diff --git a/docs/build-systems.md b/docs/build-systems.md new file mode 100644 index 0000000..a0aed10 --- /dev/null +++ b/docs/build-systems.md @@ -0,0 +1,36 @@ +# Integration with build systems + +## CMake + +You can use the following CMake script to automatically fetch Catch from github and configure it as an external project: + +```CMake +cmake_minimum_required(VERSION 2.8.8) +project(catch_builder CXX) +include(ExternalProject) + +ExternalProject_Add( + catch + PREFIX ${CMAKE_BINARY_DIR}/catch + GIT_REPOSITORY https://github.com/philsquared/Catch.git + TIMEOUT 10 + UPDATE_COMMAND ${GIT_EXECUTABLE} pull + CONFIGURE_COMMAND "" + BUILD_COMMAND "" + INSTALL_COMMAND "" + LOG_DOWNLOAD ON + ) + +# Expose required variable (CATCH_INCLUDE_DIR) to parent scope +ExternalProject_Get_Property(catch source_dir) +set(CATCH_INCLUDE_DIR ${source_dir}/include CACHE INTERNAL "Path to include folder for Catch") +``` + +If you put it in, e.g., `${PROJECT_SRC_DIR}/${EXT_PROJECTS_DIR}/catch/`, you can use it in your project by adding the following to your root CMake file: + +```CMake +# Includes Catch in the project: +add_subdirectory(${EXT_PROJECTS_DIR}/catch) +include_directories(${CATCH_INCLUDE_DIR} ${COMMON_INCLUDES}) +enable_testing(true) # Enables unit-testing. +``` \ No newline at end of file