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| author | drow <drow@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-02-20 22:11:13 +0000 |
|---|---|---|
| committer | drow <drow@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-02-20 22:11:13 +0000 |
| commit | 846a645c173e6d1b00187f1feed6104d13cb6ac1 (patch) | |
| tree | e345914b98acba3281c7933fd21ce8beecd43bb6 /libiberty/aclocal.m4 | |
| parent | a12d249cfc78fd9771fce1a54c9417b55b279fc1 (diff) | |
| download | ppe42-gcc-846a645c173e6d1b00187f1feed6104d13cb6ac1.tar.gz ppe42-gcc-846a645c173e6d1b00187f1feed6104d13cb6ac1.zip | |
* Makefile.in (CFILES): Add lrealpath.c.
(REQUIRED_OFILES): Add lrealpath.o.
(lrealpath.o): Add rule.
* aclocal.m4 (libiberty_NEED_DECLARATION): Add.
* configure.in: Add realpath and canonicalize_file_name to
checkfuncs and AC_CHECK_FUNCS. Use libiberty_NEED_DECLARATION
for canonicalize_file_name.
* lrealpath.c: New file.
* make-relative-prefix.c: Update documentation.
(make_relative_prefix): Simplify. Use lbasename and lrealpath.
* config.in: Regenerated.
* configure: Regenerated.
* functions.texi: Regenerated.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@63186 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libiberty/aclocal.m4')
| -rw-r--r-- | libiberty/aclocal.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4 index 103e246de7e..6c5dc6ac64b 100644 --- a/libiberty/aclocal.m4 +++ b/libiberty/aclocal.m4 @@ -87,6 +87,35 @@ then AC_DEFINE(NEED_DECLARATION_ERRNO, 1, fi ]) +dnl See whether we need a declaration for a function. +AC_DEFUN(libiberty_NEED_DECLARATION, +[AC_MSG_CHECKING([whether $1 must be declared]) +AC_CACHE_VAL(libiberty_cv_decl_needed_$1, +[AC_TRY_COMPILE([ +#include "confdefs.h" +#include <stdio.h> +#ifdef HAVE_STRING_H +#include <string.h> +#else +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif], +[char *(*pfn) = (char *(*)) $1], +libiberty_cv_decl_needed_$1=no, libiberty_cv_decl_needed_$1=yes)]) +AC_MSG_RESULT($libiberty_cv_decl_needed_$1) +if test $libiberty_cv_decl_needed_$1 = yes; then + AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1, + [Define if $1 is not declared in system header files.]) +fi +])dnl + # FIXME: We temporarily define our own version of AC_PROG_CC. This is # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We # are probably using a cross compiler, which will not be able to fully |
