diff options
Diffstat (limited to 'm4/realloc.m4')
| -rw-r--r-- | m4/realloc.m4 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/m4/realloc.m4 b/m4/realloc.m4 index 7c769644a6e..a59af2807c9 100644 --- a/m4/realloc.m4 +++ b/m4/realloc.m4 @@ -1,4 +1,4 @@ -# realloc.m4 serial 27 +# realloc.m4 serial 29 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_REALLOC_IF], [[#include <stdlib.h> ]], [[void *p = realloc (0, 0); - int result = !p; + void * volatile vp = p; + int result = !vp; free (p); return result;]]) ], @@ -26,7 +27,7 @@ AC_DEFUN([_AC_FUNC_REALLOC_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_realloc_0_nonnull="guessing yes" ;; # If we don't know, obey --enable-cross-guesses. *) ac_cv_func_realloc_0_nonnull="$gl_cross_guess_normal" ;; |