frexpl: Update autoconf test.

* m4/frexpl.m4 (gl_FUNC_FREXPL_WORKS): Update overrides of <float.h>,
according to changes of 2011-06-20.

diff --git a/ChangeLog b/ChangeLog
index 5ed267e3931f4d9db703a29f407cfe2e82d28085..a3937cce4a5ad05ed60e49afe78b1773e8cdd9a1 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-07-31  Bruno Haible  <bruno@clisp.org>
+
+       frexpl: Update autoconf test.
+       * m4/frexpl.m4 (gl_FUNC_FREXPL_WORKS): Update overrides of <float.h>,
+       according to changes of 2011-06-20.
+
 2011-07-31  Bruno Haible  <bruno@clisp.org>
 
        sys_utsname: Add support for Minix.

diff --git a/m4/frexpl.m4 b/m4/frexpl.m4
index 2e8c68136dc7d0b03f54273ba9b4f41caca9fcac..5843fa2f52af4a07aaa44733157416ef0b0e81df 100644 (file)
--- a/m4/frexpl.m4
+++ b/m4/frexpl.m4
@@ -1,4 +1,4 @@
-# frexpl.m4 serial 15
+# frexpl.m4 serial 16
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -115,6 +115,20 @@ AC_DEFUN([gl_FUNC_FREXPL_WORKS],
 # undef LDBL_MIN_EXP
 # define LDBL_MIN_EXP    (-16381)
 #endif
+#if defined __i386__ && defined __FreeBSD__
+# undef LDBL_MIN_EXP
+# define LDBL_MIN_EXP    (-16381)
+#endif
+#if (defined _ARCH_PPC || defined _POWER) && defined _AIX && (LDBL_MANT_DIG == 106) && defined __GNUC__
+# undef LDBL_MIN_EXP
+# define LDBL_MIN_EXP DBL_MIN_EXP
+#endif
+#if defined __sgi && (LDBL_MANT_DIG >= 106)
+# if defined __GNUC__
+#  undef LDBL_MIN_EXP
+#  define LDBL_MIN_EXP DBL_MIN_EXP
+# endif
+#endif
 extern
 #ifdef __cplusplus
 "C"