mirror of
git://git.sv.gnu.org/autoconf
synced 2025-03-19 14:40:24 +08:00
fix c++, remove NO_ARG_ARRAY, check for more X libs
This commit is contained in:
David MacKenzie
parent
69ed573042
commit
7ec5a7d5f8
2
NEWS
2
NEWS
@ -49,8 +49,10 @@ Major changes in release 2.0:
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execute on success.
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* AC_REMOTE_TAPE and AC_RSH removed; too specific to tar and cpio, and
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better maintained with them.
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* AC_ARG_ARRAY removed because no one was likely using it.
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* AC_HAVE_POUNDBANG replaced with AC_SYS_INTERPRETER, which doesn't
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take arguments.
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* Checking for C functions in C++ works.
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** New utilities:
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* autoscan to generate a preliminary configure.in for a package by
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7
TODO
7
TODO
@ -96,11 +96,8 @@ in a dnl comment. (Seems to be hard.)
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------------------------------------------------------------------------------
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* Prototypes and IEEE math contributed macros.
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------------------------------------------------------------------------------
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* Functions to check for C++ functions, or C functions under C++.
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* Look at user contributed macros: prototypes, IEEE double precision math,
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shared libraries, various other things.
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------------------------------------------------------------------------------
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@ -170,10 +170,6 @@
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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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as the start of an array. */
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#undef NO_ARG_ARRAY
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/* Define if your C compiler doesn't accept -c and -o together. */
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#undef NO_MINUS_C_MINUS_O
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31
acgeneral.m4
31
acgeneral.m4
@ -35,7 +35,7 @@ Install it before installing Autoconf or set the
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M4 environment variable to its path name.
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)m4exit(2)])dnl
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dnl
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define(AC_ACVERSION, 1.103)dnl
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define(AC_ACVERSION, 1.104)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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@ -84,9 +84,7 @@ ac_help=])dnl
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dnl
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dnl AC_INIT_PARSE_ARGS()
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AC_DEFUN(AC_INIT_PARSE_ARGS,
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[AC_BEFORE([$0], [AC_ARG_ENABLE])dnl
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AC_BEFORE([$0], [AC_ARG_WITH])dnl
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# Save the original args to write them into config.status later.
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[# Save the original args to write them into config.status later.
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configure_args="[$]@"
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# Omit some internal, obsolete, or unimplemented options to make the
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@ -381,13 +379,7 @@ divert(AC_DIVERSION_NORMAL)dnl
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dnl
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dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
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AC_DEFUN(AC_INIT_PREPARE,
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[AC_BEFORE([$0], [AC_ARG_ENABLE])dnl
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AC_BEFORE([$0], [AC_ARG_WITH])dnl
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AC_BEFORE([$0], [AC_CONFIG_HEADER])dnl
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AC_BEFORE([$0], [AC_REVISION])dnl
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AC_BEFORE([$0], [AC_PREREQ])dnl
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dnl AC_BEFORE([$0], [AC_CONFIG_SUBDIRS])dnl
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trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
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[trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
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trap 'rm -fr confdefs* $ac_clean_files' 0
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# File descriptor usage:
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@ -1139,12 +1131,15 @@ dnl
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dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
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dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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AC_DEFUN(AC_TRY_LINK,
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[dnl We use return because because C++ requires a prototype for exit.
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cat > conftest.${ac_ext} <<EOF
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[cat > conftest.${ac_ext} <<EOF
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dnl This sometimes fails to find confdefs.h, for some reason.
