* lib/autoconf/functions.m4: Use the default includes so that

memcmp be declared before being tested.
Reported by Sander Niemeijer.
(AC_FUNC_ERROR_AT_LINE, AC_FUNC_GETGROUPS, AC_FUNC_STRNLEN): Likewise.
* doc/autoconf.texi (Default Includes): Document
AC_INCLUDES_DEFAULT.
This commit is contained in:
Akim Demaille 2003-05-17 10:30:07 +00:00
parent d8711f0660
commit b44e483cec
5 changed files with 395 additions and 379 deletions

View File

@ -1,3 +1,12 @@
2003-05-17 Akim Demaille <akim@epita.fr>
* lib/autoconf/functions.m4: Use the default includes so that
memcmp be declared before being tested.
Reported by Sander Niemeijer.
(AC_FUNC_ERROR_AT_LINE, AC_FUNC_GETGROUPS, AC_FUNC_STRNLEN): Likewise.
* doc/autoconf.texi (Default Includes): Document
AC_INCLUDES_DEFAULT.
2003-05-17 Akim Demaille <akim@epita.fr>
* lib/autoconf/specific.m4: Include signal.h and unistd.h.

2
NEWS
View File

@ -1,7 +1,7 @@
* Major changes in Autoconf 2.57a -*- outline -*-
** New macros
AC_C_RESTRICT
AC_C_RESTRICT, AC_INCLUDES_DEFAULT.
** AC_DECL_SYS_SIGLIST
Works again.

1
THANKS
View File

@ -171,6 +171,7 @@ Ruediger Kuhlmann uck4@rz.uni-karlsruhe.de
Russ Allbery rra@stanford.edu
Ryuji Abe raeva@t3.rim.or.jp
Sam Varshavchik mrsam@courier-mta.com
Sander Niemeijer niemeijer@science-and-technology.nl
Scott Bambrough scottb@corelcomputer.com
Scott Stanton stanton@scriptics.com
Simon Leinen simon@lia.di.epfl.ch

View File

@ -208,19 +208,19 @@ published by the Free Software Foundation raise funds for
@dircategory Individual utilities
@direntry
* autoscan: (autoconf)autoscan Invocation.
Semi-automatic @file{configure.ac} writing
Semi-automatic @file{configure.ac} writing
* ifnames: (autoconf)ifnames Invocation. Listing conditionals in source.
* autoconf: (autoconf)autoconf Invocation.
How to create configuration scripts
How to create configuration scripts
* autoreconf: (autoconf)autoreconf Invocation.
Remaking multiple @command{configure} scripts
Remaking multiple @command{configure} scripts
* autoheader: (autoconf)autoheader Invocation.
How to create configuration templates
How to create configuration templates
* autom4te: (autoconf)autom4te Invocation.
The Autoconf executables backbone
The Autoconf executables backbone
* configure: (autoconf)configure Invocation. Configuring a package.
* autoupdate: (autoconf)autoupdate Invocation.
Automatic update of @file{configure.ac}
Automatic update of @file{configure.ac}
* config.status: (autoconf)config.status Invocation. Recreating configurations.
* testsuite: (autoconf)testsuite Invocation. Running an Autotest test suite.
@end direntry
@ -870,9 +870,9 @@ your source files --> [autoscan*] --> [configure.scan] --> configure.ac
@group
configure.ac --.
| .------> autoconf* -----> configure
| .------> autoconf* -----> configure
[aclocal.m4] --+---+
| `-----> [autoheader*] --> [config.h.in]
| `-----> [autoheader*] --> [config.h.in]
[acsite.m4] ---'
@end group
@ -883,11 +883,11 @@ Makefile.in -------------------------------> Makefile.in
Files used in configuring a software package:
@example
@group
.-------------> [config.cache]
.-------------> [config.cache]
configure* ------------+-------------> config.log
|
|
[config.h.in] -. v .-> [config.h] -.
+--> config.status* -+ +--> make*
+--> config.status* -+ +--> make*
Makefile.in ---' `-> Makefile ---'
@end group
@end example
@ -997,8 +997,8 @@ For instance:
@example
AC_CHECK_HEADER([stdio.h],
[AC_DEFINE([HAVE_STDIO_H])],
[AC_MSG_ERROR([Sorry, can't do anything for you])])
[AC_DEFINE([HAVE_STDIO_H])],
[AC_MSG_ERROR([Sorry, can't do anything for you])])
@end example
@noindent
@ -1006,8 +1006,8 @@ is quoted properly. You may safely simplify its quotation to:
@example
AC_CHECK_HEADER(stdio.h,
[AC_DEFINE(HAVE_STDIO_H)],
[AC_MSG_ERROR([Sorry, can't do anything for you])])
[AC_DEFINE(HAVE_STDIO_H)],
[AC_MSG_ERROR([Sorry, can't do anything for you])])
@end example
@noindent
@ -1018,8 +1018,8 @@ The following example is wrong and dangerous, as it is underquoted:
@example
AC_CHECK_HEADER(stdio.h,
AC_DEFINE(HAVE_STDIO_H),
AC_MSG_ERROR([Sorry, can't do anything for you]))
AC_DEFINE(HAVE_STDIO_H),
AC_MSG_ERROR([Sorry, can't do anything for you]))
@end example
In other cases, you may have to use text that also resembles a macro
@ -1981,7 +1981,7 @@ colon-separated list of input files. Examples:
@example
AC_CONFIG_FILES([Makefile:boiler/top.mk:boiler/bot.mk]
[lib/Makefile:boiler/lib.mk])
[lib/Makefile:boiler/lib.mk])
@end example
@noindent
@ -2319,24 +2319,24 @@ Makefile snippet similar to:
@example
@group
edit = sed \
-e 's,@@datadir\@@,$(pkgdatadir),g' \
-e 's,@@prefix\@@,$(prefix),g'
-e 's,@@datadir\@@,$(pkgdatadir),g' \
-e 's,@@prefix\@@,$(prefix),g'
@end group
@group
autoconf: Makefile $(srcdir)/autoconf.in
rm -f autoconf autoconf.tmp
$(edit) $(srcdir)/autoconf.in >autoconf.tmp
chmod +x autoconf.tmp
mv autoconf.tmp autoconf
rm -f autoconf autoconf.tmp
$(edit) $(srcdir)/autoconf.in >autoconf.tmp
chmod +x autoconf.tmp
mv autoconf.tmp autoconf
@end group
@group
autoheader: Makefile $(srcdir)/autoheader.in
rm -f autoheader autoheader.tmp
$(edit) $(srcdir)/autoconf.in >autoheader.tmp
chmod +x autoheader.tmp
mv autoheader.tmp autoheader
rm -f autoheader autoheader.tmp
$(edit) $(srcdir)/autoconf.in >autoheader.tmp
chmod +x autoheader.tmp
mv autoheader.tmp autoheader
@end group
@end example
@ -2369,10 +2369,10 @@ as:
autoconf autoheader: Makefile
@group
.in:
rm -f $@@ $@@.tmp
$(edit) $< >$@@.tmp
chmod +x $@@.tmp
mv $@@.tmp $@@
rm -f $@@ $@@.tmp
$(edit) $< >$@@.tmp
chmod +x $@@.tmp
mv $@@.tmp $@@
@end group
@end example
@ -2424,7 +2424,7 @@ files by prefixing them with @samp{$(srcdir)/}. For example:
@example
time.info: time.texinfo
$(MAKEINFO) $(srcdir)/time.texinfo
$(MAKEINFO) $(srcdir)/time.texinfo
@end example
@node Automatic Remaking
@ -2453,23 +2453,23 @@ conflicts etc.).
@example
@group
$(srcdir)/configure: configure.ac aclocal.m4
cd $(srcdir) && autoconf
cd $(srcdir) && autoconf
# autoheader might not change config.h.in, so touch a stamp file.
$(srcdir)/config.h.in: stamp-h.in
$(srcdir)/stamp-h.in: configure.ac aclocal.m4
cd $(srcdir) && autoheader
echo timestamp > $(srcdir)/stamp-h.in
cd $(srcdir) && autoheader
echo timestamp > $(srcdir)/stamp-h.in
config.h: stamp-h
stamp-h: config.h.in config.status
./config.status
./config.status
Makefile: Makefile.in config.status
./config.status
./config.status
config.status: configure
./config.status --recheck
./config.status --recheck
@end group
@end example
@ -2745,10 +2745,10 @@ For example:
@example
AH_TEMPLATE([CRAY_STACKSEG_END],
[Define to one of _getb67, GETB67, getb67
for Cray-2 and Cray-YMP systems. This
function is required for alloca.c support
on those systems.])
[Define to one of _getb67, GETB67, getb67
for Cray-2 and Cray-YMP systems. This
function is required for alloca.c support
on those systems.])
@end example
@noindent
@ -2798,8 +2798,8 @@ Here is an unrealistic example:
@example
fubar=42
AC_CONFIG_COMMANDS([fubar],
[echo this is extra $fubar, and so on.],
[fubar=$fubar])
[echo this is extra $fubar, and so on.],
[fubar=$fubar])
@end example
Here is a better one:
@ -2843,7 +2843,7 @@ For example, this call:
@example
AC_CONFIG_LINKS(host.h:config/$machine.h
object.h:config/$obj_format.h)
object.h:config/$obj_format.h)
@end example
@noindent
@ -3077,7 +3077,12 @@ Unless you know exactly what you are doing, you should avoid using
unconditional includes, and check the existence of the headers you
include beforehand (@pxref{Header Files}).
