From ba61a412530eb1b5ae3edbf319163377f1768d29 Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Thu, 20 Feb 2003 22:14:18 +0000 Subject: * 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. --- libiberty/aclocal.m4 | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'libiberty/aclocal.m4') diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4 index 103e246..6c5dc6a 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 +#ifdef HAVE_STRING_H +#include +#else +#ifdef HAVE_STRINGS_H +#include +#endif +#endif +#ifdef HAVE_STDLIB_H +#include +#endif +#ifdef HAVE_UNISTD_H +#include +#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 -- cgit v1.1