[gn] port 3c657ce (llvm-ml64)

Author: nico

llvm/utils/gn/secondary/BUILD.gn

@@ -100,6 +100,9 @@ group("llvm-libtool-darwin") {
 group("llvm-lipo") {
   deps = [ "//llvm/tools/llvm-lipo:symlinks" ]
 }
+group("llvm-ml") {
+  deps = [ "//llvm/tools/llvm-ml:symlinks" ]
+}
 group("llvm-objcopy") {
   deps = [ "//llvm/tools/llvm-objcopy:symlinks" ]
 }

llvm/utils/gn/secondary/llvm/test/BUILD.gn

@@ -295,7 +295,7 @@ group("test") {
     "//llvm/tools/llvm-lto2",
     "//llvm/tools/llvm-mc",
     "//llvm/tools/llvm-mca",
-    "//llvm/tools/llvm-ml",
+    "//llvm/tools/llvm-ml:symlinks",
     "//llvm/tools/llvm-modextract",
     "//llvm/tools/llvm-mt",
     "//llvm/tools/llvm-nm",

llvm/utils/gn/secondary/llvm/tools/llvm-ml/BUILD.gn

@@ -1,11 +1,23 @@
 import("//llvm/utils/TableGen/tablegen.gni")
 import("//llvm/utils/gn/build/driver_executable.gni")
+import("//llvm/utils/gn/build/symlink_or_copy.gni")
 
 tablegen("Opts") {
   visibility = [ ":llvm-ml" ]
   args = [ "-gen-opt-parser-defs" ]
 }
 
+symlink_or_copy("llvm-ml64") {
+  deps = [ ":llvm-ml" ]
+  source = "llvm-ml"
+  output = "$root_out_dir/bin/llvm-ml64"
+}
+
+# //:llvm-ml depends on this symlink target, see comment in //BUILD.gn.
+group("symlinks") {
+  deps = [ ":llvm-ml64" ]
+}
+
 driver_executable("llvm-ml") {
   deps = [
     ":Opts",