improve llvm for macos

2 files changed, 71 insertions, 41 deletions

diff --git a/xmake/toolchains/llvm/check.lua b/xmake/toolchains/llvm/check.lua
index 69ad691e8..933146fbf 100644
--- a/xmake/toolchains/llvm/check.lua
+++ b/xmake/toolchains/llvm/check.lua
@@ -28,6 +28,14 @@ import("detect.sdks.find_cross_toolchain")
 -- find xcode on macos
 function _find_xcode(toolchain)
 
+    -- get apple device
+    local appledev = toolchain:config("appledev") or config.get("appledev")
+    if appledev and appledev == "simulator" then
+        appledev = "simulator"
+    elseif not toolchain:is_plat("macosx") and toolchain:is_arch("i386", "x86_64") then
+        appledev = "simulator"
+    end
+
     -- find xcode
     local xcode_sdkver = toolchain:config("xcode_sdkver") or config.get("xcode_sdkver")
     local xcode = find_xcode(toolchain:config("xcode") or config.get("xcode"), {force = true, verbose = true,
@@ -46,8 +54,14 @@ function _find_xcode(toolchain)
         config.set("xcode", xcode.sdkdir, {force = true, readonly = true})
         cprint("checking for Xcode directory ... ${color.success}%s", xcode.sdkdir)
     end
+    local target_minver = toolchain:config("target_minver") or config.get("target_minver")
+    if xcode_sdkver and not target_minver then
+        target_minver = xcode.target_minver
+    end
     toolchain:config_set("xcode", xcode.sdkdir)
     toolchain:config_set("xcode_sdkver", xcode_sdkver)
+    toolchain:config_set("target_minver", target_minver)
+    toolchain:config_set("appledev", appledev)
     toolchain:configs_save()
     cprint("checking for SDK version of Xcode for %s (%s) ... ${color.success}%s", toolchain:plat(), toolchain:arch(), xcode_sdkver)
 end
diff --git a/xmake/toolchains/llvm/xmake.lua b/xmake/toolchains/llvm/xmake.lua
index 2960858be..dbc79e244 100644
--- a/xmake/toolchains/llvm/xmake.lua
+++ b/xmake/toolchains/llvm/xmake.lua
@@ -48,23 +48,74 @@ toolchain("llvm")
             toolchain:add("runtimes", "MT", "MTd", "MD", "MDd")
         end
 
