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Driver/Darwin: Support CCC_ENABLE_NEW_DARWIN_TOOLCHAIN as an environment 

override to enable use of the DarwinClang tool chain on all platforms (not just
ARM).

llvm-svn: 99660
This commit is contained in:
Daniel Dunbar 2010-03-26 22:41:03 +00:00
parent 0b57de3c4c
commit 9abbebedc8
1 changed files with 6 additions and 4 deletions
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10
clang/lib/Driver/HostInfo.cpp
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@ -144,13 +144,15 @@ ToolChain *DarwinHostInfo::CreateToolChain(const ArgList &Args,
TCTriple.setArch(Arch);
// If we recognized the arch, match it to the toolchains we support.
if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) {
const char *UseNewToolChain = ::getenv("CCC_ENABLE_NEW_DARWIN_TOOLCHAIN");
if (UseNewToolChain ||
Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb) {
TC = new toolchains::DarwinClang(*this, TCTriple, DarwinVersion);
} else if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) {
// We still use the legacy DarwinGCC toolchain on X86.
TC = new toolchains::DarwinGCC(*this, TCTriple, DarwinVersion,
GCCVersion);
} else if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
TC = new toolchains::DarwinClang(*this, TCTriple, DarwinVersion);
else
} else
TC = new toolchains::Darwin_Generic_GCC(*this, TCTriple);
}