent.h, but have sys/dir.h. */
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/* Define if you don't have <dirent.h>, but have <sys/dir.h>. */
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#undef SYSDIR
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/* Define if you don't have dirent.h, but have sys/ndir.h. */
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/* Define if you don't have <dirent.h>, but have <sys/ndir.h>. */
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#undef SYSNDIR
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/* Define if `sys_siglist' is declared by <signal.h>. */
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@ -232,7 +247,7 @@
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instead of <sys/cpustats.h>. */
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#undef UMAX4_3
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/* Define if you do not have strings.h, index, bzero, etc.. */
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/* Define if you do not have <strings.h>, index, bzero, etc.. */
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#undef USG
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/* Define vfork as fork if vfork does not work. */
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50
acgeneral.m4
50
acgeneral.m4
@ -29,7 +29,7 @@ dnl
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ifdef([__gnu__], , [errprint(Autoconf requires GNU m4
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)m4exit(2)])dnl
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dnl
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define(AC_ACVERSION, 1.96)dnl
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define(AC_ACVERSION, 1.97)dnl
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dnl This is defined by the --version option of the autoconf script.
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ifdef([AC_PRINT_VERSION], [Autoconf version AC_ACVERSION
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m4exit(0)])dnl
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@ -78,20 +78,24 @@ configure_args="[$]@"
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changequote(, )dnl
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ac_usage="Usage: configure [options] [host]
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Options: [defaults in brackets after descriptions]
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--build=BUILD configure for building on BUILD [BUILD=HOST]
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Configuration:
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--cache-file=FILE cache test results in FILE
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--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
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--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
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--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
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--help print this message
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--host=HOST configure for HOST [guessed]
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--no-create do not create output files
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--prefix=PREFIX install host independent files in PREFIX [/usr/local]
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--quiet, --silent do not print \`checking for...' messages
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--srcdir=DIR find the sources in DIR [configure dir or ..]
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--target=TARGET configure for TARGET [TARGET=HOST]
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--verbose print results of checks
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--version print the version of autoconf that created configure
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Directories:
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--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
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--prefix=PREFIX install host independent files in PREFIX [/usr/local]
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--srcdir=DIR find the sources in DIR [configure dir or ..]
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Host type:
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--build=BUILD configure for building on BUILD [BUILD=HOST]
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--host=HOST configure for HOST [guessed]
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--target=TARGET configure for TARGET [TARGET=HOST]
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Features and packages:
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--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
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--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
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--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
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--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
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--x-includes=DIR X include files are in DIR
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@ -756,7 +760,7 @@ fi
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for ac_site_dir in $ac_site_dirs; do
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ac_site_file=$ac_site_dir/lib/config.site
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if test -r "$ac_site_file"; then
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AC_MSG_RESULT(loading site initialization script $ac_site_file)
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echo "loading site initialization script $ac_site_file"
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. $ac_site_file
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fi
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done
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@ -764,16 +768,16 @@ done
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dnl
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define(AC_CACHE_LOAD,
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[if test -r "$cache_file"; then
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AC_MSG_RESULT(loading test results from cache file $cache_file)
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echo "loading test results from cache file $cache_file"
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. $cache_file
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else
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AC_MSG_RESULT(creating new cache file $cache_file)
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echo "creating new cache file $cache_file"
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> $cache_file
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fi])dnl
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dnl
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define(AC_CACHE_SAVE,
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[if test -w $cache_file; then
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AC_MSG_RESULT(saving test results in cache file $cache_file)
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echo "saving test results in cache file $cache_file"
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cat > $cache_file <<\CEOF
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# This file is a shell script that caches the results of configure
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# tests run on this system so they can be shared between configure
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@ -1435,6 +1439,7 @@ EOF
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cat >> ${CONFIG_STATUS} <<\EOF
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ac_given_srcdir=$srcdir
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ac_given_INSTALL=$INSTALL
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CONFIG_FILES=${CONFIG_FILES-"$1"}
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for ac_file in .. ${CONFIG_FILES}; do if test "x$ac_file" != x..; then
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@ -1446,17 +1451,17 @@ changequote([, ])dnl
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# The file is in a subdirectory.
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test ! -d "$ac_dir" && mkdir "$ac_dir"
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ac_dir_suffix="/$ac_dir"
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# A "../" for each directory in $ac_dir_suffix.
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changequote(, )dnl
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ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
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changequote([, ])dnl
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else
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ac_dir_suffix=
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ac_dir_suffix= ac_dots=
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fi
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changequote(, )dnl
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# A "../" for each directory in $ac_dir_suffix.
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ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
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changequote([, ])dnl
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case "$ac_given_srcdir" in
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.) srcdir=.
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if test -z "$ac_dir_suffix"; then top_srcdir=.
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if test -z "$ac_dots"; then top_srcdir=.
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else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
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/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
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*) # Relative path.
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@ -1464,6 +1469,13 @@ changequote([, ])dnl
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top_srcdir="$ac_dots$ac_given_srcdir" ;;
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esac
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case "$ac_given_INSTALL" in
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changequote(, )dnl
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[/$]*) INSTALL="$ac_given_INSTALL" ;;
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changequote([, ])dnl
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*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
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esac
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echo creating "$ac_file"
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rm -f "$ac_file"
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comment_str="Generated automatically from `echo $ac_file|sed 's|.*/||'`.in by configure."
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@ -347,8 +347,8 @@ if test $RSH != true; then
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RTAPELIB=rtapelib.o
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else
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AC_MSG_RESULT(found no remote shell)
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AC_CHECK_HEADER(netdb.h, RTAPELIB=rtapelib.o AC_DEFINE(HAVE_NETDB_H),
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RTAPELIB= AC_DEFINE(NO_REMOTE))
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AC_CHECK_HEADER(netdb.h, [RTAPELIB=rtapelib.o AC_DEFINE(HAVE_NETDB_H)],
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[RTAPELIB= AC_DEFINE(NO_REMOTE)])
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fi
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AC_SUBST(RSH)dnl
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AC_SUBST(RTAPELIB)dnl
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@ -441,14 +441,40 @@ AC_TRY_LINK([#include <sys/types.h>
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done])dnl
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case "$ac_cv_header_dir" in
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dirent.h) AC_DEFINE(DIRENT)
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AC_DEFINE(HAVE_DIRENT_H) ;;
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sys/ndir.h) AC_DEFINE(SYSNDIR)
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AC_DEFINE(HAVE_SYS_NDIR_H) ;;
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sys/dir.h) AC_DEFINE(SYSDIR)
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AC_DEFINE(HAVE_SYS_DIR_H) ;;
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ndir.h) AC_DEFINE(NDIR)
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AC_DEFINE(HAVE_NDIR_H) ;;
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dirent.h) AC_DEFINE(HAVE_DIRENT_H) ;;
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sys/ndir.h) AC_DEFINE(HAVE_SYS_NDIR_H) ;;
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sys/dir.h) AC_DEFINE(HAVE_SYS_DIR_H) ;;
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ndir.h) AC_DEFINE(HAVE_NDIR_H) ;;
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esac
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AC_MSG_CHECKING(for closedir return value)
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AC_CACHE_VAL(ac_cv_func_closedir_void,
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[AC_TRY_RUN([#include <sys/types.h>
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#include <$ac_cv_header_dir>
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int closedir(); main() { exit(closedir(opendir(".")) != 0); }],
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ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes)])dnl
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if test $ac_cv_func_closedir_void = yes; then
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AC_DEFINE(CLOSEDIR_VOID)
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fi
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])dnl
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dnl
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dnl Obsolete.
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define(AC_DIR_HEADER,
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[AC_PROVIDE([$0])dnl
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AC_MSG_CHECKING(for directory library header)
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AC_CACHE_VAL(ac_cv_header_dir,
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[ac_cv_header_dir=no
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for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
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AC_MSG_CHECKING([for $ac_hdr])
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AC_TRY_LINK([#include <sys/types.h>
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#include <$ac_hdr>], [DIR *dirp = 0;], ac_cv_header_dir=$ac_hdr; break)
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done])dnl
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case "$ac_cv_header_dir" in
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dirent.h) AC_DEFINE(DIRENT) ;;
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sys/ndir.h) AC_DEFINE(SYSNDIR) ;;
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sys/dir.h) AC_DEFINE(SYSDIR) ;;
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ndir.h) AC_DEFINE(NDIR) ;;
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esac
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AC_MSG_CHECKING(for closedir return value)
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336
autoconf.texi
336
autoconf.texi
@ -6,8 +6,8 @@
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@c @setchapternewpage odd
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@c %**end of header
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@set EDITION 1.96
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@set VERSION 1.96
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@set EDITION 1.97
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@set VERSION 1.97
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@set UPDATED August 1994
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@iftex
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@ -146,6 +146,7 @@ General Purpose Macros
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Writing Macros
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* Macro Format:: Basic format of an Autoconf macro.
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* Macro Naming:: What to call your new macros.
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* Quoting:: Protecting macros from unwanted expansion.
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||||
* Dependencies Between Macros:: What to do when macros depend on other macros.
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* Checking for Files:: Finding whether a file exists.
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@ -163,6 +164,11 @@ Test Programs
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* Guidelines:: General rules for writing test programs.
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* Tricks:: Special ways to work around problems.
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Caching Values
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* Cache Files:: Files @code{configure} uses for caching.
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* Cache Variables:: Shell variables used in caches.
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Makefiles
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* Predefined Variables:: Heavily used @code{make} variables.
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@ -618,8 +624,9 @@ Print the version number of @code{autoreconf} and exit.
|
||||
The @code{autoupdate} program updates a @file{configure.in} file that
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calls Autoconf macros by their old names to use the current macro names.
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||||
In version 2 of Autoconf, most of the macros were renamed to use a more
|
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uniform and descriptive naming scheme. Although the old names still
|
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work (@pxref{Old Macro Names}, for a list of the old macro names and the
|
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uniform and descriptive naming scheme. @xref{Macro Naming}, for a
|
||||
description of the new scheme. Although the old names still work
|
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(@pxref{Old Macro Names}, for a list of the old macro names and the
|
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corresponding new names), you can make your @file{configure.in} files
|
||||
more readable and make it easier to use the current Autoconf
|
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documentation if you update them to use the new macro names.
|
||||
@ -737,7 +744,7 @@ The following macros check for the presence or behavior of particular
|
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programs:
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@defmac AC_PROG_GCC_TRADITIONAL
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@maindex GCC_TRADITIONAL
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@maindex PROG_GCC_TRADITIONAL
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Add @samp{-traditional} to @code{make} variable @code{CC} if using the
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GNU C compiler and @code{ioctl} does not work properly without
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@samp{-traditional}. This macro calls @code{AC_PROG_CC} and
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@ -745,14 +752,14 @@ GNU C compiler and @code{ioctl} does not work properly without
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@end defmac
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@defmac AC_PROG_LN_S
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@maindex LN_S
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@maindex PROG_LN_S
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If @samp{ln -s} works on the current filesystem (the operating system
|
||||
and filesystem support symbolic links), set shell and @code{make}
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variable @code{LN_S} to @samp{ln -s}, otherwise set it to @samp{ln}.
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@end defmac
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||||
@defmac AC_PROG_CC_C_O
|
||||
@maindex MINUS_C_MINUS_O
|
||||
@maindex PROG_CC_C_O
|
||||
@vindex NO_MINUS_C_MINUS_O
|
||||
If the C compiler does not accept the @samp{-c} and @samp{-o} options
|
||||
simultaneously, define @code{NO_MINUS_C_MINUS_O}.
|
||||
@ -855,7 +862,7 @@ to @samp{byacc}. Otherwise set @code{YACC} to @samp{yacc}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_RSH
|
||||
@maindex RSH
|
||||
@maindex PROG_RSH
|
||||
@vindex RSH
|
||||
@vindex NO_REMOTE
|
||||
@vindex HAVE_NETDB_H
|
||||
@ -867,7 +874,7 @@ Otherwise, define @code{NO_REMOTE}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_MAKE_SET
|
||||
@maindex SET_MAKE
|
||||
@maindex PROG_MAKE_SET
|
||||
If @code{make} predefines the variable @code{MAKE}, define @code{make}
|
||||
variable @code{SET_MAKE} to be empty. Otherwise, define @code{SET_MAKE}
|
||||
to contain @samp{MAKE=make}. Calls @code{AC_SUBST} for @code{SET_MAKE}.
|
||||
@ -887,7 +894,7 @@ If you use this macro, simply place a line like this in your
|
||||
@end defmac
|
||||
|
||||
@defmac AC_DECL_YYTEXT
|
||||
@maindex YYTEXT_POINTER
|
||||
@maindex DECL_YYTEXT
|
||||
@vindex YYTEXT_POINTER
|
||||
Define @code{YYTEXT_POINTER} if @code{yytext} is a @samp{char *} instead
|
||||
of a @samp{char []}. This depends on whether @code{lex} or @code{flex}
|
||||
@ -903,38 +910,63 @@ This macro replaces @code{AC_DECLARE_YYTEXT}, which didn't work.
|
||||
|
||||
The following macros check for the presence of certain C header files:
|
||||
|
||||
@defmac AC_HEADER_DIRENT
|
||||
@defmac AC_DIR_HEADER
|
||||
@maindex DIR_HEADER
|
||||
@vindex DIRENT
|
||||
@vindex HAVE_DIRENT_H
|
||||
@vindex HAVE_NDIR_H
|
||||
@vindex HAVE_SYS_DIR_H
|
||||
@vindex HAVE_SYS_NDIR_H
|
||||
@vindex SYSDIR
|
||||
@vindex SYSNDIR
|
||||
@vindex NDIR
|
||||
@vindex VOID_CLOSEDIR
|
||||
Check for the the following header files, and for the first one that is
|
||||
found, define the listed macros (the second macros listed are for
|
||||
backward compatibility, and are considered obsolete):
|
||||
Like @code{AC_HEADER_DIRENT}, but defines a different set of C
|
||||
preprocessor macros to indicate which header file is found. This macro
|
||||
and the names it defines are considered obsolete. The names it defines are:
|
||||
|
||||
@table @file
|
||||
@item dirent.h
|
||||
Define @code{HAVE_DIRENT_H} and @code{DIRENT}.
