fix cache bug and add verbose trace

1 files changed, 6 insertions, 0 deletions

diff --git a/xmake/modules/lib/detect/has_flags.lua b/xmake/modules/lib/detect/has_flags.lua
index bbd972c0d..7da2d98d8 100644
--- a/xmake/modules/lib/detect/has_flags.lua
+++ b/xmake/modules/lib/detect/has_flags.lua
@@ -23,6 +23,7 @@
 --
 
 -- imports
+import("core.base.option")
 import("lib.detect.find_tool")
 
 -- has this flag?
@@ -60,6 +61,11 @@ function _has_flag(name, flag, opt)
         result = try { function () os.runv(tool.program, {flag}); return true end }
     end
 
+    -- trace
+    if option.get("verbose") then
+        cprint("checking for the flags %s ... %s", flag, ifelse(result, "${green}ok", "${red}no"))
+    end
+
     -- save result to cache
     results[key] = ifelse(result, result, false)
     _g._RESULTS = results