old-cross-binutils/gdb/gnulib/import/m4/malloc.m4
Yao Qi 6a29c58ef8 Import rename module
This patch is to import rename module.

gdb:

2014-11-28  Yao Qi  <yao@codesourcery.com>

	* gnulib/update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add
	rename.
	* gnulib/aclocal.m4: Re-generated.
	* gnulib/config.in: Re-generated.
	* gnulib/configure: Re-generated.
	* gnulib/import/Makefile.am: Re-generated.
	* gnulib/import/Makefile.in: Re-generated.
	* gnulib/import/m4/gnulib-cache.m4: Re-generated.
	* gnulib/import/m4/gnulib-comp.m4: Re-generated.
	* import/basename-lgpl.c: New file.
	* import/dirname-lgpl.c: New file.
	* import/dirname.h: New file.
	* import/m4/dirname.m4: New file.
	* import/m4/malloc.m4: New file.
	* import/m4/rename.m4: New file.
	* import/m4/rmdir.m4: New file.
	* import/m4/stdio_h.m4: New file.
	* import/malloc.c: New file.
	* import/rename.c: New file.
	* import/rmdir.c: New file.
	* import/same-inode.h: New file.
	* import/stdio.c: New file.
	* import/stdio.in.h: New file.
	* import/stripslash.c: New file.
2014-11-28 18:38:21 +08:00

98 lines
3.2 KiB
Text

# malloc.m4 serial 14
dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
m4_version_prereq([2.70], [] ,[
# This is taken from the following Autoconf patch:
# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9
AC_DEFUN([_AC_FUNC_MALLOC_IF],
[
AC_REQUIRE([AC_HEADER_STDC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles
AC_CHECK_HEADERS([stdlib.h])
AC_CACHE_CHECK([for GNU libc compatible malloc],
[ac_cv_func_malloc_0_nonnull],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[#if defined STDC_HEADERS || defined HAVE_STDLIB_H
# include <stdlib.h>
#else
char *malloc ();
#endif
]],
[[return ! malloc (0);]])
],
[ac_cv_func_malloc_0_nonnull=yes],
[ac_cv_func_malloc_0_nonnull=no],
[case "$host_os" in
# Guess yes on platforms where we know the result.
*-gnu* | freebsd* | netbsd* | openbsd* \
| hpux* | solaris* | cygwin* | mingw*)
ac_cv_func_malloc_0_nonnull=yes ;;
# If we don't know, assume the worst.
*) ac_cv_func_malloc_0_nonnull=no ;;
esac
])
])
AS_IF([test $ac_cv_func_malloc_0_nonnull = yes], [$1], [$2])
])# _AC_FUNC_MALLOC_IF
])
# gl_FUNC_MALLOC_GNU
# ------------------
# Test whether 'malloc (0)' is handled like in GNU libc, and replace malloc if
# it is not.
AC_DEFUN([gl_FUNC_MALLOC_GNU],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
dnl _AC_FUNC_MALLOC_IF is defined in Autoconf.
_AC_FUNC_MALLOC_IF(
[AC_DEFINE([HAVE_MALLOC_GNU], [1],
[Define to 1 if your system has a GNU libc compatible 'malloc'
function, and to 0 otherwise.])],
[AC_DEFINE([HAVE_MALLOC_GNU], [0])
REPLACE_MALLOC=1
])
])
# gl_FUNC_MALLOC_POSIX
# --------------------
# Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it
# fails), and replace malloc if it is not.
AC_DEFUN([gl_FUNC_MALLOC_POSIX],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
if test $gl_cv_func_malloc_posix = yes; then
AC_DEFINE([HAVE_MALLOC_POSIX], [1],
[Define if the 'malloc' function is POSIX compliant.])
else
REPLACE_MALLOC=1
fi
])
# Test whether malloc, realloc, calloc are POSIX compliant,
# Set gl_cv_func_malloc_posix to yes or no accordingly.
AC_DEFUN([gl_CHECK_MALLOC_POSIX],
[
AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant],
[gl_cv_func_malloc_posix],
[
dnl It is too dangerous to try to allocate a large amount of memory:
dnl some systems go to their knees when you do that. So assume that
dnl all Unix implementations of the function are POSIX compliant.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[]],
[[#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
choke me
#endif
]])],
[gl_cv_func_malloc_posix=yes],
[gl_cv_func_malloc_posix=no])
])
])