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dnl [#]line __LINE__ "[$]0"
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#line __LINE__ "configure"
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#include "confdefs.h"
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ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
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extern "C" void exit(int);
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#endif
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])dnl
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[$1]
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int main() { return 0; }
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int t() {
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@ -1175,6 +1170,10 @@ else
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cat > conftest.${ac_ext} <<EOF
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#line __LINE__ "configure"
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#include "confdefs.h"
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ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
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extern "C" void exit(int);
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#endif
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])dnl
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[$1]
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EOF
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eval $ac_compile
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@ -1243,7 +1242,11 @@ AC_CACHE_VAL(ac_cv_func_$1,
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choke me
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#else
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/* Override any gcc2 internal prototype to avoid an error. */
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extern char $1(); $1();
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]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
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extern "C"
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#endif
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])dnl
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[char $1(); $1();
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#endif
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], eval "ac_cv_func_$1=yes", eval "ac_cv_func_$1=no")])dnl
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if eval "test \"`echo '$ac_cv_func_'$1`\" = yes"; then
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@ -702,7 +702,12 @@ AC_TRY_RUN([/* Thanks to Paul Eggert for this test. */
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Test for this by using a static variable whose address
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is put into a register that is clobbered by the vfork. */
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static
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sparc_address_test (arg) int arg; {
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#ifdef __cplusplus
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sparc_address_test (int arg)
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#else
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sparc_address_test (arg) int arg;
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#endif
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{
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static pid_t child;
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if (!child) {
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child = vfork ();
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@ -1248,27 +1253,6 @@ if test $ac_cv_c_bigendian = yes; then
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fi
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])dnl
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dnl
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AC_DEFUN(AC_C_ARG_ARRAY,
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[AC_MSG_CHECKING(whether the address of an argument can be used as an array)
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AC_CACHE_VAL(ac_cv_c_arg_array,
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[AC_TRY_RUN([main() {
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/* Return 0 iff arg arrays are ok. */
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exit(!x(1, 2, 3, 4));
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}
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x(a, b, c, d) {
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return y(a, &b);
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}
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/* Return 1 iff arg arrays are ok. */
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y(a, b) int *b; {
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return a == 1 && b[0] == 2 && b[1] == 3 && b[2] == 4;
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}], ac_cv_c_arg_array=no, ac_cv_c_arg_array=yes)
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rm -f core])dnl
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AC_MSG_RESULT($ac_cv_c_arg_array)
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if test $ac_cv_c_arg_array = no; then
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AC_DEFINE(NO_ARG_ARRAY)
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fi
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])dnl
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dnl
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AC_DEFUN(AC_C_INLINE,
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([for inline])
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@ -1610,7 +1594,15 @@ else
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fi
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fi
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# Check for additional X libraries.
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# Check for libraries that R6 introduced. Xt/Xaw programs need these.
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ac_save_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -L$x_libraries"
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AC_HAVE_LIBRARY(ICE, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lICE"])
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AC_HAVE_LIBRARY(SM, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lSM"])
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LDFLAGS="$ac_save_LDFLAGS"
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# Check for system-dependent libraries X programs must link with.
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if test "$ISC" = yes; then
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X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
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@ -1624,6 +1616,12 @@ else
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AC_CHECK_LIB(dnet_stub, dnet_ntoa,
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[X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"])
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fi
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# msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT.
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# Not sure which flavor of 386 Unix this is, but it seems harmless to
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# check for it.
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AC_HAVE_LIBRARY(nsl, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"])
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# lieder@skyler.mavd.honeywell.com says without -lsocket,
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# socket/setsockopt and other routines are undefined under SCO ODT 2.0.
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# But -lsocket is broken on IRIX, according to simon@lia.di.epfl.ch.
