diff options
author | Marc Espie <espie@cvs.openbsd.org> | 2003-12-25 17:53:25 +0000 |
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committer | Marc Espie <espie@cvs.openbsd.org> | 2003-12-25 17:53:25 +0000 |
commit | 16e36d80fdcd41025a650b58e6478268afaaf4d6 (patch) | |
tree | 854813818eda1b12958cc054f458d3df2cd67f34 | |
parent | 486310c24eaf4468baac000bdb13e0bbc9150fbf (diff) |
Update to libiberty from binutils-2.14
-rw-r--r-- | gnu/lib/libiberty/src/aclocal.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gnu/lib/libiberty/src/aclocal.m4 b/gnu/lib/libiberty/src/aclocal.m4 index 103e246de7e..6c5dc6ac64b 100644 --- a/gnu/lib/libiberty/src/aclocal.m4 +++ b/gnu/lib/libiberty/src/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 |