Most generic macros provide the following default set of includes:
Most generic macros use the following macro to provide the default set
of includes:
@defmac AC_DEFAULT_INCLUDES (@ovar{include-directives})
@acindex{DEFAULT_INCLUDES}
Expand to @var{include-directives} if defined, otherwise to:
@example
@group
@ -3118,15 +3123,15 @@ Most generic macros provide the following default set of includes:
@end group
@end example
If the default includes are used, then Autoconf will automatically check
for the presence of these headers and their compatibility, i.e., you
don't need to run @code{AC_HEADERS_STDC}, nor check for @file{stdlib.h}
etc.
If the default includes are used, then check for the presence of these
headers and their compatibility, i.e., you don't need to run
@code{AC_HEADERS_STDC}, nor check for @file{stdlib.h} etc.
These headers are checked for in the same order as they are included.
For instance, on some systems @file{string.h} and @file{strings.h} both
exist, but conflict. Then @code{HAVE_STRING_H} will be defined, but
@code{HAVE_STRINGS_H} won't.
@end defmac
@node Alternative Programs
@section Alternative Programs
@ -3307,7 +3312,7 @@ instead, like this:
@example
AC_PATH_PROG([INETD], [inetd], [/usr/libexec/inetd],
[$PATH:/usr/libexec:/usr/sbin:/usr/etc:etc])
[$PATH:/usr/libexec:/usr/sbin:/usr/etc:etc])
@end example
You are strongly encouraged to declare the @var{variable} passed to
@ -4837,8 +4842,8 @@ If no @var{includes} are specified, the default includes are used
@example
AC_CHECK_MEMBER(struct passwd.pw_gecos,,
[AC_MSG_ERROR([We need `passwd.pw_gecos'!])],
[#include <pwd.h>])
[AC_MSG_ERROR([We need `passwd.pw_gecos'!])],
[#include <pwd.h>])
@end example
You can use this macro for sub-members:
@ -6068,7 +6073,7 @@ AC_INIT(Autoconf Documentation, @value{VERSION}, bug-autoconf@@gnu.org)
AC_DEFINE([HELLO_WORLD], ["Hello, World\n"])
AC_LANG_CONFTEST(
[AC_LANG_PROGRAM([[const char hw[] = "Hello, World\n";]],
[[fputs (hw, stdout);]])])
[[fputs (hw, stdout);]])])
gcc -E -dD conftest.c -o -
@end example
@ -6160,7 +6165,7 @@ AC_INIT(Autoconf Documentation, @value{VERSION}, bug-autoconf@@gnu.org)
AC_DEFINE([HELLO_WORLD], ["Hello, World\n"])
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([[const char hw[] = "Hello, World\n";]],
[[fputs (hw, stdout);]])],
[[fputs (hw, stdout);]])],
[AC_MSG_RESULT([OK])],
[AC_MSG_FAILURE([unexpected preprocessor failure])])
@end example
@ -6415,16 +6420,16 @@ fstype=no
# The order of these tests is important.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/statvfs.h>
#include <sys/fstyp.h>]])],
[AC_DEFINE(FSTYPE_STATVFS) fstype=SVR4])
[AC_DEFINE(FSTYPE_STATVFS) fstype=SVR4])
if test $fstype = no; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/statfs.h>
#include <sys/fstyp.h>]])],
[AC_DEFINE(FSTYPE_USG_STATFS) fstype=SVR3])
[AC_DEFINE(FSTYPE_USG_STATFS) fstype=SVR3])
fi
if test $fstype = no; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/statfs.h>
#include <sys/vmount.h>]])]),
[AC_DEFINE(FSTYPE_AIX_STATFS) fstype=AIX])
[AC_DEFINE(FSTYPE_AIX_STATFS) fstype=AIX])
fi
# (more cases omitted here)
AC_MSG_RESULT([$fstype])
@ -6721,12 +6726,12 @@ instance, the following macro is broken:
@group
AC_DEFUN([AC_SHELL_TRUE],
[AC_CACHE_CHECK([whether true(1) works], [ac_cv_shell_true_works],
[ac_cv_shell_true_works=no
true && ac_cv_shell_true_works=yes
if test $ac_cv_shell_true_works = yes; then
AC_DEFINE([TRUE_WORKS], 1
[Define if `true(1)' works properly.])
fi])
[ac_cv_shell_true_works=no
true && ac_cv_shell_true_works=yes
if test $ac_cv_shell_true_works = yes; then
AC_DEFINE([TRUE_WORKS], 1
[Define if `true(1)' works properly.])
fi])
])
@end group
@end example
@ -6740,11 +6745,11 @@ is:
@group
AC_DEFUN([AC_SHELL_TRUE],
[AC_CACHE_CHECK([whether true(1) works], [ac_cv_shell_true_works],
[ac_cv_shell_true_works=no
true && ac_cv_shell_true_works=yes])
[ac_cv_shell_true_works=no
true && ac_cv_shell_true_works=yes])
if test $ac_cv_shell_true_works = yes; then
AC_DEFINE([TRUE_WORKS], 1
[Define if `true(1)' works properly.])
[Define if `true(1)' works properly.])
fi
])
@end group
@ -7454,9 +7459,9 @@ AC_TRY_LINK(
#ifndef tzname /* For SGI. */
extern char *tzname[]; /* RS6000 and others reject char **tzname. */
#endif],
[atoi (*tzname);],
[ac_cv_var_tzname=yes],
[ac_cv_var_tzname=no])
[atoi (*tzname);],
[ac_cv_var_tzname=yes],
[ac_cv_var_tzname=no])
@end example
@noindent
@ -7490,9 +7495,9 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM(
#ifndef tzname /* For SGI. */
extern char *tzname[]; /* RS6000 and others reject char **tzname. */
#endif]],
[atoi (*tzname);])],
[ac_cv_var_tzname=yes],
[ac_cv_var_tzname=no])
[atoi (*tzname);])],
[ac_cv_var_tzname=yes],
[ac_cv_var_tzname=no])
@end example
@xref{Quadrigraphs}, for what to do if you run into a hopeless case
@ -8538,8 +8543,8 @@ write
@example
AC_CACHE_CHECK([for EMX OS/2 environment], [ac_cv_emxos2],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return __EMX__;])],
[ac_cv_emxos2=yes],
[ac_cv_emxos2=no])])
[ac_cv_emxos2=yes],
[ac_cv_emxos2=no])])
@end example
@noindent
@ -8547,11 +8552,11 @@ or even
@example
AC_CACHE_CHECK([for EMX OS/2 environment],
[ac_cv_emxos2],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[return __EMX__;])],
[ac_cv_emxos2=yes],
[ac_cv_emxos2=no])])
[ac_cv_emxos2],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[return __EMX__;])],
[ac_cv_emxos2=yes],
[ac_cv_emxos2=no])])
@end example
When using @code{AC_RUN_IFELSE} or any macro that cannot work when
@ -8674,8 +8679,8 @@ and the new way:
m4_define([_AC_EMXOS2],
[AC_CACHE_CHECK([for EMX OS/2 environment], [ac_cv_emxos2],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return __EMX__;])],
[ac_cv_emxos2=yes],
[ac_cv_emxos2=no])])
[ac_cv_emxos2=yes],
[ac_cv_emxos2=no])])
test "$ac_cv_emxos2" = yes && EMXOS2=yes[]dnl
])# _AC_EMXOS2
@end example
@ -10268,11 +10273,11 @@ Don't leave white spaces before the parentheses in user functions calls;
@example
$ @kbd{gawk 'function die () @{ print "Aaaaarg!" @}
BEGIN @{ die () @}'}
BEGIN @{ die () @}'}
gawk: cmd. line:2: BEGIN @{ die () @}
gawk: cmd. line:2: ^ parse error
$ @kbd{gawk 'function die () @{ print "Aaaaarg!" @}
BEGIN @{ die() @}'}
BEGIN @{ die() @}'}
Aaaaarg!
@end example
@ -10931,8 +10936,8 @@ FOO = one \
BAR = two
test:
: FOO is "$(FOO)"
: BAR is "$(BAR)"
: FOO is "$(FOO)"
: BAR is "$(BAR)"
@end example
@noindent
@ -10952,7 +10957,7 @@ and continue until an unescaped newline is reached.
baz
all:
@@echo ok
@@echo ok
% @kbd{make} # GNU make
ok
@end example
@ -10990,10 +10995,10 @@ will not pass the substitution along to sub-@command{make}s.
% @kbd{cat Makefile}
foo = foo
one:
@@echo $(foo)
$(MAKE) two
@@echo $(foo)
$(MAKE) two
two:
@@echo $(foo)
@@echo $(foo)
% @kbd{make foo=bar} # GNU make 3.79.1
bar
make two
@ -11038,10 +11043,10 @@ manually, from your @file{Makefile}:
@example
foo = foo
one:
@@echo $(foo)
$(MAKE) foo=$(foo) two
@@echo $(foo)
$(MAKE) foo=$(foo) two
two:
@@echo $(foo)
@@echo $(foo)
@end example
You need to foresee all macros that a user might want to override if
@ -11079,8 +11084,8 @@ protect @code{SHELL}, since it doesn't use it.
