fix ccache check bug

2 files changed, 52 insertions, 2 deletions

diff --git a/xmake/platforms/checker.lua b/xmake/platforms/checker.lua
index bcacbdfa0..a6fa308e7 100644
--- a/xmake/platforms/checker.lua
+++ b/xmake/platforms/checker.lua
@@ -175,9 +175,9 @@ end
 -- check the ccache
 function check_ccache(config)
 
-    -- ok? 
+    -- get the ccache
     local ccache = config.get("ccache")
-    if ccache ~= nil then
+    if ccache == nil then
 
         -- check the ccache path
         local ccache_path = tool.check("ccache", {"/usr/bin", "/usr/local/bin", "/opt/bin", "/opt/local/bin"})
diff --git a/xmake/tools/ccache.lua b/xmake/tools/ccache.lua
new file mode 100644
index 000000000..cd91dba0d
--- /dev/null
+++ b/xmake/tools/ccache.lua
@@ -0,0 +1,50 @@
+--!The Automatic Cross-platform Build Tool
+-- 
+-- XMake is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU Lesser General Public License as published by
+-- the Free Software Foundation; either version 2.1 of the License, or
+-- (at your option) any later version.
+-- 
+-- XMake is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Lesser General Public License for more details.
+-- 
+-- You should have received a copy of the GNU Lesser General Public License
+-- along with XMake; 
+-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
+-- 
+-- Copyright (C) 2015 - 2016, ruki All rights reserved.
+--
+-- @author      ruki
+-- @file        ccache.lua
+--
+
+-- init it
+function init(shellname)
+
+    -- save name
+    _g.shellname = shellname or "ccache"
+
+end
+
+-- get the property
+function get(name)
+
+    -- get it
+    return _g[name]
+end
+
+-- run it
+function run(...)
+
+    -- run it
+    os.run(...)
+end
+
+-- check the given flags 
+function check(flags)
+
+    -- check it
+    os.run("%s %s -h", _g.shellname, ifelse(flags, flags, ""))
+end