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@ -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 1.103
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@set VERSION 1.103
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@set EDITION 1.104
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@set VERSION 1.104
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@set UPDATED August 1994
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@iftex
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@ -954,26 +954,26 @@ something like the following, which assumes that you have also called
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@example
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@group
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#ifdef HAVE_UNISTD_H
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#include <sys/types.h>
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#include <unistd.h>
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# include <sys/types.h>
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# include <unistd.h>
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#endif
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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# define NAMLEN(dirent) (strlen((dirent)->d_name))
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#else /* !HAVE_DIRENT_H */
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#else
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# define dirent direct
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# define NAMLEN(dirent) ((dirent)->d_namlen)
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif /* HAVE_SYS_NDIR_H */
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# endif
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif /* HAVE_SYS_DIR_H */
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# endif
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif /* HAVE_NDIR_H */
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#endif /* !HAVE_DIRENT_H */
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# endif
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#endif
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@end group
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@end example
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@ -1024,15 +1024,14 @@ Then, in the code, use a test like this:
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@example
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@group
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/* memory.h might conflict with an ANSI string.h, or strings.h. */
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#if STDC_HEADERS || HAVE_STRING_H
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# include <string.h>
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/* An ANSI string.h and pre-ANSI memory.h might conflict. */
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# if !STDC_HEADERS && HAVE_MEMORY_H
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# include <memory.h>
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# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
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#else /* not STDC_HEADERS and not HAVE_STRING_H */
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# endif
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#else
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# include <strings.h>
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/* memory.h and strings.h conflict on some systems. */
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# ifndef strchr
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# define strchr index
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# endif
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@ -1045,7 +1044,7 @@ Then, in the code, use a test like this:
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# ifndef memcmp
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# define memcmp(s1, s2, n) bcmp ((s1), (s2), (n))
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# endif
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#endif /* not STDC_HEADERS and not HAVE_STRING_H */
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#endif
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@end group
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@end example
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@ -1424,15 +1423,6 @@ macro calls @code{AC_STRUCT_TM} if it hasn't been called already.
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The following macros check for C compiler or machine architecture
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features:
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@defmac AC_C_ARG_ARRAY
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@maindex C_ARG_ARRAY
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@cvindex NO_ARG_ARRAY
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If the address of an argument to a C function can not be used like
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the start of an array, define @code{NO_ARG_ARRAY}. This ability allows
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a sequence of arguments with the same type to be accessed as if they
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were an array of values.
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@end defmac
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@defmac AC_C_BIGENDIAN
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@maindex C_BIGENDIAN
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@cvindex WORDS_BIGENDIAN
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@ -1991,7 +1981,8 @@ macro uses @code{CFLAGS} or @code{CXXFLAGS}, @code{CPPFLAGS},
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backquote substitutions are performed. If it compiles and links
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successfully and returns an exit status of 0 when executed, run shell
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commands @var{action-if-true}. Otherwise run shell commands
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@var{action-if-false}. This macro uses @code{CFLAGS} or
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@var{action-if-false}; the exit status of the program is available in
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the shell variable @samp{$?}. This macro uses @code{CFLAGS} or
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@code{CXXFLAGS}, @code{CPPFLAGS}, @code{LDFLAGS}, and @code{LIBS} when
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compiling.
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@ -2015,12 +2006,15 @@ future use (@pxref{Caching Values}, for more information).
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@defmac AC_CHECK_FUNC (@var{function}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
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@maindex CHECK_FUNC
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If @var{function} is available, run shell commands
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If C function @var{function} is available, run shell commands
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@var{action-if-found}, otherwise @var{action-if-not-found}. If the
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functions might be in libraries other than the default C library, first
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call @code{AC_CHECK_LIB} for those libraries. If you just want to
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define a symbol if the function is available, consider using
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@code{AC_CHECK_FUNCS} instead.
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@code{AC_CHECK_FUNCS} instead. This macro checks for functions with C
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linkage even when @code{AC_LANG_CPLUSPLUS} has been called, since C++ is
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more standardized than C is. (@pxref{Language Choice}, for more
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information about selecting the language for checks.)
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@end defmac
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@defmac AC_CHECK_FUNCS (@var{function}@dots{} @r{[}, @var{action}@r{]})
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@ -2983,13 +2977,23 @@ tests impossible. You do this by passing the optional last argument to
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@node Guidelines, Tricks, , Test Programs
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@subsection Guidelines for Test Programs
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Test programs should return 0 if the test succeeds, nonzero otherwise,
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so that success can be distinguished easily from a core dump or other
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failure; segmentation violations and other failures produce a nonzero
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exit status. Test programs should @code{exit}, not @code{return}, from
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@code{main}, because on some systems the argument to @code{return} in
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@code{main} is ignored. They should not write anything to the standard
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output.