|
||||
@code{DIRENT}
|
||||
|
||||
@item sys/ndir.h
|
||||
Define @code{HAVE_SYS_NDIR_H} and @code{SYSNDIR}.
|
||||
@code{SYSNDIR}
|
||||
|
||||
@item sys/dir.h
|
||||
Define @code{HAVE_SYS_DIR_H} and @code{SYSDIR}.
|
||||
@code{SYSDIR}
|
||||
|
||||
@item ndir.h
|
||||
Define @code{HAVE_NDIR_H} and @code{NDIR}.
|
||||
@code{NDIR}
|
||||
@end table
|
||||
|
||||
Also, if the directory library header file contains a declaration of the
|
||||
@code{closedir} function with a @code{void} return type, define
|
||||
@code{VOID_CLOSEDIR}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_DIRENT
|
||||
@maindex HEADER_DIRENT
|
||||
@vindex HAVE_DIRENT_H
|
||||
@vindex HAVE_NDIR_H
|
||||
@vindex HAVE_SYS_DIR_H
|
||||
@vindex HAVE_SYS_NDIR_H
|
||||
@vindex CLOSEDIR_VOID
|
||||
Check for the the following header files, and for the first one that is
|
||||
found, define the listed C preprocessor macro:
|
||||
|
||||
@table @file
|
||||
@item dirent.h
|
||||
@code{HAVE_DIRENT_H}
|
||||
|
||||
@item sys/ndir.h
|
||||
@code{HAVE_SYS_NDIR_H}
|
||||
|
||||
@item sys/dir.h
|
||||
@code{HAVE_SYS_DIR_H}
|
||||
|
||||
@item ndir.h
|
||||
@code{HAVE_NDIR_H}
|
||||
@end table
|
||||
|
||||
Also, if the directory library header file contains a declaration of the
|
||||
@code{closedir} function with a @code{void} return type, define
|
||||
@code{CLOSEDIR_VOID}.
|
||||
|
||||
The directory library declarations in the source code should look
|
||||
something like the following, which assumes that you have also called
|
||||
@ -973,7 +1005,7 @@ the length of a directory entry name by passing a pointer to a
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_MAJOR
|
||||
@maindex MAJOR_HEADER
|
||||
@maindex HEADER_MAJOR
|
||||
@vindex MAJOR_IN_MKDEV
|
||||
@vindex MAJOR_IN_SYSMACROS
|
||||
If @file{sys/types.h} does not define @code{major}, @code{minor}, and
|
||||
@ -992,7 +1024,7 @@ example for @code{AC_HEADER_STDC}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_STDC
|
||||
@maindex STDC_HEADERS
|
||||
@maindex HEADER_STDC
|
||||
@vindex STDC_HEADERS
|
||||
Define @code{STDC_HEADERS} if the system has ANSI C header files.
|
||||
Specifically, this macro checks for @file{stdlib.h}, @file{stdarg.h},
|
||||
@ -1098,7 +1130,7 @@ code. See the example for @code{AC_HEADER_STDC}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_DECL_SYS_SIGLIST
|
||||
@maindex SYS_SIGLIST_DECLARED
|
||||
@maindex DECL_SYS_SIGLIST
|
||||
@vindex SYS_SIGLIST_DECLARED
|
||||
Define @code{SYS_SIGLIST_DECLARED} if the variable @code{sys_siglist} is
|
||||
declared in a system header file, either @file{signal.h} or
|
||||
@ -1111,35 +1143,35 @@ declared in a system header file, either @file{signal.h} or
|
||||
The following macros check for predefined C types:
|
||||
|
||||
@defmac AC_TYPE_GETGROUPS
|
||||
@maindex GETGROUPS_T
|
||||
@maindex TYPE_GETGROUPS
|
||||
@vindex GETGROUPS_T
|
||||
Define @code{GETGROUPS_T} to be whichever of @code{gid_t} or @code{int}
|
||||
is the base type of the array argument to @code{getgroups}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_MODE_T
|
||||
@maindex MODE_T
|
||||
@maindex TYPE_MODE_T
|
||||
@vindex mode_t
|
||||
If @code{mode_t} is not defined in @file{sys/types.h}, define
|
||||
@code{mode_t} to be @code{int}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_OFF_T
|
||||
@maindex OFF_T
|
||||
@maindex TYPE_OFF_T
|
||||
@vindex off_t
|
||||
If @code{off_t} is not defined in @file{sys/types.h}, define
|
||||
@code{off_t} to be @code{long}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_PID_T
|
||||
@maindex PID_T
|
||||
@maindex TYPE_PID_T
|
||||
@vindex pid_t
|
||||
If @code{pid_t} is not defined in @file{sys/types.h}, define
|
||||
@code{pid_t} to be @code{int}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_SIGNAL
|
||||
@maindex RETSIGTYPE
|
||||
@maindex TYPE_SIGNAL
|
||||
@vindex RETSIGTYPE
|
||||
If @file{signal.h} declares @code{signal} as returning a pointer to a
|
||||
function returning @code{void}, define @code{RETSIGTYPE} to be
|
||||
@ -1159,14 +1191,14 @@ hup_handler ()
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_SIZE_T
|
||||
@maindex SIZE_T
|
||||
@maindex TYPE_SIZE_T
|
||||
@vindex size_t
|
||||
If @code{size_t} is not defined in @file{sys/types.h}, define
|
||||
@code{size_t} to be @code{unsigned}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_UID_T
|
||||
@maindex UID_T
|
||||
@maindex TYPE_UID_T
|
||||
@vindex uid_t
|
||||
@vindex gid_t
|
||||
If @code{uid_t} is not defined in @file{sys/types.h}, define
|
||||
@ -1179,7 +1211,7 @@ If @code{uid_t} is not defined in @file{sys/types.h}, define
|
||||
The following macros check for particular C library functions:
|
||||
|
||||
@defmac AC_FUNC_ALLOCA
|
||||
@maindex ALLOCA
|
||||
@maindex FUNC_ALLOCA
|
||||
@vindex C_ALLOCA
|
||||
@vindex HAVE_ALLOCA_H
|
||||
Check how to get @code{alloca}. Tries to get a builtin version by
|
||||
@ -1232,7 +1264,7 @@ char *alloca ();
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_GETLOADAVG
|
||||
@maindex GETLOADAVG
|
||||
@maindex FUNC_GETLOADAVG
|
||||
@vindex SVR4
|
||||
@vindex DGUX
|
||||
@vindex UMAX
|
||||
@ -1276,14 +1308,14 @@ to the name of the group that should own the installed program.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_MMAP
|
||||
@maindex MMAP
|
||||
@maindex FUNC_MMAP
|
||||
@vindex HAVE_MMAP
|
||||
If the @code{mmap} function exists and works correctly, define
|
||||
@code{HAVE_MMAP}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_SETVBUF_REVERSED
|
||||
@maindex SETVBUF_REVERSED
|
||||
@maindex FUNC_SETVBUF_REVERSED
|
||||
@vindex SETVBUF_REVERSED
|
||||
If @code{setvbuf} takes the buffering type as its second argument and
|
||||
the buffer pointer as the third, instead of the other way around, define
|
||||
@ -1291,7 +1323,7 @@ the buffer pointer as the third, instead of the other way around, define
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_STRCOLL
|
||||
@maindex STRCOLL
|
||||
@maindex FUNC_STRCOLL
|
||||
@vindex HAVE_STRCOLL
|
||||
If the @code{strcoll} function exists and works correctly, define
|
||||
@code{HAVE_STRCOLL}. This does a bit more than
|
||||
@ -1300,14 +1332,14 @@ definitions of @code{strcoll}, which should not be used.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_UTIME_NULL
|
||||
@maindex UTIME_NULL
|
||||
@maindex FUNC_UTIME_NULL
|
||||
@vindex HAVE_UTIME_NULL
|
||||
If @samp{utime(@var{file}, NULL)} sets @var{file}'s timestamp to
|
||||
the present, define @code{HAVE_UTIME_NULL}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_VFORK
|
||||
@maindex VFORK
|
||||
@maindex FUNC_VFORK
|
||||
@vindex HAVE_VFORK_H
|
||||
@vindex vfork
|
||||
If @file{vfork.h} is found, define @code{HAVE_VFORK_H}. If a working
|
||||
@ -1318,7 +1350,7 @@ detects any of them.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_VPRINTF
|
||||
@maindex VPRINTF
|
||||
@maindex FUNC_VPRINTF
|
||||
@vindex HAVE_VPRINTF
|
||||
@vindex HAVE_DOPRNT
|
||||
If @code{vprintf} is found, define @code{HAVE_VPRINTF}. Otherwise, if
|
||||
@ -1328,7 +1360,7 @@ are also available.)
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_WAIT3
|
||||
@maindex WAIT3
|
||||
@maindex FUNC_WAIT3
|
||||
@vindex HAVE_WAIT3
|
||||
If @code{wait3} is found and fills in the contents of its third argument
|
||||
(a @samp{struct rusage *}), which HP-UX does not do, define
|
||||
@ -1341,7 +1373,7 @@ If @code{wait3} is found and fills in the contents of its third argument
|
||||
The following macros check for certain structures or structure members:
|
||||
|
||||
@defmac AC_HEADER_STAT
|
||||
@maindex STAT_MACROS_BROKEN
|
||||
@maindex HEADER_STAT
|
||||
@maindex STAT_MACROS_BROKEN
|
||||
If the macros @code{S_ISDIR}, @code{S_ISREG} et al. defined in
|
||||
@file{sys/stat.h} do not work properly (returning false positives),
|
||||
@ -1350,14 +1382,14 @@ Amdahl UTS and Motorola System V/88.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_ST_BLKSIZE
|
||||
@maindex ST_BLKSIZE
|
||||
@maindex STRUCT_ST_BLKSIZE
|
||||
@vindex HAVE_ST_BLKSIZE
|
||||
If @code{struct stat} contains an @code{st_blksize} member, define
|
||||
@code{HAVE_ST_BLKSIZE}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_ST_BLOCKS
|
||||
@maindex ST_BLOCKS
|
||||
@maindex STRUCT_ST_BLOCKS
|
||||
@vindex HAVE_ST_BLOCKS
|
||||
If @code{struct stat} contains an @code{st_blocks} member, define
|
||||
@code{HAVE_ST_BLOCKS}. Otherwise, add @samp{fileblocks.o} to the
|
||||
@ -1365,14 +1397,14 @@ If @code{struct stat} contains an @code{st_blocks} member, define
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_ST_RDEV
|
||||
@maindex ST_RDEV
|
||||
@maindex STRUCT_ST_RDEV
|
||||
@vindex HAVE_ST_RDEV
|
||||
If @code{struct stat} contains an @code{st_rdev} member, define
|
||||
@code{HAVE_ST_RDEV}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_TIME
|
||||
@maindex TIME_WITH_SYS_TIME
|
||||
@maindex HEADER_TIME
|
||||
@vindex TIME_WITH_SYS_TIME
|
||||
If a program may include both @file{time.h} and @file{sys/time.h},
|
||||
define @code{TIME_WITH_SYS_TIME}. On some older systems,
|
||||
@ -1406,7 +1438,7 @@ defines @code{struct tm}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_TIMEZONE
|
||||
@maindex TIMEZONE
|
||||
@maindex STRUCT_TIMEZONE
|
||||
@vindex HAVE_TM_ZONE
|
||||
@vindex HAVE_TZNAME
|
||||
Figure out how to get the current timezone. If @code{struct tm} has a
|
||||
@ -1422,7 +1454,7 @@ The following macros check for C compiler or machine architecture
|
||||
features:
|
||||
|
||||
@defmac AC_C_ARG_ARRAY
|
||||
@maindex ARG_ARRAY
|
||||
@maindex C_ARG_ARRAY
|
||||
@vindex NO_ARG_ARRAY
|
||||
If the address of an argument to a C function can not be used like
|
||||
the start of an array, define @code{NO_ARG_ARRAY}. This ability allows
|
||||
@ -1431,7 +1463,7 @@ were an array of values.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TRY_CROSS
|
||||
@maindex CROSS_CHECK
|
||||
@maindex TRY_CROSS
|
||||
If the C compiler being used does not produce executables that can run
|
||||
on the system where @code{configure} is being run, set the shell
|
||||
variable @code{cross_compiling} to @samp{yes}, otherwise @samp{no}.
|
||||
@ -1441,14 +1473,14 @@ to take a default action instead of trying to run a test program
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_CHAR_UNSIGNED
|
||||
@maindex CHAR_UNSIGNED
|
||||
@maindex C_CHAR_UNSIGNED
|
||||
@vindex __CHAR_UNSIGNED__
|
||||
If the C type @code{char} is unsigned, define @code{__CHAR_UNSIGNED__},
|
||||
unless the C compiler predefines it.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_CONST
|
||||
@maindex CONST
|
||||
@maindex C_CONST
|
||||
@vindex const
|
||||
If the C compiler does not fully support the keyword @code{const},
|
||||
define @code{const} to be empty. Some C compilers that do not define
|
||||
@ -1462,7 +1494,7 @@ declarations.)