SHELL = /bin/sh
FOO = foo
all:
@@echo $(SHELL)
@@echo $(FOO)
@@echo $(SHELL)
@@echo $(FOO)
% @kbd{env SHELL=/bin/tcsh FOO=bar make -e} # OSF1 V4.0 Make
/bin/tcsh
bar
@ -11102,7 +11107,7 @@ The @command{make} from Tru64 Unix V5.1 is one of them. The following
@example
all:
# foo
# foo
@end example
@item The @file{obj/} subdirectory.
@ -11119,10 +11124,10 @@ current directory will not be read.
@example
% @kbd{cat Makefile}
all:
echo Hello
echo Hello
% @kbd{cat obj/Makefile}
all:
echo World
echo World
% @kbd{make} # GNU make
echo Hello
Hello
@ -11141,7 +11146,7 @@ implementations always succeed.
@example
% @kbd{cat Makefile}
all:
false
false
% @kbd{make -k; echo exit status: $?} # GNU make
false
make: *** [all] Error 1
@ -11191,7 +11196,7 @@ whole thing manually. For instance, using the following pattern:
@example
VPATH = ../src
foo.o: foo.c
cc -c `test -f foo.c || echo ../src/`foo.c -o foo.o
cc -c `test -f foo.c || echo ../src/`foo.c -o foo.o
@end example
@item Automatic rule rewriting
@ -11207,7 +11212,7 @@ For instance
@example
VPATH = ../src
foo.o: foo.c
cc -c foo.c -o foo.o
cc -c foo.c -o foo.o
@end example
@noindent
@ -11220,7 +11225,7 @@ rely on this, and we have to search @code{VPATH} manually:
@example
VPATH = ../src
foo.o: foo.c
cc -c `test -f foo.c || echo ../src/`foo.c -o foo.o
cc -c `test -f foo.c || echo ../src/`foo.c -o foo.o
@end example
@noindent
@ -11247,11 +11252,11 @@ in the rule. For instance these three rules would be safe.
@example
VPATH = ../src
foo.o: foo.c
cc -c `test -f ./foo.c || echo ../src/`foo.c -o foo.o
cc -c `test -f ./foo.c || echo ../src/`foo.c -o foo.o
foo2.o: foo2.c
cc -c `test -f 'foo2.c' || echo ../src/`foo2.c -o foo2.o
cc -c `test -f 'foo2.c' || echo ../src/`foo2.c -o foo2.o
foo3.o: foo3.c
cc -c `test -f "foo3.c" || echo ../src/`foo3.c -o foo3.o
cc -c `test -f "foo3.c" || echo ../src/`foo3.c -o foo3.o
@end example
Things get worse when your prerequisites are in a macro.
@ -11260,10 +11265,10 @@ Things get worse when your prerequisites are in a macro.
VPATH = ../src
HEADERS = foo.h foo2.h foo3.h
install-HEADERS: $(HEADERS)
for i in $(HEADERS); do \
$(INSTALL) -m 644 `test -f $$i || echo ../src/`$$i \
$(DESTDIR)$(includedir)/$$i; \
done
for i in $(HEADERS); do \
$(INSTALL) -m 644 `test -f $$i || echo ../src/`$$i \
$(DESTDIR)$(includedir)/$$i; \
done
@end example
The above @code{install-HEADERS} rule is not SunOS-proof because @code{for
@ -11302,10 +11307,10 @@ Trying to quote @code{$(HEADERS)} in some way, as we did for
@example
install-HEADERS: $(HEADERS)
headers='$(HEADERS)'; for i in $$headers; do \
$(INSTALL) -m 644 `test -f $$i || echo ../src/`$$i \
$(DESTDIR)$(includedir)/$$i; \
done
headers='$(HEADERS)'; for i in $$headers; do \
$(INSTALL) -m 644 `test -f $$i || echo ../src/`$$i \
$(DESTDIR)$(includedir)/$$i; \
done
@end example
Indeed, @code{headers='$(HEADERS)'} expands to @code{headers='foo.h
@ -11319,11 +11324,11 @@ One workaround is to strip this unwanted @file{../src/} prefix manually:
VPATH = ../src
HEADERS = foo.h foo2.h foo3.h
install-HEADERS: $(HEADERS)
headers='$(HEADERS)'; for i in $$headers; do \
i=`expr "$$i" : '../src/\(.*\)'`;
$(INSTALL) -m 644 `test -f $$i || echo ../src/`$$i \
$(DESTDIR)$(includedir)/$$i; \
done
headers='$(HEADERS)'; for i in $$headers; do \
i=`expr "$$i" : '../src/\(.*\)'`;
$(INSTALL) -m 644 `test -f $$i || echo ../src/`$$i \
$(DESTDIR)$(includedir)/$$i; \
done
@end example
Automake does something similar.
@ -11353,7 +11358,7 @@ search as presented before.
@example
VPATH = ..
all : foo/bar
command `test -d foo/bar || echo ../`foo/bar
command `test -d foo/bar || echo ../`foo/bar
@end example
The above @command{command} will be run on the empty @file{foo/bar}
@ -11394,7 +11399,7 @@ update existing files in the source directory.
VPATH = ..
all: foo.x bar.x
foo.x bar.x: newer.x
@@echo Building $@@
@@echo Building $@@
% @kbd{touch ../bar.x}
% @kbd{touch ../newer.x}
% @kbd{make} # GNU make
@ -11441,10 +11446,10 @@ the @code{bar.x: newer.x} rule.
VPATH = ..
all: bar.y
bar.x: newer.x
@@echo Building $@@
@@echo Building $@@
.SUFFIXES: .x .y
.x.y:
cp $< $@@
cp $< $@@
% @kbd{touch ../bar.x}
% @kbd{touch ../newer.x}
% @kbd{make} # GNU make
@ -11480,7 +11485,7 @@ all: bar.y
bar.x: newer.x
.SUFFIXES: .x .y
.x.y:
cp $< $@@
cp $< $@@
% @kbd{touch ../bar.x}
% @kbd{touch ../newer.x}
% @kbd{make} # GNU make
@ -11524,7 +11529,7 @@ $ @kbd{cat Makefile}
.SUFFIXES: .in
foo: foo.in
.in:
cp $< $@
cp $< $@
$ @kbd{touch foo.in}
$ @kbd{make}
$ @kbd{ls}
@ -11547,7 +11552,7 @@ Note it works without the @samp{foo: foo.in} dependency.
$ @kbd{cat Makefile}
.SUFFIXES: .in
.in:
cp $< $@
cp $< $@
$ @kbd{make foo}
cp foo.in foo
@end example
@ -11560,7 +11565,7 @@ $ @kbd{cat Makefile}
foo.out: foo.in
.SUFFIXES: .in .out
.in.out:
cp $< $@
cp $< $@
$ @kbd{make}
cp foo.in foo.out
@end example
@ -11745,7 +11750,7 @@ cases together, like in this fragment:
@example
case $target in
i386-*-mach* | i386-*-gnu*)
obj_format=aout emulation=mach bfd_gas=yes ;;
obj_format=aout emulation=mach bfd_gas=yes ;;
i960-*-bout) obj_format=bout ;;
esac
@end example
@ -11755,7 +11760,7 @@ and later in @file{configure.ac}, use:
@example
AC_CONFIG_LINKS(host.h:config/$machine.h
object.h:config/$obj_format.h)
object.h:config/$obj_format.h)
@end example
Note that the above example uses @code{$target} because it's taken from
@ -11977,11 +11982,11 @@ Options}). The following example will make this clearer.
@example
AC_DEFUN([TEST_MACRO],
[AC_ARG_WITH([foo],
AC_HELP_STRING([--with-foo],
[use foo (default is NO)]),
[ac_cv_use_foo=$withval], [ac_cv_use_foo=no])
AC_HELP_STRING([--with-foo],
[use foo (default is NO)]),
[ac_cv_use_foo=$withval], [ac_cv_use_foo=no])
AC_CACHE_CHECK([whether to use foo],
[ac_cv_use_foo], [ac_cv_use_foo=no])])
[ac_cv_use_foo], [ac_cv_use_foo=no])])
@end example
Please note that the call to @code{AC_HELP_STRING} is @strong{unquoted}.
@ -12000,8 +12005,8 @@ arguments, as shown in the following example.