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Test programs should not write anything to the standard output. They
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should return 0 if the test succeeds, nonzero otherwise, so that success
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can be distinguished easily from a core dump or other failure;
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segmentation violations and other failures produce a nonzero exit
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status. Test programs should @code{exit}, not @code{return}, from
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@code{main}, because on some systems (old Suns, at least) the argument
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to @code{return} in @code{main} is ignored. Functions that take
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arguments should have a prototype conditionalized for C++. In practice,
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test programs rarely need functions that take arguments.
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@example
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#ifdef __cplusplus
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foo(int i)
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#else
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foo(i) int i;
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#endif
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@end example
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Test programs can use @code{#if} or @code{#ifdef} to check the values of
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preprocessor macros defined by tests that have already run. For
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@ -3108,11 +3112,13 @@ By default, configure uses @file{./config.cache} as the cache file,
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creating it if it does not exist already. @code{configure} accepts the
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@samp{--cache-file=@var{file}} option to use a different cache file;
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that is what @code{configure} does when it calls @code{configure}
|
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scripts in subdirectories, so they share the cache. @xref{Setup}, for
|
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information on configuring subdirectories with the
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@code{AC_CONFIG_SUBDIRS} macro. @file{config.status} only pays
|
||||
attention to the cache file if it is given the @samp{--recheck} option,
|
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which makes it rerun @code{configure}.
|
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scripts in subdirectories, so they share the cache. Giving
|
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@samp{--cache-file=/dev/null} disables caching, for debugging
|
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@code{configure}. @xref{Setup}, for information on configuring
|
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subdirectories with the @code{AC_CONFIG_SUBDIRS} macro.
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@file{config.status} only pays attention to the cache file if it is
|
||||
given the @samp{--recheck} option, which makes it rerun
|
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@code{configure}.
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||||
It is wrong to try to distribute cache files for particular system types.
|
||||
There is too much room for error in doing that, and too much
|
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@ -3349,6 +3355,7 @@ stamp-h.in: configure.in aclocal.m4 acconfig.h config.h.top config.h.bot
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||||
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# config.status might not change config.h
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||||
# Don't rerun config.status if we just configured.
|
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# Use || so the command line always returns success.
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||||
config.h: stamp-h
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stamp-h: config.h.in config.status
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||||
test ! -f stamp-h || ./config.status
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||||
@ -3543,7 +3550,7 @@ for backward compatibility, the old names are considered obsolete.
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||||
@code{AC_FUNC_ALLOCA}
|
||||
@item AC_ARG_ARRAY
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||||
@maindex ARG_ARRAY
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||||
@code{AC_C_ARG_ARRAY}
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||||
