fix ccache option bug

2 files changed, 8 insertions, 3 deletions

diff --git a/xmake/actions/build/builder.lua b/xmake/actions/build/builder.lua
index bec34df86..d6c2c3614 100755
--- a/xmake/actions/build/builder.lua
+++ b/xmake/actions/build/builder.lua
@@ -92,8 +92,13 @@ function _build_object(target, index)
     end
 
     -- make command
-    local ccache    = tool.shellname("ccache") 
     local command   = compiler.command(target, sourcefile, objectfile)
+
+    -- uses ccache
+    local ccache = nil
+    if config.get("ccache") then
+        ccache = tool.shellname("ccache") 
+    end
     if ccache then
         command = ccache:append(command, " ")
     end
diff --git a/xmake/core/base/option.lua b/xmake/core/base/option.lua
index 3760c42d1..4172c816e 100644
--- a/xmake/core/base/option.lua
+++ b/xmake/core/base/option.lua
@@ -277,8 +277,8 @@ function option.init(menu)
 
             -- value is "true" or "false", translate it
             if type(value) == "string" then
-                if value == "true" then value = true
-                elseif value == "false" then value = false
+                if value == "true" or value == "yes" or value == "y" then value = true
+                elseif value == "false" or value == "no" or value == "n" then value = false
                 end
             end