Add LibFuzzer to makefile

CMakeLists.txt

@@ -18,6 +18,12 @@ cmake_minimum_required(VERSION 2.8)
 enable_language(C)
 enable_language(CXX)
 
+set(BUILD_LIBFUZZER "$ENV{BUILD_LIBFUZZER}")
+if (BUILD_LIBFUZZER)
+    SET(CMAKE_C_COMPILER clang-6.0)
+    SET(CMAKE_CXX_COMPILER clang++-6.0)
+endif ()
+
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 if(NOT CMAKE_BUILD_TYPE)
@@ -71,7 +77,7 @@ target_include_directories(${PROJECT_NAME}32
   PUBLIC SYSTEM "${CMAKE_SOURCE_DIR}/src/include"
 )
 
-# Install the
+# Install the library
 install(
   DIRECTORY "${CMAKE_SOURCE_DIR}/src/include/deepstate"
   DESTINATION include
@@ -84,6 +90,28 @@ install(
   ARCHIVE DESTINATION lib
 )
 
+if (BUILD_LIBFUZZER)
+    add_library(${PROJECT_NAME}_LF STATIC
+       src/lib/DeepState.c
+       src/lib/Log.c
+       src/lib/Option.c
+       src/lib/Stream.c
+    )
+    
+    target_compile_options(${PROJECT_NAME}_LF PUBLIC -mno-avx -fsanitize=fuzzer-no-link)
+    
+    target_include_directories(${PROJECT_NAME}_LF
+       PUBLIC SYSTEM "${CMAKE_SOURCE_DIR}/src/include"
+    )
+    
+    install(
+       TARGETS ${PROJECT_NAME} ${PROJECT_NAME}_LF
+       LIBRARY DESTINATION lib
+       ARCHIVE DESTINATION lib
+    )
+endif ()
+
+
 set(SETUP_PY_IN "${CMAKE_SOURCE_DIR}/bin/setup.py.in")
 set(SETUP_PY "${CMAKE_CURRENT_BINARY_DIR}/setup.py")
 configure_file(${SETUP_PY_IN} ${SETUP_PY})