-# frexpl.m4 serial 7
+# frexpl.m4 serial 8
dnl Copyright (C) 2007-2008 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_CACHE_CHECK([whether frexpl works], [gl_cv_func_frexpl_works],
[
AC_TRY_RUN([
+#include <float.h>
#include <math.h>
+/* Override the values of <float.h>, like done in float.in.h. */
+#if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__)
+# undef LDBL_MIN_EXP
+# define LDBL_MIN_EXP (-16381)
+#endif
extern long double frexpl (long double, int *);
int main()
{