NEWS.stable: log cherry-pick [79aac72]->[cc1a9b7] canonicalize-lgpl: use common idiom

[gnulib.git] / m4 / warn-on-use.m4

diff --git a/m4/warn-on-use.m4 b/m4/warn-on-use.m4
index ab46422..e0d0f27 100644 (file)
--- a/m4/warn-on-use.m4
+++ b/m4/warn-on-use.m4
@@ -1,5 +1,5 @@
-# warn-on-use.m4 serial 1
-dnl Copyright (C) 2010 Free Software Foundation, Inc.
+# warn-on-use.m4 serial 2
+dnl Copyright (C) 2010-2011 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.
@@ -30,12 +30,12 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
   for gl_func in m4_flatten([$2]); do
     AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
     AC_CACHE_CHECK([whether $gl_func is declared without a macro],
-      [gl_Symbol],
+      gl_Symbol,
       [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1],
 [@%:@undef $gl_func
   (void) $gl_func;])],
-        [AS_VAR_SET([gl_Symbol], [yes])], [AS_VAR_SET([gl_Symbol], [no])])])
-     AS_VAR_IF([gl_Symbol], [yes],
+        [AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
+     AS_VAR_IF(gl_Symbol, [yes],
        [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
        dnl shortcut - if the raw declaration exists, then set a cache
        dnl variable to allow skipping any later AC_CHECK_DECL efforts