cmake_minimum_required(VERSION 3.1) project(CustomCommandByproducts C) # Generate a byproduct in a rule that runs in the target consuming it. add_custom_command( OUTPUT timestamp1.txt COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct1.c.in byproduct1.c BYPRODUCTS byproduct1.c COMMAND ${CMAKE_COMMAND} -E touch timestamp1.txt DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/byproduct1.c.in ) # Generate a byproduct in a rule that runs in a dependency of the consumer. add_custom_command( OUTPUT timestamp2.txt COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct2.c.in byproduct2.c BYPRODUCTS byproduct2.c COMMAND ${CMAKE_COMMAND} -E touch timestamp2.txt DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/byproduct2.c.in ) add_custom_target(Producer2 DEPENDS timestamp2.txt) # Generate a byproduct in a custom target. add_custom_target(Producer3_4 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct3.c.in byproduct3.c BYPRODUCTS byproduct3.c ) # Generate a byproduct in a custom target POST_BUILD command. add_custom_command( TARGET Producer3_4 POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct4.c.in byproduct4.c BYPRODUCTS byproduct4.c ) add_executable(ProducerExe ProducerExe.c) # Generate a byproduct in an executable POST_BUILD command. add_custom_command( TARGET ProducerExe POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct5.c.in byproduct5.c BYPRODUCTS byproduct5.c ) # Generate a byproduct in an executable PRE_LINK command. add_custom_command( TARGET ProducerExe PRE_LINK COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct6.c.in byproduct6.c BYPRODUCTS byproduct6.c ) # Generate a byproduct in an executable PRE_BUILD command. add_custom_command( TARGET ProducerExe PRE_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct7.c.in byproduct7.c BYPRODUCTS byproduct7.c ) # Generate a byproduct in a custom command that consumes other byproducts. add_custom_command(OUTPUT timestamp8.txt COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/byproduct8.c.in byproduct8.c COMMAND ${CMAKE_COMMAND} -E touch timestamp8.txt BYPRODUCTS byproduct8.c DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/byproduct2.c ${CMAKE_CURRENT_BINARY_DIR}/byproduct3.c ${CMAKE_CURRENT_BINARY_DIR}/byproduct4.c ${CMAKE_CURRENT_BINARY_DIR}/byproduct5.c ${CMAKE_CURRENT_BINARY_DIR}/byproduct6.c ${CMAKE_CURRENT_BINARY_DIR}/byproduct7.c ${CMAKE_CURRENT_SOURCE_DIR}/byproduct8.c.in ) # Generate the library file of an imported target as a byproduct # of an external project. if(CMAKE_CONFIGURATION_TYPES) set(cfg /${CMAKE_CFG_INTDIR}) else() set(cfg) endif() set(ExternalLibrary_LIBRARY ${CMAKE_CURRENT_BINARY_DIR}/External-build${cfg}/${CMAKE_STATIC_LIBRARY_PREFIX}ExternalLibrary${CMAKE_STATIC_LIBRARY_SUFFIX} ) include(ExternalProject) ExternalProject_Add(ExternalTarget SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/External" BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/External-build" PREFIX "${CMAKE_CURRENT_BINARY_DIR}/External-build/root" DOWNLOAD_COMMAND "" INSTALL_COMMAND "" BUILD_BYPRODUCTS "${ExternalLibrary_LIBRARY}" ) add_library(ExternalLibrary STATIC IMPORTED) set_property(TARGET ExternalLibrary PROPERTY IMPORTED_LOCATION ${ExternalLibrary_LIBRARY}) add_dependencies(ExternalLibrary ExternalTarget) # Add an executable consuming all the byproducts. add_executable(CustomCommandByproducts CustomCommandByproducts.c byproduct1.c timestamp1.txt byproduct2.c byproduct3.c byproduct4.c byproduct5.c byproduct6.c byproduct7.c byproduct8.c timestamp8.txt ) add_dependencies(CustomCommandByproducts Producer2) add_dependencies(CustomCommandByproducts Producer3_4) add_dependencies(CustomCommandByproducts ProducerExe) target_link_libraries(CustomCommandByproducts ExternalLibrary) if(CMAKE_GENERATOR STREQUAL "Ninja") add_custom_target(CheckNinja ALL COMMENT "Checking build.ninja" COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/ninja-check.cmake ) endif()