r315486 - [clang-fuzzer] Allow linking with any fuzzing engine.

[Matt Morehouse via cfe-commits]

Author: morehouse
Date: Wed Oct 11 11:29:24 2017
New Revision: 315486

URL: http://llvm.org/viewvc/llvm-project?rev=315486&view=rev
Log:
[clang-fuzzer] Allow linking with any fuzzing engine.

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

https://llvm.org/pr34314

Reviewers: vitalybuka, kcc

Reviewed By: kcc

Subscribers: cfe-commits, mgorny

Differential Revision: https://reviews.llvm.org/D38812

Modified:
    cfe/trunk/tools/clang-fuzzer/CMakeLists.txt

Modified: cfe/trunk/tools/clang-fuzzer/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-fuzzer/CMakeLists.txt?rev=315486&r1=315485&r2=315486&view=diff
==============================================================================
--- cfe/trunk/tools/clang-fuzzer/CMakeLists.txt (original)
+++ cfe/trunk/tools/clang-fuzzer/CMakeLists.txt Wed Oct 11 11:29:24 2017
@@ -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 @@ if(CLANG_ENABLE_PROTO_FUZZER)
   target_link_libraries(clang-proto-fuzzer
     ${ProtobufMutator_LIBRARIES}
     ${PROTOBUF_LIBRARIES}
+    ${LIB_FUZZING_ENGINE}
     clangCXXProto
     clangHandleCXX
     clangProtoToCXX
@@ -63,5 +66,6 @@ add_clang_executable(clang-fuzzer
   )
 
 target_link_libraries(clang-fuzzer
+  ${LIB_FUZZING_ENGINE}
   clangHandleCXX
   )