[PATCH] D41568: [cmake] Always respect existing CMAKE_REQUIRED_FLAGS when adding additional ones.

[Saleem Abdulrasool via Phabricator via llvm-commits]

compnerd accepted this revision.
compnerd added inline comments.
This revision is now accepted and ready to land.


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Comment at: cmake/modules/CheckAtomic.cmake:11
   set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
-  set(CMAKE_REQUIRED_FLAGS "-std=c++11")
+  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -std=c++11")
   CHECK_CXX_SOURCE_COMPILES("
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I really wish that we could reuse the language properties instead.


https://reviews.llvm.org/D41568