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# Copyright 2021 The Tint Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if (NOT (${CMAKE_CXX_COMPILER_ID} MATCHES Clang))
message(FATAL_ERROR "Libfuzzer is supported only on clang")
endif ()
set(PROTOBUF_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/protobufs/tint_ast_fuzzer.proto)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/protobufs)
add_custom_command(
OUTPUT
${CMAKE_CURRENT_BINARY_DIR}/protobufs/tint_ast_fuzzer.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/protobufs/tint_ast_fuzzer.pb.h
COMMAND
"protobuf::protoc" -I=${CMAKE_CURRENT_SOURCE_DIR}/protobufs
--cpp_out=${CMAKE_CURRENT_BINARY_DIR}/protobufs ${PROTOBUF_SOURCES}
DEPENDS ${PROTOBUF_SOURCES}
COMMENT "Generate protobuf sources from proto definition file.")
set(LIBTINT_AST_FUZZER_SOURCES
mt_rng.h
mutation.h
mutation_finder.h
mutation_finders/replace_identifiers.h
mutations/replace_identifier.h
mutator.h
node_id_map.h
probability_context.h
protobufs/tint_ast_fuzzer.h
random_number_generator.h
util.h
${CMAKE_CURRENT_BINARY_DIR}/protobufs/tint_ast_fuzzer.pb.h)
set(LIBTINT_AST_FUZZER_SOURCES ${LIBTINT_AST_FUZZER_SOURCES}
mt_rng.cc
mutation.cc
mutation_finder.cc
mutation_finders/replace_identifiers.cc
mutations/replace_identifier.cc
mutator.cc
node_id_map.cc
probability_context.cc
random_number_generator.cc
${CMAKE_CURRENT_BINARY_DIR}/protobufs/tint_ast_fuzzer.pb.cc)
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/protobufs/tint_ast_fuzzer.pb.cc PROPERTIES COMPILE_FLAGS -w)
# Add static library target.
add_library(libtint_ast_fuzzer STATIC ${LIBTINT_AST_FUZZER_SOURCES})
target_link_libraries(libtint_ast_fuzzer protobuf::libprotobuf libtint)
tint_default_compile_options(libtint_ast_fuzzer)
target_include_directories(libtint_ast_fuzzer PRIVATE ${CMAKE_BINARY_DIR})
set(AST_FUZZER_SOURCES
cli.cc
cli.h
fuzzer.cc
../tint_common_fuzzer.cc
../tint_common_fuzzer.h)
set_source_files_properties(fuzzer.cc PROPERTIES COMPILE_FLAGS -Wno-missing-prototypes)
# Add libfuzzer target.
add_executable(tint_ast_fuzzer ${AST_FUZZER_SOURCES})
target_link_libraries(tint_ast_fuzzer libtint-fuzz libtint_ast_fuzzer)
tint_default_compile_options(tint_ast_fuzzer)
target_compile_definitions(tint_ast_fuzzer PRIVATE CUSTOM_MUTATOR)
target_include_directories(tint_ast_fuzzer PRIVATE ${CMAKE_BINARY_DIR})
# Add tests.
if (${TINT_BUILD_TESTS})
set(TEST_SOURCES
mutations/replace_identifier_test.cc)
add_executable(tint_ast_fuzzer_unittests ${TEST_SOURCES})
target_include_directories(
tint_ast_fuzzer_unittests PRIVATE ${gmock_SOURCE_DIR}/include)
target_link_libraries(tint_ast_fuzzer_unittests gmock_main libtint_ast_fuzzer)
tint_default_compile_options(tint_ast_fuzzer_unittests)
target_compile_options(tint_ast_fuzzer_unittests PRIVATE
-Wno-global-constructors
-Wno-weak-vtables
-Wno-covered-switch-default)
target_include_directories(tint_ast_fuzzer_unittests PRIVATE ${CMAKE_BINARY_DIR})
add_test(NAME tint_ast_fuzzer_unittests COMMAND tint_ast_fuzzer_unittests)
endif ()