From b073e1c2b9a8138da83300f598b9a56fc9762b4b Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Stanislav=20Angelovi=C4=8D?= <angelovic.s@gmail.com>
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Date: Mon, 16 Nov 2020 17:05:36 +0100
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Subject: [PATCH] Try to first find googletest in the system before downloading
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it (#125)
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Upstream-Status: Backport [d6fdaca]
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Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
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---
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tests/CMakeLists.txt | 62 ++++++++++++++++++++++++++++----------------
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1 file changed, 40 insertions(+), 22 deletions(-)
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diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
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index 97f7c1a..7ecc327 100644
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--- a/tests/CMakeLists.txt
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+++ b/tests/CMakeLists.txt
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@@ -2,26 +2,44 @@
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# DOWNLOAD AND BUILD OF GOOGLETEST
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#-------------------------------
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-include(FetchContent)
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-
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-message("Fetching googletest...")
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-FetchContent_Declare(googletest
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- GIT_REPOSITORY https://github.com/google/googletest.git
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- GIT_TAG master
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- GIT_SHALLOW 1
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- UPDATE_COMMAND "")
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-
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-#FetchContent_MakeAvailable(googletest) # Not available in CMake 3.13 :-( Let's do it manually:
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-FetchContent_GetProperties(googletest)
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-if(NOT googletest_POPULATED)
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- FetchContent_Populate(googletest)
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- set(gtest_force_shared_crt ON CACHE INTERNAL "" FORCE)
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- set(BUILD_GMOCK ON CACHE INTERNAL "" FORCE)
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- set(INSTALL_GTEST OFF CACHE INTERNAL "" FORCE)
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- set(BUILD_SHARED_LIBS_BAK ${BUILD_SHARED_LIBS})
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- set(BUILD_SHARED_LIBS OFF)
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- add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR})
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- set(BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS_BAK})
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+set(GOOGLETEST_VERSION 1.10.0 CACHE STRING "Version of gmock to use")
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+set(GOOGLETEST_GIT_REPO "https://github.com/google/googletest.git" CACHE STRING "A git repo to clone and build googletest from if gmock is not found in the system")
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+
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+find_package(GTest ${GOOGLETEST_VERSION} CONFIG)
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+if (NOT TARGET GTest::gmock)
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+ # Try pkg-config if GTest was not found through CMake config
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+ find_package(PkgConfig)
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+ if (PkgConfig_FOUND)
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+ pkg_check_modules(GMock IMPORTED_TARGET GLOBAL gmock>=${GOOGLETEST_VERSION})
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+ if(TARGET PkgConfig::GMock)
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+ add_library(GTest::gmock ALIAS PkgConfig::GMock)
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+ endif()
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+ endif()
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+ # GTest was not found in the system, build it on our own
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+ if (NOT TARGET GTest::gmock)
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+ include(FetchContent)
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+
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+ message("Fetching googletest...")
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+ FetchContent_Declare(googletest
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+ GIT_REPOSITORY ${GOOGLETEST_GIT_REPO}
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+ GIT_TAG release-${GOOGLETEST_VERSION}
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+ GIT_SHALLOW 1
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+ UPDATE_COMMAND "")
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+
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+ #FetchContent_MakeAvailable(googletest) # Not available in CMake 3.13 :-( Let's do it manually:
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+ FetchContent_GetProperties(googletest)
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+ if(NOT googletest_POPULATED)
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+ FetchContent_Populate(googletest)
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+ set(gtest_force_shared_crt ON CACHE INTERNAL "" FORCE)
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+ set(BUILD_GMOCK ON CACHE INTERNAL "" FORCE)
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+ set(INSTALL_GTEST OFF CACHE INTERNAL "" FORCE)
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+ set(BUILD_SHARED_LIBS_BAK ${BUILD_SHARED_LIBS})
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+ set(BUILD_SHARED_LIBS OFF)
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+ add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR})
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+ set(BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS_BAK})
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+ add_library(GTest::gmock ALIAS gmock)
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+ endif()
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+ endif()
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endif()
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#-------------------------------
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@@ -87,11 +105,11 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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add_executable(sdbus-c++-unit-tests ${UNITTESTS_SRCS})
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target_compile_definitions(sdbus-c++-unit-tests PRIVATE LIBSYSTEMD_VERSION=${LIBSYSTEMD_VERSION})
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-target_link_libraries(sdbus-c++-unit-tests sdbus-c++-objlib gmock gmock_main)
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+target_link_libraries(sdbus-c++-unit-tests sdbus-c++-objlib GTest::gmock)
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add_executable(sdbus-c++-integration-tests ${INTEGRATIONTESTS_SRCS})
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target_compile_definitions(sdbus-c++-integration-tests PRIVATE LIBSYSTEMD_VERSION=${LIBSYSTEMD_VERSION})
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-target_link_libraries(sdbus-c++-integration-tests sdbus-c++ gmock gmock_main)
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+target_link_libraries(sdbus-c++-integration-tests sdbus-c++ GTest::gmock)
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# Manual performance and stress tests
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option(ENABLE_PERF_TESTS "Build and install manual performance tests (default OFF)" OFF)
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