removed because of limited usefulness
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||||
@item AC_CHAR_UNSIGNED
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||||
@maindex CHAR_UNSIGNED
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||||
@code{AC_C_CHAR_UNSIGNED}
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||||
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@ -6,8 +6,8 @@
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@c @setchapternewpage odd
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||||
@c %**end of header
|
||||
|
||||
@set EDITION 1.103
|
||||
@set VERSION 1.103
|
||||
@set EDITION 1.104
|
||||
@set VERSION 1.104
|
||||
@set UPDATED August 1994
|
||||
|
||||
@iftex
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||||
@ -954,26 +954,26 @@ something like the following, which assumes that you have also called
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@example
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@group
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#ifdef HAVE_UNISTD_H
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||||
#include <sys/types.h>
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||||
#include <unistd.h>
|
||||
# include <sys/types.h>
|
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# include <unistd.h>
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_DIRENT_H
|
||||
# include <dirent.h>
|
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# define NAMLEN(dirent) (strlen((dirent)->d_name))
|
||||
#else /* !HAVE_DIRENT_H */
|
||||
#else
|
||||
# define dirent direct
|
||||
# define NAMLEN(dirent) ((dirent)->d_namlen)
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# ifdef HAVE_SYS_NDIR_H
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||||
# include <sys/ndir.h>
|
||||
# endif /* HAVE_SYS_NDIR_H */
|
||||
# endif
|
||||
# ifdef HAVE_SYS_DIR_H
|
||||
# include <sys/dir.h>
|
||||
# endif /* HAVE_SYS_DIR_H */
|
||||
# endif
|
||||
# ifdef HAVE_NDIR_H
|
||||
# include <ndir.h>
|
||||
# endif /* HAVE_NDIR_H */
|
||||
#endif /* !HAVE_DIRENT_H */
|
||||
# endif
|
||||
#endif
|
||||
@end group
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||||
@end example
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||||
|
||||
@ -1024,15 +1024,14 @@ Then, in the code, use a test like this:
|
||||
|
||||
@example
|
||||
@group
|
||||
/* memory.h might conflict with an ANSI string.h, or strings.h. */
|
||||
#if STDC_HEADERS || HAVE_STRING_H
|
||||
# include <string.h>
|
||||
/* An ANSI string.h and pre-ANSI memory.h might conflict. */
|
||||
# if !STDC_HEADERS && HAVE_MEMORY_H
|
||||
# include <memory.h>
|
||||
# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
|
||||
#else /* not STDC_HEADERS and not HAVE_STRING_H */
|
||||
# endif
|
||||
#else
|
||||
# include <strings.h>
|
||||
/* memory.h and strings.h conflict on some systems. */
|
||||
# ifndef strchr
|
||||
# define strchr index
|
||||
# endif
|
||||
@ -1045,7 +1044,7 @@ Then, in the code, use a test like this:
|
||||
# ifndef memcmp
|
||||
# define memcmp(s1, s2, n) bcmp ((s1), (s2), (n))
|
||||
# endif
|
||||
#endif /* not STDC_HEADERS and not HAVE_STRING_H */
|
||||
#endif
|
||||
@end group
|
||||
@end example
|
||||
|
||||
@ -1424,15 +1423,6 @@ macro calls @code{AC_STRUCT_TM} if it hasn't been called already.
|
||||
The following macros check for C compiler or machine architecture
|
||||
features:
|
||||
|
||||
@defmac AC_C_ARG_ARRAY
|
||||
@maindex C_ARG_ARRAY
|
||||
@cvindex 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
|
||||
a sequence of arguments with the same type to be accessed as if they
|
||||
were an array of values.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_BIGENDIAN
|
||||
@maindex C_BIGENDIAN
|
||||
@cvindex WORDS_BIGENDIAN
|
||||
@ -1991,7 +1981,8 @@ macro uses @code{CFLAGS} or @code{CXXFLAGS}, @code{CPPFLAGS},
|
||||
backquote substitutions are performed. If it compiles and links
|
||||
successfully and returns an exit status of 0 when executed, run shell
|
||||
commands @var{action-if-true}. Otherwise run shell commands
|
||||
@var{action-if-false}. This macro uses @code{CFLAGS} or
|
||||
@var{action-if-false}; the exit status of the program is available in
|
||||
the shell variable @samp{$?}. This macro uses @code{CFLAGS} or
|
||||
@code{CXXFLAGS}, @code{CPPFLAGS}, @code{LDFLAGS}, and @code{LIBS} when
|
||||
compiling.
|
||||
|
||||
@ -2015,12 +2006,15 @@ future use (@pxref{Caching Values}, for more information).
|
||||
|
||||
@defmac AC_CHECK_FUNC (@var{function}, @var{action-if-found} @r{[}, @var{action-if-not-found}@r{]})
|
||||
@maindex CHECK_FUNC
|
||||
If @var{function} is available, run shell commands
|
||||
If C function @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
|
||||
call @code{AC_CHECK_LIB} for those libraries. If you just want to
|
||||
define a symbol if the function is available, consider using
|
||||
@code{AC_CHECK_FUNCS} instead.
