improve go cross-compilation on linux

1 files changed, 22 insertions, 1 deletions

diff --git a/xmake/rules/go/env/xmake.lua b/xmake/rules/go/env/xmake.lua
index c2c9ca4a0..2bbd40d8b 100644
--- a/xmake/rules/go/env/xmake.lua
+++ b/xmake/rules/go/env/xmake.lua
@@ -20,15 +20,21 @@
 
 rule("go.env")
     on_load(function (target)
+
+        -- imports
         import("private.tools.go.goenv")
         import("private.async.runjobs")
         import("core.base.tty")
         import("core.base.option")
+        import("core.project.config")
+
+        -- check and install go packages for other platform
         local goroot   = goenv.GOROOT()
         local goos     = goenv.GOOS(target:plat())
         local goarch   = goenv.GOARCH(target:arch())
         if goroot and goos and goarch then
-            local gopkgdir = path.join(goroot, "pkg", goos .. "_" .. goarch)
+            local goroot_local = path.join(config.buildir(), ".goenv", path.filename(goroot))
+            local gopkgdir = path.join(os.isdir(goroot_local) and goroot_local or goroot, "pkg", goos .. "_" .. goarch)
             if not os.isdir(gopkgdir) or os.emptydir(gopkgdir) then
                 local gosrcdir = path.join(goroot, "src")
                 local confirm = utils.confirm({default = true, description = ("we need build go for %s_%s only once first!"):format(goos, goarch)})
@@ -40,6 +46,14 @@ rule("go.env")
                         if is_host("windows") then
                             os.vrunv(path.join(gosrcdir, "make.bat"), {"--no-clean"}, {envs = {GOOS = goos, GOARCH = goarch, GOROOT_BOOTSTRAP = goroot}, curdir = gosrcdir})
                         else
+
+                            -- we need copy goroot to the local directory to solving permission problem
+                            if is_host("linux") then
+                                os.vcp(goroot, goroot_local)
+                                goroot = path.absolute(goroot_local)
+                                gosrcdir = path.absolute(path.join(goroot_local, "src"))
+                            end
+
                             -- we patch '/' to GOROOT_BOOTSTRAP to solve the following issue
                             --
                             -- in make.bash
@@ -58,5 +72,12 @@ rule("go.env")
                     end
                 end
             end
+
+            -- switch to the local go root directory
+            if os.isdir(goroot_local) and os.isdir(gopkgdir) and not os.emptydir(gopkgdir) then
+                config.set("gc",   path.join(goroot_local, "bin", "go"), {readonly = true, force = true})
+                config.set("gcld", path.join(goroot_local, "bin", "go"), {readonly = true, force = true})
+                config.set("gcar", path.join(goroot_local, "bin", "go"), {readonly = true, force = true})
+            end
         end
     end)