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_INLINE
|
||||
@maindex INLINE
|
||||
@maindex C_INLINE
|
||||
@vindex inline
|
||||
If the C compiler is a version of GCC that supports the keyword
|
||||
@code{__inline} but not @code{inline} (such as some NeXT versions),
|
||||
@ -1487,7 +1519,7 @@ If the C type @code{long int} is 64 bits wide, define
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_LONG_DOUBLE
|
||||
@maindex HAVE_LONG_DOUBLE
|
||||
@maindex C_LONG_DOUBLE
|
||||
@vindex HAVE_LONG_DOUBLE
|
||||
If the C compiler supports the @code{long double} type, define
|
||||
@code{HAVE_LONG_DOUBLE}. Some C compilers that do not define
|
||||
@ -1496,7 +1528,7 @@ that define @code{__STDC__} do not support @code{long double}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_BIGENDIAN
|
||||
@maindex WORDS_BIGENDIAN
|
||||
@maindex C_BIGENDIAN
|
||||
@vindex WORDS_BIGENDIAN
|
||||
If words are stored with the most significant byte first (like Motorola
|
||||
and SPARC, but not Intel and VAX, CPUs), define @code{WORDS_BIGENDIAN}.
|
||||
@ -1508,7 +1540,7 @@ and SPARC, but not Intel and VAX, CPUs), define @code{WORDS_BIGENDIAN}.
|
||||
The following macros check for operating system services:
|
||||
|
||||
@defmac AC_PATH_X
|
||||
@maindex FIND_X
|
||||
@maindex PATH_X
|
||||
Try to locate the X Window System include files and libraries. Try
|
||||
first by running @code{xmkmf} on a trivial @file{Imakefile} and
|
||||
examining the @file{Makefile} that it produces. If that fails (such as
|
||||
@ -1526,7 +1558,7 @@ The command line options @samp{--x-includes=@var{dir}} and
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PATH_XTRA
|
||||
@maindex FIND_XTRA
|
||||
@maindex PATH_XTRA
|
||||
An enhanced version of @code{AC_PATH_X}. Put the C compiler flags that
|
||||
X needs into @code{make} variable @code{X_CFLAGS}, and the X linker
|
||||
flags into @code{X_LIBS}. If X is not available, put
|
||||
@ -1540,7 +1572,8 @@ been called. Because of the macro dependencies, if you call this macro,
|
||||
you should let it call @code{AC_PATH_X} rather than doing that yourself.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HAVE_POUNDBANG (@var{action-if-supported} @r{[}, @var{action-if-not-supported}@r{]})
|
||||
@defmac AC_HAVE_POUNDBANG (@var{action-if-supported} @r{[},
|
||||
@var{action-if-not-supported}@r{]})
|
||||
@maindex HAVE_POUNDBANG
|
||||
Check whether the system supports starting shell scripts with a line of
|
||||
the form @samp{#!/bin/csh} to select the shell to use. If @samp{#!}
|
||||
@ -1549,14 +1582,14 @@ works, execute shell commands @var{action-if-supported}; if not, execute
|
||||
@end defmac
|
||||
|
||||
@defmac AC_SYS_LONG_FILE_NAMES
|
||||
@maindex LONG_FILE_NAMES
|
||||
@maindex SYS_LONG_FILE_NAMES
|
||||
@vindex HAVE_LONG_FILE_NAMES
|
||||
If the system supports file names longer than 14 characters, define
|
||||
@code{HAVE_LONG_FILE_NAMES}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_SYS_REMOTE_TAPE
|
||||
@maindex REMOTE_TAPE
|
||||
@maindex SYS_REMOTE_TAPE
|
||||
@vindex HAVE_SYS_MTIO_H
|
||||
If BSD tape drive ioctls are available, define @code{HAVE_SYS_MTIO_H},
|
||||
and if sockets are available add @code{rmt} to @code{make} variable
|
||||
@ -1564,7 +1597,7 @@ and if sockets are available add @code{rmt} to @code{make} variable
|
||||
@end defmac
|
||||
|
||||
@defmac AC_SYS_RESTARTABLE_SYSCALLS
|
||||
@maindex RESTARTABLE_SYSCALLS
|
||||
@maindex SYS_RESTARTABLE_SYSCALLS
|
||||
@vindex HAVE_RESTARTABLE_SYSCALLS
|
||||
If the system automatically restarts a system call that is interrupted
|
||||
by a signal, define @code{HAVE_RESTARTABLE_SYSCALLS}.
|
||||
@ -1580,21 +1613,21 @@ be replaced someday with a more systematic approach, based either on the
|
||||
functions they make available or the environments they provide.
|
||||
|
||||
@defmac AC_OS_AIX
|
||||
@maindex AIX
|
||||
@maindex OS_AIX
|
||||
@vindex _ALL_SOURCE
|
||||
If on AIX, define @code{_ALL_SOURCE}. Allows the use of some BSD
|
||||
functions. Should be called before any macros that run the C compiler.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_DYNIX
|
||||
@maindex DYNIX_SEQ
|
||||
@maindex OS_DYNIX
|
||||
If on DYNIX/ptx (Sequent UNIX), add @samp{-lseq} to @code{make}
|
||||
variable @code{LIBS}. Allows use of some BSD system calls and
|
||||
@code{getmntent}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_IRIX
|
||||
@maindex IRIX_SUN
|
||||
@maindex OS_IRIX
|
||||
If on IRIX (Silicon Graphics UNIX), add @samp{-lsun} to @code{make}
|
||||
variable @code{LIBS}. Needed to get @code{getmntent}. At sites using
|
||||
Yellow Pages/NIS, it is also needed to get properly working
|
||||
@ -1604,7 +1637,7 @@ so on.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_ISC
|
||||
@maindex ISC_POSIX
|
||||
@maindex OS_ISC
|
||||
@vindex _POSIX_SOURCE
|
||||
If on a POSIXized ISC UNIX, define @code{_POSIX_SOURCE} and add
|
||||
@samp{-posix} (for the GNU C compiler) or @samp{-Xp} (for other C
|
||||
@ -1614,7 +1647,7 @@ any other macros that run the C compiler.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_MINIX
|
||||
@maindex MINIX
|
||||
@maindex OS_MINIX
|
||||
@vindex _MINIX
|
||||
@vindex _POSIX_SOURCE
|
||||
@vindex _POSIX_1_SOURCE
|
||||
@ -1624,20 +1657,18 @@ facilities. Should be called before any macros that run the C compiler.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_SCO
|
||||
@maindex SCO_INTL
|
||||
@maindex OS_SCO
|
||||
If on SCO UNIX, add @samp{-lintl} to @code{make} variable @code{LIBS}.
|
||||
Used to get @code{strftime}. It must be called before checking for
|
||||
@code{strftime}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_XENIX
|
||||
@maindex XENIX_DIR
|
||||
@vindex VOID_CLOSEDIR
|
||||
If on Xenix, define @code{VOID_CLOSEDIR} and add @samp{-lx} to
|
||||
@code{make} variable @code{LIBS}. Also, if @file{sys/ndir.h} is not
|
||||
being used, add @samp{-ldir} to @code{LIBS}. Needed when using the
|
||||
directory reading functions. This macro must be called after
|
||||
@code{AC_HEADER_DIRENT}.
|
||||
@maindex OS_XENIX
|
||||
If on Xenix, add @samp{-lx} to @code{make} variable @code{LIBS}. Also,
|
||||
if @file{sys/ndir.h} is not being used, add @samp{-ldir} to @code{LIBS}.
|
||||
Needed when using the directory reading functions. This macro must be
|
||||
called after @code{AC_HEADER_DIRENT}.
|
||||
@end defmac
|
||||
|
||||
@node General Purpose Macros, Manual Configuration, Specific Tests, Top
|
||||
@ -1788,7 +1819,7 @@ set the prefix to @file{/usr/local/gnu}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_INIT_PREPARE (@var{unique-file-in-source-dir})
|
||||
@maindex PREPARE
|
||||
@maindex INIT_PREPARE
|
||||
Find the source code directory and set up shell variables necessary for
|
||||
other Autoconf macros to work. @var{unique-file-in-source-dir} is some
|
||||
file that is in the package's source directory; @code{configure} checks
|
||||
@ -1850,7 +1881,7 @@ produces this in @file{configure}:
|
||||
These macros check whether particular files exist.
|
||||
|
||||
@defmac AC_CHECK_LIB (@var{library} @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
|
||||
@maindex HAVE_LIBRARY
|
||||
@maindex CHECK_LIB
|
||||
Create a test C program to see whether that program can be linked with
|
||||
the library @var{library}. @var{action-if-found} is a list of shell
|
||||
commands to run if the link succeeds (which means that the library is
|
||||
@ -1877,7 +1908,7 @@ finding the site-wide defaults file correctly, so it is obsolete.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_PROG (@var{variable}, @var{prog-to-check-for}, @var{value-if-found} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAM_CHECK
|
||||
@maindex CHECK_PROG
|
||||
Check whether program @var{prog-to-check-for} exists in @code{PATH}. If
|
||||
it is found, set @var{variable} to @var{value-if-found}, otherwise to
|
||||
@var{value-if-not-found}, if given. If @var{variable} was already set,
|
||||
@ -1885,7 +1916,7 @@ do nothing. Calls @code{AC_SUBST} for @var{variable}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PATH_PROG (@var{variable}, @var{prog-to-check-for} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAM_PATH
|
||||
@maindex PATH_PROG
|
||||
Similar to @code{AC_CHECK_PROG}, but set @var{variable} to the entire
|
||||
path of @var{prog-to-check-for} if found. Otherwise, set @var{variable}
|
||||
to @var{value-if-not-found}, if given. If @var{variable} was already
|
||||
@ -1893,7 +1924,7 @@ set, do nothing. Calls @code{AC_SUBST} for @var{variable}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_PROGS (@var{variable}, @var{progs-to-check-for} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAMS_CHECK
|
||||
@maindex CHECK_PROGS
|
||||
Check for each program in the whitespace-separated list
|
||||
@var{progs-to-check-for} exists in @code{PATH}. If it is found, set
|
||||
@var{variable} to the name of that program. Otherwise, continue
|
||||
@ -1904,7 +1935,7 @@ is not changed. Calls @code{AC_SUBST} for @var{variable}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PATH_PROGS (@var{variable}, @var{progs-to-check-for} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAMS_PATH
|
||||
@maindex PATH_PROGS
|
||||
Like @code{AC_CHECK_PROGS}, but if any of @var{progs-to-check-for}
|
||||
are found, set @var{variable} to the entire pathname of the program
|
||||
found.
|
||||
@ -1929,7 +1960,7 @@ prints @samp{checking for @var{echo-text}} to the standard output first.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_FUNC (@var{function}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex FUNC_CHECK
|
||||
@maindex CHECK_FUNC
|
||||
If @var{function} is available, run shell commands
|
||||
@var{action-if-found}, otherwise @var{action-if-not-found}. If the
|
||||
functions might be in libraries other than the default C library, first
|
||||
@ -1939,7 +1970,7 @@ define a symbol if the function is available, consider using
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_FUNCS (@var{function}@dots{})
|
||||
@maindex HAVE_FUNCS
|
||||
@maindex CHECK_FUNCS
|
||||
@vindex HAVE_@var{function}
|
||||
For each given @var{function} in the whitespace-separated argument list
|
||||
that is available, define @code{HAVE_@var{function}} (in all caps).
|
||||
@ -1949,7 +1980,7 @@ default C library, first call @code{AC_CHECK_LIB} for those libraries.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_HEADERS (@var{header-file}@dots{})
|
||||
@maindex HAVE_HEADERS
|
||||
@maindex CHECK_HEADERS
|
||||
@vindex HAVE_@var{header}
|
||||
For each given system header file @var{header-file} in the
|
||||
whitespace-separated argument list that exists, define
|
||||
@ -1958,7 +1989,7 @@ a precise definition of ``define'' as it is used here.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_HEADER (@var{header-file}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex HEADER_CHECK
|
||||
@maindex CHECK_HEADER
|
||||
If the system header file @var{header-file} exists, execute shell commands
|
||||
@var{action-if-found}, otherwise execute @var{action-if-not-found}. If
|
||||
you just want to define a symbol if the header file is available,
|
||||
@ -1966,7 +1997,7 @@ consider using @code{AC_CHECK_HEADERS} instead.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_EGREP_HEADER (@var{pattern}, @var{header-file}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex HEADER_EGREP
|
||||
@maindex EGREP_HEADER
|
||||
If the output of running the preprocessor on the system header file
|
||||
@var{header-file} contains the @code{egrep} regular expression
|
||||
@var{pattern}, execute shell commands @var{action-if-found}, otherwise
|
||||
@ -1984,7 +2015,7 @@ your programs.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_EGREP_CPP (@var{pattern}, @var{program}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex PROGRAM_EGREP
|
||||
@maindex EGREP_CPP
|
||||
@var{program} is the text of a C or C++ program, on which shell variable and
|
||||
backquote substitutions are performed. If the output of running the
|
||||
preprocessor on @var{program} contains the @code{egrep} regular
|
||||
@ -2008,7 +2039,7 @@ might be in libraries other than the default C library, first call
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_SIZEOF (@var{type})
|
||||
@maindex SIZEOF_TYPE
|
||||
@maindex CHECK_SIZEOF
|
||||
Define @code{SIZEOF_@var{uctype}} to be the size in bytes of the C (or
|
||||
C++) builtin type @var{type}, e.g. @samp{int} or @samp{char *}. If
|
||||
@samp{type} is unknown to the compiler, gets a size of 0. @var{uctype}
|
||||
@ -2022,7 +2053,7 @@ defines @code{SIZEOF_INT_P} to be 8 on DEC Alpha AXP systems.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TRY_CPP (@var{includes}, @var{action-if-true} @r{[}, @var{action-if-false}@r{]})
|
||||
@maindex TEST_CPP
|
||||
@maindex TRY_CPP
|
||||
@var{includes} is C or C++ @code{#include} statements and declarations, on
|
||||
which shell variable and backquote substitutions are performed.
|
||||
(Actually, it can be any C program, but other statements are probably
|
||||
@ -2285,7 +2316,7 @@ changes need only be made to the macro definitions, and all of the
|
||||
callers change automatically.
|
||||
|
||||
@defmac AC_MSG_CHECKING (@var{feature-description})
|
||||
@maindex CHECKING
|
||||
@maindex MSG_CHECKING
|
||||
Notify the user that @code{configure} is checking for a particular
|
||||
feature. This macro prints a message that starts with @samp{checking }.