|
||||
@code{AC_CHECK_FUNCS} instead. This macro checks for functions with C
|
||||
linkage even when @code{AC_LANG_CPLUSPLUS} has been called, since C++ is
|
||||
more standardized than C is. (@pxref{Language Choice}, for more
|
||||
information about selecting the language for checks.)
|
||||
@end defmac
|
||||
|
||||
@defmac AC_CHECK_FUNCS (@var{function}@dots{} @r{[}, @var{action}@r{]})
|
||||
@ -2983,13 +2977,23 @@ tests impossible. You do this by passing the optional last argument to
|
||||
@node Guidelines, Tricks, , Test Programs
|
||||
@subsection Guidelines for Test Programs
|
||||
|
||||
Test programs should return 0 if the test succeeds, nonzero otherwise,
|
||||
so that success can be distinguished easily from a core dump or other
|
||||
failure; segmentation violations and other failures produce a nonzero
|
||||
exit status. Test programs should @code{exit}, not @code{return}, from
|
||||
@code{main}, because on some systems the argument to @code{return} in
|
||||
@code{main} is ignored. They should not write anything to the standard
|
||||
output.
|
||||
Test programs should not write anything to the standard output. They
|
||||
should return 0 if the test succeeds, nonzero otherwise, so that success
|
||||
can be distinguished easily from a core dump or other failure;
|
||||
segmentation violations and other failures produce a nonzero exit
|
||||
status. Test programs should @code{exit}, not @code{return}, from
|
||||
@code{main}, because on some systems (old Suns, at least) the argument
|
||||
to @code{return} in @code{main} is ignored. Functions that take
|
||||
arguments should have a prototype conditionalized for C++. In practice,
|
||||
test programs rarely need functions that take arguments.
|
||||
|
||||
@example
|
||||
#ifdef __cplusplus
|
||||
foo(int i)
|
||||
#else
|
||||
foo(i) int i;
|
||||
#endif
|
||||
@end example
|
||||
|
||||
Test programs can use @code{#if} or @code{#ifdef} to check the values of
|
||||
preprocessor macros defined by tests that have already run. For
|
||||
@ -3108,11 +3112,13 @@ By default, configure uses @file{./config.cache} as the cache file,
|
||||
creating it if it does not exist already. @code{configure} accepts the
|
||||
@samp{--cache-file=@var{file}} option to use a different cache file;
|
||||
that is what @code{configure} does when it calls @code{configure}
|
||||
scripts in subdirectories, so they share the cache. @xref{Setup}, for
|
||||
information on configuring subdirectories with the
|
||||
@code{AC_CONFIG_SUBDIRS} macro. @file{config.status} only pays
|
||||
attention to the cache file if it is given the @samp{--recheck} option,
|
||||
which makes it rerun @code{configure}.
|
||||
scripts in subdirectories, so they share the cache. Giving
|
||||
@samp{--cache-file=/dev/null} disables caching, for debugging
|
||||
@code{configure}. @xref{Setup}, for information on configuring
|
||||
subdirectories with the @code{AC_CONFIG_SUBDIRS} macro.
|
||||
@file{config.status} only pays attention to the cache file if it is
|
||||
given the @samp{--recheck} option, which makes it rerun
|
||||
@code{configure}.
|
||||
|
||||
It is wrong to try to distribute cache files for particular system types.
|
||||
There is too much room for error in doing that, and too much
|
||||
@ -3349,6 +3355,7 @@ stamp-h.in: configure.in aclocal.m4 acconfig.h config.h.top config.h.bot
|
||||
|
||||
# config.status might not change config.h
|
||||
# Don't rerun config.status if we just configured.
|
||||
# Use || so the command line always returns success.
|
||||
config.h: stamp-h
|
||||
stamp-h: config.h.in config.status
|
||||
test ! -f stamp-h || ./config.status
|
||||
@ -3543,7 +3550,7 @@ for backward compatibility, the old names are considered obsolete.
