Update Gnulib to v0.0-6827-g39c3009; use the `dirfd' module.
[bpt/guile.git] / m4 / eealloc.m4
1 # eealloc.m4 serial 2
2 dnl Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 AC_DEFUN([gl_EEALLOC],
8 [
9 AC_REQUIRE([gl_EEMALLOC])
10 AC_REQUIRE([gl_EEREALLOC])
11 AC_REQUIRE([AC_C_INLINE])
12 ])
13
14 AC_DEFUN([gl_EEMALLOC],
15 [
16 _AC_FUNC_MALLOC_IF(
17 [gl_cv_func_malloc_0_nonnull=1],
18 [gl_cv_func_malloc_0_nonnull=0])
19 AC_DEFINE_UNQUOTED([MALLOC_0_IS_NONNULL], [$gl_cv_func_malloc_0_nonnull],
20 [If malloc(0) is != NULL, define this to 1. Otherwise define this
21 to 0.])
22 ])
23
24 AC_DEFUN([gl_EEREALLOC],
25 [
26 _AC_FUNC_REALLOC_IF(
27 [gl_cv_func_realloc_0_nonnull=1],
28 [gl_cv_func_realloc_0_nonnull=0])
29 AC_DEFINE_UNQUOTED([REALLOC_0_IS_NONNULL], [$gl_cv_func_realloc_0_nonnull],
30 [If realloc(NULL,0) is != NULL, define this to 1. Otherwise define this
31 to 0.])
32 ])