[cmake-developers] [PATCH] Let CMake know that clang uses the GCC toolchain.

[Chaoren Lin]

Clang on Windows uses the GCC toolchain, so we need to avoid using
backslashes for paths in response files.
---
 Source/cmGlobalNinjaGenerator.cxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 51175c7..776a44f 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -558,7 +558,12 @@ void cmGlobalNinjaGenerator::EnableLanguage(
       strcmp(mf->GetSafeDefinition("CMAKE_C_COMPILER_ID"), "GNU") == 0 ||
       strcmp(mf->GetSafeDefinition("CMAKE_CXX_COMPILER_ID"), "GNU") == 0 ||
       strcmp(mf->GetSafeDefinition("CMAKE_C_SIMULATE_ID"), "GNU") == 0 ||
-      strcmp(mf->GetSafeDefinition("CMAKE_CXX_SIMULATE_ID"), "GNU") == 0) {
+      strcmp(mf->GetSafeDefinition("CMAKE_CXX_SIMULATE_ID"), "GNU") == 0 ||
+      // Clang uses the GCC toolchain.
+      strcmp(mf->GetSafeDefinition("CMAKE_C_COMPILER_ID"), "Clang") == 0 ||
+      strcmp(mf->GetSafeDefinition("CMAKE_CXX_COMPILER_ID"), "Clang") == 0 ||
+      strcmp(mf->GetSafeDefinition("CMAKE_C_SIMULATE_ID"), "Clang") == 0 ||
+      strcmp(mf->GetSafeDefinition("CMAKE_CXX_SIMULATE_ID"), "Clang") == 0) {
     this->UsingGCCOnWindows = true;
   }
 #endif
-- 
2.8.0.rc3.226.g39d4020