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[gnulib.git] / m4 / printf-frexp.m4

diff --git a/m4/printf-frexp.m4 b/m4/printf-frexp.m4
index 9cb68c3..c42391a 100644 (file)
--- a/m4/printf-frexp.m4
+++ b/m4/printf-frexp.m4
@@ -1,5 +1,5 @@
-# printf-frexp.m4 serial 1
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# printf-frexp.m4 serial 3
+dnl Copyright (C) 2007, 2009, 2010 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.
@@ -19,8 +19,13 @@ AC_DEFUN([gl_FUNC_PRINTF_FREXP],
         [gl_cv_func_frexp_no_libm=no])
     ])
   if test $gl_cv_func_frexp_no_libm = yes; then
-    AC_DEFINE([HAVE_FREXP_IN_LIBC], 1,
-      [Define if the frexp function is available in libc.])
+    gl_FUNC_FREXP_WORKS
+    case "$gl_cv_func_frexp_works" in
+      *yes)
+        AC_DEFINE([HAVE_FREXP_IN_LIBC], [1],
+          [Define if the frexp function is available in libc.])
+        ;;
+    esac
   fi
 
   AC_CACHE_CHECK([whether ldexp can be used without linking with libm],
@@ -34,7 +39,7 @@ AC_DEFUN([gl_FUNC_PRINTF_FREXP],
         [gl_cv_func_ldexp_no_libm=no])
     ])
   if test $gl_cv_func_ldexp_no_libm = yes; then
-    AC_DEFINE([HAVE_LDEXP_IN_LIBC], 1,
+    AC_DEFINE([HAVE_LDEXP_IN_LIBC], [1],
       [Define if the ldexp function is available in libc.])
   fi
 ])