[gn build] Add build files for clang/tools/{arcmt-test,clang-check,clang-func-mapping}

[thakis]

Summary

Needed for check-clang.

[phosek]

LGTM

llvm/trunk/utils/gn/secondary/BUILD.gn

+import("//clang/lib/ARCMigrate/enable.gni")
+import("//clang/lib/StaticAnalyzer/Frontend/enable.gni")
+
 group("default") {
   deps = [
     ":clang",
     "//clang/tools/clang-diff",
     "//clang/tools/clang-format",
     "//clang/tools/clang-import-test",
     "//clang/tools/clang-refactor",
     "//clang/tools/clang-rename",
     "//clang/tools/diagtool",
     "//clang/utils/hmaptool",
     "//lld/test",
     "//llvm/tools/llvm-cat",
     "//llvm/tools/llvm-lto",
     "//llvm/tools/llvm-lto2",
     "//llvm/tools/llvm-modextract",
     "//llvm/tools/llvm-profdata",
     "//llvm/tools/llvm-symbolizer:symlinks",
     "//llvm/tools/llvm-undname",
   ]
+  if (clang_enable_arcmt) {
+    deps += [ "//clang/tools/arcmt-test" ]
+  }
+  if (clang_enable_static_analyzer) {
+    deps += [
+      "//clang/tools/clang-check",
+      "//clang/tools/clang-func-mapping",
+    ]
+  }
   testonly = true
 }
 
 # Symlink handling.
 # On POSIX, symlinks to the target can be created before the target exist,
 # and the target can depend on the symlink targets, so that building the
 # target ensures the symlinks exist.
 # However, symlinks didn't exist on Windows until recently, so there the

llvm/trunk/utils/gn/secondary/clang/tools/arcmt-test/BUILD.gn

+executable("arcmt-test") {
+  configs += [ "//llvm/utils/gn/build:clang_code" ]
+  deps = [
+    "//clang/lib/ARCMigrate",
+    "//clang/lib/Basic",
+    "//clang/lib/Frontend",
+    "//clang/lib/Lex",
+    "//llvm/lib/Support",
+  ]
+  sources = [
+    "arcmt-test.cpp",
+  ]
+}

llvm/trunk/utils/gn/secondary/clang/tools/clang-check/BUILD.gn

+executable("clang-check") {
+  configs += [ "//llvm/utils/gn/build:clang_code" ]
+  deps = [
+    "//clang/lib/AST",
+    "//clang/lib/Basic",
+    "//clang/lib/Driver",
+    "//clang/lib/Frontend",
+    "//clang/lib/Frontend/Rewrite",
+    "//clang/lib/StaticAnalyzer/Frontend",
+    "//clang/lib/Tooling",
+    "//llvm/lib/Option",
+    "//llvm/lib/Support",
+    "//llvm/lib/Target:TargetsToBuild",
+  ]
+  sources = [
+    "ClangCheck.cpp",
+  ]
+}

llvm/trunk/utils/gn/secondary/clang/tools/clang-func-mapping/BUILD.gn

+executable("clang-func-mapping") {
+  configs += [ "//llvm/utils/gn/build:clang_code" ]
+  deps = [
+    "//clang/lib/AST",
+    "//clang/lib/Basic",
+    "//clang/lib/CrossTU",
+    "//clang/lib/Frontend",
+    "//clang/lib/Index",
+    "//clang/lib/Tooling",
+    "//llvm/lib/AsmParser",
+    "//llvm/lib/MC",
+    "//llvm/lib/Support",
+  ]
+  sources = [
+    "ClangFnMapGen.cpp",
+  ]
+}