зеркало из https://github.com/microsoft/clang-1.git
Add a default system include of '/include'. This isn't particularly
useful when using Clang as a system-compiler, but its harmless. When using Clang as a cross-compiler, this can be very handy as quite a few toolchains ship their libc headers here rather than under '/usr/include'. For reference, this is the beginning of my work to also make the Clang driver more suitable as a cross-compiler. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144089 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1987,6 +1987,11 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
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if (getTriple().getOS() == llvm::Triple::RTEMS)
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return;
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// Add an include of '/include' directly. This isn't provided by default by
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// system GCCs, but is often used with cross-compiling GCCs, and harmless to
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// add even when Clang is acting as-if it were a system compiler.
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addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/include");
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addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
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}
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