|
||||
It prints nothing if @code{configure} is run with the @samp{--silent} or
|
||||
@ -2295,7 +2326,7 @@ or @samp{for c89}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_MSG_ERROR (@var{error-description})
|
||||
@maindex ERROR
|
||||
@maindex MSG_ERROR
|
||||
Notify the user of an error that prevents @code{configure} from
|
||||
completing. This macro prints an error message on the standard error
|
||||
stream and exits @code{configure} with a nonzero status.
|
||||
@ -2304,7 +2335,7 @@ $HOME for \$HOME}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_MSG_RESULT (@var{result-description})
|
||||
@maindex VERBOSE
|
||||
@maindex MSG_RESULT
|
||||
Notify the user of the results of a check. This information is
|
||||
only printed if @code{configure} is run with the @samp{--verbose}
|
||||
option. @var{result-description} should be something like @samp{setting
|
||||
@ -2312,7 +2343,7 @@ ADA to $ADA}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_MSG_WARN (@var{problem-description})
|
||||
@maindex WARN
|
||||
@maindex MSG_WARN
|
||||
Notify the @code{configure} user of a possible problem. This macro
|
||||
prints the message on the standard error stream; @code{configure}
|
||||
continues running afterward, so macros that call @code{AC_MSG_WARN} should
|
||||
@ -2583,6 +2614,7 @@ number, which you can get by running @samp{autoconf --version}.
|
||||
|
||||
@menu
|
||||
* Macro Format:: Basic format of an Autoconf macro.
|
||||
* Macro Naming:: What to call your new macros.
|
||||
* Quoting:: Protecting macros from unwanted expansion.
|
||||
* Dependencies Between Macros:: What to do when macros depend on other macros.
|
||||
* Checking for Files:: Finding whether a file exists.
|
||||
@ -2591,7 +2623,7 @@ number, which you can get by running @samp{autoconf --version}.
|
||||
* Multiple Cases:: Tests for several possible values.
|
||||
@end menu
|
||||
|
||||
@node Macro Format, Quoting, , Writing Macros
|
||||
@node Macro Format, Macro Naming, , Writing Macros
|
||||
@section Macro Format
|
||||
|
||||
Autoconf macros are defined as arguments to the @code{m4} builtin
|
||||
@ -2605,15 +2637,6 @@ define(@var{macro-name}, [@var{macro-body}])dnl
|
||||
The square brackets here do not indicate optional text: they should
|
||||
literally be present in the macro definition.
|
||||
|
||||
All of the Autoconf macros have names starting with @samp{AC_} to
|
||||
prevent them from accidentally conflicting with other text. All shell
|
||||
variables that they use for internal purposes have names starting with
|
||||
@samp{ac_}. To ensure that your macros don't conflict with present or
|
||||
future Autoconf macros, you should prefix your own macro names and any
|
||||
shell variables they use with some other sequence. Possibilities
|
||||
include your initials, or an abbreviation for the name of your
|
||||
organization or software package.
|
||||
|
||||
The @code{m4} builtin @code{dnl} prevents a newline from being inserted
|
||||
in the output where the macro is defined; without it, the generated
|
||||
@code{configure} script would begin with dozens of blank lines.
|
||||
@ -2627,7 +2650,59 @@ arguments passed to the macro as @samp{$1}, @samp{$2}, etc.
|
||||
@xref{Definitions, , How to define new macros, m4.info, GNU m4}, for
|
||||
more complete information on writing @code{m4} macros.
|
||||
|
||||
@node Quoting, Dependencies Between Macros, Macro Format, Writing Macros
|
||||
@node Macro Naming, Quoting, Macro Format, Writing Macros
|
||||
@section Macro Naming
|
||||
|
||||
All of the Autoconf macros have all-uppercase names starting with
|
||||
@samp{AC_} to prevent them from accidentally conflicting with other
|
||||
text. All shell variables that they use for internal purposes have
|
||||
mostly-lowercase names starting with @samp{ac_}. To ensure that your
|
||||
macros don't conflict with present or future Autoconf macros, you should
|
||||
prefix your own macro names and any shell variables they use with some
|
||||
other sequence. Possibilities include your initials, or an abbreviation
|
||||
for the name of your organization or software package.
|
||||
|
||||
Most of the Autoconf macros' names follow a structured naming convention
|
||||
that indicates the kind of feature check by the name. The macro names
|
||||
consist of several words, separated by underscores, going from most
|
||||
general to most specific. The names of their cache variables use the
|
||||
same convention (@pxref{Cache Variables}, for more information on them).
|
||||
|
||||
The first word of the name after @samp{AC_} usually tells the category
|
||||
of feature being tested. Here are the categories for specific test
|
||||
macros, the kind of macro that you are more likely to write. You are
|
||||
not required to use these names, but consistency helps readability.
|
||||
|
||||
@table @code
|
||||
@item C
|
||||
C language builtin features.
|
||||
@item DECL
|
||||
Declarations of C variables in header files.
|
||||
@item FUNC
|
||||
Functions in libraries.
|
||||
@item HEADER
|
||||
Header files.
|
||||
@item OS
|
||||
Quirks of particular operating systems.
|
||||
@item PATH
|
||||
The full path names to files.
|
||||
@item PROG
|
||||
The names of programs.
|
||||
@item STRUCT
|
||||
Definitions of C structures in header files.
|
||||
@item SYS
|
||||
Operating system features.
|
||||
@item TYPE
|
||||
C builtin or declared types.
|
||||
@end table
|
||||
|
||||
After the category comes the name of the particular feature being
|
||||
tested. Any further words in the macro name indicate particular aspects
|
||||
of the feature. For example, @code{AC_FUNC_UTIME_NULL} checks the
|
||||
behavior of the @code{utime} function when called with a @code{NULL}
|
||||
pointer.
|
||||
|
||||
@node Quoting, Dependencies Between Macros, Macro Naming, Writing Macros
|
||||
@section Quoting
|
||||
|
||||
Macros that are called by other macros are evaluated by @code{m4}
|
||||
@ -2646,7 +2721,7 @@ the @code{m4} builtin command @code{changequote} to temporarily disable
|
||||
quoting before the code that uses brackets, like this:
|
||||
|
||||
@example
|
||||
changequote(,)dnl
|
||||
changequote(, )dnl
|
||||
@end example
|
||||
|
||||
@noindent
|
||||
@ -2654,7 +2729,7 @@ Then they turn quoting back on again with another call to
|
||||
@code{changequote}:
|
||||
|
||||
@example
|
||||
changequote([,])dnl
|
||||
changequote([, ])dnl
|
||||
@end example
|
||||
|
||||
When you create a @code{configure} script using newly written macros,
|
||||
@ -2928,6 +3003,31 @@ it reads from it the results from previous runs and avoids rerunning
|
||||
those checks. As a result, @code{configure} can run much faster than if
|
||||
it had to perform all of the checks every time.
|
||||
|
||||
@defmac AC_CACHE_VAL (@var{cache-id}, @var{commands-to-set-it})
|
||||
@maindex CACHE_VAL
|
||||
Ensure that the results of the check identified by @var{cache-id} are
|
||||
available. If the results of the check were in the cache file that was
|
||||
read, print a verbose message saying so; otherwise, run the shell
|
||||
commands @var{commands-to-set-it}. Those commands should have no side
|
||||
effects except for setting the variable @var{cache-id}. In particular,
|
||||
they should not call @code{AC_DEFINE}; the code that follows the call to
|
||||
@code{AC_CACHE_VAL} should do that, based on the cached value. Also,
|
||||
they should not print any messages, for example with @code{AC_MSG_CHECKING};
|
||||
do that before calling @code{AC_CACHE_VAL}, so the messages are printed
|
||||
regardless of whether the results of the check are retrieved from the
|
||||
cache or determined by running the shell commands. If the shell
|
||||
commands are run to determine the value, the value will be saved in the
|
||||
cache file just before @code{configure} creates its output files.
|
||||
@end defmac
|
||||
|
||||
@menu
|
||||
* Cache Files:: Files @code{configure} uses for caching.
|
||||
* Cache Variables:: Shell variables used in caches.
|
||||
@end menu
|
||||
|
||||
@node Cache Files, Cache Variables, , Caching Values
|
||||
@section Cache Files
|
||||
|
||||
The cache file is a shell script that caches the results of configure
|
||||
tests run on one system so they can be shared between configure scripts
|
||||
and configure runs. It is not useful on other systems. If its contents
|
||||
@ -2956,24 +3056,10 @@ the existing cache file. The site initialization script can specify a
|
||||
site-wide cache file to use instead of the default, to make it work
|
||||
transparently (@pxref{Site Default Values}).
|
||||
|
||||
@defmac AC_CACHE_VAL (@var{cache-id}, @var{commands-to-set-it})
|
||||
@maindex CACHE_VAL
|
||||
Ensure that the results of the check identified by @var{cache-id} are
|
||||
available. If the results of the check were in the cache file that was
|
||||
read, print a verbose message saying so; otherwise, run the shell
|
||||
commands @var{commands-to-set-it}. Those commands should have no side
|
||||
effects except for setting the variable @var{cache-id}. In particular,
|
||||
they should not call @code{AC_DEFINE}; the code that follows the call to
|
||||
@code{AC_CACHE_VAL} should do that, based on the cached value. Also,
|
||||
they should not print any messages, for example with @code{AC_MSG_CHECKING};
|
||||
do that before calling @code{AC_CACHE_VAL}, so the messages are printed
|
||||
regardless of whether the results of the check are retrieved from the
|
||||
cache or determined by running the shell commands. If the shell
|
||||
commands are run to determine the value, the value will be saved in the
|
||||
cache file just before @code{configure} creates its output files.
|
||||
@node Cache Variables, , Cache Files, Caching Values
|
||||
@section Cache Variables
|
||||
|
||||
@noindent
|
||||
The names of cache variables should have this format:
|
||||
The names of cache variables should have the following format:
|
||||
|
||||
@example
|
||||
@var{package-prefix}_cv_@var{value-type}_@var{specific-value}@r{[}_@var{additional-options}@r{]}
|
||||
@ -3051,7 +3137,6 @@ Like their names, the values the may be assigned to cache variables have
|
||||
a few restrictions. The values may not contain single quotes or curly braces.
|
||||
Usually, their values will be boolean (@samp{yes} or @samp{no}) or the
|
||||
names of files or functions; so this is not an important restriction.
|
||||
@end defmac
|
||||
|
||||
@node Makefiles, Invoking configure, Caching Values, Top
|
||||
@chapter Makefiles
|
||||
@ -3367,6 +3452,7 @@ uniform and descriptive naming scheme. Here are the old names of the
|
||||
macros that were renamed, followed by the current names of those macros.
|
||||
Although the old names are still accepted by the @code{autoconf} program
|
||||
for backward compatibility, the old names are considered obsolete.
|
||||
@xref{Macro Naming}, for a description of the new naming scheme.
|
||||
|
||||
@table @code
|
||||
@item AC_NOTICE
|
||||
@ -3425,8 +3511,6 @@ for backward compatibility, the old names are considered obsolete.
|
||||
@vindex PROGRAM_EGREP
|
||||
@vindex EGREP_CPP
|
||||
@code{AC_EGREP_CPP}
|
||||
@vindex TRY_LINK
|
||||
@code{AC_TRY_LINK}
|
||||
@item AC_TEST_PROGRAM
|
||||
@vindex TEST_PROGRAM
|
||||
@vindex TRY_RUN
|
||||
@ -3487,10 +3571,6 @@ for backward compatibility, the old names are considered obsolete.
|
||||
@vindex MAJOR_HEADER
|
||||
@vindex HEADER_MAJOR
|
||||
@code{AC_HEADER_MAJOR}
|
||||
@item AC_DIR_HEADER
|
||||
@vindex DIR_HEADER
|
||||
@vindex HEADER_DIRENT
|
||||
@code{AC_HEADER_DIRENT}
|
||||
@item AC_STAT_MACROS_BROKEN
|
||||
@vindex STAT_MACROS_BROKEN
|
||||
@vindex HEADER_STAT
|
||||
|
||||
@ -52,7 +52,7 @@ SUBDIRS = testsuite
|
||||
# Files that can be generated, but should be up to date for a distribution.
|
||||
DISTDEP = info Makefile
|
||||
# Files to distribute.
|
||||
DISTFILES = COPYING ChangeLog INSTALL Makefile.in NEWS README \
|
||||
DISTFILES = COPYING ChangeLog INSTALL Makefile.in NEWS README TODO \
|
||||
acconfig.h acfunctions acgeneral.m4 acheaders acidentifiers \
|
||||
acmakevars acoldnames.m4 acprograms acspecific.m4 autoconf.info* \
|
||||
autoconf.sh autoconf.texi install.texi \
|
||||
@ -180,25 +180,22 @@ Makefile: Makefile.in config.status
|
||||
config.status: configure
|
||||
./config.status --recheck
|
||||
|
||||
# FIXME this doesn't work.
|
||||
clean mostlyclean distclean realclean::
|
||||
for dir in $(SUBDIRS); do \
|
||||
echo making $@ in $$dir ; \
|
||||
(cd $$dir; $(MAKE) $@) ; \
|
||||
done
|
||||
|
||||
clean::
|
||||
clean mostlyclean distclean realclean::
|
||||
rm -f autoconf autoheader autoscan autoreconf autoupdate
|
||||
rm -f shindent ifnames *.tmp
|
||||
rm -f *.aux *.cp *.cps *.dvi *.fn *.fns *.ky *.kys *.log
|
||||
rm -f *.pg *.pgs *.toc *.tp *.tps *.vr *.vrs *.ma *.mas
|
||||
|
||||
mostlyclean:: clean
|
||||
|
||||
distclean:: clean
|
||||
distclean realclean::
|
||||
rm -f Makefile config.status config.cache config.log
|
||||
|
||||
realclean:: distclean
|
||||
realclean::
|
||||
rm -f TAGS *.info* INSTALL
|
||||
|
||||
TAGS:
|
||||
|
||||
@ -6,8 +6,8 @@
|
||||
@c @setchapternewpage odd
|
||||
@c %**end of header
|
||||
|
||||
@set EDITION 1.96
|
||||
@set VERSION 1.96
|
||||
@set EDITION 1.97
|
||||
@set VERSION 1.97
|
||||
@set UPDATED August 1994
|
||||
|
||||
@iftex
|
||||
@ -146,6 +146,7 @@ General Purpose Macros
|
||||
Writing Macros
|
||||
|
||||
* Macro Format:: Basic format of an Autoconf macro.