|
||||
@code{AC_FUNC_ALLOCA}
|
||||
@item AC_ARG_ARRAY
|
||||
@maindex ARG_ARRAY
|
||||
@code{AC_C_ARG_ARRAY}
|
||||
removed because of limited usefulness
|
||||
@item AC_CHAR_UNSIGNED
|
||||
@maindex CHAR_UNSIGNED
|
||||
@code{AC_C_CHAR_UNSIGNED}
|
||||
|
||||
@ -35,7 +35,7 @@ Install it before installing Autoconf or set the
|
||||
M4 environment variable to its path name.
|
||||
)m4exit(2)])dnl
|
||||
dnl
|
||||
define(AC_ACVERSION, 1.103)dnl
|
||||
define(AC_ACVERSION, 1.104)dnl
|
||||
dnl This is defined by the --version option of the autoconf script.
|
||||
ifdef([AC_PRINT_VERSION], [Autoconf version AC_ACVERSION
|
||||
m4exit(0)])dnl
|
||||
@ -84,9 +84,7 @@ ac_help=])dnl
|
||||
dnl
|
||||
dnl AC_INIT_PARSE_ARGS()
|
||||
AC_DEFUN(AC_INIT_PARSE_ARGS,
|
||||
[AC_BEFORE([$0], [AC_ARG_ENABLE])dnl
|
||||
AC_BEFORE([$0], [AC_ARG_WITH])dnl
|
||||
# Save the original args to write them into config.status later.
|
||||
[# Save the original args to write them into config.status later.
|
||||
configure_args="[$]@"
|
||||
|
||||
# Omit some internal, obsolete, or unimplemented options to make the
|
||||
@ -381,13 +379,7 @@ divert(AC_DIVERSION_NORMAL)dnl
|
||||
dnl
|
||||
dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
|
||||
AC_DEFUN(AC_INIT_PREPARE,
|
||||
[AC_BEFORE([$0], [AC_ARG_ENABLE])dnl
|
||||
AC_BEFORE([$0], [AC_ARG_WITH])dnl
|
||||
AC_BEFORE([$0], [AC_CONFIG_HEADER])dnl
|
||||
AC_BEFORE([$0], [AC_REVISION])dnl
|
||||
AC_BEFORE([$0], [AC_PREREQ])dnl
|
||||
dnl AC_BEFORE([$0], [AC_CONFIG_SUBDIRS])dnl
|
||||
trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
|
||||
[trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
|
||||
trap 'rm -fr confdefs* $ac_clean_files' 0
|
||||
|
||||
# File descriptor usage:
|
||||
@ -1139,12 +1131,15 @@ dnl
|
||||
dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
|
||||
dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
|
||||
AC_DEFUN(AC_TRY_LINK,
|
||||
[dnl We use return because because C++ requires a prototype for exit.
|
||||
cat > conftest.${ac_ext} <<EOF
|
||||
[cat > conftest.${ac_ext} <<EOF
|
||||
dnl This sometimes fails to find confdefs.h, for some reason.