-        -- add march flags
-        local march
+        -- add target flags
+        local target
         if toolchain:is_plat("windows") and not is_host("windows") then
-            -- cross-compilation for windows
             if toolchain:is_arch("i386", "x86") then
-                march = "-target i386-pc-windows-msvc"
+                target = "i386-pc-windows-msvc"
             else
-                march = "-target x86_64-pc-windows-msvc"
+                target = "x86_64-pc-windows-msvc"
             end
+        elseif toolchain:is_plat("macosx") then
+            local arch          = toolchain:arch()
+            local target_minver = toolchain:config("target_minver")
+            local appledev      = toolchain:config("appledev")
+            if target_minver then
+                target = ("%s-apple-macos%s"):format(arch, target_minver)
+                if appledev == "catalyst" then
+                    target = ("%s-apple-ios%s-macabi"):format(arch, target_minver)
+                end
+            end
+        elseif toolchain:is_plat("cross") then
+            local cross = toolchain:cross():gsub("(.*)%-$", "%1")
+            target = "--target=" .. cross
+        end
+        local target_flags
+        if target then
+            target_flags = "--target=" .. target
+        elseif toolchain:is_arch("x86_64", "x64") then
+            target_flags = "-m64"
+        elseif toolchain:is_arch("i386", "x86") then
+            target_flags = "-m32"
+        end
+        if target_flags then
+            toolchain:add("cxflags", target_flags)
+            toolchain:add("mxflags", target_flags)
+            toolchain:add("asflags", target_flags)
+            toolchain:add("ldflags", target_flags)
+            toolchain:add("shflags", target_flags)
+        end
+
+        -- init flags for platform
+        if toolchain:is_plat("windows") and not is_host("windows") then
             toolchain:add("ldflags", "-fuse-ld=lld")
             toolchain:add("shflags", "-fuse-ld=lld")
+        elseif toolchain:is_plat("macosx") then
+            local xcode_dir     = get_config("xcode")
+            local xcode_sdkver  = toolchain:config("xcode_sdkver")
+            local xcode_sdkdir  = nil
+            if xcode_dir and xcode_sdkver then
+                xcode_sdkdir = xcode_dir .. "/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX" .. xcode_sdkver .. ".sdk"
+                toolchain:add("cxflags", {"-isysroot", xcode_sdkdir})
+                toolchain:add("mxflags", {"-isysroot", xcode_sdkdir})
+                toolchain:add("ldflags", {"-isysroot", xcode_sdkdir})
+                toolchain:add("shflags", {"-isysroot", xcode_sdkdir})
+            else
+                -- @see https://github.com/xmake-io/xmake/issues/1179
+                local macsdk = "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
+                if os.exists(macsdk) then
+                    toolchain:add("cxflags", {"-isysroot", macsdk})
+                    toolchain:add("mxflags", {"-isysroot", macsdk})
+                    toolchain:add("ldflags", {"-isysroot", macsdk})
+                    toolchain:add("shflags", {"-isysroot", macsdk})
+                end
+            end
+            toolchain:add("mxflags", "-fobjc-arc")
         elseif toolchain:is_plat("cross") then
             local sysroot
             local sdkdir = toolchain:sdkdir()
             local bindir = toolchain:bindir()
             local cross = toolchain:cross():gsub("(.*)%-$", "%1")
-            march = "--target=" .. cross
             if bindir and os.isexec(path.join(bindir, cross .. "-gcc" .. (is_host("windows") and ".exe" or ""))) then
                 local gcc_toolchain = path.directory(bindir)
                 toolchain:add("cxflags", "--gcc-toolchain=" .. gcc_toolchain)
@@ -86,41 +137,6 @@ toolchain("llvm")
                 toolchain:add("ldflags", "--sysroot=" .. sysroot)
                 toolchain:add("shflags", "--sysroot=" .. sysroot)
             end
-        elseif toolchain:is_arch("x86_64", "x64") then
-            march = "-m64"
-        elseif toolchain:is_arch("i386", "x86") then
-            march = "-m32"
-        end
-        if march then
-            toolchain:add("cxflags", march)
-            toolchain:add("mxflags", march)
-            toolchain:add("asflags", march)
-            toolchain:add("ldflags", march)
-            toolchain:add("shflags", march)
-        end
-
-        -- init flags for macOS
-        if toolchain:is_plat("macosx") then
-            local xcode_dir     = get_config("xcode")
-            local xcode_sdkver  = toolchain:config("xcode_sdkver")
-            local xcode_sdkdir  = nil
-            if xcode_dir and xcode_sdkver then
-                xcode_sdkdir = xcode_dir .. "/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX" .. xcode_sdkver .. ".sdk"
-                toolchain:add("cxflags", {"-isysroot", xcode_sdkdir})
-                toolchain:add("mxflags", {"-isysroot", xcode_sdkdir})
-                toolchain:add("ldflags", {"-isysroot", xcode_sdkdir})
-                toolchain:add("shflags", {"-isysroot", xcode_sdkdir})
-            else
-                -- @see https://github.com/xmake-io/xmake/issues/1179
-                local macsdk = "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
-                if os.exists(macsdk) then
-                    toolchain:add("cxflags", {"-isysroot", macsdk})
-                    toolchain:add("mxflags", {"-isysroot", macsdk})
-                    toolchain:add("ldflags", {"-isysroot", macsdk})
-                    toolchain:add("shflags", {"-isysroot", macsdk})
-                end
-            end
-            toolchain:add("mxflags", "-fobjc-arc")
         end
 
         -- add bin search library for loading some dependent .dll files windows