Driver: Honor %INCLUDE% when built with MinGW
Users are expected to pass system includes through the INCLUDE environment variable on Windows. There's no reason to change behavior based on the toolchain used to build Clang. I didn't change the registry searching code because I'm not sure it builds with mingw and I'm not set up to test it. llvm-svn: 206934
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@ -293,7 +293,6 @@ void Windows::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
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if (DriverArgs.hasArg(options::OPT_nostdlibinc))
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return;
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#ifdef _MSC_VER
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// Honor %INCLUDE%. It should know essential search paths with vcvarsall.bat.
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if (const char *cl_include_dir = getenv("INCLUDE")) {
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SmallVector<StringRef, 8> Dirs;
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@ -305,6 +304,7 @@ void Windows::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
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return;
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}
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#ifdef _MSC_VER
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std::string VSDir;
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std::string WindowsSDKDir;
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@ -0,0 +1,4 @@
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// RUN: env INCLUDE=my_system_headers %clang -c %s -### 2>&1 | FileCheck %s
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// RUN: env INCLUDE=my_system_headers %clang_cl -c %s -### 2>&1 | FileCheck %s
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// CHECK: "-cc1"
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// CHECK: "-internal-isystem" "my_system_headers"
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