|
||||
dnl [#]line __LINE__ "[$]0"
|
||||
#line __LINE__ "configure"
|
||||
#include "confdefs.h"
|
||||
ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
|
||||
extern "C" void exit(int);
|
||||
#endif
|
||||
])dnl
|
||||
[$1]
|
||||
int main() { return 0; }
|
||||
int t() {
|
||||
@ -1175,6 +1170,10 @@ else
|
||||
cat > conftest.${ac_ext} <<EOF
|
||||
#line __LINE__ "configure"
|
||||
#include "confdefs.h"
|
||||
ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
|
||||
extern "C" void exit(int);
|
||||
#endif
|
||||
])dnl
|
||||
[$1]
|
||||
EOF
|
||||
eval $ac_compile
|
||||
@ -1243,7 +1242,11 @@ AC_CACHE_VAL(ac_cv_func_$1,
|
||||
choke me
|
||||
#else
|
||||
/* Override any gcc2 internal prototype to avoid an error. */
|
||||
extern char $1(); $1();
|
||||
]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
])dnl
|
||||
[char $1(); $1();
|
||||
#endif
|
||||
], eval "ac_cv_func_$1=yes", eval "ac_cv_func_$1=no")])dnl
|
||||
if eval "test \"`echo '$ac_cv_func_'$1`\" = yes"; then
|
||||
|
||||
@ -702,7 +702,12 @@ AC_TRY_RUN([/* Thanks to Paul Eggert for this test. */
|
||||
Test for this by using a static variable whose address
|
||||
is put into a register that is clobbered by the vfork. */
|
||||
static
|
||||
sparc_address_test (arg) int arg; {
|
||||
#ifdef __cplusplus
|
||||
sparc_address_test (int arg)
|
||||
#else
|
||||
sparc_address_test (arg) int arg;
|
||||
#endif
|
||||
{
|
||||
static pid_t child;
|
||||
if (!child) {
|
||||
child = vfork ();
|
||||
@ -1248,27 +1253,6 @@ if test $ac_cv_c_bigendian = yes; then
|
||||
fi
|
||||
])dnl
|
||||
dnl
|
||||
AC_DEFUN(AC_C_ARG_ARRAY,
|
||||
[AC_MSG_CHECKING(whether the address of an argument can be used as an array)
|
||||
AC_CACHE_VAL(ac_cv_c_arg_array,
|
||||
[AC_TRY_RUN([main() {
|
||||
/* Return 0 iff arg arrays are ok. */
|
||||
exit(!x(1, 2, 3, 4));
|
||||
}
|
||||
x(a, b, c, d) {
|
||||
return y(a, &b);
|
||||
}
|
||||
/* Return 1 iff arg arrays are ok. */
|
||||
y(a, b) int *b; {
|
||||
return a == 1 && b[0] == 2 && b[1] == 3 && b[2] == 4;
|
||||
}], ac_cv_c_arg_array=no, ac_cv_c_arg_array=yes)
|
||||
rm -f core])dnl
|
||||
AC_MSG_RESULT($ac_cv_c_arg_array)
|
||||
if test $ac_cv_c_arg_array = no; then
|
||||
AC_DEFINE(NO_ARG_ARRAY)
|
||||
fi
|
||||
])dnl
|
||||
dnl
|
||||
AC_DEFUN(AC_C_INLINE,
|
||||
[AC_REQUIRE([AC_PROG_CC])dnl
|
||||
AC_MSG_CHECKING([for inline])
|
||||
@ -1610,7 +1594,15 @@ else
|
||||
fi
|
||||
fi
|
||||
|
||||
# Check for additional X libraries.
|
||||
# Check for libraries that R6 introduced. Xt/Xaw programs need these.
|
||||
|
||||
ac_save_LDFLAGS="$LDFLAGS"
|
||||
LDFLAGS="$LDFLAGS -L$x_libraries"
|
||||
AC_HAVE_LIBRARY(ICE, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lICE"])
|
||||
AC_HAVE_LIBRARY(SM, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lSM"])
|
||||
LDFLAGS="$ac_save_LDFLAGS"
|
||||
|
||||
# Check for system-dependent libraries X programs must link with.
|
||||
|
||||
if test "$ISC" = yes; then
|
||||
X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
|
||||
@ -1624,6 +1616,12 @@ else
|
||||
AC_CHECK_LIB(dnet_stub, dnet_ntoa,
|
||||
[X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"])
|
||||
fi
|
||||
|
||||
# msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT.
|
||||
# Not sure which flavor of 386 Unix this is, but it seems harmless to
|
||||
# check for it.
|
||||
AC_HAVE_LIBRARY(nsl, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"])
|
||||
|
||||
# lieder@skyler.mavd.honeywell.com says without -lsocket,
|
||||
# socket/setsockopt and other routines are undefined under SCO ODT 2.0.
|
||||
# But -lsocket is broken on IRIX, according to simon@lia.di.epfl.ch.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user