[gn] port a920ae3 (DWARFLinkerParallel)

Author: nico

llvm/utils/gn/secondary/llvm/lib/DWARFLinkerParallel/BUILD.gn

@@ -0,0 +1,13 @@
+static_library("DWARFLinkerParallel") {
+  output_name = "LLVMDWARFLinkerParallel"
+  deps = [
+    "//llvm/lib/BinaryFormat",
+    "//llvm/lib/CodeGen",
+    "//llvm/lib/CodeGen/AsmPrinter",
+    "//llvm/lib/DebugInfo/DWARF",
+    "//llvm/lib/MC",
+    "//llvm/lib/Object",
+    "//llvm/lib/Support",
+  ]
+  sources = [ "DWARFLinker.cpp" ]
+}

llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn

@@ -10,6 +10,7 @@ executable("dsymutil") {
     ":Options",
     "//llvm/lib/CodeGen/AsmPrinter",
     "//llvm/lib/DWARFLinker",
+    "//llvm/lib/DWARFLinkerParallel",
     "//llvm/lib/DebugInfo/DWARF",
     "//llvm/lib/MC",
     "//llvm/lib/Object",

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

@@ -9,6 +9,7 @@ executable("llvm-dwarfutil") {
   deps = [
     ":Options",
     "//llvm/lib/DWARFLinker",
+    "//llvm/lib/DWARFLinkerParallel",
     "//llvm/lib/DebugInfo/DWARF",
     "//llvm/lib/MC",
     "//llvm/lib/ObjCopy",

llvm/utils/gn/secondary/llvm/unittests/BUILD.gn

@@ -10,6 +10,7 @@ group("unittests") {
     "Bitstream:BitstreamTests",
     "CodeGen:CodeGenTests",
     "CodeGen/GlobalISel:GlobalISelTests",
+    "DWARFLinkerParallel:DWARFLinkerParallelTests",
     "DebugInfo/CodeView:DebugInfoCodeViewTests",
     "DebugInfo/DWARF:DebugInfoDWARFTests",
     "DebugInfo/GSYM:DebugInfoGSYMTests",

llvm/utils/gn/secondary/llvm/unittests/DWARFLinkerParallel/BUILD.gn

@@ -0,0 +1,10 @@
+import("//third-party/unittest/unittest.gni")
+
+unittest("DWARFLinkerParallelTests") {
+  deps = [
+    "//llvm/lib/DWARFLinkerParallel",
+    "//llvm/lib/Support",
+    "//llvm/lib/Testing/Support",
+  ]
+  sources = [ "DWARFLinkerTest.cpp" ]
+}