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re2 private headers issue #1862

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ccaaf92
re2 private headers issue
Sep 17, 2025
30c1061
fetch content issue
Sep 18, 2025
503386b
DOWNLOAD_DEPENDENCIES flag change
Sep 18, 2025
34a090c
add separate download flags
Kondachello Sep 23, 2025
7eeb570
formatting
Kondachello Sep 23, 2025
91c0c49
delete ds store
Kondachello Sep 24, 2025
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8 changes: 8 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,14 @@
cmake_minimum_required(VERSION 3.19)
project(fuzztest)

option(FUZZTEST_DOWNLOAD_ABSL "Download abseil-cpp using FetchContent." OFF)
option(FUZZTEST_DOWNLOAD_RE2 "Download re2 using FetchContent." OFF)
option(FUZZTEST_DOWNLOAD_GTEST "Download googletest using FetchContent." OFF)
option(FUZZTEST_DOWNLOAD_PROTOBUF "Download protobuf using FetchContent." OFF)
option(FUZZTEST_DOWNLOAD_NLOHMANN "Download nlohmann_json using FetchContent." OFF)
option(FUZZTEST_DOWNLOAD_FLATBUFFERS "Download flatbuffers using FetchContent." OFF)
option(FUZZTEST_DOWNLOAD_DEPENDENCIES "Download all dependencies using FetchContent." ON)

option(FUZZTEST_BUILD_TESTING "Building the tests." OFF)
option(FUZZTEST_BUILD_FLATBUFFERS "Building the flatbuffers support." OFF)
option(FUZZTEST_FUZZING_MODE "Building the fuzztest in fuzzing mode." OFF)
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137 changes: 86 additions & 51 deletions cmake/BuildDependencies.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -43,78 +43,113 @@ if(POLICY CMP0135)
set(CMAKE_POLICY_DEFAULT_CMP0135 NEW)
endif()

FetchContent_Declare(
abseil-cpp
GIT_REPOSITORY ${absl_URL}
GIT_TAG ${absl_TAG}
)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_ABSL)
FetchContent_Declare(
abseil-cpp
GIT_REPOSITORY ${absl_URL}
GIT_TAG ${absl_TAG}
)
else()
find_package(absl REQUIRED)
endif()

FetchContent_Declare(
re2
GIT_REPOSITORY ${re2_URL}
GIT_TAG ${re2_TAG}
)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_RE2)
FetchContent_Declare(
re2
GIT_REPOSITORY ${re2_URL}
GIT_TAG ${re2_TAG}
)
else()
find_package(re2 REQUIRED)
endif()

FetchContent_Declare(
googletest
GIT_REPOSITORY ${gtest_URL}
GIT_TAG ${gtest_TAG}
)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_GTEST)
FetchContent_Declare(
googletest
GIT_REPOSITORY ${gtest_URL}
GIT_TAG ${gtest_TAG}
)
else()
find_package(GTest REQUIRED)
endif()

FetchContent_Declare(
antlr_cpp
URL ${antlr_cpp_URL}
URL ${antlr_cpp_URL}
URL_HASH MD5=${antlr_cpp_MD5}
)

if (FUZZTEST_BUILD_FLATBUFFERS)
FetchContent_Declare(
flatbuffers
GIT_REPOSITORY ${flatbuffers_URL}
GIT_TAG ${flatbuffers_TAG}
)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_FLATBUFFERS)
FetchContent_Declare(
flatbuffers
GIT_REPOSITORY ${flatbuffers_URL}
GIT_TAG ${flatbuffers_TAG}
)
else()
find_package(flatbuffers REQUIRED)
endif()
endif()

if (FUZZTEST_BUILD_TESTING)

FetchContent_Declare(
protobuf
GIT_REPOSITORY ${proto_URL}
GIT_TAG ${proto_TAG}
)

FetchContent_Declare(
nlohmann_json
GIT_REPOSITORY ${nlohmann_json_URL}
GIT_TAG ${nlohmann_json_TAG}
)

if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_PROTOBUF)
FetchContent_Declare(
protobuf
GIT_REPOSITORY ${proto_URL}
GIT_TAG ${proto_TAG}
)
else()
find_package(Protobuf REQUIRED)
if(TARGET Protobuf::protobuf AND NOT TARGET protobuf::libprotobuf)
add_library(protobuf::libprotobuf ALIAS Protobuf::protobuf)
endif()
endif ()

if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_NLOHMANN)
FetchContent_Declare(
nlohmann_json
GIT_REPOSITORY ${nlohmann_json_URL}
GIT_TAG ${nlohmann_json_TAG}
)
else()
find_package(nlohmann_json REQUIRED)
endif()
endif ()

set(ABSL_PROPAGATE_CXX_STD ON)
set(ABSL_ENABLE_INSTALL ON)
FetchContent_MakeAvailable(abseil-cpp)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES)
set(ABSL_PROPAGATE_CXX_STD ON)
set(ABSL_ENABLE_INSTALL ON)
FetchContent_MakeAvailable(abseil-cpp)
endif()

set(RE2_BUILD_TESTING OFF)
FetchContent_MakeAvailable(re2)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_RE2)
set(RE2_BUILD_TESTING OFF)
FetchContent_MakeAvailable(re2)
endif ()

set(GTEST_HAS_ABSL ON)
FetchContent_MakeAvailable(googletest)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_ABSL)
set(GTEST_HAS_ABSL ON)
FetchContent_MakeAvailable(googletest)
endif()

FetchContent_MakeAvailable(antlr_cpp)

if (FUZZTEST_BUILD_TESTING)

set(protobuf_BUILD_TESTS OFF)
set(protobuf_INSTALL OFF)
FetchContent_MakeAvailable(protobuf)

FetchContent_MakeAvailable(nlohmann_json)

if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_PROTOBUF)
set(protobuf_BUILD_TESTS OFF)
set(protobuf_INSTALL OFF)
FetchContent_MakeAvailable(protobuf)
endif()

if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_NLOHMANN)
FetchContent_MakeAvailable(nlohmann_json)
endif()
endif ()

if (FUZZTEST_BUILD_FLATBUFFERS)
set(FLATBUFFERS_BUILD_TESTS OFF)
set(FLATBUFFERS_BUILD_INSTALL OFF)
FetchContent_MakeAvailable(flatbuffers)
if(FUZZTEST_DOWNLOAD_DEPENDENCIES OR FUZZTEST_DOWNLOAD_FLATBUFFERS)
set(FLATBUFFERS_BUILD_TESTS OFF)
set(FLATBUFFERS_BUILD_INSTALL OFF)
FetchContent_MakeAvailable(flatbuffers)
endif()
endif()