test-sys_socket: mark variables as used more readably

[gnulib.git] / m4 / ceill.m4

diff --git a/m4/ceill.m4 b/m4/ceill.m4
index 676c64b..3d4612a 100644 (file)
--- a/m4/ceill.m4
+++ b/m4/ceill.m4
@@ -1,5 +1,5 @@
-# ceill.m4 serial 3
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# ceill.m4 serial 6
+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.
@@ -20,13 +20,12 @@ AC_DEFUN([gl_FUNC_CEILL],
       REPLACE_CEILL=1
     fi
   else
-    REPLACE_CEILL=1
+    HAVE_DECL_CEILL=0
   fi
-  if test $REPLACE_CEILL = 1; then
+  if test $HAVE_DECL_CEILL = 0 || test $REPLACE_CEILL = 1; then
     AC_LIBOBJ([ceill])
     CEILL_LIBM=
   fi
-  AC_SUBST([REPLACE_CEILL])
   AC_SUBST([CEILL_LIBM])
 ])
 
@@ -34,7 +33,7 @@ AC_DEFUN([gl_FUNC_CEILL],
 # Sets CEILL_LIBM.
 AC_DEFUN([gl_FUNC_CEILL_LIBS],
 [
-  AC_CACHE_VAL([gl_cv_func_ceill_libm], [
+  gl_CACHE_VAL_SILENT([gl_cv_func_ceill_libm], [
     gl_cv_func_ceill_libm=?
     AC_TRY_LINK([
        #ifndef __NO_MATH_INLINES