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Author: peterwaller-arm

llvm/utils/gn/build/BUILD.gn

@@ -63,7 +63,7 @@ config("compiler_defaults") {
   asmflags = target_flags
   cflags = target_flags
   cflags_cc = []
-  ldflags = target_flags + target_ldflags
+  ldflags = target_flags + target_ldflags + ["-Wl,--gdb-index"]
 
   # Mostly for compiler-rt, see compiler-rt/cmake/config-ix.cmake
   if (current_os == "ios") {

llvm/utils/gn/build/toolchain/BUILD.gn

@@ -175,7 +175,7 @@ template("unix_toolchain") {
 unix_toolchain("unix") {
   if (current_os != "ios" && current_os != "mac") {
     if (clang_base_path != "") {
-      ar = rebase_path(clang_base_path, root_build_dir) + "/bin/llvm-ar"
+      ar = rebase_path(clang_base_path, root_build_dir) + "/bin/ar"
     } else {
       ar = "ar"
     }

llvm/utils/gn/secondary/clang-tools-extra/test/BUILD.gn

@@ -35,7 +35,6 @@ write_lit_config("lit_site_cfg") {
     "CURRENT_TOOLS_DIR=" + rebase_path("$root_out_dir/bin"),
     "CLANG_PLUGIN_SUPPORT=0",
     "LLVM_HOST_TRIPLE=$llvm_current_triple",
-    "LLVM_INSTALL_TOOLCHAIN_ONLY=0",
     "LLVM_LIT_TOOLS_DIR=",  # Intentionally empty, matches cmake build.
     "LLVM_TOOLS_DIR=" + rebase_path("$root_out_dir/bin"),
     "Python3_EXECUTABLE=$python_path",

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

@@ -5,6 +5,7 @@ static_library("MCA") {
     "//llvm/lib/MC",
     "//llvm/lib/Support",
   ]
+  cflags_cc = ["-ggdb3", "-ggnu-pubnames", "-gdwarf-4"]
   include_dirs = [ "../include" ]
   sources = [
     "CodeEmitter.cpp",