X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fisnanf.m4;h=66ed954bed76a9a54e505e92578d718dfbd41424;hb=a4ed524753cd61bd2c52b9af041eabe83ea1d503;hp=f1a28e86abc37a68c8ec9049f151dfbc4653c3dc;hpb=04da1cb11cf8285b944492aaa636dbd596ed5e74;p=gnulib.git

diff --git a/m4/isnanf.m4 b/m4/isnanf.m4
index f1a28e86a..66ed954be 100644
--- a/m4/isnanf.m4
+++ b/m4/isnanf.m4
@@ -1,5 +1,5 @@
-# isnanf.m4 serial 12
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# isnanf.m4 serial 14
+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,
 dnl with or without modifications, as long as this notice is preserved.
@@ -17,6 +17,7 @@ AC_DEFUN([gl_FUNC_ISNANF],
       ISNANF_LIBM=-lm
     fi
   fi
+  dnl The variable gl_func_isnanf set here is used by isnan.m4.
   if test $gl_cv_func_isnanf_no_libm = yes \
      || test $gl_cv_func_isnanf_in_libm = yes; then
     save_LIBS="$LIBS"
@@ -32,7 +33,6 @@ AC_DEFUN([gl_FUNC_ISNANF],
   fi
   if test $gl_func_isnanf != yes; then
     HAVE_ISNANF=0
-    gl_BUILD_ISNANF
   fi
   AC_SUBST([ISNANF_LIBM])
 ])
@@ -51,17 +51,17 @@ AC_DEFUN([gl_FUNC_ISNANF_NO_LIBM],
             *) false;;
           esac
         }; then
+    gl_func_isnanf_no_libm=yes
     AC_DEFINE([HAVE_ISNANF_IN_LIBC], [1],
       [Define if the isnan(float) function is available in libc.])
   else
-    gl_BUILD_ISNANF
+    gl_func_isnanf_no_libm=no
   fi
 ])
 
-dnl Pull in replacement isnanf definition. It does not need -lm.
-AC_DEFUN([gl_BUILD_ISNANF],
+dnl Prerequisites of replacement isnanf definition. It does not need -lm.
+AC_DEFUN([gl_PREREQ_ISNANF],
 [
-  AC_LIBOBJ([isnanf])
   gl_FLOAT_EXPONENT_LOCATION
 ])