|
||||
* Macro Naming:: What to call your new macros.
|
||||
* Quoting:: Protecting macros from unwanted expansion.
|
||||
* Dependencies Between Macros:: What to do when macros depend on other macros.
|
||||
* Checking for Files:: Finding whether a file exists.
|
||||
@ -163,6 +164,11 @@ Test Programs
|
||||
* Guidelines:: General rules for writing test programs.
|
||||
* Tricks:: Special ways to work around problems.
|
||||
|
||||
Caching Values
|
||||
|
||||
* Cache Files:: Files @code{configure} uses for caching.
|
||||
* Cache Variables:: Shell variables used in caches.
|
||||
|
||||
Makefiles
|
||||
|
||||
* Predefined Variables:: Heavily used @code{make} variables.
|
||||
@ -618,8 +624,9 @@ Print the version number of @code{autoreconf} and exit.
|
||||
The @code{autoupdate} program updates a @file{configure.in} file that
|
||||
calls Autoconf macros by their old names to use the current macro names.
|
||||
In version 2 of Autoconf, most of the macros were renamed to use a more
|
||||
uniform and descriptive naming scheme. Although the old names still
|
||||
work (@pxref{Old Macro Names}, for a list of the old macro names and the
|
||||
uniform and descriptive naming scheme. @xref{Macro Naming}, for a
|
||||
description of the new scheme. Although the old names still work
|
||||
(@pxref{Old Macro Names}, for a list of the old macro names and the
|
||||
corresponding new names), you can make your @file{configure.in} files
|
||||
more readable and make it easier to use the current Autoconf
|
||||
documentation if you update them to use the new macro names.
|
||||
@ -737,7 +744,7 @@ The following macros check for the presence or behavior of particular
|
||||
programs:
|
||||
|
||||
@defmac AC_PROG_GCC_TRADITIONAL
|
||||
@maindex GCC_TRADITIONAL
|
||||
@maindex PROG_GCC_TRADITIONAL
|
||||
Add @samp{-traditional} to @code{make} variable @code{CC} if using the
|
||||
GNU C compiler and @code{ioctl} does not work properly without
|
||||
@samp{-traditional}. This macro calls @code{AC_PROG_CC} and
|
||||
@ -745,14 +752,14 @@ GNU C compiler and @code{ioctl} does not work properly without
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_LN_S
|
||||
@maindex LN_S
|
||||
@maindex PROG_LN_S
|
||||
If @samp{ln -s} works on the current filesystem (the operating system
|
||||
and filesystem support symbolic links), set shell and @code{make}
|
||||
variable @code{LN_S} to @samp{ln -s}, otherwise set it to @samp{ln}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_CC_C_O
|
||||
@maindex MINUS_C_MINUS_O
|
||||
@maindex PROG_CC_C_O
|
||||
@vindex NO_MINUS_C_MINUS_O
|
||||
If the C compiler does not accept the @samp{-c} and @samp{-o} options
|
||||
simultaneously, define @code{NO_MINUS_C_MINUS_O}.
|
||||
@ -855,7 +862,7 @@ to @samp{byacc}. Otherwise set @code{YACC} to @samp{yacc}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_RSH
|
||||
@maindex RSH
|
||||
@maindex PROG_RSH
|
||||
@vindex RSH
|
||||
@vindex NO_REMOTE
|
||||
@vindex HAVE_NETDB_H
|
||||
@ -867,7 +874,7 @@ Otherwise, define @code{NO_REMOTE}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_MAKE_SET
|
||||
@maindex SET_MAKE
|
||||
@maindex PROG_MAKE_SET
|
||||
If @code{make} predefines the variable @code{MAKE}, define @code{make}
|
||||
variable @code{SET_MAKE} to be empty. Otherwise, define @code{SET_MAKE}
|
||||
to contain @samp{MAKE=make}. Calls @code{AC_SUBST} for @code{SET_MAKE}.
|
||||
@ -887,7 +894,7 @@ If you use this macro, simply place a line like this in your
|
||||
@end defmac
|
||||
|
||||
@defmac AC_DECL_YYTEXT
|
||||
@maindex YYTEXT_POINTER
|
||||
@maindex DECL_YYTEXT
|
||||
@vindex YYTEXT_POINTER
|
||||
Define @code{YYTEXT_POINTER} if @code{yytext} is a @samp{char *} instead
|
||||
of a @samp{char []}. This depends on whether @code{lex} or @code{flex}
|
||||
@ -903,38 +910,63 @@ This macro replaces @code{AC_DECLARE_YYTEXT}, which didn't work.
|
||||
|
||||
The following macros check for the presence of certain C header files:
|
||||
|
||||
@defmac AC_HEADER_DIRENT
|
||||
@defmac AC_DIR_HEADER
|
||||
@maindex DIR_HEADER
|
||||
@vindex DIRENT
|
||||
@vindex HAVE_DIRENT_H
|
||||
@vindex HAVE_NDIR_H
|
||||
@vindex HAVE_SYS_DIR_H
|
||||
@vindex HAVE_SYS_NDIR_H
|
||||
@vindex SYSDIR
|
||||
@vindex SYSNDIR
|
||||
@vindex NDIR
|
||||
@vindex VOID_CLOSEDIR
|
||||
Check for the the following header files, and for the first one that is
|
||||
found, define the listed macros (the second macros listed are for
|
||||
backward compatibility, and are considered obsolete):
|
||||
Like @code{AC_HEADER_DIRENT}, but defines a different set of C
|
||||
preprocessor macros to indicate which header file is found. This macro
|
||||
and the names it defines are considered obsolete. The names it defines are:
|
||||
|
||||
@table @file
|
||||
@item dirent.h
|
||||
Define @code{HAVE_DIRENT_H} and @code{DIRENT}.
|
||||
@code{DIRENT}
|
||||
|
||||
@item sys/ndir.h
|
||||
Define @code{HAVE_SYS_NDIR_H} and @code{SYSNDIR}.
|
||||
@code{SYSNDIR}
|
||||
|
||||
@item sys/dir.h
|
||||
Define @code{HAVE_SYS_DIR_H} and @code{SYSDIR}.
|
||||
@code{SYSDIR}
|
||||
|
||||
@item ndir.h
|
||||
Define @code{HAVE_NDIR_H} and @code{NDIR}.
|
||||
@code{NDIR}
|
||||
@end table
|
||||
|
||||
Also, if the directory library header file contains a declaration of the
|
||||
@code{closedir} function with a @code{void} return type, define
|
||||
@code{VOID_CLOSEDIR}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_DIRENT
|
||||
@maindex HEADER_DIRENT
|
||||
@vindex HAVE_DIRENT_H
|
||||
@vindex HAVE_NDIR_H
|
||||
@vindex HAVE_SYS_DIR_H
|
||||
@vindex HAVE_SYS_NDIR_H
|
||||
@vindex CLOSEDIR_VOID
|
||||
Check for the the following header files, and for the first one that is
|
||||
found, define the listed C preprocessor macro:
|
||||
|
||||
@table @file
|
||||
@item dirent.h
|
||||
@code{HAVE_DIRENT_H}
|
||||
|
||||
@item sys/ndir.h
|
||||
@code{HAVE_SYS_NDIR_H}
|
||||
|
||||
@item sys/dir.h
|
||||
@code{HAVE_SYS_DIR_H}
|
||||
|
||||
@item ndir.h
|
||||
@code{HAVE_NDIR_H}
|
||||
@end table
|
||||
|
||||
Also, if the directory library header file contains a declaration of the
|
||||
@code{closedir} function with a @code{void} return type, define
|
||||
@code{CLOSEDIR_VOID}.
|
||||
|
||||
The directory library declarations in the source code should look
|
||||
something like the following, which assumes that you have also called
|
||||
@ -973,7 +1005,7 @@ the length of a directory entry name by passing a pointer to a
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_MAJOR
|
||||
@maindex MAJOR_HEADER
|
||||
@maindex HEADER_MAJOR
|
||||
@vindex MAJOR_IN_MKDEV
|
||||
@vindex MAJOR_IN_SYSMACROS
|
||||
If @file{sys/types.h} does not define @code{major}, @code{minor}, and
|
||||
@ -992,7 +1024,7 @@ example for @code{AC_HEADER_STDC}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_STDC
|
||||
@maindex STDC_HEADERS
|
||||
@maindex HEADER_STDC
|
||||
@vindex STDC_HEADERS
|
||||
Define @code{STDC_HEADERS} if the system has ANSI C header files.
|
||||
Specifically, this macro checks for @file{stdlib.h}, @file{stdarg.h},
|
||||
@ -1098,7 +1130,7 @@ code. See the example for @code{AC_HEADER_STDC}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_DECL_SYS_SIGLIST
|
||||
@maindex SYS_SIGLIST_DECLARED
|
||||
@maindex DECL_SYS_SIGLIST
|
||||
@vindex SYS_SIGLIST_DECLARED
|
||||
Define @code{SYS_SIGLIST_DECLARED} if the variable @code{sys_siglist} is
|
||||
declared in a system header file, either @file{signal.h} or
|
||||
@ -1111,35 +1143,35 @@ declared in a system header file, either @file{signal.h} or
|
||||
The following macros check for predefined C types:
|
||||
|
||||
@defmac AC_TYPE_GETGROUPS
|
||||
@maindex GETGROUPS_T
|
||||
@maindex TYPE_GETGROUPS
|
||||
@vindex GETGROUPS_T
|
||||
Define @code{GETGROUPS_T} to be whichever of @code{gid_t} or @code{int}
|
||||
is the base type of the array argument to @code{getgroups}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_MODE_T
|
||||
@maindex MODE_T
|
||||
@maindex TYPE_MODE_T
|
||||
@vindex mode_t
|
||||
If @code{mode_t} is not defined in @file{sys/types.h}, define
|
||||
@code{mode_t} to be @code{int}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_OFF_T
|
||||
@maindex OFF_T
|
||||
@maindex TYPE_OFF_T
|
||||
@vindex off_t
|
||||
If @code{off_t} is not defined in @file{sys/types.h}, define
|
||||
@code{off_t} to be @code{long}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_PID_T
|
||||
@maindex PID_T
|
||||
@maindex TYPE_PID_T
|
||||
@vindex pid_t
|
||||
If @code{pid_t} is not defined in @file{sys/types.h}, define
|
||||
@code{pid_t} to be @code{int}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_SIGNAL
|
||||
@maindex RETSIGTYPE
|
||||
@maindex TYPE_SIGNAL
|
||||
@vindex RETSIGTYPE
|
||||
If @file{signal.h} declares @code{signal} as returning a pointer to a
|
||||
function returning @code{void}, define @code{RETSIGTYPE} to be
|
||||
@ -1159,14 +1191,14 @@ hup_handler ()
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_SIZE_T
|
||||
@maindex SIZE_T
|
||||
@maindex TYPE_SIZE_T
|
||||
@vindex size_t
|
||||
If @code{size_t} is not defined in @file{sys/types.h}, define
|
||||
@code{size_t} to be @code{unsigned}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TYPE_UID_T
|
||||
@maindex UID_T
|
||||
@maindex TYPE_UID_T
|
||||
@vindex uid_t
|
||||
@vindex gid_t
|
||||
If @code{uid_t} is not defined in @file{sys/types.h}, define
|
||||
@ -1179,7 +1211,7 @@ If @code{uid_t} is not defined in @file{sys/types.h}, define
|
||||
The following macros check for particular C library functions:
|
||||
|
||||
@defmac AC_FUNC_ALLOCA
|
||||
@maindex ALLOCA
|
||||
@maindex FUNC_ALLOCA
|
||||
@vindex C_ALLOCA
|
||||
@vindex HAVE_ALLOCA_H
|
||||
Check how to get @code{alloca}. Tries to get a builtin version by
|
||||
@ -1232,7 +1264,7 @@ char *alloca ();
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_GETLOADAVG
|
||||
@maindex GETLOADAVG
|
||||
@maindex FUNC_GETLOADAVG
|
||||
@vindex SVR4
|
||||
@vindex DGUX
|
||||
@vindex UMAX
|
||||
@ -1276,14 +1308,14 @@ to the name of the group that should own the installed program.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_MMAP
|
||||
@maindex MMAP
|
||||
@maindex FUNC_MMAP
|
||||
@vindex HAVE_MMAP
|
||||
If the @code{mmap} function exists and works correctly, define
|
||||
@code{HAVE_MMAP}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_SETVBUF_REVERSED
|
||||
@maindex SETVBUF_REVERSED
|
||||
@maindex FUNC_SETVBUF_REVERSED
|
||||
@vindex SETVBUF_REVERSED
|
||||
If @code{setvbuf} takes the buffering type as its second argument and
|
||||
the buffer pointer as the third, instead of the other way around, define
|
||||
@ -1291,7 +1323,7 @@ the buffer pointer as the third, instead of the other way around, define
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_STRCOLL
|
||||
@maindex STRCOLL
|
||||
@maindex FUNC_STRCOLL
|
||||
@vindex HAVE_STRCOLL
|
||||
If the @code{strcoll} function exists and works correctly, define
|
||||
@code{HAVE_STRCOLL}. This does a bit more than
|
||||
@ -1300,14 +1332,14 @@ definitions of @code{strcoll}, which should not be used.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_UTIME_NULL
|
||||
@maindex UTIME_NULL
|
||||
@maindex FUNC_UTIME_NULL
|
||||
@vindex HAVE_UTIME_NULL
|
||||
If @samp{utime(@var{file}, NULL)} sets @var{file}'s timestamp to
|
||||
the present, define @code{HAVE_UTIME_NULL}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_VFORK
|
||||
@maindex VFORK
|
||||
@maindex FUNC_VFORK
|
||||
@vindex HAVE_VFORK_H
|
||||
@vindex vfork
|
||||
If @file{vfork.h} is found, define @code{HAVE_VFORK_H}. If a working
|
||||
@ -1318,7 +1350,7 @@ detects any of them.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_VPRINTF
|
||||
@maindex VPRINTF
|
||||
@maindex FUNC_VPRINTF
|
||||
@vindex HAVE_VPRINTF
|
||||
@vindex HAVE_DOPRNT
|
||||
If @code{vprintf} is found, define @code{HAVE_VPRINTF}. Otherwise, if
|
||||
@ -1328,7 +1360,7 @@ are also available.)
