From 041d1ea37802bf7178a31a53f96c26efa6b8fb7b Mon Sep 17 00:00:00 2001 From: James Date: Fri, 16 Nov 2012 10:41:01 +0000 Subject: fish --- m4/realloc.m4 | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 m4/realloc.m4 (limited to 'm4/realloc.m4') diff --git a/m4/realloc.m4 b/m4/realloc.m4 new file mode 100644 index 0000000..01c1234 --- /dev/null +++ b/m4/realloc.m4 @@ -0,0 +1,44 @@ +# realloc.m4 serial 11 +dnl Copyright (C) 2007, 2009, 2010 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. + +# gl_FUNC_REALLOC_GNU +# ------------------- +# Test whether 'realloc (0, 0)' is handled like in GNU libc, and replace +# realloc if it is not. +AC_DEFUN([gl_FUNC_REALLOC_GNU], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + dnl _AC_FUNC_REALLOC_IF is defined in Autoconf. + _AC_FUNC_REALLOC_IF( + [AC_DEFINE([HAVE_REALLOC_GNU], [1], + [Define to 1 if your system has a GNU libc compatible 'realloc' + function, and to 0 otherwise.])], + [AC_DEFINE([HAVE_REALLOC_GNU], [0]) + gl_REPLACE_REALLOC + ]) +])# gl_FUNC_REALLOC_GNU + +# gl_FUNC_REALLOC_POSIX +# --------------------- +# Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it +# fails), and replace realloc if it is not. +AC_DEFUN([gl_FUNC_REALLOC_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_REALLOC_POSIX], [1], + [Define if the 'realloc' function is POSIX compliant.]) + else + gl_REPLACE_REALLOC + fi +]) + +AC_DEFUN([gl_REPLACE_REALLOC], +[ + AC_LIBOBJ([realloc]) + REPLACE_REALLOC=1 +]) -- cgit v1.2.3