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cmake_minimum_required(VERSION 3.10)
project(CleanByproducts)
# Configurable parameters
set(TEST_CLEAN_NO_CUSTOM FALSE CACHE BOOL "Value for the CLEAN_NO_CUSTOM PROPERTY")
set(TEST_BUILD_EVENTS TRUE CACHE BOOL "Create byproducts with build events")
set(TEST_CUSTOM_TARGET TRUE CACHE BOOL "Create a byproduct with a custom target")
set(TEST_CUSTOM_COMMAND TRUE CACHE BOOL "Create a byproduct with a custom command")
set_property(DIRECTORY PROPERTY CLEAN_NO_CUSTOM ${TEST_CLEAN_NO_CUSTOM})
macro(add_build_event)
set(oneValueArgs EVENT)
cmake_parse_Arguments(ABE "" "${oneValueArgs}" "" ${ARGN})
# Create two byproducts and only declare one
add_custom_command(TARGET foo
${ABE_EVENT}
COMMAND ${CMAKE_COMMAND} -E touch foo.${ABE_EVENT}
COMMAND ${CMAKE_COMMAND} -E touch foo.${ABE_EVENT}.notdeclared
COMMENT "Creating byproducts with ${ABE_EVENT}"
BYPRODUCTS foo.${ABE_EVENT}
)
# The nondeclared byproduct should always be present
list(APPEND EXPECTED_PRESENT foo.${ABE_EVENT}.notdeclared)
# If CLEAN_NO_CUSTOM is set, the declared byproduct should be present
if(TEST_CLEAN_NO_CUSTOM)
list(APPEND EXPECTED_PRESENT foo.${ABE_EVENT})
else()
list(APPEND EXPECTED_DELETED foo.${ABE_EVENT})
endif()
endmacro()
add_executable(foo foo.cpp)
# Test build events
if(TEST_BUILD_EVENTS)
add_build_event(EVENT "PRE_BUILD" ENABLE ${TEST_PRE_BUILD})
add_build_event(EVENT "PRE_LINK" ENABLE ${TEST_PRE_LINK})
add_build_event(EVENT "POST_BUILD" ENABLE ${TEST_POST_BUILD})
endif()
# Custom command that generates byproducts
if(TEST_CUSTOM_COMMAND)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/bar.cpp.in "void bar() {}\n")
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/bar.cpp
COMMAND ${CMAKE_COMMAND} -E touch foo.customcommand
COMMAND ${CMAKE_COMMAND} -E touch foo.customcommand.notdeclared
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/bar.cpp.in ${CMAKE_CURRENT_BINARY_DIR}/bar.cpp
BYPRODUCTS foo.customcommand
COMMENT "Creating byproducts with a custom command"
)
# The nondeclared byproduct should always be present
list(APPEND EXPECTED_PRESENT "foo.customcommand.notdeclared")
# If CLEAN_NO_CUSTOM is set, both the output and byproduct should be present
if(TEST_CLEAN_NO_CUSTOM)
list(APPEND EXPECTED_PRESENT "bar.cpp")
list(APPEND EXPECTED_PRESENT "foo.customcommand")
else()
list(APPEND EXPECTED_DELETED "bar.cpp")
list(APPEND EXPECTED_DELETED "foo.customcommand")
endif()
target_sources(foo PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/bar.cpp")
endif()
# Custom target that generates byproducts
if(TEST_CUSTOM_TARGET)
add_custom_target(foo_file ALL
DEPENDS foo
COMMAND ${CMAKE_COMMAND} -E touch foo.customtarget
COMMAND ${CMAKE_COMMAND} -E touch foo.customtarget.notdeclared
BYPRODUCTS foo.customtarget
COMMENT "Creating byproducts with a custom target"
)
# The nondeclared byproduct should always be present
list(APPEND EXPECTED_PRESENT "foo.customtarget.notdeclared")
# If CLEAN_NO_CUSTOM is set, the declared byproduct should be present
if(TEST_CLEAN_NO_CUSTOM)
list(APPEND EXPECTED_PRESENT "foo.customtarget")
else()
list(APPEND EXPECTED_DELETED "foo.customtarget")
endif()
endif()
configure_file(files.cmake.in files.cmake)
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