commit 53dccbebe7767265b5c43db7809029ab902ca953
author Vitaly Buka <vitalybuka@google.com> Mon Oct 16 18:27:21 2017 -0700
committer Vitaly Buka <vitalybuka@gmail.com> Mon Oct 16 18:32:44 2017 -0700
tree 1c418d2e204e466aafb6e4e27c79e3f5a2fc5afe
parent 99a97c08884de9554f9943f1e23004ccbe832c13

Return LIB_PROTO_MUTATOR_FUZZER_LIBRARIES as it's used by OSS-fuzz

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e8d9c43..c018d45 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@
 option(LIB_PROTO_MUTATOR_DOWNLOAD_PROTOBUF
        "Automatically download working protobuf" OFF)
 option(LIB_PROTO_MUTATOR_WITH_ASAN "Enable address sanitizer" OFF)
+set(LIB_PROTO_MUTATOR_FUZZER_LIBRARIES "" CACHE STRING "Fuzzing engine libs")
 
 # External dependencies
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/external)
@@ -77,12 +78,15 @@
   endif()
 endif()
 
-if (LIB_PROTO_MUTATOR_HAS_SANITIZE_FUZZER)
-  set(FUZZING_FLAGS "-fsanitize=fuzzer-no-link")
-  set(FUZZING_FLAGS_BINARY "-fsanitize=fuzzer")
-endif()
-if (LIB_PROTO_MUTATOR_HAS_SANITIZE_NO_FUZZER)
-  set(NO_FUZZING_FLAGS "-fno-sanitize=fuzzer")
+# Assume CFLAGS has coverage options if LIB_PROTO_MUTATOR_FUZZER_LIBRARIES was set
+if ("${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES}" STREQUAL "")
+  if (LIB_PROTO_MUTATOR_HAS_SANITIZE_FUZZER)
+    set(FUZZING_FLAGS "-fsanitize=fuzzer-no-link")
+    set(FUZZING_FLAGS_BINARY "-fsanitize=fuzzer")
+  endif()
+  if (LIB_PROTO_MUTATOR_HAS_SANITIZE_NO_FUZZER)
+    set(NO_FUZZING_FLAGS "-fno-sanitize=fuzzer")
+  endif()
 endif()
 if (LIB_PROTO_MUTATOR_HAS_NO_COVERAGE)
   set(NO_FUZZING_FLAGS "${NO_FUZZING_FLAGS} -fsanitize-coverage=0")
@@ -118,7 +122,8 @@
 
 add_subdirectory(src)
 
-if (NOT "${FUZZING_FLAGS}" STREQUAL "")
+if (NOT "${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES}" STREQUAL "" OR
+    NOT "${FUZZING_FLAGS}" STREQUAL "")
   add_subdirectory(examples EXCLUDE_FROM_ALL)
 endif()
 

examples/expat/CMakeLists.txt

diff --git a/examples/expat/CMakeLists.txt b/examples/expat/CMakeLists.txt
index 1edb457..f2031f5 100644
--- a/examples/expat/CMakeLists.txt
+++ b/examples/expat/CMakeLists.txt
@@ -20,6 +20,7 @@
                expat_example.cc)
 target_link_libraries(expat_example
                       protobuf-mutator-xml
+                      ${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES}
                       ${EXPAT_LIBRARIES})
 set_property(TARGET expat_example
              PROPERTY COMPILE_FLAGS ${FUZZING_FLAGS})

examples/libfuzzer/CMakeLists.txt

diff --git a/examples/libfuzzer/CMakeLists.txt b/examples/libfuzzer/CMakeLists.txt
index 18eaf89..dc39177 100644
--- a/examples/libfuzzer/CMakeLists.txt
+++ b/examples/libfuzzer/CMakeLists.txt
@@ -33,7 +33,8 @@
   add_executable(${fuzzer} ${fuzzer}.cc)
   target_link_libraries(${fuzzer}
                         fuzzer-example-proto
-                        protobuf-mutator-libfuzzer)
+                        protobuf-mutator-libfuzzer
+                        ${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES})
   set_property(TARGET ${fuzzer}
                PROPERTY COMPILE_FLAGS ${FUZZING_FLAGS})
   set_property(TARGET ${fuzzer}

examples/libxml2/CMakeLists.txt

diff --git a/examples/libxml2/CMakeLists.txt b/examples/libxml2/CMakeLists.txt
index 7097303..cf9f8a2 100644
--- a/examples/libxml2/CMakeLists.txt
+++ b/examples/libxml2/CMakeLists.txt
@@ -19,6 +19,7 @@
                libxml2_example.cc)
 target_link_libraries(libxml2_example
                       protobuf-mutator-xml
+                      ${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES}
                       ${LIBXML2_LIBRARIES}
                       ${ZLIB_LIBRARIES}
                       ${LIBLZMA_LIBRARIES})