More systematic m4 argument quoting.

[gnulib.git] / m4 / glibc2.m4

diff --git a/m4/glibc2.m4 b/m4/glibc2.m4
index e8f5bfe..fe58a0f 100644 (file)
--- a/m4/glibc2.m4
+++ b/m4/glibc2.m4
@@ -1,5 +1,5 @@
-# glibc2.m4 serial 1
-dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
+# glibc2.m4 serial 2
+dnl Copyright (C) 2000-2002, 2004, 2008 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.
@@ -9,8 +9,8 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gt_GLIBC2],
   [
-    AC_CACHE_CHECK(whether we are using the GNU C Library 2 or newer,
-      ac_cv_gnu_library_2,
+    AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer],
+      [ac_cv_gnu_library_2],
       [AC_EGREP_CPP([Lucky GNU user],
        [
 #include <features.h>
@@ -20,11 +20,11 @@ AC_DEFUN([gt_GLIBC2],
  #endif
 #endif
        ],
-       ac_cv_gnu_library_2=yes,
-       ac_cv_gnu_library_2=no)
+       [ac_cv_gnu_library_2=yes],
+       [ac_cv_gnu_library_2=no])
       ]
     )
-    AC_SUBST(GLIBC2)
+    AC_SUBST([GLIBC2])
     GLIBC2="$ac_cv_gnu_library_2"
   ]
 )