From 65b9e349212e9f929f98e83a65a4591887baa659 Mon Sep 17 00:00:00 2001
From: star9029 <hengxings783@gmail.com>
Date: Sun, 10 Nov 2024 14:13:02 +0800
Subject: [PATCH] flex: fix include

---
 packages/f/flex/xmake.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/f/flex/xmake.lua b/packages/f/flex/xmake.lua
index 2104b513b..c59acc50e 100644
--- a/packages/f/flex/xmake.lua
+++ b/packages/f/flex/xmake.lua
@@ -15,6 +15,15 @@ package("flex")
         add_urls("https://github.com/westes/flex/releases/download/v$(version)/flex-$(version).tar.gz")
     end
 
+    on_fetch(function (package)
+        -- If pacman::flex already installed
+        if is_subhost("msys") and package:is_library() then
+            local msys_dir = os.getenv("MINGW_PREFIX")
+            local header = path.join(path.directory(msys_dir), "usr/include/FlexLexer.h")
+            os.trycp(header, package:installdir("include"))
+        end
+    end)
+
     on_load("macosx", "linux", "bsd", "windows", "@msys", function (package)
         if package:is_plat("windows") then
             package:add("deps", "winflexbison", {private = true})