@example
AC_DEFUN(MY_ARG_WITH,
[AC_ARG_WITH([$1],
AC_HELP_STRING([--with-$1], [use $1 (default is $2)]),
ac_cv_use_$1=$withval, ac_cv_use_$1=no),
AC_HELP_STRING([--with-$1], [use $1 (default is $2)]),
ac_cv_use_$1=$withval, ac_cv_use_$1=no),
AC_CACHE_CHECK(whether to use $1, ac_cv_use_$1, ac_cv_use_$1=$2)])
@end example
@end defmac
@ -12119,15 +12124,15 @@ Here is how to use the variable @code{program_transform_name} in a
PROGRAMS = cp ls rm
transform = @@program_transform_name@@
install:
for p in $(PROGRAMS); do \
$(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/`echo $$p | \
sed '$(transform)'`; \
done
for p in $(PROGRAMS); do \
$(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/`echo $$p | \
sed '$(transform)'`; \
done
uninstall:
for p in $(PROGRAMS); do \
rm -f $(DESTDIR)$(bindir)/`echo $$p | sed '$(transform)'`; \
done
for p in $(PROGRAMS); do \
rm -f $(DESTDIR)$(bindir)/`echo $$p | sed '$(transform)'`; \
done
@end example
It is guaranteed that @code{program_transform_name} is never empty, and
@ -12371,11 +12376,11 @@ that rule:
@group
config.h: stamp-h
stamp-h: config.h.in config.status
./config.status config.h
echo > stamp-h
./config.status config.h
echo > stamp-h
Makefile: Makefile.in config.status
./config.status Makefile
./config.status Makefile
@end group
@end example
@ -12448,13 +12453,13 @@ would be:
@group
config.h: stamp-h
stamp-h: config.h.in config.status
CONFIG_COMMANDS= CONFIG_LINKS= CONFIG_FILES= \
CONFIG_HEADERS=config.h ./config.status
echo > stamp-h
CONFIG_COMMANDS= CONFIG_LINKS= CONFIG_FILES= \
CONFIG_HEADERS=config.h ./config.status
echo > stamp-h
Makefile: Makefile.in config.status
CONFIG_COMMANDS= CONFIG_LINKS= CONFIG_HEADERS= \
CONFIG_FILES=Makefile ./config.status
CONFIG_COMMANDS= CONFIG_LINKS= CONFIG_HEADERS= \
CONFIG_FILES=Makefile ./config.status
@end group
@end example
@ -12500,12 +12505,12 @@ package for distribution were:
@example
@group
configure.ac --. .------> autoconf* -----> configure
+---+
+---+
[aclocal.m4] --+ `---.
[acsite.m4] ---' |
+--> [autoheader*] -> [config.h.in]
+--> [autoheader*] -> [config.h.in]
[acconfig.h] ----. |
+-----'
+-----'
[config.h.top] --+
[config.h.bot] --'
@end group
@ -12634,9 +12639,9 @@ This macro is equivalent to:
@example
AC_CHECK_TYPE([@var{type}],,
[AC_DEFINE_UNQUOTED([@var{type}], [@var{default}],
[Define to `@var{default}' if
<sys/types.h> does not define.])])
[AC_DEFINE_UNQUOTED([@var{type}], [@var{default}],
[Define to `@var{default}' if
<sys/types.h> does not define.])])
@end example
In order to keep backward compatibility, the two versions of
@ -12711,7 +12716,7 @@ means to check the nature of the host is using
AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
case $host_os in
*cygwin* ) CYGWIN=yes;;
* ) CYGWIN=no;;
* ) CYGWIN=no;;
esac
@end example
@ -12947,7 +12952,7 @@ version of:
@example
AC_LINK_FILES(config/$machine.h config/$obj_format.h,
host.h object.h)
host.h object.h)
@end example
@noindent
@ -12955,7 +12960,7 @@ is:
@example
AC_CONFIG_LINKS(host.h:config/$machine.h
object.h:config/$obj_format.h)
object.h:config/$obj_format.h)
@end example
@end defmac
@ -13059,7 +13064,7 @@ interface is equivalent to:
@group
AC_CONFIG_FILES(@var{file}@dots{})
AC_CONFIG_COMMANDS([default],
@var{extra-cmds}, @var{init-cmds})
@var{extra-cmds}, @var{init-cmds})
AC_OUTPUT
@end group
@end example
@ -13077,9 +13082,9 @@ Here is an unrealistic example:
@example
fubar=27
AC_OUTPUT_COMMANDS([echo this is extra $fubar, and so on.],
[fubar=$fubar])
[fubar=$fubar])
AC_OUTPUT_COMMANDS([echo this is another, extra, bit],
[echo init bit])
[echo init bit])
@end example
Aside from the fact that @code{AC_CONFIG_COMMANDS} requires an
@ -13253,12 +13258,12 @@ issue.
@defmac AC_TEST_CPP
@acindex{TEST_CPP}
@code{AC_TRY_CPP}, replaced with @code{AC_PREPROC_IFELSE}.
@code{AC_TRY_CPP}, replaced by @code{AC_PREPROC_IFELSE}.
@end defmac
@defmac AC_TEST_PROGRAM
@acindex{TEST_PROGRAM}
@code{AC_TRY_RUN}, replaced with @code{AC_RUN_IFELSE}.
@code{AC_TRY_RUN}, replaced by @code{AC_RUN_IFELSE}.
@end defmac
@defmac AC_TIMEZONE
@ -13414,8 +13419,8 @@ AC_EGREP_CPP(yes,
[#if defined M_XENIX && !defined M_UNIX
yes
#endif],
[AC_MSG_RESULT([yes]); XENIX=yes],
[AC_MSG_RESULT([no]); XENIX=])
[AC_MSG_RESULT([yes]); XENIX=yes],
[AC_MSG_RESULT([no]); XENIX=])
@end example
@end defmac
@ -13679,7 +13684,7 @@ too!
@example
AC_INIT
AC_CHECK_HEADERS(foo.h,,
[AC_MSG_ERROR([cannot find foo.h, bailing out])])
[AC_MSG_ERROR([cannot find foo.h, bailing out])])
AC_OUTPUT
@end example
@ -13940,9 +13945,9 @@ Yet another reason why assigning @code{LIBOBJS} directly is discouraged.
# This is necessary so that .o files in LIBOBJS are also built via
# the ANSI2KNR-filtering rules.
LIB@@&t@@OBJS=`echo "$LIB@@&t@@OBJS" |
sed 's,\.[[^.]]* ,$U&,g;s,\.[[^.]]*$,$U&,'`
sed 's,\.[[^.]]* ,$U&,g;s,\.[[^.]]*$,$U&,'`
LTLIBOBJS=`echo "$LIB@@&t@@OBJS" |
sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
AC_SUBST(LTLIBOBJS)
@end example
@ -14015,8 +14020,8 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
# error _AIX not defined
#endif
]])],
[is_aix=yes],
[is_aix=no])
[is_aix=yes],
[is_aix=no])
@end group
@end example
@ -14149,19 +14154,19 @@ subfile-1.at ->.
subfile-i.at ---->-- testsuite.at -->.
... / \
subfile-n.at ->' >-- autom4te* -->testsuite
/
[package.m4] ->'
/
[package.m4] ->'
@end example
@noindent
Files used in configuring a software package:
@example
.--> atconfig
/
.--> atconfig
/
[atlocal.in] --> config.status* --<
\
`--> [atlocal]
\
`--> [atlocal]
@end example
@noindent
@ -14169,9 +14174,9 @@ Files created during the test suite execution:
@example
atconfig -->. .--> testsuite.log
\ /
>-- testsuite* --<
/ \
\ /
>-- testsuite* --<
/ \
[atlocal] ->' `--> [testsuite.@var{nn}*]
@end example
@ -14452,14 +14457,14 @@ suggest the following Makefile excerpt:
@smallexample
$(srcdir)/package.m4: $(top_srcdir)/configure.ac
@{ \
echo '# Signature of the current package.'; \
echo 'm4_define([AT_PACKAGE_NAME], [@@PACKAGE_NAME@@])'; \
echo 'm4_define([AT_PACKAGE_TARNAME], [@@PACKAGE_TARNAME@@])'; \
echo 'm4_define([AT_PACKAGE_VERSION], [@@PACKAGE_VERSION@@])'; \
echo 'm4_define([AT_PACKAGE_STRING], [@@PACKAGE_STRING@@])'; \
echo 'm4_define([AT_PACKAGE_BUGREPORT], [@@PACKAGE_BUGREPORT@@])'; \
@} >$(srcdir)/package.m4
@{ \
echo '# Signature of the current package.'; \
echo 'm4_define([AT_PACKAGE_NAME], [@@PACKAGE_NAME@@])'; \
echo 'm4_define([AT_PACKAGE_TARNAME], [@@PACKAGE_TARNAME@@])'; \
echo 'm4_define([AT_PACKAGE_VERSION], [@@PACKAGE_VERSION@@])'; \
echo 'm4_define([AT_PACKAGE_STRING], [@@PACKAGE_STRING@@])'; \
echo 'm4_define([AT_PACKAGE_BUGREPORT], [@@PACKAGE_BUGREPORT@@])'; \
@} >$(srcdir)/package.m4
@end smallexample
@noindent
@ -14495,12 +14500,12 @@ check} with a validation suite.
EXTRA_DIST = testsuite.at testsuite
TESTSUITE = $(srcdir)/testsuite
check-local: atconfig atlocal $(TESTSUITE)
$(SHELL) $(TESTSUITE)
$(SHELL) $(TESTSUITE)
AUTOTEST = $(AUTOM4TE) --language=autotest
$(TESTSUITE): $(srcdir)/testsuite.at
$(AUTOTEST) -I $(srcdir) $@@.at -o $@@.tmp
mv $@@.tmp $@@
$(AUTOTEST) -I $(srcdir) $@@.at -o $@@.tmp
mv $@@.tmp $@@
@end example
You might want to list explicitly the dependencies, i.e., the list of
@ -14513,12 +14518,12 @@ following:
subdir = tests
atconfig: $(top_builddir)/config.status
cd $(top_builddir) && \
$(SHELL) ./config.status $(subdir)/$@@
cd $(top_builddir) && \
$(SHELL) ./config.status $(subdir)/$@@
atlocal: $(srcdir)/atlocal.in $(top_builddir)/config.status
cd $(top_builddir) && \
$(SHELL) ./config.status $(subdir)/$@@
cd $(top_builddir) && \
$(SHELL) ./config.status $(subdir)/$@@
@end example
@noindent
@ -14727,8 +14732,8 @@ similar. If I use
@example
AC_DEFINE_UNQUOTED([DATADIR], [$datadir],
[Define to the read-only architecture-independent
data directory.])
