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| author | John McCall <rjmccall@apple.com> | 2011-09-09 20:41:01 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-09-09 20:41:01 +0000 |
| commit | 7959fee25860cc995964761a6bff9415947a44a4 (patch) | |
| tree | 96490f32e5d1c119950c0f22c869d1c73cd38861 /clang/lib/Driver/Tools.cpp | |
| parent | e1378a431305a1c8f3de6322255964d9b2c11503 (diff) | |
| download | bcm5719-llvm-7959fee25860cc995964761a6bff9415947a44a4.tar.gz bcm5719-llvm-7959fee25860cc995964761a6bff9415947a44a4.zip | |
Treat the weak export of block runtime symbols as a deployment-target
feature akin to the ARC runtime checks. Removes a terrible hack where
IR gen needed to find the declarations of those symbols in the translation
unit.
llvm-svn: 139404
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 3158a517fbd..691e96cb115 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1718,6 +1718,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.hasArg(options::OPT_fobjc_nonfragile_abi) && !Args.hasArg(options::OPT_fno_blocks))) { CmdArgs.push_back("-fblocks"); + + if (!Args.hasArg(options::OPT_fgnu_runtime) && + !getToolChain().hasBlocksRuntime()) + CmdArgs.push_back("-fblocks-runtime-optional"); } // -faccess-control is default. |
