| cmake_minimum_required(VERSION 3.0) |
| get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) |
| if(NOT _isMultiConfig AND NOT CMAKE_BUILD_TYPE) |
| set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build") |
| endif() |
| project(ConfigSources CXX) |
| |
| # Source file(s) named with the configuration(s). |
| file(GENERATE |
| OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/config_$<CONFIG>.cpp" |
| CONTENT "void config_$<CONFIG>() {}\n" |
| ) |
| |
| # Per-config sources via INTERFACE_SOURCES. |
| add_library(iface INTERFACE) |
| target_sources(iface INTERFACE |
| "${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp" |
| "$<$<CONFIG:Debug>:${CMAKE_CURRENT_SOURCE_DIR}/iface_debug_src.cpp>" |
| "$<$<NOT:$<CONFIG:Debug>>:${CMAKE_CURRENT_SOURCE_DIR}/iface_other_src.cpp>" |
| "$<$<CONFIG:NotAConfig>:${CMAKE_CURRENT_SOURCE_DIR}/does_not_exist.cpp>" |
| ) |
| target_compile_definitions(iface INTERFACE |
| "$<$<CONFIG:Debug>:CFG_DEBUG>" |
| "$<$<NOT:$<CONFIG:Debug>>:CFG_OTHER>" |
| ) |
| add_executable(ConfigSources |
| $<$<CONFIG:Debug>:main_debug.cpp> |
| $<$<NOT:$<CONFIG:Debug>>:main_other.cpp> |
| $<$<CONFIG:NotAConfig>:does_not_exist.cpp> |
| ${CMAKE_CURRENT_BINARY_DIR}/config_$<CONFIG>.cpp |
| ) |
| target_link_libraries(ConfigSources iface) |
| |
| # Per-config sources via LINK_LIBRARIES. |
| add_library(iface_debug INTERFACE) |
| target_sources(iface_debug INTERFACE |
| "${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp" |
| "${CMAKE_CURRENT_SOURCE_DIR}/iface_debug_src.cpp" |
| ) |
| add_library(iface_other INTERFACE) |
| target_sources(iface_other INTERFACE |
| "${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp" |
| "${CMAKE_CURRENT_SOURCE_DIR}/iface_other_src.cpp" |
| ) |
| add_executable(ConfigSourcesLink main.cpp) |
| target_compile_definitions(ConfigSourcesLink PRIVATE |
| "$<$<CONFIG:Debug>:CFG_DEBUG>" |
| "$<$<NOT:$<CONFIG:Debug>>:CFG_OTHER>" |
| ) |
| target_link_libraries(ConfigSourcesLink PRIVATE |
| "$<$<CONFIG:Debug>:iface_debug>" |
| "$<$<NOT:$<CONFIG:Debug>>:iface_other>" |
| "$<$<CONFIG:NotAConfig>:iface_does_not_exist>" |
| ) |
| |
| # Per-config sources via INTERFACE_LINK_LIBRARIES. |
| add_library(ConfigSourcesIface INTERFACE) |
| target_link_libraries(ConfigSourcesIface INTERFACE |
| "$<$<CONFIG:Debug>:iface_debug>" |
| "$<$<NOT:$<CONFIG:Debug>>:iface_other>" |
| "$<$<CONFIG:NotAConfig>:iface_does_not_exist>" |
| ) |
| add_executable(ConfigSourcesLinkIface main.cpp) |
| target_compile_definitions(ConfigSourcesLinkIface PRIVATE |
| "$<$<CONFIG:Debug>:CFG_DEBUG>" |
| "$<$<NOT:$<CONFIG:Debug>>:CFG_OTHER>" |
| ) |
| target_link_libraries(ConfigSourcesLinkIface ConfigSourcesIface) |
| |
| # A target with sources in only one configuration that is not the |
| # first in CMAKE_CONFIGURATION_TYPES. |
| if(CMAKE_CONFIGURATION_TYPES MATCHES ";([^;]+)") |
| set(one_config "${CMAKE_MATCH_1}") |
| else() |
| set(one_config "${CMAKE_BUILD_TYPE}") |
| endif() |
| add_library(OneConfigOnly OBJECT "$<$<CONFIG:${one_config}>:${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp>") |
| set_property(TARGET OneConfigOnly PROPERTY LINKER_LANGUAGE CXX) |