[llvm] r357797 - [gn] Make -no-exceptions flag a config

[Petr Hosek via llvm-commits]

Author: phosek
Date: Fri Apr  5 12:12:37 2019
New Revision: 357797

URL: http://llvm.org/viewvc/llvm-project?rev=357797&view=rev
Log:
[gn] Make -no-exceptions flag a config

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

Differential Revision: https://reviews.llvm.org/D60328

Modified:
    llvm/trunk/utils/gn/build/BUILD.gn
    llvm/trunk/utils/gn/build/BUILDCONFIG.gn

Modified: llvm/trunk/utils/gn/build/BUILD.gn
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/gn/build/BUILD.gn?rev=357797&r1=357796&r2=357797&view=diff
==============================================================================
--- llvm/trunk/utils/gn/build/BUILD.gn (original)
+++ llvm/trunk/utils/gn/build/BUILD.gn Fri Apr  5 12:12:37 2019
@@ -31,7 +31,6 @@ config("compiler_defaults") {
     cflags += [ "-fdiagnostics-color" ]
     cflags_cc = [
       "-std=c++11",
-      "-fno-exceptions",
       "-fvisibility-inlines-hidden",
     ]
   } else {
@@ -139,6 +138,10 @@ config("compiler_defaults") {
   }
 }
 
+config("no_exceptions") {
+  cflags_cc = [ "-fno-exceptions" ]
+}
+
 config("no_rtti") {
   if (current_os == "win") {
     cflags_cc = [ "/GR-" ]

Modified: llvm/trunk/utils/gn/build/BUILDCONFIG.gn
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/gn/build/BUILDCONFIG.gn?rev=357797&r1=357796&r2=357797&view=diff
==============================================================================
--- llvm/trunk/utils/gn/build/BUILDCONFIG.gn (original)
+++ llvm/trunk/utils/gn/build/BUILDCONFIG.gn Fri Apr  5 12:12:37 2019
@@ -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",