|
||||
@end defmac
|
||||
|
||||
@defmac AC_FUNC_WAIT3
|
||||
@maindex WAIT3
|
||||
@maindex FUNC_WAIT3
|
||||
@vindex HAVE_WAIT3
|
||||
If @code{wait3} is found and fills in the contents of its third argument
|
||||
(a @samp{struct rusage *}), which HP-UX does not do, define
|
||||
@ -1341,7 +1373,7 @@ If @code{wait3} is found and fills in the contents of its third argument
|
||||
The following macros check for certain structures or structure members:
|
||||
|
||||
@defmac AC_HEADER_STAT
|
||||
@maindex STAT_MACROS_BROKEN
|
||||
@maindex HEADER_STAT
|
||||
@maindex STAT_MACROS_BROKEN
|
||||
If the macros @code{S_ISDIR}, @code{S_ISREG} et al. defined in
|
||||
@file{sys/stat.h} do not work properly (returning false positives),
|
||||
@ -1350,14 +1382,14 @@ Amdahl UTS and Motorola System V/88.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_ST_BLKSIZE
|
||||
@maindex ST_BLKSIZE
|
||||
@maindex STRUCT_ST_BLKSIZE
|
||||
@vindex HAVE_ST_BLKSIZE
|
||||
If @code{struct stat} contains an @code{st_blksize} member, define
|
||||
@code{HAVE_ST_BLKSIZE}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_ST_BLOCKS
|
||||
@maindex ST_BLOCKS
|
||||
@maindex STRUCT_ST_BLOCKS
|
||||
@vindex HAVE_ST_BLOCKS
|
||||
If @code{struct stat} contains an @code{st_blocks} member, define
|
||||
@code{HAVE_ST_BLOCKS}. Otherwise, add @samp{fileblocks.o} to the
|
||||
@ -1365,14 +1397,14 @@ If @code{struct stat} contains an @code{st_blocks} member, define
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_ST_RDEV
|
||||
@maindex ST_RDEV
|
||||
@maindex STRUCT_ST_RDEV
|
||||
@vindex HAVE_ST_RDEV
|
||||
If @code{struct stat} contains an @code{st_rdev} member, define
|
||||
@code{HAVE_ST_RDEV}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HEADER_TIME
|
||||
@maindex TIME_WITH_SYS_TIME
|
||||
@maindex HEADER_TIME
|
||||
@vindex TIME_WITH_SYS_TIME
|
||||
If a program may include both @file{time.h} and @file{sys/time.h},
|
||||
define @code{TIME_WITH_SYS_TIME}. On some older systems,
|
||||
@ -1406,7 +1438,7 @@ defines @code{struct tm}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_STRUCT_TIMEZONE
|
||||
@maindex TIMEZONE
|
||||
@maindex STRUCT_TIMEZONE
|
||||
@vindex HAVE_TM_ZONE
|
||||
@vindex HAVE_TZNAME
|
||||
Figure out how to get the current timezone. If @code{struct tm} has a
|
||||
@ -1422,7 +1454,7 @@ The following macros check for C compiler or machine architecture
|
||||
features:
|
||||
|
||||
@defmac AC_C_ARG_ARRAY
|
||||
@maindex ARG_ARRAY
|
||||
@maindex C_ARG_ARRAY
|
||||
@vindex NO_ARG_ARRAY
|
||||
If the address of an argument to a C function can not be used like
|
||||
the start of an array, define @code{NO_ARG_ARRAY}. This ability allows
|
||||
@ -1431,7 +1463,7 @@ were an array of values.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TRY_CROSS
|
||||
@maindex CROSS_CHECK
|
||||
@maindex TRY_CROSS
|
||||
If the C compiler being used does not produce executables that can run
|
||||
on the system where @code{configure} is being run, set the shell
|
||||
variable @code{cross_compiling} to @samp{yes}, otherwise @samp{no}.
|
||||
@ -1441,14 +1473,14 @@ to take a default action instead of trying to run a test program
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_CHAR_UNSIGNED
|
||||
@maindex CHAR_UNSIGNED
|
||||
@maindex C_CHAR_UNSIGNED
|
||||
@vindex __CHAR_UNSIGNED__
|
||||
If the C type @code{char} is unsigned, define @code{__CHAR_UNSIGNED__},
|
||||
unless the C compiler predefines it.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_CONST
|
||||
@maindex CONST
|
||||
@maindex C_CONST
|
||||
@vindex const
|
||||
If the C compiler does not fully support the keyword @code{const},
|
||||
define @code{const} to be empty. Some C compilers that do not define
|
||||
@ -1462,7 +1494,7 @@ declarations.)
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_INLINE
|
||||
@maindex INLINE
|
||||
@maindex C_INLINE
|
||||
@vindex inline
|
||||
If the C compiler is a version of GCC that supports the keyword
|
||||
@code{__inline} but not @code{inline} (such as some NeXT versions),
|
||||
@ -1487,7 +1519,7 @@ If the C type @code{long int} is 64 bits wide, define
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_LONG_DOUBLE
|
||||
@maindex HAVE_LONG_DOUBLE
|
||||
@maindex C_LONG_DOUBLE
|
||||
@vindex HAVE_LONG_DOUBLE
|
||||
If the C compiler supports the @code{long double} type, define
|
||||
@code{HAVE_LONG_DOUBLE}. Some C compilers that do not define
|
||||
@ -1496,7 +1528,7 @@ that define @code{__STDC__} do not support @code{long double}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_BIGENDIAN
|
||||
@maindex WORDS_BIGENDIAN
|
||||
@maindex C_BIGENDIAN
|
||||
@vindex WORDS_BIGENDIAN
|
||||
If words are stored with the most significant byte first (like Motorola
|
||||
and SPARC, but not Intel and VAX, CPUs), define @code{WORDS_BIGENDIAN}.
|
||||
@ -1508,7 +1540,7 @@ and SPARC, but not Intel and VAX, CPUs), define @code{WORDS_BIGENDIAN}.
|
||||
The following macros check for operating system services:
|
||||
|
||||
@defmac AC_PATH_X
|
||||
@maindex FIND_X
|
||||
@maindex PATH_X
|
||||
Try to locate the X Window System include files and libraries. Try
|
||||
first by running @code{xmkmf} on a trivial @file{Imakefile} and
|
||||
examining the @file{Makefile} that it produces. If that fails (such as
|
||||
@ -1526,7 +1558,7 @@ The command line options @samp{--x-includes=@var{dir}} and
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PATH_XTRA
|
||||
@maindex FIND_XTRA
|
||||
@maindex PATH_XTRA
|
||||
An enhanced version of @code{AC_PATH_X}. Put the C compiler flags that
|
||||
X needs into @code{make} variable @code{X_CFLAGS}, and the X linker
|
||||
flags into @code{X_LIBS}. If X is not available, put
|
||||
@ -1540,7 +1572,8 @@ been called. Because of the macro dependencies, if you call this macro,
|
||||
you should let it call @code{AC_PATH_X} rather than doing that yourself.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_HAVE_POUNDBANG (@var{action-if-supported} @r{[}, @var{action-if-not-supported}@r{]})
|
||||
@defmac AC_HAVE_POUNDBANG (@var{action-if-supported} @r{[},
|
||||
@var{action-if-not-supported}@r{]})
|
||||
@maindex HAVE_POUNDBANG
|
||||
Check whether the system supports starting shell scripts with a line of
|
||||
the form @samp{#!/bin/csh} to select the shell to use. If @samp{#!}
|
||||
@ -1549,14 +1582,14 @@ works, execute shell commands @var{action-if-supported}; if not, execute
|
||||
@end defmac
|
||||
|
||||
@defmac AC_SYS_LONG_FILE_NAMES
|
||||
@maindex LONG_FILE_NAMES
|
||||
@maindex SYS_LONG_FILE_NAMES
|
||||
@vindex HAVE_LONG_FILE_NAMES
|
||||
If the system supports file names longer than 14 characters, define
|
||||
@code{HAVE_LONG_FILE_NAMES}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_SYS_REMOTE_TAPE
|
||||
@maindex REMOTE_TAPE
|
||||
@maindex SYS_REMOTE_TAPE
|
||||
@vindex HAVE_SYS_MTIO_H
|
||||
If BSD tape drive ioctls are available, define @code{HAVE_SYS_MTIO_H},
|
||||
and if sockets are available add @code{rmt} to @code{make} variable
|
||||
@ -1564,7 +1597,7 @@ and if sockets are available add @code{rmt} to @code{make} variable
|
||||
@end defmac
|
||||
|
||||
@defmac AC_SYS_RESTARTABLE_SYSCALLS
|
||||
@maindex RESTARTABLE_SYSCALLS
|
||||
@maindex SYS_RESTARTABLE_SYSCALLS
|
||||
@vindex HAVE_RESTARTABLE_SYSCALLS
|
||||
If the system automatically restarts a system call that is interrupted
|
||||
by a signal, define @code{HAVE_RESTARTABLE_SYSCALLS}.
|
||||
@ -1580,21 +1613,21 @@ be replaced someday with a more systematic approach, based either on the
|
||||
functions they make available or the environments they provide.
|
||||
|
||||
@defmac AC_OS_AIX
|
||||
@maindex AIX
|
||||
@maindex OS_AIX
|
||||
@vindex _ALL_SOURCE
|
||||
If on AIX, define @code{_ALL_SOURCE}. Allows the use of some BSD
|
||||
functions. Should be called before any macros that run the C compiler.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_DYNIX
|
||||
@maindex DYNIX_SEQ
|
||||
@maindex OS_DYNIX
|
||||
If on DYNIX/ptx (Sequent UNIX), add @samp{-lseq} to @code{make}
|
||||
variable @code{LIBS}. Allows use of some BSD system calls and
|
||||
@code{getmntent}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_IRIX
|
||||
@maindex IRIX_SUN
|
||||
@maindex OS_IRIX
|
||||
If on IRIX (Silicon Graphics UNIX), add @samp{-lsun} to @code{make}
|
||||
variable @code{LIBS}. Needed to get @code{getmntent}. At sites using
|
||||
Yellow Pages/NIS, it is also needed to get properly working
|
||||
@ -1604,7 +1637,7 @@ so on.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_ISC
|
||||
@maindex ISC_POSIX
|
||||
@maindex OS_ISC
|
||||
@vindex _POSIX_SOURCE
|
||||
If on a POSIXized ISC UNIX, define @code{_POSIX_SOURCE} and add
|
||||
@samp{-posix} (for the GNU C compiler) or @samp{-Xp} (for other C
|
||||
@ -1614,7 +1647,7 @@ any other macros that run the C compiler.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_MINIX
|
||||
@maindex MINIX
|
||||
@maindex OS_MINIX
|
||||
@vindex _MINIX
|
||||
@vindex _POSIX_SOURCE
|
||||
@vindex _POSIX_1_SOURCE
|
||||
@ -1624,20 +1657,18 @@ facilities. Should be called before any macros that run the C compiler.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_SCO
|
||||
@maindex SCO_INTL
|
||||
@maindex OS_SCO
|
||||
If on SCO UNIX, add @samp{-lintl} to @code{make} variable @code{LIBS}.
|
||||
Used to get @code{strftime}. It must be called before checking for
|
||||
@code{strftime}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_OS_XENIX
|
||||
@maindex XENIX_DIR
|
||||
@vindex VOID_CLOSEDIR
|
||||
If on Xenix, define @code{VOID_CLOSEDIR} and add @samp{-lx} to
|
||||
@code{make} variable @code{LIBS}. Also, if @file{sys/ndir.h} is not
|
||||
being used, add @samp{-ldir} to @code{LIBS}. Needed when using the
|
||||
directory reading functions. This macro must be called after
|
||||
@code{AC_HEADER_DIRENT}.
|
||||
@maindex OS_XENIX
|
||||
If on Xenix, add @samp{-lx} to @code{make} variable @code{LIBS}. Also,
|
||||
if @file{sys/ndir.h} is not being used, add @samp{-ldir} to @code{LIBS}.
|
||||
Needed when using the directory reading functions. This macro must be
|
||||
called after @code{AC_HEADER_DIRENT}.
|
||||
@end defmac
|
||||
|
||||
@node General Purpose Macros, Manual Configuration, Specific Tests, Top
|
||||
@ -1788,7 +1819,7 @@ set the prefix to @file{/usr/local/gnu}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_INIT_PREPARE (@var{unique-file-in-source-dir})
|
||||
@maindex PREPARE
|
||||
@maindex INIT_PREPARE
|
||||
Find the source code directory and set up shell variables necessary for
|
||||
other Autoconf macros to work. @var{unique-file-in-source-dir} is some
|
||||
file that is in the package's source directory; @code{configure} checks
|
||||
@ -1850,7 +1881,7 @@ produces this in @file{configure}:
|
||||
These macros check whether particular files exist.
