[PATCH] D38812: [clang-fuzzer] Allow linking with any fuzzing engine.

[Matt Morehouse via Phabricator via cfe-commits]

morehouse created this revision.
Herald added a subscriber: mgorny.

Makes clang-[proto-]fuzzer compatible with flags specified by OSS-Fuzz.

https://llvm.org/pr34314


https://reviews.llvm.org/D38812

Files:
  clang/tools/clang-fuzzer/CMakeLists.txt


Index: clang/tools/clang-fuzzer/CMakeLists.txt
===================================================================
--- clang/tools/clang-fuzzer/CMakeLists.txt
+++ clang/tools/clang-fuzzer/CMakeLists.txt
@@ -1,7 +1,9 @@
 set(LLVM_LINK_COMPONENTS ${LLVM_TARGETS_TO_BUILD} FuzzMutate)
 set(CXX_FLAGS_NOFUZZ ${CMAKE_CXX_FLAGS})
 set(DUMMY_MAIN DummyClangFuzzer.cpp)
-if(LLVM_USE_SANITIZE_COVERAGE)
+if(DEFINED LIB_FUZZING_ENGINE)
+  unset(DUMMY_MAIN)
+elseif(LLVM_USE_SANITIZE_COVERAGE)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer")
   set(CXX_FLAGS_NOFUZZ "${CXX_FLAGS_NOFUZZ} -fsanitize=fuzzer-no-link")
   unset(DUMMY_MAIN)
@@ -48,6 +50,7 @@
   target_link_libraries(clang-proto-fuzzer
     ${ProtobufMutator_LIBRARIES}
     ${PROTOBUF_LIBRARIES}
+    ${LIB_FUZZING_ENGINE}
     clangCXXProto
     clangHandleCXX
     clangProtoToCXX
@@ -63,5 +66,6 @@
   )
 
 target_link_libraries(clang-fuzzer
+  ${LIB_FUZZING_ENGINE}
   clangHandleCXX
   )


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