From a46cef21f43e6d3a7db3d6b0ee94462e1ec57c3f Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sat, 4 Dec 2021 22:09:51 +0800
Subject: [PATCH] Update xmake.lua (#735)

---
 packages/o/openmp/xmake.lua | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/o/openmp/xmake.lua b/packages/o/openmp/xmake.lua
index dbb2cd521..0b7260d50 100644
--- a/packages/o/openmp/xmake.lua
+++ b/packages/o/openmp/xmake.lua
@@ -58,8 +58,11 @@ package("openmp")
                 return
             end
         end
-        -- need to detect the existance of flags
-        return {}
+        -- we need fetch the installed flags in on_load
+        local manifest = package:manifest_load()
+        if manifest then
+            return manifest.vars
+        end
     end)
 
     on_install("linux", "macosx", "windows", function (package)