|
||||
|
||||
@defmac AC_CHECK_LIB (@var{library} @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
|
||||
@maindex HAVE_LIBRARY
|
||||
@maindex CHECK_LIB
|
||||
Create a test C program to see whether that program can be linked with
|
||||
the library @var{library}. @var{action-if-found} is a list of shell
|
||||
commands to run if the link succeeds (which means that the library is
|
||||
@ -1877,7 +1908,7 @@ finding the site-wide defaults file correctly, so it is obsolete.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_PROG (@var{variable}, @var{prog-to-check-for}, @var{value-if-found} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAM_CHECK
|
||||
@maindex CHECK_PROG
|
||||
Check whether program @var{prog-to-check-for} exists in @code{PATH}. If
|
||||
it is found, set @var{variable} to @var{value-if-found}, otherwise to
|
||||
@var{value-if-not-found}, if given. If @var{variable} was already set,
|
||||
@ -1885,7 +1916,7 @@ do nothing. Calls @code{AC_SUBST} for @var{variable}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PATH_PROG (@var{variable}, @var{prog-to-check-for} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAM_PATH
|
||||
@maindex PATH_PROG
|
||||
Similar to @code{AC_CHECK_PROG}, but set @var{variable} to the entire
|
||||
path of @var{prog-to-check-for} if found. Otherwise, set @var{variable}
|
||||
to @var{value-if-not-found}, if given. If @var{variable} was already
|
||||
@ -1893,7 +1924,7 @@ set, do nothing. Calls @code{AC_SUBST} for @var{variable}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_PROGS (@var{variable}, @var{progs-to-check-for} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAMS_CHECK
|
||||
@maindex CHECK_PROGS
|
||||
Check for each program in the whitespace-separated list
|
||||
@var{progs-to-check-for} exists in @code{PATH}. If it is found, set
|
||||
@var{variable} to the name of that program. Otherwise, continue
|
||||
@ -1904,7 +1935,7 @@ is not changed. Calls @code{AC_SUBST} for @var{variable}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PATH_PROGS (@var{variable}, @var{progs-to-check-for} @r{[}, @var{value-if-not-found}@r{]})
|
||||
@maindex PROGRAMS_PATH
|
||||
@maindex PATH_PROGS
|
||||
Like @code{AC_CHECK_PROGS}, but if any of @var{progs-to-check-for}
|
||||
are found, set @var{variable} to the entire pathname of the program
|
||||
found.
|
||||
@ -1929,7 +1960,7 @@ prints @samp{checking for @var{echo-text}} to the standard output first.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_FUNC (@var{function}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex FUNC_CHECK
|
||||
@maindex CHECK_FUNC
|
||||
If @var{function} is available, run shell commands
|
||||
@var{action-if-found}, otherwise @var{action-if-not-found}. If the
|
||||
functions might be in libraries other than the default C library, first
|
||||
@ -1939,7 +1970,7 @@ define a symbol if the function is available, consider using
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_FUNCS (@var{function}@dots{})
|
||||
@maindex HAVE_FUNCS
|
||||
@maindex CHECK_FUNCS
|
||||
@vindex HAVE_@var{function}
|
||||
For each given @var{function} in the whitespace-separated argument list
|
||||
that is available, define @code{HAVE_@var{function}} (in all caps).
|
||||
@ -1949,7 +1980,7 @@ default C library, first call @code{AC_CHECK_LIB} for those libraries.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_HEADERS (@var{header-file}@dots{})
|
||||
@maindex HAVE_HEADERS
|
||||
@maindex CHECK_HEADERS
|
||||
@vindex HAVE_@var{header}
|
||||
For each given system header file @var{header-file} in the
|
||||
whitespace-separated argument list that exists, define
|
||||
@ -1958,7 +1989,7 @@ a precise definition of ``define'' as it is used here.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_HEADER (@var{header-file}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex HEADER_CHECK
|
||||
@maindex CHECK_HEADER
|
||||
If the system header file @var{header-file} exists, execute shell commands
|
||||
@var{action-if-found}, otherwise execute @var{action-if-not-found}. If
|
||||
you just want to define a symbol if the header file is available,
|
||||
@ -1966,7 +1997,7 @@ consider using @code{AC_CHECK_HEADERS} instead.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_EGREP_HEADER (@var{pattern}, @var{header-file}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex HEADER_EGREP
|
||||
@maindex EGREP_HEADER
|
||||
If the output of running the preprocessor on the system header file
|
||||
@var{header-file} contains the @code{egrep} regular expression
|
||||
@var{pattern}, execute shell commands @var{action-if-found}, otherwise
|
||||
@ -1984,7 +2015,7 @@ your programs.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_EGREP_CPP (@var{pattern}, @var{program}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex PROGRAM_EGREP
|
||||
@maindex EGREP_CPP
|
||||
@var{program} is the text of a C or C++ program, on which shell variable and
|
||||
backquote substitutions are performed. If the output of running the
|
||||
preprocessor on @var{program} contains the @code{egrep} regular
|
||||
@ -2008,7 +2039,7 @@ might be in libraries other than the default C library, first call
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_SIZEOF (@var{type})
|
||||
@maindex SIZEOF_TYPE
|
||||
@maindex CHECK_SIZEOF
|
||||
Define @code{SIZEOF_@var{uctype}} to be the size in bytes of the C (or
|
||||
C++) builtin type @var{type}, e.g. @samp{int} or @samp{char *}. If
|
||||
@samp{type} is unknown to the compiler, gets a size of 0. @var{uctype}
|
||||
@ -2022,7 +2053,7 @@ defines @code{SIZEOF_INT_P} to be 8 on DEC Alpha AXP systems.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_TRY_CPP (@var{includes}, @var{action-if-true} @r{[}, @var{action-if-false}@r{]})
|
||||
@maindex TEST_CPP
|
||||
@maindex TRY_CPP
|
||||
@var{includes} is C or C++ @code{#include} statements and declarations, on
|
||||
which shell variable and backquote substitutions are performed.
|
||||
(Actually, it can be any C program, but other statements are probably
|
||||
@ -2285,7 +2316,7 @@ changes need only be made to the macro definitions, and all of the
|
||||
callers change automatically.
|
||||
|
||||
@defmac AC_MSG_CHECKING (@var{feature-description})
|
||||
@maindex CHECKING
|
||||
@maindex MSG_CHECKING
|
||||
Notify the user that @code{configure} is checking for a particular
|
||||
feature. This macro prints a message that starts with @samp{checking }.
|
||||
It prints nothing if @code{configure} is run with the @samp{--silent} or
|
||||
@ -2295,7 +2326,7 @@ or @samp{for c89}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_MSG_ERROR (@var{error-description})
|
||||
@maindex ERROR
|
||||
@maindex MSG_ERROR
|
||||
Notify the user of an error that prevents @code{configure} from
|
||||
completing. This macro prints an error message on the standard error
|
||||
stream and exits @code{configure} with a nonzero status.
|
||||
@ -2304,7 +2335,7 @@ $HOME for \$HOME}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_MSG_RESULT (@var{result-description})
|
||||
@maindex VERBOSE
|
||||
@maindex MSG_RESULT
|
||||
Notify the user of the results of a check. This information is
|
||||
only printed if @code{configure} is run with the @samp{--verbose}
|
||||
option. @var{result-description} should be something like @samp{setting
|
||||
@ -2312,7 +2343,7 @@ ADA to $ADA}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_MSG_WARN (@var{problem-description})
|
||||
@maindex WARN
|
||||
@maindex MSG_WARN
|
||||
Notify the @code{configure} user of a possible problem. This macro
|
||||
prints the message on the standard error stream; @code{configure}
|
||||
continues running afterward, so macros that call @code{AC_MSG_WARN} should
|
||||
@ -2583,6 +2614,7 @@ number, which you can get by running @samp{autoconf --version}.
|
||||
|
||||
@menu
|
||||
* Macro Format:: Basic format of an Autoconf macro.
|
||||
* Macro Naming:: What to call your new macros.
|
||||
* Quoting:: Protecting macros from unwanted expansion.
|
||||
* Dependencies Between Macros:: What to do when macros depend on other macros.
|
||||
* Checking for Files:: Finding whether a file exists.
|
||||
@ -2591,7 +2623,7 @@ number, which you can get by running @samp{autoconf --version}.
|
||||
* Multiple Cases:: Tests for several possible values.
|
||||
@end menu
|
||||
|
||||
@node Macro Format, Quoting, , Writing Macros
|
||||
@node Macro Format, Macro Naming, , Writing Macros
|
||||
@section Macro Format
|
||||
|
||||
Autoconf macros are defined as arguments to the @code{m4} builtin
|
||||
@ -2605,15 +2637,6 @@ define(@var{macro-name}, [@var{macro-body}])dnl
|
||||
The square brackets here do not indicate optional text: they should
|
||||
literally be present in the macro definition.
|
||||
|
||||
All of the Autoconf macros have names starting with @samp{AC_} to
|
||||
prevent them from accidentally conflicting with other text. All shell
|
||||
variables that they use for internal purposes have names starting with
|
||||
@samp{ac_}. To ensure that your macros don't conflict with present or
|
||||
future Autoconf macros, you should prefix your own macro names and any
|
||||
shell variables they use with some other sequence. Possibilities
|
||||
include your initials, or an abbreviation for the name of your
|
||||
organization or software package.
|
||||
|
||||
The @code{m4} builtin @code{dnl} prevents a newline from being inserted
|
||||
in the output where the macro is defined; without it, the generated
|
||||
@code{configure} script would begin with dozens of blank lines.
|
||||
@ -2627,7 +2650,59 @@ arguments passed to the macro as @samp{$1}, @samp{$2}, etc.
|
||||
@xref{Definitions, , How to define new macros, m4.info, GNU m4}, for
|
||||
more complete information on writing @code{m4} macros.
|
||||
|
||||
@node Quoting, Dependencies Between Macros, Macro Format, Writing Macros
|
||||
@node Macro Naming, Quoting, Macro Format, Writing Macros
|
||||
@section Macro Naming
|
||||
|
||||
All of the Autoconf macros have all-uppercase names starting with
|
||||
@samp{AC_} to prevent them from accidentally conflicting with other
|
||||
text. All shell variables that they use for internal purposes have
|
||||
mostly-lowercase names starting with @samp{ac_}. To ensure that your
|
||||
macros don't conflict with present or future Autoconf macros, you should
|
||||
prefix your own macro names and any shell variables they use with some
|
||||
other sequence. Possibilities include your initials, or an abbreviation
|
||||
for the name of your organization or software package.
|
||||
|
||||
Most of the Autoconf macros' names follow a structured naming convention
|
||||
that indicates the kind of feature check by the name. The macro names
|
||||
consist of several words, separated by underscores, going from most
|
||||
general to most specific. The names of their cache variables use the
|
||||
same convention (@pxref{Cache Variables}, for more information on them).
|
||||
|
||||
The first word of the name after @samp{AC_} usually tells the category
|
||||
of feature being tested. Here are the categories for specific test
|
||||
macros, the kind of macro that you are more likely to write. You are
|
||||
not required to use these names, but consistency helps readability.
|
||||
|
||||
@table @code
|
||||
@item C
|
||||
C language builtin features.
|
||||
@item DECL
|
||||
Declarations of C variables in header files.
|
||||
@item FUNC
|
||||
Functions in libraries.
|
||||
@item HEADER
|
||||
Header files.
|
||||
@item OS
|
||||
Quirks of particular operating systems.
|
||||
@item PATH
|
||||
The full path names to files.
|
||||
@item PROG
|
||||
The names of programs.
|
||||
@item STRUCT
|
||||
Definitions of C structures in header files.
|
||||
@item SYS
|
||||
Operating system features.
|
||||
@item TYPE
|
||||
C builtin or declared types.
|
||||
@end table
|
||||
|
||||
After the category comes the name of the particular feature being
|
||||
tested. Any further words in the macro name indicate particular aspects
|
||||
of the feature. For example, @code{AC_FUNC_UTIME_NULL} checks the
|
||||
behavior of the @code{utime} function when called with a @code{NULL}
|
||||
pointer.
|
||||
|
||||
@node Quoting, Dependencies Between Macros, Macro Naming, Writing Macros
|
||||
@section Quoting
|
||||
|
||||
Macros that are called by other macros are evaluated by @code{m4}
|
||||
@ -2646,7 +2721,7 @@ the @code{m4} builtin command @code{changequote} to temporarily disable
|
||||
quoting before the code that uses brackets, like this:
|
||||
|
||||
@example
|
||||
changequote(,)dnl
|
||||
changequote(, )dnl
|
||||
@end example
|
||||
|
||||
@noindent
|
||||
@ -2654,7 +2729,7 @@ Then they turn quoting back on again with another call to
|
||||
@code{changequote}:
|
||||
|
||||
@example
|
||||
changequote([,])dnl
|
||||
changequote([, ])dnl
|
||||
@end example
|
||||
|
||||
When you create a @code{configure} script using newly written macros,
|
||||
@ -2928,6 +3003,31 @@ it reads from it the results from previous runs and avoids rerunning
|
||||
those checks. As a result, @code{configure} can run much faster than if
|
||||
it had to perform all of the checks every time.
|
||||
|
||||
@defmac AC_CACHE_VAL (@var{cache-id}, @var{commands-to-set-it})
|
||||
@maindex CACHE_VAL
|
||||
Ensure that the results of the check identified by @var{cache-id} are
|
||||
available. If the results of the check were in the cache file that was
|
||||
read, print a verbose message saying so; otherwise, run the shell
|
||||
commands @var{commands-to-set-it}. Those commands should have no side
|
||||
effects except for setting the variable @var{cache-id}. In particular,
|
||||
they should not call @code{AC_DEFINE}; the code that follows the call to
|
||||
@code{AC_CACHE_VAL} should do that, based on the cached value. Also,
|
||||
they should not print any messages, for example with @code{AC_MSG_CHECKING};
|
||||
do that before calling @code{AC_CACHE_VAL}, so the messages are printed
|
||||
regardless of whether the results of the check are retrieved from the
|
||||
cache or determined by running the shell commands. If the shell
|
||||
commands are run to determine the value, the value will be saved in the
|
||||
cache file just before @code{configure} creates its output files.
|
||||
@end defmac
|
||||
|
||||
@menu
|
||||
* Cache Files:: Files @code{configure} uses for caching.
|
||||
* Cache Variables:: Shell variables used in caches.
