| # ~~~ |
| # Copyright (c) 2018 Valve Corporation |
| # Copyright (c) 2018 LunarG, Inc. |
| # |
| # 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. |
| # ~~~ |
| |
| # Add your optional dependencies in this "external" directory. |
| |
| # googletest is an optional external dependency for this repo. |
| if(BUILD_TESTS) |
| # Attempt to enable googletest if available. |
| |
| # Suppress all warnings from external projects (i.e.: in this directory's scope). |
| if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang") |
| set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "-w") |
| endif() |
| |
| if(TARGET gtest_main) |
| # Already enabled as a target (perhaps by a project enclosing this one) |
| message(STATUS "Vulkan-ValidationLayers/external: " "googletest already configured - using it") |
| elseif(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/googletest") |
| # The googletest directory exists, so enable it as a target. |
| message(STATUS "Vulkan-ValidationLayers/external: " "googletest found - configuring it for tests") |
| set(BUILD_GTEST ON CACHE BOOL "Builds the googletest subproject") |
| set(BUILD_GMOCK OFF CACHE BOOL "Builds the googlemock subproject") |
| set(gtest_force_shared_crt ON CACHE BOOL "Link gtest runtimes dynamically") |
| set(BUILD_SHARED_LIBS ON CACHE BOOL "Build shared libraries") |
| # EXCLUDE_FROM_ALL keeps the install target from installing GTEST files. |
| add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/googletest" EXCLUDE_FROM_ALL) |
| else() |
| message(SEND_ERROR "Vulkan-ValidationLayers/external: " "Google Test was not found. " |
| "Provide Google Test in external/googletest or set BUILD_TESTS=OFF") |
| endif() |
| endif() |