[PATCH] D60328: [gn] Make -no-exceptions flag a config

[Petr Hosek via Phabricator via llvm-commits]

phosek created this revision.
phosek added a reviewer: thakis.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This allows it to be disabled for targets that need exceptions
like libunwind, libc++abi and libc++.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D60328

Files:
  llvm/utils/gn/build/BUILD.gn
  llvm/utils/gn/build/BUILDCONFIG.gn


Index: llvm/utils/gn/build/BUILDCONFIG.gn
===================================================================
--- llvm/utils/gn/build/BUILDCONFIG.gn
+++ llvm/utils/gn/build/BUILDCONFIG.gn
@@ -5,6 +5,7 @@
 shared_binary_target_configs = [
   "//llvm/utils/gn/build:compiler_defaults",
   "//llvm/utils/gn/build:llvm_code",
+  "//llvm/utils/gn/build:no_exceptions",
   "//llvm/utils/gn/build:no_rtti",
   "//llvm/utils/gn/build:thin_archive",
   "//llvm/utils/gn/build:warn_covered_switch_default",
Index: llvm/utils/gn/build/BUILD.gn
===================================================================
--- llvm/utils/gn/build/BUILD.gn
+++ llvm/utils/gn/build/BUILD.gn
@@ -31,7 +31,6 @@
     cflags += [ "-fdiagnostics-color" ]
     cflags_cc = [
       "-std=c++11",
-      "-fno-exceptions",
       "-fvisibility-inlines-hidden",
     ]
   } else {
@@ -139,6 +138,10 @@
   }
 }
 
+config("no_exceptions") {
+  cflags_cc = [ "-fno-exceptions" ]
+}
+
 config("no_rtti") {
   if (current_os == "win") {
     cflags_cc = [ "/GR-" ]


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