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[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

llvm-svn: 357797
This commit is contained in:
Petr Hosek 2019-04-05 19:12:37 +00:00
parent 36fc9c3107
commit 60d3a6224b
2 changed files with 5 additions and 1 deletions
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5
llvm/utils/gn/build/BUILD.gn
View File

@ -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-" ]

1
llvm/utils/gn/build/BUILDCONFIG.gn
View File

@ -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",