diff options
Diffstat (limited to 'src/CMakeLists.txt')
| -rw-r--r-- | src/CMakeLists.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index c614a65a..1586d34d 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -334,6 +334,43 @@ if(OPENSSL_SMALL) add_definitions(-DOPENSSL_SMALL) endif() +function(go_executable dest package) + set(godeps "${CMAKE_SOURCE_DIR}/util/godeps.go") + if(${CMAKE_VERSION} VERSION_LESS "3.7" OR + NOT ${CMAKE_GENERATOR} STREQUAL "Ninja") + # The DEPFILE parameter to add_custom_command is new as of CMake 3.7 and + # only works with Ninja. Query the sources at configure time. Additionally, + # everything depends on go.mod. That affects what external packages to use. + execute_process(COMMAND ${GO_EXECUTABLE} run ${godeps} -format cmake + -pkg ${package} + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} + OUTPUT_VARIABLE sources + RESULT_VARIABLE godeps_result) + add_custom_command(OUTPUT ${dest} + COMMAND ${GO_EXECUTABLE} build + -o ${CMAKE_CURRENT_BINARY_DIR}/${dest} ${package} + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} + DEPENDS ${sources} ${CMAKE_SOURCE_DIR}/go.mod) + else() + # Ninja expects the target in the depfile to match the output. This is a + # relative path from the build directory. + string(LENGTH "${CMAKE_BINARY_DIR}" root_dir_length) + math(EXPR root_dir_length "${root_dir_length} + 1") + string(SUBSTRING "${CMAKE_CURRENT_BINARY_DIR}" ${root_dir_length} -1 target) + set(target "${target}/${dest}") + + set(depfile "${CMAKE_CURRENT_BINARY_DIR}/${dest}.d") + add_custom_command(OUTPUT ${dest} + COMMAND ${GO_EXECUTABLE} build + -o ${CMAKE_CURRENT_BINARY_DIR}/${dest} ${package} + COMMAND ${GO_EXECUTABLE} run ${godeps} -format depfile + -target ${target} -pkg ${package} -out ${depfile} + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} + DEPENDS ${godeps} ${CMAKE_SOURCE_DIR}/go.mod + DEPFILE ${depfile}) + endif() +endfunction() + # CMake's iOS support uses Apple's multiple-architecture toolchain. It takes an # architecture list from CMAKE_OSX_ARCHITECTURES, leaves CMAKE_SYSTEM_PROCESSOR # alone, and expects all architecture-specific logic to be conditioned within |