reenable old clang modules by default and fix tests

1 files changed, 47 insertions, 0 deletions

diff --git a/tests/projects/c++/modules/test_stdmodules.lua b/tests/projects/c++/modules/test_stdmodules.lua
new file mode 100644
index 000000000..2d8861d09
--- /dev/null
+++ b/tests/projects/c++/modules/test_stdmodules.lua
@@ -0,0 +1,47 @@
+import("lib.detect.find_tool")
+import("core.base.semver")
+import("core.tool.toolchain")
+
+function _build()
+    local ci = (os.getenv("CI") or os.getenv("GITHUB_ACTIONS") or ""):lower()
+    if ci == "true" then
+        os.exec("xmake -rvD")
+    else
+        os.exec("xmake -r")
+    end
+end
+
+function main(t)
+    if is_subhost("windows") then
+        local msvc = toolchain.load("msvc")
+        if msvc and msvc:check() then
+            local vcvars = msvc:config("vcvars")
+            if vcvars and vcvars.VCInstallDir and vcvars.VCToolsVersion and semver.compare(vcvars.VCToolsVersion, "14.35") then
+                local stdmodulesdir = path.join(vcvars.VCInstallDir, "Tools", "MSVC", vcvars.VCToolsVersion, "modules")
+                if os.isdir(stdmodulesdir) then
+                    os.exec("xmake f -c")
+                    _build()
+                end
+            end
+        end
+    elseif is_host("linux") or is_host("macos") then
+        -- gcc don't support std modules atm
+        -- local gcc = find_tool("gcc", {version = true})
+        -- if gcc and gcc.version and semver.compare(gcc.version, "11.0") >= 0 then
+            -- os.exec("xmake f -c")
+            -- _build()
+        -- end
+        local clang = find_tool("clang", {version = true})
+        if clang and clang.version and semver.compare(clang.version, "14.0") >= 0 then
+            if is_host("linux") then
+                -- clang don't support libstdc++ std modules atm
+                -- os.exec("xmake clean -a")
+                -- os.exec("xmake f --toolchain=clang -c")
+                -- _build()
+            end
+            os.exec("xmake clean -a")
+            os.exec("xmake f --toolchain=clang --cxxflags=\"-stdlib=libc++\" -c")
+            _build()
+        end
+    end
+end