acl: warn if ACL support is not detected

* m4/acl.m4 (gl_FUNC_ACL): Output a warning if ACL support is not found.

diff --git a/ChangeLog b/ChangeLog
index 8eade8f..800f672 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-20  Pádraig Brady  <P@draigBrady.com>
+
+       acl: warn if ACL support is not detected
+       * m4/acl.m4 (gl_FUNC_ACL): Output a warning if ACL support is not found.
+
 2009-10-19  Giuseppe Scrivano  <gscrivano@gnu.org>
 
        * lib/nproc.h: Add extern "C" block for C++.

diff --git a/m4/acl.m4 b/m4/acl.m4
index 5340e2e..784f4ea 100644 (file)
--- a/m4/acl.m4
+++ b/m4/acl.m4
@@ -116,6 +116,9 @@ int type = ACL_TYPE_EXTENDED;]],
     fi
     if test "x$enable_acl$use_acl" = "xyes0"; then
       AC_MSG_ERROR([ACLs enabled but support not detected])
+    elif test "x$enable_acl$use_acl" = "xauto0"; then
+      AC_MSG_WARN([libacl development library was not found or not usable.])
+      AC_MSG_WARN([AC_PACKAGE_NAME will be built without ACL support.])
     fi
   fi
   AC_SUBST([LIB_ACL])