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Driver/Darwin: Add one -L for the DarwinClang toolchain to point into the gcc

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library directory, as we still rely on a few libraries that are hiding there (in
particular libstdc++.dylib).

llvm-svn: 107353
This commit is contained in:
Daniel Dunbar 2010-06-30 23:56:13 +00:00
parent 35f3dd20a6
commit 9dcde4bdec
1 changed files with 27 additions and 0 deletions
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27
clang/lib/Driver/ToolChains.cpp
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@ -325,6 +325,33 @@ DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple,
void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
// The Clang toolchain uses explicit paths for internal libraries.
// Unfortunately, we still might depend on a few of the libraries that are
// only available in the gcc library directory (in particular
// libstdc++.dylib). For now, hardcode the path to the known install location.
llvm::sys::Path P(getDriver().Dir);
P.eraseComponent(); // .../usr/bin -> ../usr
P.appendComponent("lib");
P.appendComponent("gcc");
switch (getTriple().getArch()) {
default:
assert(0 && "Invalid Darwin arch!");
case llvm::Triple::x86:
case llvm::Triple::x86_64:
P.appendComponent("i686-apple-darwin10");
break;
case llvm::Triple::arm:
case llvm::Triple::thumb:
P.appendComponent("arm-apple-darwin10");
break;
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
P.appendComponent("powerpc-apple-darwin10");
break;
}
P.appendComponent("4.2.1");
if (P.exists())
CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
}
void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,