[llvm] 7ed0891 - [gn build] port f06abbb39380 a bit (create main() functions for GENERATE_DRIVER targets)

[Nico Weber via llvm-commits]

Author: Nico Weber
Date: 2022-06-06T06:28:52-04:00
New Revision: 7ed089153c943bee62fe59549e96d57e52ec980a

URL: https://github.com/llvm/llvm-project/commit/7ed089153c943bee62fe59549e96d57e52ec980a
DIFF: https://github.com/llvm/llvm-project/commit/7ed089153c943bee62fe59549e96d57e52ec980a.diff

LOG: [gn build] port f06abbb39380 a bit (create main() functions for GENERATE_DRIVER targets)

Added: 
    llvm/utils/gn/build/driver_executable.gni

Modified: 
    llvm/utils/gn/secondary/clang/tools/driver/BUILD.gn
    llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn
    llvm/utils/gn/secondary/llvm/tools/llvm-ar/BUILD.gn
    llvm/utils/gn/secondary/llvm/tools/llvm-cxxfilt/BUILD.gn
    llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn

Removed: 
    


################################################################################
diff  --git a/llvm/utils/gn/build/driver_executable.gni b/llvm/utils/gn/build/driver_executable.gni
new file mode 100644
index 0000000000000..f838cb8e5ad22
--- /dev/null
+++ b/llvm/utils/gn/build/driver_executable.gni
@@ -0,0 +1,23 @@
+import("//llvm/utils/gn/build/write_cmake_config.gni")
+
+# Corresponds to GENERATE_DRIVER in cmake (see add_llvm_executable in
+# llvm/cmake/modules/AddLLVM.cmake).
+template("driver_executable") {
+  tool_name = string_replace(target_name, "-", "_")
+
+  write_cmake_config("${tool_name}-driver") {
+    input = "//llvm/cmake/driver-template.cpp.in"
+    output = "$target_gen_dir/${tool_name}-driver.cpp"
+    values = [ "TOOL_NAME=$tool_name" ]
+  }
+
+  executable(target_name) {
+    forward_variables_from(invoker, "*")
+    deps += [ ":${tool_name}-driver" ]
+    sources += [ "$target_gen_dir/${tool_name}-driver.cpp" ]
+  }
+}
+
+set_defaults("driver_executable") {
+  configs = shared_binary_target_configs
+}

diff  --git a/llvm/utils/gn/secondary/clang/tools/driver/BUILD.gn b/llvm/utils/gn/secondary/clang/tools/driver/BUILD.gn
index f09d87c056136..8f7432161b4bb 100644
--- a/llvm/utils/gn/secondary/clang/tools/driver/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/tools/driver/BUILD.gn
@@ -1,3 +1,4 @@
+import("//llvm/utils/gn/build/driver_executable.gni")
 import("//llvm/utils/gn/build/symlink_or_copy.gni")
 import("//llvm/utils/gn/build/write_cmake_config.gni")
 import("//llvm/version.gni")
@@ -46,7 +47,7 @@ if (host_os == "mac") {
   }
 }
 
-executable("clang") {
+driver_executable("clang") {
   configs += [ "//llvm/utils/gn/build:clang_code" ]
   deps = [
     "//clang/include/clang/Config",

diff  --git a/llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn
index 8e8902d47cbb4..9a94179c7d032 100644
--- a/llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn
@@ -1,11 +1,12 @@
 import("//llvm/utils/TableGen/tablegen.gni")
+import("//llvm/utils/gn/build/driver_executable.gni")
 
 tablegen("Options") {
   visibility = [ ":dsymutil" ]
   args = [ "-gen-opt-parser-defs" ]
 }
 
-executable("dsymutil") {
+driver_executable("dsymutil") {
   deps = [
     ":Options",
     "//llvm/lib/CodeGen/AsmPrinter",

diff  --git a/llvm/utils/gn/secondary/llvm/tools/llvm-ar/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-ar/BUILD.gn
index 9d4ae2cbf8a1d..61e57f6858b4b 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-ar/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-ar/BUILD.gn
@@ -1,4 +1,5 @@
 import("//llvm/tools/binutils_symlinks.gni")
+import("//llvm/utils/gn/build/driver_executable.gni")
 import("//llvm/utils/gn/build/symlink_or_copy.gni")
 
 symlinks = [
@@ -29,7 +30,7 @@ group("symlinks") {
   }
 }
 
-executable("llvm-ar") {
+driver_executable("llvm-ar") {
   deps = [
     "//llvm/lib/IR",
     "//llvm/lib/Object",

diff  --git a/llvm/utils/gn/secondary/llvm/tools/llvm-cxxfilt/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-cxxfilt/BUILD.gn
index 081f77d29dfac..77cf73e0704e2 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-cxxfilt/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-cxxfilt/BUILD.gn
@@ -1,5 +1,6 @@
 import("//llvm/tools/binutils_symlinks.gni")
 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") {
@@ -23,7 +24,7 @@ group("symlinks") {
   }
 }
 
-executable("llvm-cxxfilt") {
+driver_executable("llvm-cxxfilt") {
   deps = [
     ":Opts",
     "//llvm/lib/Demangle",

diff  --git a/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn
index 01df0df335ab9..8f6353bd8bb04 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn
@@ -1,6 +1,7 @@
 import("//llvm/tools/binutils_symlinks.gni")
 import("//llvm/tools/cctools_symlinks.gni")
 import("//llvm/utils/TableGen/tablegen.gni")
+import("//llvm/utils/gn/build/driver_executable.gni")
 import("//llvm/utils/gn/build/symlink_or_copy.gni")
 
 tablegen("BitcodeStripOpts") {
@@ -56,7 +57,7 @@ group("symlinks") {
   }
 }
 
-executable("llvm-objcopy") {
+driver_executable("llvm-objcopy") {
   deps = [
     ":BitcodeStripOpts",
     ":InstallNameToolOpts",