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Clang attempts to guess file names based on the OS and distro (yes!),
but unfortunately, that doesn't work for us.
This patch makes it easy to insert libc's $libdir so that Clang passes the
correct absolute file name of crt1.o etc. to 'ld'.
--- cfe-3.6.0.src/lib/Driver/ToolChains.cpp 2015-02-18 22:03:07.000000000 +0100
+++ cfe-3.6.0.src/lib/Driver/ToolChains.cpp 2015-06-19 16:37:20.459701044 +0200
@@ -3085,6 +3085,10 @@ Linux::Linux(const Driver &D, const llvm
addPathIfExists(SysRoot + "/lib", Paths);
addPathIfExists(SysRoot + "/usr/lib", Paths);
+
+ // Add libc's lib/ directory to the search path, so that crt1.o, crti.o,
+ // and friends can be found.
+ addPathIfExists("@GLIBC_LIBDIR@", Paths);
}
bool Linux::HasNativeLLVMSupport() const {
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