diff options
Diffstat (limited to 'm4/malloc.m4')
-rw-r--r-- | m4/malloc.m4 | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/m4/malloc.m4 b/m4/malloc.m4 index 770b1ba0ccd..635d6726b11 100644 --- a/m4/malloc.m4 +++ b/m4/malloc.m4 @@ -1,4 +1,4 @@ -# malloc.m4 serial 29 +# malloc.m4 serial 31 dnl Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -16,7 +16,8 @@ AC_DEFUN([_AC_FUNC_MALLOC_IF], [[#include <stdlib.h> ]], [[void *p = malloc (0); - int result = !p; + void * volatile vp = p; + int result = !vp; free (p); return result;]]) ], @@ -26,7 +27,7 @@ AC_DEFUN([_AC_FUNC_MALLOC_IF], # Guess yes on platforms where we know the result. *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \ | gnu* | *-musl* | midipix* | midnightbsd* \ - | hpux* | solaris* | cygwin* | mingw* | msys* ) + | hpux* | solaris* | cygwin* | mingw* | windows* | msys* ) ac_cv_func_malloc_0_nonnull="guessing yes" ;; # If we don't know, obey --enable-cross-guesses. *) ac_cv_func_malloc_0_nonnull="$gl_cross_guess_normal" ;; @@ -128,7 +129,7 @@ AC_DEFUN([gl_CHECK_MALLOC_POSIX], dnl except on those platforms where we have seen 'test-malloc-gnu', dnl 'test-realloc-gnu', 'test-calloc-gnu' fail. case "$host_os" in - mingw*) + mingw* | windows*) gl_cv_func_malloc_posix=no ;; irix* | solaris*) dnl On IRIX 6.5, the three functions return NULL with errno unset |