+2018-05-13 Bruno Haible <bruno@clisp.org>
+
+ random: Fix compilation error on Android.
+ * m4/random.m4 (gl_FUNC_RANDOM): Use AC_LINK_IFELSE instead of
+ AC_CHECK_FUNC.
+
2018-05-13 Bruno Haible <bruno@clisp.org>
grantpt: Fix compilation error on Android.
-# random.m4 serial 2
+# random.m4 serial 3
dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
- AC_CHECK_FUNCS([random])
- if test $ac_cv_func_random = no; then
+ dnl We can't use AC_CHECK_FUNC here, because random() is defined as a
+ dnl static inline function when compiling for Android 4.4 or older.
+ AC_CACHE_CHECK([for random], [gl_cv_func_random],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <stdlib.h>]],
+ [[return random() == 0;]])
+ ],
+ [gl_cv_func_random=yes],
+ [gl_cv_func_random=no])
+ ])
+ if test $gl_cv_func_random = no; then
HAVE_RANDOM=0
fi