-# calloc.m4 serial 14
+# calloc.m4 serial 15
# Copyright (C) 2004-2012 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
AC_DEFUN([_AC_FUNC_CALLOC_IF],
[
AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([for GNU libc compatible calloc],
[ac_cv_func_calloc_0_nonnull],
[AC_RUN_IFELSE(
]])],
[ac_cv_func_calloc_0_nonnull=yes],
[ac_cv_func_calloc_0_nonnull=no],
- [ac_cv_func_calloc_0_nonnull=no])])
- AS_IF([test $ac_cv_func_calloc_0_nonnull = yes], [$1], [$2])
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) ac_cv_func_calloc_0_nonnull="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) ac_cv_func_calloc_0_nonnull="guessing no" ;;
+ esac
+ ])])
+ case "$ac_cv_func_calloc_0_nonnull" in
+ *yes)
+ $1
+ ;;
+ *)
+ $2
+ ;;
+ esac
])# AC_FUNC_CALLOC