re PR bootstrap/12100 (time.h:402: error: previous declaration of `clock'evious declaration of `clock')
2003-08-29 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> PR bootstrap/12100 * aclocal.m4 (AC_LANG_FUNC_LINK_TRY): Define. * configure: Rebuilt. From-SVN: r71009
This commit is contained in:
John David Anglin
DJ Delorie
parent
1918facfd1
commit
86d7590652
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@ -1,3 +1,9 @@
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2003-08-29 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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PR bootstrap/12100
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* aclocal.m4 (AC_LANG_FUNC_LINK_TRY): Define.
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* configure: Rebuilt.
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2003-08-27 Daniel Jacobowitz <drow@mvista.com>
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* aclocal.m4: Include acx.m4 and no-executables.m4.
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@ -180,3 +180,52 @@ AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction,
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STACK_DIRECTION < 0 => grows toward lower addresses
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STACK_DIRECTION = 0 => direction of growth unknown])
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])
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# AC_LANG_FUNC_LINK_TRY(C)(FUNCTION)
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# ----------------------------------
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# Don't include <ctype.h> because on OSF/1 3.0 it includes
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# <sys/types.h> which includes <sys/select.h> which contains a
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# prototype for select. Similarly for bzero.
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#
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# This test used to merely assign f=$1 in main(), but that was
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# optimized away by HP unbundled cc A.05.36 for ia64 under +O3,
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# presumably on the basis that there's no need to do that store if the
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# program is about to exit. Conversely, the AIX linker optimizes an
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# unused external declaration that initializes f=$1. So this test
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# program has both an external initialization of f, and a use of f in
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# main that affects the exit status.
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#
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m4_define([AC_LANG_FUNC_LINK_TRY(C)],
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[AC_LANG_PROGRAM(
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[/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $1 (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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#endif
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/* Override any gcc2 internal prototype to avoid an error. */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* We use char because int might match the return type of a gcc2
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builtin and then its argument prototype would still apply. */
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char $1 ();
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/* The GNU C library defines this for functions which it implements
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to always fail with ENOSYS. Some functions are actually named
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something starting with __ and the normal name is an alias. */
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#if defined (__stub_$1) || defined (__stub___$1)
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choke me
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#else
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char (*f) () = $1;
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#endif
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#ifdef __cplusplus
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}
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#endif
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], [return f != $1;])])
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@ -923,7 +923,7 @@ ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
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else
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echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
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fi
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cd "$ac_popdir"
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cd $ac_popdir
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done
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fi
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@ -1120,7 +1120,7 @@ _ASBOX
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echo "$as_me: caught signal $ac_signal"
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echo "$as_me: exit $exit_status"
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} >&5
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rm -f core *.core &&
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rm -f core core.* *.core &&
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rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
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exit $exit_status
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' 0
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@ -2486,7 +2486,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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for ac_declaration in \
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'' \
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''\
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'#include <stdlib.h>' \
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'extern "C" void std::exit (int) throw (); using std::exit;' \
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'extern "C" void std::exit (int); using std::exit;' \
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'extern "C" void exit (int) throw ();' \
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@ -2500,8 +2501,8 @@ _ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_declaration
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#include <stdlib.h>
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$ac_declaration
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int
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main ()
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{
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@ -2976,7 +2977,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_c_bigendian=yes
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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fi
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@ -3529,7 +3530,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_header_stdc=no
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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fi
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@ -4220,8 +4221,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -4645,8 +4648,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -4766,8 +4771,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -4886,7 +4893,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_c_stack_direction=-1
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
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@ -5065,8 +5072,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -5173,7 +5182,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_func_fork_works=no
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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echo "$as_me:$LINENO: result: $ac_cv_func_fork_works" >&5
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@ -5328,7 +5337,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_func_vfork_works=no
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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echo "$as_me:$LINENO: result: $ac_cv_func_vfork_works" >&5
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@ -5393,8 +5402,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -5486,8 +5497,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -5688,8 +5701,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -6006,8 +6021,10 @@ cat >>conftest.$ac_ext <<_ACEOF
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func (); below.
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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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<limits.h> exists even on freestanding compilers. Under hpux,
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including <limits.h> includes <sys/time.h> and causes problems
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checking for functions defined therein. */
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#if defined (__STDC__) && !defined (_HPUX_SOURCE)
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# include <limits.h>
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#else
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# include <assert.h>
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@ -6233,7 +6250,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_func_mmap_fixed_mapped=no
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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echo "$as_me:$LINENO: result: $ac_cv_func_mmap_fixed_mapped" >&5
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@ -6346,7 +6363,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_func_strncmp_works=no
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fi
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rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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rm -f core core.* *.core
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fi
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