X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fprintf-frexpl.m4;h=f1ce4c8a3d20cf435fa47e35810a86ba32be9957;hb=23eecb48e39afd0d267d64d40ba6bf97aa865e13;hp=9c13d4e7f58461ca376c8efbcfdcd01bd8ea1f0c;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/m4/printf-frexpl.m4 b/m4/printf-frexpl.m4
index 9c13d4e7f..f1ce4c8a3 100644
--- a/m4/printf-frexpl.m4
+++ b/m4/printf-frexpl.m4
@@ -1,5 +1,5 @@
-# printf-frexpl.m4 serial 7
-dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
+# printf-frexpl.m4 serial 10
+dnl Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -9,6 +9,8 @@ dnl Check how to define printf_frexpl() without linking with libm.
 AC_DEFUN([gl_FUNC_PRINTF_FREXPL],
 [
   AC_REQUIRE([gl_MATH_H_DEFAULTS])
+  AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
+
   dnl Subset of gl_FUNC_FREXPL_NO_LIBM.
   gl_CHECK_FREXPL_NO_LIBM
   if test $gl_cv_func_frexpl_no_libm = yes; then
@@ -26,8 +28,8 @@ AC_DEFUN([gl_FUNC_PRINTF_FREXPL],
     AC_DEFINE([HAVE_FREXPL_IN_LIBC], [1],
       [Define if the frexpl function is available in libc.])
     dnl Also check whether it's declared.
-    dnl MacOS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>.
-    AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [#include <math.h>])
+    dnl Mac OS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>.
+    AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]])
   fi
 
   gl_CHECK_LDEXPL_NO_LIBM
@@ -38,8 +40,8 @@ AC_DEFUN([gl_FUNC_PRINTF_FREXPL],
         AC_DEFINE([HAVE_LDEXPL_IN_LIBC], [1],
           [Define if the ldexpl function is available in libc.])
         dnl Also check whether it's declared.
-        dnl MacOS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>.
-        AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [#include <math.h>])
+        dnl Mac OS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>.
+        AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [[#include <math.h>]])
         ;;
     esac
   fi