merge(3p/immer): Subtree merge at 'ad3e3556d' as 'third_party/immer' r/1299

Change-Id: I9636a41ad44b4218293833fd3e9456d9b07c731b

1 files changed, 29 insertions, 0 deletions

diff --git a/third_party/immer/extra/fuzzer/CMakeLists.txt b/third_party/immer/extra/fuzzer/CMakeLists.txt
new file mode 100644
index 000000000000..777289f8a12d
--- /dev/null
+++ b/third_party/immer/extra/fuzzer/CMakeLists.txt
@@ -0,0 +1,29 @@
+
+add_custom_target(fuzzers
+  COMMENT "Build all fuzzers.")
+
+if (CHECK_FUZZERS)
+  add_dependencies(tests fuzzers)
+endif()
+
+# LIB_FUZZING_ENGINE is set by the Google OSS-Fuzz
+# infrastructure. Otherwise we use Clang's LibFuzzer
+if (DEFINED ENV{LIB_FUZZING_ENGINE})
+  set(immer_fuzzing_engine $ENV{LIB_FUZZING_ENGINE})
+else()
+  set(immer_fuzzing_engine "-fsanitize=fuzzer")
+endif()
+
+file(GLOB_RECURSE immer_fuzzers "*.cpp")
+foreach(_file IN LISTS immer_fuzzers)
+  immer_target_name_for(_target _output "${_file}")
+  add_executable(${_target} EXCLUDE_FROM_ALL "${_file}")
+  set_target_properties(${_target} PROPERTIES OUTPUT_NAME ${_output})
+  target_compile_options(${_target} PUBLIC ${immer_fuzzing_engine})
+  target_link_libraries(${_target} PUBLIC ${immer_fuzzing_engine}
+    immer-dev)
+  add_dependencies(fuzzers ${_target})
+  if (CHECK_FUZZERS)
+    add_test("fuzzer/${_output}" ${_output} -max_total_time=1)
+  endif()
+endforeach()