[Define to the read-only architecture-independent
data directory.])
@end example
@noindent
@ -14763,7 +14768,7 @@ or create a dedicated header file:
@example
DISTCLEANFILES = datadir.h
datadir.h: Makefile
echo '#define DATADIR "$(datadir)"' >$@@
echo '#define DATADIR "$(datadir)"' >$@@
@end example
@item

View File

@ -1,6 +1,6 @@
# This file is part of Autoconf. -*- Autoconf -*-
# Checking for functions.
# Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
# Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -67,8 +67,8 @@ AC_DEFUN([AC_CHECK_FUNC],
[AS_VAR_PUSHDEF([ac_var], [ac_cv_func_$1])dnl
AC_CACHE_CHECK([for $1], ac_var,
[AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
[AS_VAR_SET(ac_var, yes)],
[AS_VAR_SET(ac_var, no)])])
[AS_VAR_SET(ac_var, yes)],
[AS_VAR_SET(ac_var, no)])])
AS_IF([test AS_VAR_GET(ac_var) = yes], [$2], [$3])dnl
AS_VAR_POPDEF([ac_var])dnl
])# AC_CHECK_FUNC
@ -79,12 +79,12 @@ AS_VAR_POPDEF([ac_var])dnl
AC_DEFUN([AC_CHECK_FUNCS],
[AC_FOREACH([AC_Func], [$1],
[AH_TEMPLATE(AS_TR_CPP(HAVE_[]AC_Func),
[Define to 1 if you have the `]AC_Func[' function.])])dnl
[Define to 1 if you have the `]AC_Func[' function.])])dnl
for ac_func in $1
do
AC_CHECK_FUNC($ac_func,
[AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$ac_func])]) $2],
[$3])dnl
[AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$ac_func])]) $2],
[$3])dnl
done
])
@ -267,17 +267,17 @@ wenotbecray
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
AC_CHECK_FUNC($ac_func,
[AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
[Define to one of `_getb67', `GETB67',
`getb67' for Cray-2 and Cray-YMP
systems. This function is required for
`alloca.c' support on those systems.])
[AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
[Define to one of `_getb67', `GETB67',
`getb67' for Cray-2 and Cray-YMP
systems. This function is required for
`alloca.c' support on those systems.])
break])
done
fi
AC_CACHE_CHECK([stack direction for C alloca],
[ac_cv_c_stack_direction],
[ac_cv_c_stack_direction],
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[int
find_stack_direction ()
@ -298,16 +298,16 @@ main ()
{
exit (find_stack_direction () < 0);
}])],
[ac_cv_c_stack_direction=1],
[ac_cv_c_stack_direction=-1],
[ac_cv_c_stack_direction=0])])
[ac_cv_c_stack_direction=1],
[ac_cv_c_stack_direction=-1],
[ac_cv_c_stack_direction=0])])
AH_VERBATIM([STACK_DIRECTION],
[/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
automatically deduced at run-time.
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
@%:@undef STACK_DIRECTION])dnl
AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])# _AC_LIBOBJ_ALLOCA
@ -323,13 +323,13 @@ AC_DEFUN([AC_FUNC_ALLOCA],
AC_CACHE_CHECK([for working alloca.h], ac_cv_working_alloca_h,
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[@%:@include <alloca.h>]],
[[char *p = (char *) alloca (2 * sizeof (int));]])],
[ac_cv_working_alloca_h=yes],
[ac_cv_working_alloca_h=no])])
[[char *p = (char *) alloca (2 * sizeof (int));]])],
[ac_cv_working_alloca_h=yes],
[ac_cv_working_alloca_h=no])])
if test $ac_cv_working_alloca_h = yes; then
AC_DEFINE(HAVE_ALLOCA_H, 1,
[Define to 1 if you have <alloca.h> and it should be used
(not on Ultrix).])
[Define to 1 if you have <alloca.h> and it should be used
(not on Ultrix).])
fi
AC_CACHE_CHECK([for alloca], ac_cv_func_alloca_works,
@ -355,12 +355,12 @@ char *alloca ();
# endif
#endif
]], [[char *p = (char *) alloca (1);]])],
[ac_cv_func_alloca_works=yes],
[ac_cv_func_alloca_works=no])])
[ac_cv_func_alloca_works=yes],
[ac_cv_func_alloca_works=no])])
if test $ac_cv_func_alloca_works = yes; then
AC_DEFINE(HAVE_ALLOCA, 1,
[Define to 1 if you have `alloca', as a function or macro.])
[Define to 1 if you have `alloca', as a function or macro.])
else
_AC_LIBOBJ_ALLOCA
fi
@ -395,16 +395,16 @@ AC_CACHE_CHECK([for working chown], ac_cv_func_chown_works,
if (stat (f, &after) < 0)
exit (1);
exit ((before.st_uid == after.st_uid
&& before.st_gid == after.st_gid) ? 0 : 1);
&& before.st_gid == after.st_gid) ? 0 : 1);
]])],
[ac_cv_func_chown_works=yes],
[ac_cv_func_chown_works=no],
[ac_cv_func_chown_works=no])
[ac_cv_func_chown_works=yes],
[ac_cv_func_chown_works=no],
[ac_cv_func_chown_works=no])
rm -f conftest.chown
])
if test $ac_cv_func_chown_works = yes; then
AC_DEFINE(HAVE_CHOWN, 1,
[Define to 1 if your system has a working `chown' function.])
[Define to 1 if your system has a working `chown' function.])
fi
])# AC_FUNC_CHOWN
@ -417,21 +417,21 @@ AN_FUNCTION([closedir], [AC_FUNC_CLOSEDIR_VOID])
AC_DEFUN([AC_FUNC_CLOSEDIR_VOID],
[AC_REQUIRE([AC_HEADER_DIRENT])dnl
AC_CACHE_CHECK([whether closedir returns void],
[ac_cv_func_closedir_void],
[ac_cv_func_closedir_void],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
#include <$ac_header_dirent>
#ifndef __cplusplus
int closedir ();
#endif
],
[[exit (closedir (opendir (".")) != 0);]])],
[ac_cv_func_closedir_void=no],
[ac_cv_func_closedir_void=yes],
[ac_cv_func_closedir_void=yes])])
[[exit (closedir (opendir (".")) != 0);]])],
[ac_cv_func_closedir_void=no],
[ac_cv_func_closedir_void=yes],
[ac_cv_func_closedir_void=yes])])
if test $ac_cv_func_closedir_void = yes; then
AC_DEFINE(CLOSEDIR_VOID, 1,
[Define to 1 if the `closedir' function returns void instead
of `int'.])
[Define to 1 if the `closedir' function returns void instead
of `int'.])
fi
])
@ -443,9 +443,10 @@ AN_FUNCTION([error_at_line], [AC_FUNC_ERROR_AT_LINE])
AC_DEFUN([AC_FUNC_ERROR_AT_LINE],
[AC_LIBSOURCES([error.h, error.c])dnl
AC_CACHE_CHECK([for error_at_line], ac_cv_lib_error_at_line,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([],[error_at_line (0, 0, "", 0, "");])],
[ac_cv_lib_error_at_line=yes],
[ac_cv_lib_error_at_line=no])])
[AC_LINK_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[error_at_line (0, 0, "", 0, "");])],
[ac_cv_lib_error_at_line=yes],
[ac_cv_lib_error_at_line=no])])
if test $ac_cv_lib_error_at_line = no; then
AC_LIBOBJ(error)
fi
@ -474,7 +475,7 @@ AC_DEFUN([_AC_FUNC_FNMATCH_IF],
[#include <fnmatch.h>
# define y(a, b, c) (fnmatch (a, b, c) == 0)
# define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH)
],
],
[exit
(!(y ("a*", "abc", 0)
&& n ("d*/*1", "d/s/1", FNM_PATHNAME)
@ -501,9 +502,9 @@ AS_IF([test $$2 = yes], [$3], [$4])
# ---------------
AC_DEFUN([AC_FUNC_FNMATCH],
[_AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_works],
[AC_DEFINE([HAVE_FNMATCH], 1,
[Define to 1 if your system has a working POSIX `fnmatch'
function.])])
[AC_DEFINE([HAVE_FNMATCH], 1,
[Define to 1 if your system has a working POSIX `fnmatch'
function.])])
])# AC_FUNC_FNMATCH
@ -520,7 +521,7 @@ AC_CHECK_HEADERS([wchar.h wctype.h])
AC_LIBOBJ([fnmatch])
AC_CONFIG_LINKS([$ac_config_libobj_dir/fnmatch.h:$ac_config_libobj_dir/fnmatch_.h])
AC_DEFINE(fnmatch, rpl_fnmatch,
[Define to rpl_fnmatch if the replacement function should be used.])
[Define to rpl_fnmatch if the replacement function should be used.])
