[compiler-rt] r330075 - [Fuzzer] Avoid C++ compiler checks for fuzzer C++ library

[Petr Hosek via llvm-commits]

Author: phosek
Date: Fri Apr 13 16:05:14 2018
New Revision: 330075

URL: http://llvm.org/viewvc/llvm-project?rev=330075&view=rev
Log:
[Fuzzer] Avoid C++ compiler checks for fuzzer C++ library

When bulding libFuzzer as part of the toolchain, C++ library may not
have been fully built yet so the C++ compiler checks will fail, but we
don't care since we don't need C++ library anyway as we're building
our own.

Differential Revision: https://reviews.llvm.org/D45638

Modified:
    compiler-rt/trunk/lib/fuzzer/CMakeLists.txt

Modified: compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/fuzzer/CMakeLists.txt?rev=330075&r1=330074&r2=330075&view=diff
==============================================================================
--- compiler-rt/trunk/lib/fuzzer/CMakeLists.txt (original)
+++ compiler-rt/trunk/lib/fuzzer/CMakeLists.txt Fri Apr 13 16:05:14 2018
@@ -103,7 +103,8 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linu
              -D_LIBCPP_ABI_VERSION=Fuzzer
              -D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS=1
              -fvisibility=hidden
-      CMAKE_ARGS -DLIBCXX_ENABLE_EXCEPTIONS=OFF
+      CMAKE_ARGS -DCMAKE_CXX_COMPILER_WORKS=ON
+                 -DLIBCXX_ENABLE_EXCEPTIONS=OFF
                  -DLIBCXX_CXX_ABI=none)
     target_compile_options(RTfuzzer.${arch} PRIVATE -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
     add_dependencies(RTfuzzer.${arch} libcxx_fuzzer_${arch}-build)