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authorDaniel Jacobowitz <dan@debian.org>2003-02-20 22:14:18 +0000
committerDaniel Jacobowitz <dan@debian.org>2003-02-20 22:14:18 +0000
commit91fd4842ccb83d297de8ace613bb086e8812c8cc (patch)
treeda722b66c0271fcf72d0c8e9d8c4b4e55798a38c /libiberty/aclocal.m4
parente874e5b08ca8ba5af2bafc0a55b78393039f7f57 (diff)
downloadgdb-91fd4842ccb83d297de8ace613bb086e8812c8cc.tar.gz
* 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.
Diffstat (limited to 'libiberty/aclocal.m4')
-rw-r--r--libiberty/aclocal.m429
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