])# _AC_LIBOBJ_FNMATCH
@ -529,8 +530,8 @@ AC_DEFINE(fnmatch, rpl_fnmatch,
AN_FUNCTION([fnmatch], [AC_REPLACE_FNMATCH])
AC_DEFUN([AC_REPLACE_FNMATCH],
[_AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_works],
[rm -f $ac_config_libobj_dir/fnmatch.h],
[_AC_LIBOBJ_FNMATCH])
[rm -f $ac_config_libobj_dir/fnmatch.h],
[_AC_LIBOBJ_FNMATCH])
])# AC_REPLACE_FNMATCH
@ -539,8 +540,8 @@ AC_DEFUN([AC_REPLACE_FNMATCH],
AC_DEFUN([AC_FUNC_FNMATCH_GNU],
[AC_REQUIRE([AC_GNU_SOURCE])
_AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
[rm -f $ac_config_libobj_dir/fnmatch.h],
[_AC_LIBOBJ_FNMATCH])
[rm -f $ac_config_libobj_dir/fnmatch.h],
[_AC_LIBOBJ_FNMATCH])
])# AC_FUNC_FNMATCH_GNU
@ -566,9 +567,9 @@ AC_DEFUN([AC_FUNC_FSEEKO],
# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
AC_CACHE_CHECK([for fseeko], [ac_cv_func_fseeko],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([@%:@include <stdio.h>],
[[return fseeko && fseeko (stdin, 0, 0);]])],
[ac_cv_func_fseeko=yes],
[ac_cv_func_fseeko=no])])
[[return fseeko && fseeko (stdin, 0, 0);]])],
[ac_cv_func_fseeko=yes],
[ac_cv_func_fseeko=no])])
if test $ac_cv_func_fseeko = yes; then
AC_DEFINE(HAVE_FSEEKO, 1,
[Define to 1 if fseeko (and presumably ftello) exists and is declared.])
@ -597,16 +598,16 @@ fi
# getgroups function only if there is such a function.
if test $ac_cv_func_getgroups = yes; then
AC_CACHE_CHECK([for working getgroups], ac_cv_func_getgroups_works,
[AC_RUN_IFELSE([AC_LANG_PROGRAM([],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[[/* On Ultrix 4.3, getgroups (0, 0) always fails. */
exit (getgroups (0, 0) == -1 ? 1 : 0);]])],
[ac_cv_func_getgroups_works=yes],
[ac_cv_func_getgroups_works=no],
[ac_cv_func_getgroups_works=no])
[ac_cv_func_getgroups_works=yes],
[ac_cv_func_getgroups_works=no],
[ac_cv_func_getgroups_works=no])
])
if test $ac_cv_func_getgroups_works = yes; then
AC_DEFINE(HAVE_GETGROUPS, 1,
[Define to 1 if your system has a working `getgroups' function.])
[Define to 1 if your system has a working `getgroups' function.])
fi
fi
LIBS=$ac_save_LIBS
@ -642,8 +643,8 @@ if test $ac_have_func = no; then
[ac_have_func=yes
AC_DEFINE(UMAX, 1, [Define to 1 for Encore UMAX.])
AC_DEFINE(UMAX4_3, 1,
[Define to 1 for Encore UMAX 4.3 that has <inq_status/cpustats.h>
instead of <sys/cpustats.h>.])])
[Define to 1 for Encore UMAX 4.3 that has <inq_status/cpustats.h>
instead of <sys/cpustats.h>.])])
fi
if test $ac_have_func = no; then
@ -657,11 +658,11 @@ fi
AC_CHECK_HEADERS(nlist.h,
[AC_CHECK_MEMBERS([struct nlist.n_un.n_name],
[AC_DEFINE(NLIST_NAME_UNION, 1,
[Define to 1 if your `struct nlist' has an
`n_un' member. Obsolete, depend on
`HAVE_STRUCT_NLIST_N_UN_N_NAME])], [],
[@%:@include <nlist.h>])
[AC_DEFINE(NLIST_NAME_UNION, 1,
[Define to 1 if your `struct nlist' has an
`n_un' member. Obsolete, depend on
`HAVE_STRUCT_NLIST_N_UN_N_NAME])], [],
[@%:@include <nlist.h>])
])dnl
])# _AC_LIBOBJ_GETLOADAVG
@ -708,29 +709,29 @@ if test $ac_have_func = no; then
ac_getloadavg_LIBS=$LIBS
LIBS="-L/usr/local/lib $LIBS"
AC_CHECK_LIB(getloadavg, getloadavg,
[LIBS="-lgetloadavg $LIBS"], [LIBS=$ac_getloadavg_LIBS])
[LIBS="-lgetloadavg $LIBS"], [LIBS=$ac_getloadavg_LIBS])
fi
# Make sure it is really in the library, if we think we found it,
# otherwise set up the replacement function.
AC_CHECK_FUNCS(getloadavg, [],
[_AC_LIBOBJ_GETLOADAVG])
[_AC_LIBOBJ_GETLOADAVG])
# Some definitions of getloadavg require that the program be installed setgid.
AC_CACHE_CHECK(whether getloadavg requires setgid,
ac_cv_func_getloadavg_setgid,
ac_cv_func_getloadavg_setgid,
[AC_EGREP_CPP([Yowza Am I SETGID yet],
[#include "$srcdir/$ac_config_libobj_dir/getloadavg.c"
#ifdef LDAV_PRIVILEGED
Yowza Am I SETGID yet
@%:@endif],
ac_cv_func_getloadavg_setgid=yes,
ac_cv_func_getloadavg_setgid=no)])
ac_cv_func_getloadavg_setgid=yes,
ac_cv_func_getloadavg_setgid=no)])
if test $ac_cv_func_getloadavg_setgid = yes; then
NEED_SETGID=true
AC_DEFINE(GETLOADAVG_PRIVILEGED, 1,
[Define to 1 if the `getloadavg' function needs to be run setuid
or setgid.])
[Define to 1 if the `getloadavg' function needs to be run setuid
or setgid.])
else
NEED_SETGID=false
fi
@ -743,7 +744,7 @@ if test $ac_cv_func_getloadavg_setgid = yes; then
# If we got an error (system does not support symlinks), try without -L.
test -z "$ac_ls_output" && ac_ls_output=`ls -lg /dev/kmem`
ac_cv_group_kmem=`echo $ac_ls_output \
| sed -ne ['s/[ ][ ]*/ /g;
| sed -ne ['s/[ ][ ]*/ /g;
s/^.[sSrwx-]* *[0-9]* *\([^0-9]*\) *.*/\1/;
/ /s/.* //;p;']`
])
@ -786,12 +787,12 @@ AC_DEFUN([AC_FUNC_GETPGRP],
ac_cv_func_getpgrp_void,
[# Use it with a single arg.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [getpgrp (0);])],
[ac_cv_func_getpgrp_void=no],
[ac_cv_func_getpgrp_void=yes])
[ac_cv_func_getpgrp_void=no],
[ac_cv_func_getpgrp_void=yes])
])
if test $ac_cv_func_getpgrp_void = yes; then
AC_DEFINE(GETPGRP_VOID, 1,
[Define to 1 if the `getpgrp' function requires zero arguments.])
[Define to 1 if the `getpgrp' function requires zero arguments.])
fi
])# AC_FUNC_GETPGRP
@ -812,12 +813,12 @@ if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[struct stat sbuf;
/* Linux will dereference the symlink and fail.
That is better in the sense that it means we will not
have to compile and use the lstat wrapper. */
That is better in the sense that it means we will not
have to compile and use the lstat wrapper. */
exit (lstat ("conftest.sym/", &sbuf) ? 0 : 1);])],
[ac_cv_func_lstat_dereferences_slashed_symlink=yes],
[ac_cv_func_lstat_dereferences_slashed_symlink=no],
[ac_cv_func_lstat_dereferences_slashed_symlink=no])
[ac_cv_func_lstat_dereferences_slashed_symlink=yes],
[ac_cv_func_lstat_dereferences_slashed_symlink=no],
[ac_cv_func_lstat_dereferences_slashed_symlink=no])
else
# If the `ln -s' command failed, then we probably don't even
# have an lstat function.
@ -828,8 +829,8 @@ rm -f conftest.sym conftest.file
test $ac_cv_func_lstat_dereferences_slashed_symlink = yes &&
AC_DEFINE_UNQUOTED(LSTAT_FOLLOWS_SLASHED_SYMLINK, 1,
[Define to 1 if `lstat' dereferences a symlink specified
with a trailing slash.])
