diff options
Diffstat (limited to 'third_party/protobuf/3.4.0/cmake/examples.cmake')
-rw-r--r-- | third_party/protobuf/3.4.0/cmake/examples.cmake | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/cmake/examples.cmake b/third_party/protobuf/3.4.0/cmake/examples.cmake new file mode 100644 index 0000000000..e5cad63f67 --- /dev/null +++ b/third_party/protobuf/3.4.0/cmake/examples.cmake @@ -0,0 +1,57 @@ +if(protobuf_VERBOSE) + message(STATUS "Protocol Buffers Examples Configuring...") +endif() + +get_filename_component(examples_dir "../examples" ABSOLUTE) + +if(protobuf_VERBOSE) + message(STATUS "Protocol Buffers Examples Configuring done") +endif() +include(ExternalProject) + +# Internal utility function: Create a custom target representing a build of examples with custom options. +function(add_examples_build NAME) + + ExternalProject_Add(${NAME} + PREFIX ${NAME} + SOURCE_DIR "${examples_dir}" + BINARY_DIR ${NAME} + STAMP_DIR ${NAME}/logs + INSTALL_COMMAND "" #Skip + LOG_CONFIGURE 1 + CMAKE_CACHE_ARGS "-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}" + "-Dprotobuf_VERBOSE:BOOL=${protobuf_VERBOSE}" + ${ARGN} + ) + set_property(TARGET ${NAME} PROPERTY FOLDER "Examples") + set_property(TARGET ${NAME} PROPERTY EXCLUDE_FROM_ALL TRUE) +endfunction() + +# Add examples as an external project. +# sub_directory cannot be used because the find_package(protobuf) call would cause failures with redefined targets. +add_examples_build(examples "-Dprotobuf_DIR:PATH=${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_CMAKEDIR}") +add_dependencies(examples libprotobuf protoc) + +option(protobuf_BUILD_EXAMPLES_MULTITEST "Build Examples in multiple configurations. Useful for testing." OFF) +mark_as_advanced(protobuf_BUILD_EXAMPLES_MULTITEST) +if(protobuf_BUILD_EXAMPLES_MULTITEST) + set_property(GLOBAL PROPERTY USE_FOLDERS ON) + + #Build using the legacy compatibility module. + add_examples_build(examples-legacy + "-Dprotobuf_DIR:PATH=${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_CMAKEDIR}" + "-Dprotobuf_MODULE_COMPATIBLE:BOOL=TRUE" + ) + add_dependencies(examples-legacy libprotobuf protoc) + + #Build using the installed library. + add_examples_build(examples-installed + "-Dprotobuf_DIR:PATH=${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_CMAKEDIR}" + ) + + #Build using the installed library in legacy compatibility mode. + add_examples_build(examples-installed-legacy + "-Dprotobuf_DIR:PATH=${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_CMAKEDIR}" + "-Dprotobuf_MODULE_COMPATIBLE:BOOL=TRUE" + ) +endif() |