X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffrexpl.m4;h=c6bdff6c23ab2956357bbd9aa5f7f67aad227dfe;hb=6608ac42ed5557e8340a1f45679c619909b751a1;hp=a4f2bd8cc695c47f00309f2b66cfd8b694392fb6;hpb=6ead6fb5989d246b06d28ae343cc1e8a319c1676;p=gnulib.git

diff --git a/m4/frexpl.m4 b/m4/frexpl.m4
index a4f2bd8cc..c6bdff6c2 100644
--- a/m4/frexpl.m4
+++ b/m4/frexpl.m4
@@ -1,4 +1,4 @@
-# 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,
@@ -106,7 +106,13 @@ AC_DEFUN([gl_FUNC_FREXPL_WORKS],
   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()
 {