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protobuf/cmake/gtest.cmake

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Breaking change: Migrate to Abseil's logging library. This deletes our old branches of internal Abseil code in favor of their newly open-sourced library. Notably, this removes the ability to turn CHECK crashes into exceptions. PiperOrigin-RevId: 504460562
2 years ago
option(protobuf_USE_EXTERNAL_GTEST "Use external Google Test (i.e. not the one in third_party/googletest)" OFF)
Breaking change: Remove CMake submodule support in favor of fetched or installed dependencies. This flips the default behavior to "fetch", downloading local copies of required dependencies. This can be disabled by setting `-Dprotobuf_FETCH_DEPENDENCIES=OFF`, in which case we will look for a local installation using find_package. Setting `-Dprotobuf_ABSL_PROVIDER=package` will continue to have the same behavior as before. See https://protobuf.dev/news/2024-10-02/#replace-cmake-submods for more details. #test-continuous PiperOrigin-RevId: 686649864
2 months ago
if (TARGET GTest::gmock)
# GTest is already present.
elseif (protobuf_USE_EXTERNAL_GTEST)
Define a new set of cmake tests. These more closely follow the standard practices of our users, where dependencies are pre-installed instead of using our provided sub-modules. This will prevent issues such as #12201 from reoccuring. Additionally, this cl bumps our Abseil dependency to the latest release, and fixes a GTest issue that went previously unnoticed. PiperOrigin-RevId: 529490402
2 years ago
find_package(GTest REQUIRED CONFIG)
Breaking change: Remove CMake submodule support in favor of fetched or installed dependencies. This flips the default behavior to "fetch", downloading local copies of required dependencies. This can be disabled by setting `-Dprotobuf_FETCH_DEPENDENCIES=OFF`, in which case we will look for a local installation using find_package. Setting `-Dprotobuf_ABSL_PROVIDER=package` will continue to have the same behavior as before. See https://protobuf.dev/news/2024-10-02/#replace-cmake-submods for more details. #test-continuous PiperOrigin-RevId: 686649864
2 months ago
else ()
if (NOT protobuf_FETCH_DEPENDENCIES)
message(FATAL_ERROR
"Cannot find local googletest directory that's needed to "
"build tests.\n"
"If instead you want to skip tests, run cmake with:\n"
" cmake -Dprotobuf_BUILD_TESTS=OFF\n")
endif()
Support fetching CMake dependencies via `-Dprotobuf_FETCH_DEPENDENCIES=ON` This ports upb's WORKSPACE scraping logic to protobuf, and allows us to dynamically fetch our dependencies at the exact same pinned version as in Bazel via protobuf_FETCH_DEPENDENCIES=ON. This is mostly for development purposes, and is preferable to git submodules. In a later cl we will flip the default behavior to "package" #test-continuous PiperOrigin-RevId: 686265348
2 months ago
include(${protobuf_SOURCE_DIR}/cmake/dependencies.cmake)
include(FetchContent)
FetchContent_Declare(
googletest
GIT_REPOSITORY "https://github.com/google/googletest.git"
GIT_TAG "v${googletest-version}"
)
# Due to https://github.com/google/googletest/issues/4384, we can't name this
# GTest for use with find_package until 1.15.0.
FetchContent_MakeAvailable(googletest)
Breaking change: Migrate to Abseil's logging library. This deletes our old branches of internal Abseil code in favor of their newly open-sourced library. Notably, this removes the ability to turn CHECK crashes into exceptions. PiperOrigin-RevId: 504460562
2 years ago
endif()