|
||||
@end menu
|
||||
|
||||
@node Cache Files, Cache Variables, , Caching Values
|
||||
@section Cache Files
|
||||
|
||||
The cache file is a shell script that caches the results of configure
|
||||
tests run on one system so they can be shared between configure scripts
|
||||
and configure runs. It is not useful on other systems. If its contents
|
||||
@ -2956,24 +3056,10 @@ the existing cache file. The site initialization script can specify a
|
||||
site-wide cache file to use instead of the default, to make it work
|
||||
transparently (@pxref{Site Default Values}).
|
||||
|
||||
@defmac AC_CACHE_VAL (@var{cache-id}, @var{commands-to-set-it})
|
||||
@maindex CACHE_VAL
|
||||
Ensure that the results of the check identified by @var{cache-id} are
|
||||
available. If the results of the check were in the cache file that was
|
||||
read, print a verbose message saying so; otherwise, run the shell
|
||||
commands @var{commands-to-set-it}. Those commands should have no side
|
||||
effects except for setting the variable @var{cache-id}. In particular,
|
||||
they should not call @code{AC_DEFINE}; the code that follows the call to
|
||||
@code{AC_CACHE_VAL} should do that, based on the cached value. Also,
|
||||
they should not print any messages, for example with @code{AC_MSG_CHECKING};
|
||||
do that before calling @code{AC_CACHE_VAL}, so the messages are printed
|
||||
regardless of whether the results of the check are retrieved from the
|
||||
cache or determined by running the shell commands. If the shell
|
||||
commands are run to determine the value, the value will be saved in the
|
||||
cache file just before @code{configure} creates its output files.
|
||||
@node Cache Variables, , Cache Files, Caching Values
|
||||
@section Cache Variables
|
||||
|
||||
@noindent
|
||||
The names of cache variables should have this format:
|
||||
The names of cache variables should have the following format:
|
||||
|
||||
@example
|
||||
@var{package-prefix}_cv_@var{value-type}_@var{specific-value}@r{[}_@var{additional-options}@r{]}
|
||||
@ -3051,7 +3137,6 @@ Like their names, the values the may be assigned to cache variables have
|
||||
a few restrictions. The values may not contain single quotes or curly braces.
|
||||
Usually, their values will be boolean (@samp{yes} or @samp{no}) or the
|
||||
names of files or functions; so this is not an important restriction.
|
||||
@end defmac
|
||||
|
||||
@node Makefiles, Invoking configure, Caching Values, Top
|
||||
@chapter Makefiles
|
||||
@ -3367,6 +3452,7 @@ uniform and descriptive naming scheme. Here are the old names of the
|
||||
macros that were renamed, followed by the current names of those macros.
|
||||
Although the old names are still accepted by the @code{autoconf} program
|
||||
for backward compatibility, the old names are considered obsolete.
|
||||
@xref{Macro Naming}, for a description of the new naming scheme.
|
||||
|
||||
@table @code
|
||||
@item AC_NOTICE
|
||||
@ -3425,8 +3511,6 @@ for backward compatibility, the old names are considered obsolete.
|
||||
@vindex PROGRAM_EGREP
|
||||
@vindex EGREP_CPP
|
||||
@code{AC_EGREP_CPP}
|
||||
@vindex TRY_LINK
|
||||
@code{AC_TRY_LINK}
|
||||
@item AC_TEST_PROGRAM
|
||||
@vindex TEST_PROGRAM
|
||||
@vindex TRY_RUN
|
||||
@ -3487,10 +3571,6 @@ for backward compatibility, the old names are considered obsolete.
|
||||
@vindex MAJOR_HEADER
|
||||
@vindex HEADER_MAJOR
|
||||
@code{AC_HEADER_MAJOR}
|
||||
@item AC_DIR_HEADER
|
||||
@vindex DIR_HEADER
|
||||
@vindex HEADER_DIRENT
|
||||
@code{AC_HEADER_DIRENT}
|
||||
@item AC_STAT_MACROS_BROKEN
|
||||
@vindex STAT_MACROS_BROKEN
|
||||
@vindex HEADER_STAT
|
||||
|
||||
@ -29,7 +29,7 @@ dnl
|
||||
ifdef([__gnu__], , [errprint(Autoconf requires GNU m4
|
||||
)m4exit(2)])dnl
|
||||
dnl
|
||||
define(AC_ACVERSION, 1.96)dnl
|
||||
define(AC_ACVERSION, 1.97)dnl
|
||||
dnl This is defined by the --version option of the autoconf script.
|
||||
ifdef([AC_PRINT_VERSION], [Autoconf version AC_ACVERSION
|
||||
m4exit(0)])dnl
|
||||
@ -78,20 +78,24 @@ configure_args="[$]@"
|
||||
changequote(, )dnl
|
||||
ac_usage="Usage: configure [options] [host]
|
||||
Options: [defaults in brackets after descriptions]
|
||||
--build=BUILD configure for building on BUILD [BUILD=HOST]
|
||||
Configuration:
|
||||
--cache-file=FILE cache test results in FILE
|
||||
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
|
||||
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
|
||||
--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
|
||||
--help print this message
|
||||
--host=HOST configure for HOST [guessed]
|
||||
--no-create do not create output files
|
||||
--prefix=PREFIX install host independent files in PREFIX [/usr/local]
|
||||
--quiet, --silent do not print \`checking for...' messages
|
||||
--srcdir=DIR find the sources in DIR [configure dir or ..]
|
||||
--target=TARGET configure for TARGET [TARGET=HOST]
|
||||
--verbose print results of checks
|
||||
--version print the version of autoconf that created configure
|
||||
Directories:
|
||||
--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
|
||||
--prefix=PREFIX install host independent files in PREFIX [/usr/local]
|
||||
--srcdir=DIR find the sources in DIR [configure dir or ..]
|
||||
Host type:
|
||||
--build=BUILD configure for building on BUILD [BUILD=HOST]
|
||||
--host=HOST configure for HOST [guessed]
|
||||
--target=TARGET configure for TARGET [TARGET=HOST]
|
||||
Features and packages:
|
||||
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
|
||||
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
|
||||
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
|
||||
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
|
||||
--x-includes=DIR X include files are in DIR
|
||||
@ -756,7 +760,7 @@ fi
|
||||
for ac_site_dir in $ac_site_dirs; do
|
||||
ac_site_file=$ac_site_dir/lib/config.site
|
||||
if test -r "$ac_site_file"; then
|
||||
AC_MSG_RESULT(loading site initialization script $ac_site_file)
|
||||
echo "loading site initialization script $ac_site_file"
|
||||
. $ac_site_file
|
||||
fi
|
||||
done
|
||||
@ -764,16 +768,16 @@ done
|
||||
dnl
|
||||
define(AC_CACHE_LOAD,
|
||||
[if test -r "$cache_file"; then
|
||||
AC_MSG_RESULT(loading test results from cache file $cache_file)
|
||||
echo "loading test results from cache file $cache_file"
|
||||
. $cache_file
|
||||
else
|
||||
AC_MSG_RESULT(creating new cache file $cache_file)
|
||||
echo "creating new cache file $cache_file"
|
||||
> $cache_file
|
||||
fi])dnl
|
||||
dnl
|
||||
define(AC_CACHE_SAVE,
|
||||
[if test -w $cache_file; then
|
||||
AC_MSG_RESULT(saving test results in cache file $cache_file)
|
||||
echo "saving test results in cache file $cache_file"
|
||||
cat > $cache_file <<\CEOF
|
||||
# This file is a shell script that caches the results of configure
|
||||
# tests run on this system so they can be shared between configure
|
||||
@ -1435,6 +1439,7 @@ EOF
|
||||
cat >> ${CONFIG_STATUS} <<\EOF
|
||||
|
||||
ac_given_srcdir=$srcdir
|
||||
ac_given_INSTALL=$INSTALL
|
||||
|
||||
CONFIG_FILES=${CONFIG_FILES-"$1"}
|
||||
for ac_file in .. ${CONFIG_FILES}; do if test "x$ac_file" != x..; then
|
||||
@ -1446,17 +1451,17 @@ changequote([, ])dnl
|
||||
# The file is in a subdirectory.
|
||||
test ! -d "$ac_dir" && mkdir "$ac_dir"
|
||||
ac_dir_suffix="/$ac_dir"
|
||||
# A "../" for each directory in $ac_dir_suffix.
|
||||
changequote(, )dnl
|
||||
ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
|
||||
changequote([, ])dnl
|
||||
else
|
||||
ac_dir_suffix=
|
||||
ac_dir_suffix= ac_dots=
|
||||
fi
|
||||
|
||||
changequote(, )dnl
|
||||
# A "../" for each directory in $ac_dir_suffix.
|
||||
ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
|
||||
changequote([, ])dnl
|
||||
case "$ac_given_srcdir" in
|
||||
.) srcdir=.
|
||||
if test -z "$ac_dir_suffix"; then top_srcdir=.
|
||||
if test -z "$ac_dots"; then top_srcdir=.
|
||||
else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
|
||||
/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
|
||||
*) # Relative path.
|
||||
@ -1464,6 +1469,13 @@ changequote([, ])dnl
|
||||
top_srcdir="$ac_dots$ac_given_srcdir" ;;
|
||||
esac
|
||||
|
||||
case "$ac_given_INSTALL" in
|
||||
changequote(, )dnl
|
||||
[/$]*) INSTALL="$ac_given_INSTALL" ;;
|
||||
changequote([, ])dnl
|
||||
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
|
||||
esac
|
||||
|
||||
echo creating "$ac_file"
|
||||
rm -f "$ac_file"
|
||||
comment_str="Generated automatically from `echo $ac_file|sed 's|.*/||'`.in by configure."
|
||||
|
||||
@ -347,8 +347,8 @@ if test $RSH != true; then
|
||||
RTAPELIB=rtapelib.o
|
||||
else
|
||||
AC_MSG_RESULT(found no remote shell)
|
||||
AC_CHECK_HEADER(netdb.h, RTAPELIB=rtapelib.o AC_DEFINE(HAVE_NETDB_H),
|
||||
RTAPELIB= AC_DEFINE(NO_REMOTE))
|
||||
AC_CHECK_HEADER(netdb.h, [RTAPELIB=rtapelib.o AC_DEFINE(HAVE_NETDB_H)],
|
||||
[RTAPELIB= AC_DEFINE(NO_REMOTE)])
|
||||
fi
|
||||
AC_SUBST(RSH)dnl
|
||||
AC_SUBST(RTAPELIB)dnl
|
||||
@ -441,14 +441,40 @@ AC_TRY_LINK([#include <sys/types.h>
|
||||
done])dnl
|
||||
|
||||
case "$ac_cv_header_dir" in
|
||||
dirent.h) AC_DEFINE(DIRENT)
|
||||
AC_DEFINE(HAVE_DIRENT_H) ;;
|
||||
sys/ndir.h) AC_DEFINE(SYSNDIR)
|
||||
AC_DEFINE(HAVE_SYS_NDIR_H) ;;
|
||||
sys/dir.h) AC_DEFINE(SYSDIR)
|
||||
AC_DEFINE(HAVE_SYS_DIR_H) ;;
|
||||
ndir.h) AC_DEFINE(NDIR)
|
||||
AC_DEFINE(HAVE_NDIR_H) ;;
|
||||
dirent.h) AC_DEFINE(HAVE_DIRENT_H) ;;
|
||||
sys/ndir.h) AC_DEFINE(HAVE_SYS_NDIR_H) ;;
|
||||
sys/dir.h) AC_DEFINE(HAVE_SYS_DIR_H) ;;
|
||||
ndir.h) AC_DEFINE(HAVE_NDIR_H) ;;
|
||||
esac
|
||||
|
||||
AC_MSG_CHECKING(for closedir return value)
|
||||
AC_CACHE_VAL(ac_cv_func_closedir_void,
|
||||
[AC_TRY_RUN([#include <sys/types.h>
|
||||
#include <$ac_cv_header_dir>
|
||||
int closedir(); main() { exit(closedir(opendir(".")) != 0); }],
|
||||
ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes)])dnl
|
||||
if test $ac_cv_func_closedir_void = yes; then
|
||||
AC_DEFINE(CLOSEDIR_VOID)
|
||||
fi
|
||||
])dnl
|
||||
dnl
|
||||
dnl Obsolete.
|
||||
define(AC_DIR_HEADER,
|
||||
[AC_PROVIDE([$0])dnl
|
||||
AC_MSG_CHECKING(for directory library header)
|
||||
AC_CACHE_VAL(ac_cv_header_dir,
|
||||
[ac_cv_header_dir=no
|
||||
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
|
||||
AC_MSG_CHECKING([for $ac_hdr])
|
||||
AC_TRY_LINK([#include <sys/types.h>
|
||||
#include <$ac_hdr>], [DIR *dirp = 0;], ac_cv_header_dir=$ac_hdr; break)
|
||||
done])dnl
|
||||
|
||||
case "$ac_cv_header_dir" in
|
||||
dirent.h) AC_DEFINE(DIRENT) ;;
|
||||
sys/ndir.h) AC_DEFINE(SYSNDIR) ;;
|
||||
sys/dir.h) AC_DEFINE(SYSDIR) ;;
|
||||
ndir.h) AC_DEFINE(NDIR) ;;
|
||||
esac
|
||||
|
||||
AC_MSG_CHECKING(for closedir return value)
|
||||
|
||||
@ -77,14 +77,10 @@ uninstall:
|
||||
Makefile: Makefile.in ../config.status
|
||||
cd ..; ./config.status
|
||||
|
||||
clean:
|
||||
clean mostlyclean distclean realclean::
|
||||
rm -f autoconf.log autoconf.sum site.exp site.bak AC* confdummy*
|
||||
|
||||
mostlyclean: clean
|
||||
|
||||
distclean: clean
|
||||
distclean realclean::
|
||||
rm -f Makefile config.status config.cache config.log
|
||||
|
||||
realclean: distclean
|
||||
|
||||
TAGS:
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user