[Define to 1 if `lstat' dereferences a symlink specified
with a trailing slash.])
if test $ac_cv_func_lstat_dereferences_slashed_symlink = no; then
AC_LIBOBJ(lstat)
@ -852,10 +853,10 @@ AC_CACHE_CHECK([for GNU libc compatible malloc], ac_cv_func_malloc_0_nonnull,
char *malloc ();
#endif
]],
[exit (malloc (0) ? 0 : 1);])],
[ac_cv_func_malloc_0_nonnull=yes],
[ac_cv_func_malloc_0_nonnull=no],
[ac_cv_func_malloc_0_nonnull=no])])
[exit (malloc (0) ? 0 : 1);])],
[ac_cv_func_malloc_0_nonnull=yes],
[ac_cv_func_malloc_0_nonnull=no],
[ac_cv_func_malloc_0_nonnull=no])])
AS_IF([test $ac_cv_func_malloc_0_nonnull = yes], [$1], [$2])
])# AC_FUNC_MALLOC
@ -868,8 +869,8 @@ AN_FUNCTION([malloc], [AC_FUNC_MALLOC])
AC_DEFUN([AC_FUNC_MALLOC],
[_AC_FUNC_MALLOC_IF(
[AC_DEFINE([HAVE_MALLOC], 1,
[Define to 1 if your system has a GNU libc compatible `malloc'
function, and to 0 otherwise.])],
[Define to 1 if your system has a GNU libc compatible `malloc'
function, and to 0 otherwise.])],
[AC_DEFINE([HAVE_MALLOC], 0)
AC_LIBOBJ(malloc)
AC_DEFINE([malloc], [rpl_malloc],
@ -886,8 +887,8 @@ AC_DEFUN([AC_FUNC_MBRTOWC],
ac_cv_func_mbrtowc,
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[@%:@include <wchar.h>]],
[[mbstate_t state; return ! (sizeof state && mbrtowc);]])],
[[@%:@include <wchar.h>]],
[[mbstate_t state; return ! (sizeof state && mbrtowc);]])],
ac_cv_func_mbrtowc=yes,
ac_cv_func_mbrtowc=no)])
if test $ac_cv_func_mbrtowc = yes; then
@ -902,7 +903,7 @@ AC_DEFUN([AC_FUNC_MBRTOWC],
AN_FUNCTION([memcmp], [AC_FUNC_MEMCMP])
AC_DEFUN([AC_FUNC_MEMCMP],
[AC_CACHE_CHECK([for working memcmp], ac_cv_func_memcmp_working,
[AC_RUN_IFELSE([AC_LANG_PROGRAM([], [[
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [[
/* Some versions of memcmp are not 8-bit clean. */
char c0 = 0x40, c1 = 0x80, c2 = 0x81;
if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
@ -917,19 +918,19 @@ AC_DEFUN([AC_FUNC_MEMCMP],
int i;
for (i = 0; i < 4; i++)
{
char *a = foo + i;
char *b = bar + i;
strcpy (a, "--------01111111");
strcpy (b, "--------10000000");
if (memcmp (a, b, 16) >= 0)
exit (1);
char *a = foo + i;
char *b = bar + i;
strcpy (a, "--------01111111");
strcpy (b, "--------10000000");
if (memcmp (a, b, 16) >= 0)
exit (1);
}
exit (0);
}
]])],
[ac_cv_func_memcmp_working=yes],
[ac_cv_func_memcmp_working=no],
[ac_cv_func_memcmp_working=no])])
[ac_cv_func_memcmp_working=yes],
[ac_cv_func_memcmp_working=no],
[ac_cv_func_memcmp_working=no])])
test $ac_cv_func_memcmp_working = no && AC_LIBOBJ([memcmp])
])# AC_FUNC_MEMCMP
@ -1081,16 +1082,16 @@ main ()
mktime_test ((time_t) 60 * 60 * 24);
for (j = 1; 0 < j; j *= 2)
bigtime_test (j);
bigtime_test (j);
bigtime_test (j - 1);
}
irix_6_4_bug ();
spring_forward_gap ();
exit (0);
}]])],
[ac_cv_func_working_mktime=yes],
[ac_cv_func_working_mktime=no],
[ac_cv_func_working_mktime=no])])
[ac_cv_func_working_mktime=yes],
[ac_cv_func_working_mktime=no],
[ac_cv_func_working_mktime=no])])
if test $ac_cv_func_working_mktime = no; then
AC_LIBOBJ([mktime])
fi
@ -1213,7 +1214,7 @@ main ()
exit (1);
data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1);
if (data2 != mmap (data2, pagesize, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_FIXED, fd, 0L))
MAP_PRIVATE | MAP_FIXED, fd, 0L))
exit (1);
for (i = 0; i < pagesize; ++i)
if (*(data + i) != *(data2 + i))
@ -1235,12 +1236,12 @@ main ()
close (fd);
exit (0);
}]])],
[ac_cv_func_mmap_fixed_mapped=yes],
[ac_cv_func_mmap_fixed_mapped=no],
[ac_cv_func_mmap_fixed_mapped=no])])
[ac_cv_func_mmap_fixed_mapped=yes],
[ac_cv_func_mmap_fixed_mapped=no],
[ac_cv_func_mmap_fixed_mapped=no])])
if test $ac_cv_func_mmap_fixed_mapped = yes; then
AC_DEFINE(HAVE_MMAP, 1,
[Define to 1 if you have a working `mmap' system call.])
[Define to 1 if you have a working `mmap' system call.])
fi
rm -f conftest.mmap
])# AC_FUNC_MMAP
@ -1261,9 +1262,9 @@ AC_DEFUN([AC_FUNC_OBSTACK],
AC_CACHE_CHECK([for obstacks], ac_cv_func_obstack,
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[@%:@include "obstack.h"]],
[[struct obstack *mem; obstack_free(mem,(char *) 0)]])],
[ac_cv_func_obstack=yes],
[ac_cv_func_obstack=no])])
[[struct obstack *mem; obstack_free(mem,(char *) 0)]])],
[ac_cv_func_obstack=yes],
[ac_cv_func_obstack=no])])
if test $ac_cv_func_obstack = yes; then
AC_DEFINE(HAVE_OBSTACK, 1, [Define to 1 if libc includes obstacks.])
else
@ -1293,10 +1294,10 @@ AC_CACHE_CHECK([for GNU libc compatible realloc], ac_cv_func_realloc_0_nonnull,
char *realloc ();
#endif
]],
[exit (realloc (0, 0) ? 0 : 1);])],
[ac_cv_func_realloc_0_nonnull=yes],
[ac_cv_func_realloc_0_nonnull=no],
[ac_cv_func_realloc_0_nonnull=no])])
[exit (realloc (0, 0) ? 0 : 1);])],
[ac_cv_func_realloc_0_nonnull=yes],
[ac_cv_func_realloc_0_nonnull=no],
[ac_cv_func_realloc_0_nonnull=no])])
AS_IF([test $ac_cv_func_realloc_0_nonnull = yes], [$1], [$2])
])# AC_FUNC_REALLOC
@ -1309,8 +1310,8 @@ AN_FUNCTION([realloc], [AC_FUNC_REALLOC])
AC_DEFUN([AC_FUNC_REALLOC],
[_AC_FUNC_REALLOC_IF(
[AC_DEFINE([HAVE_REALLOC], 1,
[Define to 1 if your system has a GNU libc compatible `realloc'
function, and to 0 otherwise.])],
[Define to 1 if your system has a GNU libc compatible `realloc'
function, and to 0 otherwise.])],
[AC_DEFINE([HAVE_REALLOC], 0)
AC_LIBOBJ([realloc])
AC_DEFINE([realloc], [rpl_realloc],
@ -1341,10 +1342,10 @@ AC_CACHE_CHECK([types of arguments for select],
# include <sys/socket.h>
#endif
],
[extern int select ($ac_arg1,
$ac_arg234, $ac_arg234, $ac_arg234,
$ac_arg5);])],
[ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
[extern int select ($ac_arg1,
$ac_arg234, $ac_arg234, $ac_arg234,
$ac_arg5);])],
[ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
done
done
done
@ -1356,11 +1357,11 @@ set dummy `echo "$ac_cv_func_select_args" | sed 's/\*/\*/g'`
IFS=$ac_save_IFS
shift
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1, $[1],
[Define to the type of arg 1 for `select'.])
[Define to the type of arg 1 for `select'.])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234, ($[2]),
[Define to the type of args 2, 3 and 4 for `select'.])
[Define to the type of args 2, 3 and 4 for `select'.])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5, ($[3]),
[Define to the type of arg 5 for `select'.])
[Define to the type of arg 5 for `select'.])
rm -f conftest*
])# AC_FUNC_SELECT_ARGTYPES
@ -1380,12 +1381,12 @@ AC_DEFUN([AC_FUNC_SETPGRP],
setpgrp(1, 1) will fail with ESRCH and return -1, in that case
exit successfully. */
exit (setpgrp (1,1) == -1 ? 0 : 1);])],
[ac_cv_func_setpgrp_void=no],
[ac_cv_func_setpgrp_void=yes],
[AC_MSG_ERROR([cannot check setpgrp when cross compiling])])])
[ac_cv_func_setpgrp_void=no],
[ac_cv_func_setpgrp_void=yes],
[AC_MSG_ERROR([cannot check setpgrp when cross compiling])])])
if test $ac_cv_func_setpgrp_void = yes; then
AC_DEFINE(SETPGRP_VOID, 1,
[Define to 1 if the `setpgrp' function takes no argument.])
[Define to 1 if the `setpgrp' function takes no argument.])
fi
])# AC_FUNC_SETPGRP
@ -1402,18 +1403,18 @@ fi
m4_define([_AC_FUNC_STAT],
[AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])dnl
AC_CACHE_CHECK([whether $1 accepts an empty string],
[ac_cv_func_$1_empty_string_bug],
[ac_cv_func_$1_empty_string_bug],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[[struct stat sbuf;
exit ($1 ("", &sbuf) ? 1 : 0);]])],
[ac_cv_func_$1_empty_string_bug=yes],
[ac_cv_func_$1_empty_string_bug=no],
[ac_cv_func_$1_empty_string_bug=yes])])
[ac_cv_func_$1_empty_string_bug=yes],
[ac_cv_func_$1_empty_string_bug=no],
[ac_cv_func_$1_empty_string_bug=yes])])
if test $ac_cv_func_$1_empty_string_bug = yes; then
AC_LIBOBJ([$1])
AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1_EMPTY_STRING_BUG]), 1,
[Define to 1 if `$1' has the bug that it succeeds when
given the zero-length file name argument.])
