Driver: Add support for -fobjc-abi-version=.
- <rdar://problem/7919678>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index c407d8c..450c569 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1227,8 +1227,20 @@
// -fobjc-nonfragile-abi=0 is default.
if (types::isObjC(InputType)) {
+ unsigned Version = 1;
if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) ||
- getToolChain().IsObjCNonFragileABIDefault()) {
+ getToolChain().IsObjCNonFragileABIDefault())
+ Version = 2;
+ if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) {
+ if (llvm::StringRef(A->getValue(Args)) == "1")
+ Version = 1;
+ else if (llvm::StringRef(A->getValue(Args)) == "2")
+ Version = 2;
+ else
+ D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ }
+
+ if (Version == 2) {
CmdArgs.push_back("-fobjc-nonfragile-abi");
// -fobjc-dispatch-method is only relevant with the nonfragile-abi, and