[Define to 1 if `$1' has the bug that it succeeds when
given the zero-length file name argument.])
fi
])# _AC_FUNC_STAT
@ -1433,8 +1434,8 @@ m4_define([_AC_LIBOBJ_STRTOD],
AC_CHECK_FUNC(pow)
if test $ac_cv_func_pow = no; then
AC_CHECK_LIB(m, pow,
[POW_LIB=-lm],
[AC_MSG_WARN([cannot find library containing definition of pow])])
[POW_LIB=-lm],
[AC_MSG_WARN([cannot find library containing definition of pow])])
fi
])# _AC_LIBOBJ_STRTOD
@ -1472,9 +1473,9 @@ main()
exit (0);
}
]])],
ac_cv_func_strtod=yes,
ac_cv_func_strtod=no,
ac_cv_func_strtod=no)])
ac_cv_func_strtod=yes,
ac_cv_func_strtod=no,
ac_cv_func_strtod=no)])
if test $ac_cv_func_strtod = no; then
_AC_LIBOBJ_STRTOD
fi
@ -1493,7 +1494,7 @@ AC_DEFUN([AC_FUNC_STRERROR_R],
[AC_CHECK_DECLS([strerror_r])
AC_CHECK_FUNCS([strerror_r])
AC_CACHE_CHECK([whether strerror_r returns char *],
ac_cv_func_strerror_r_char_p,
ac_cv_func_strerror_r_char_p,
[
ac_cv_func_strerror_r_char_p=no
if test $ac_cv_have_decl_strerror_r = yes; then
@ -1516,7 +1517,7 @@ AC_CACHE_CHECK([whether strerror_r returns char *],
[[char buf[100];
char x = *strerror_r (0, buf, sizeof buf);
exit (!isalpha (x));]])],
ac_cv_func_strerror_r_char_p=yes, , :)
ac_cv_func_strerror_r_char_p=yes, , :)
fi
])
if test $ac_cv_func_strerror_r_char_p = yes; then
@ -1533,7 +1534,7 @@ AC_DEFUN([AC_FUNC_STRFTIME],
[AC_CHECK_FUNCS(strftime, [],
[# strftime is in -lintl on SCO UNIX.
AC_CHECK_LIB(intl, strftime,
[AC_DEFINE(HAVE_STRFTIME)
[AC_DEFINE(HAVE_STRFTIME)
LIBS="-lintl $LIBS"])])dnl
])# AC_FUNC_STRFTIME
@ -1543,7 +1544,7 @@ LIBS="-lintl $LIBS"])])dnl
AN_FUNCTION([strnlen], [AC_FUNC_STRNLEN])
AC_DEFUN([AC_FUNC_STRNLEN],
[AC_CACHE_CHECK([for working strnlen], ac_cv_func_strnlen_working,
[AC_RUN_IFELSE([AC_LANG_PROGRAM([], [[
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [[
#define S "foobar"
#define S_LEN (sizeof S - 1)
@ -1559,9 +1560,9 @@ AC_DEFUN([AC_FUNC_STRNLEN],
}
exit (0);
]])],
[ac_cv_func_strnlen_working=yes],
[ac_cv_func_strnlen_working=no],
[ac_cv_func_strnlen_working=no])])
[ac_cv_func_strnlen_working=yes],
[ac_cv_func_strnlen_working=no],
[ac_cv_func_strnlen_working=no])])
test $ac_cv_func_strnlen_working = no && AC_LIBOBJ([strnlen])
])# AC_FUNC_STRNLEN
@ -1608,9 +1609,9 @@ AC_CACHE_CHECK(whether setvbuf arguments are reversed,
ac_cv_func_setvbuf_reversed=yes)])])
if test $ac_cv_func_setvbuf_reversed = yes; then
AC_DEFINE(SETVBUF_REVERSED, 1,
[Define to 1 if the `setvbuf' function takes the buffering type as
its second argument and the buffer pointer as the third, as on
System V before release 3.])
[Define to 1 if the `setvbuf' function takes the buffering type as
its second argument and the buffer pointer as the third, as on
System V before release 3.])
fi
])# AC_FUNC_SETVBUF_REVERSED
@ -1629,13 +1630,13 @@ AC_DEFUN([AC_FUNC_STRCOLL],
[[exit (strcoll ("abc", "def") >= 0 ||
strcoll ("ABC", "DEF") >= 0 ||
strcoll ("123", "456") >= 0)]])],
ac_cv_func_strcoll_works=yes,
ac_cv_func_strcoll_works=no,
ac_cv_func_strcoll_works=no)])
ac_cv_func_strcoll_works=yes,
ac_cv_func_strcoll_works=no,
ac_cv_func_strcoll_works=no)])
if test $ac_cv_func_strcoll_works = yes; then
AC_DEFINE(HAVE_STRCOLL, 1,
[Define to 1 if you have the `strcoll' function and it is properly
defined.])
[Define to 1 if you have the `strcoll' function and it is properly
defined.])
fi
])# AC_FUNC_STRCOLL
@ -1655,18 +1656,18 @@ AC_DEFUN([AC_FUNC_UTIME_NULL],
AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[[struct stat s, t;
exit (!(stat ("conftest.data", &s) == 0
&& utime ("conftest.data", (long *)0) == 0
&& stat ("conftest.data", &t) == 0
&& t.st_mtime >= s.st_mtime
&& t.st_mtime - s.st_mtime < 120));]])],
ac_cv_func_utime_null=yes,
ac_cv_func_utime_null=no,
ac_cv_func_utime_null=no)
&& utime ("conftest.data", (long *)0) == 0
&& stat ("conftest.data", &t) == 0
&& t.st_mtime >= s.st_mtime
&& t.st_mtime - s.st_mtime < 120));]])],
ac_cv_func_utime_null=yes,
ac_cv_func_utime_null=no,
ac_cv_func_utime_null=no)
rm -f core core.* *.core])
if test $ac_cv_func_utime_null = yes; then
AC_DEFINE(HAVE_UTIME_NULL, 1,
[Define to 1 if `utime(file, NULL)' sets file's timestamp to the
present.])
[Define to 1 if `utime(file, NULL)' sets file's timestamp to the
present.])
fi
rm -f conftest.data
])# AC_FUNC_UTIME_NULL
@ -1734,9 +1735,9 @@ AC_DEFUN([_AC_FUNC_FORK],
/* Some systems only have a dummy stub for fork() */
int main ()
{
if (fork() < 0)
exit (1);
exit (0);
if (fork() < 0)
exit (1);
exit (0);
}],
[ac_cv_func_fork_works=yes],
[ac_cv_func_fork_works=no],
@ -1843,9 +1844,9 @@ main ()
);
}
}]])],
[ac_cv_func_vfork_works=yes],
[ac_cv_func_vfork_works=no],
[ac_cv_func_vfork_works=cross])])
[ac_cv_func_vfork_works=yes],
[ac_cv_func_vfork_works=no],
[ac_cv_func_vfork_works=cross])])
])# _AC_FUNC_VFORK
@ -1869,9 +1870,9 @@ AN_FUNCTION([_doprnt], [AC_FUNC_VPRINTF])
AC_DEFUN([AC_FUNC_VPRINTF],
[AC_CHECK_FUNCS(vprintf, []
[AC_CHECK_FUNC(_doprnt,
[AC_DEFINE(HAVE_DOPRNT, 1,
[Define to 1 if you don't have `vprintf' but do have
`_doprnt.'])])])
[AC_DEFINE(HAVE_DOPRNT, 1,
[Define to 1 if you don't have `vprintf' but do have
`_doprnt.'])])])
])
@ -1891,7 +1892,7 @@ AC_DEFUN([AC_FUNC_WAIT3],
[$0: `wait3' is being removed from the Open Group standards.
Remove this `AC_FUNC_WAIT3' and adjust your code to use `waitpid' instead.])dnl
AC_CACHE_CHECK([for wait3 that fills in rusage],
[ac_cv_func_wait3_rusage],
[ac_cv_func_wait3_rusage],
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <sys/types.h>
#include <sys/time.h>
@ -1928,13 +1929,13 @@ main ()
&& r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0);
}
}]])],
[ac_cv_func_wait3_rusage=yes],
[ac_cv_func_wait3_rusage=no],
[ac_cv_func_wait3_rusage=no])])
[ac_cv_func_wait3_rusage=yes],
[ac_cv_func_wait3_rusage=no],
[ac_cv_func_wait3_rusage=no])])
if test $ac_cv_func_wait3_rusage = yes; then
AC_DEFINE(HAVE_WAIT3, 1,
[Define to 1 if you have the `wait3' system call.
Deprecated, you should no longer depend upon `wait3'.])
[Define to 1 if you have the `wait3' system call.
Deprecated, you should no longer depend upon `wait3'.])
fi
])# AC_FUNC_WAIT3