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131 lines
4.8 KiB

cmake_minimum_required(VERSION 3.0)
project(CompatibleInterface)
include(GenerateExportHeader)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
add_library(iface1 INTERFACE)
set_property(TARGET iface1 APPEND PROPERTY
COMPATIBLE_INTERFACE_BOOL
BOOL_PROP1
BOOL_PROP2
BOOL_PROP3
BOOL_PROP4
)
set_property(TARGET iface1 APPEND PROPERTY
COMPATIBLE_INTERFACE_STRING
STRING_PROP1
STRING_PROP2
STRING_PROP3
)
set_property(TARGET iface1 APPEND PROPERTY
COMPATIBLE_INTERFACE_NUMBER_MIN
NUMBER_MIN_PROP1
NUMBER_MIN_PROP2
NUMBER_MIN_PROP3
NUMBER_MIN_PROP4
)
set_property(TARGET iface1 APPEND PROPERTY
COMPATIBLE_INTERFACE_NUMBER_MAX
NUMBER_MAX_PROP1
NUMBER_MAX_PROP2
)
set(CMAKE_DEBUG_TARGET_PROPERTIES
BOOL_PROP1 BOOL_PROP2 BOOL_PROP3 BOOL_PROP4
STRING_PROP1 STRING_PROP2 STRING_PROP3
NUMBER_MIN_PROP1 NUMBER_MIN_PROP2 NUMBER_MIN_PROP3 NUMBER_MIN_PROP4
NUMBER_MAX_PROP1 NUMBER_MAX_PROP2
)
set_property(TARGET iface1 PROPERTY INTERFACE_BOOL_PROP1 ON)
set_property(TARGET iface1 PROPERTY INTERFACE_BOOL_PROP2 ON)
set_property(TARGET iface1 PROPERTY INTERFACE_STRING_PROP1 prop1)
set_property(TARGET iface1 PROPERTY INTERFACE_STRING_PROP2 prop2)
set_property(TARGET iface1 PROPERTY INTERFACE_NUMBER_MIN_PROP1 100)
set_property(TARGET iface1 PROPERTY INTERFACE_NUMBER_MIN_PROP2 200)
set_property(TARGET iface1 PROPERTY INTERFACE_NUMBER_MIN_PROP3 0x10)
set_property(TARGET iface1 PROPERTY INTERFACE_NUMBER_MIN_PROP4 0x10)
set_property(TARGET iface1 PROPERTY INTERFACE_NUMBER_MAX_PROP1 100)
set_property(TARGET iface1 PROPERTY INTERFACE_NUMBER_MAX_PROP2 200)
add_executable(CompatibleInterface main.cpp)
target_link_libraries(CompatibleInterface iface1)
add_library(foo STATIC foo.cpp)
add_library(bar SHARED bar.cpp)
set_property(TARGET foo APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SOMEPROP)
set_property(TARGET foo PROPERTY INTERFACE_SOMEPROP ON)
# Use LINK_ONLY to suppress usage requirements and allow the check to pass.
set_property(TARGET bar PROPERTY INTERFACE_LINK_LIBRARIES $<LINK_ONLY:foo>)
set_property(TARGET CompatibleInterface PROPERTY SOMEPROP OFF)
target_link_libraries(CompatibleInterface bar)
set_property(TARGET CompatibleInterface PROPERTY BOOL_PROP2 ON)
set_property(TARGET CompatibleInterface PROPERTY BOOL_PROP3 ON)
set_property(TARGET CompatibleInterface PROPERTY STRING_PROP2 prop2)
set_property(TARGET CompatibleInterface PROPERTY STRING_PROP3 prop3)
set_property(TARGET CompatibleInterface PROPERTY NUMBER_MIN_PROP1 50)
set_property(TARGET CompatibleInterface PROPERTY NUMBER_MIN_PROP2 250)
set_property(TARGET CompatibleInterface PROPERTY NUMBER_MIN_PROP3 0xa)
set_property(TARGET CompatibleInterface PROPERTY NUMBER_MIN_PROP4 0x1A)
set_property(TARGET CompatibleInterface PROPERTY NUMBER_MAX_PROP1 50)
set_property(TARGET CompatibleInterface PROPERTY NUMBER_MAX_PROP2 250)
target_compile_definitions(CompatibleInterface
PRIVATE
$<$<BOOL:$<TARGET_PROPERTY:BOOL_PROP1>>:BOOL_PROP1>
$<$<BOOL:$<TARGET_PROPERTY:BOOL_PROP2>>:BOOL_PROP2>
$<$<BOOL:$<TARGET_PROPERTY:BOOL_PROP3>>:BOOL_PROP3>
$<$<STREQUAL:$<TARGET_PROPERTY:STRING_PROP1>,prop1>:STRING_PROP1>
$<$<STREQUAL:$<TARGET_PROPERTY:STRING_PROP2>,prop2>:STRING_PROP2>
$<$<STREQUAL:$<TARGET_PROPERTY:STRING_PROP3>,prop3>:STRING_PROP3>
$<$<STREQUAL:$<TARGET_PROPERTY:NUMBER_MIN_PROP1>,50>:NUMBER_MIN_PROP1=50>
$<$<STREQUAL:$<TARGET_PROPERTY:NUMBER_MIN_PROP2>,200>:NUMBER_MIN_PROP2=200>
$<$<EQUAL:$<TARGET_PROPERTY:NUMBER_MIN_PROP3>,0xA>:NUMBER_MIN_PROP3=0xA>
$<$<STREQUAL:$<TARGET_PROPERTY:NUMBER_MIN_PROP4>,0x10>:NUMBER_MIN_PROP4=0x10>
$<$<STREQUAL:$<TARGET_PROPERTY:NUMBER_MAX_PROP1>,100>:NUMBER_MAX_PROP1=100>
$<$<STREQUAL:$<TARGET_PROPERTY:NUMBER_MAX_PROP2>,250>:NUMBER_MAX_PROP2=250>
)
add_library(iface2 SHARED iface2.cpp)
generate_export_header(iface2)
set_property(TARGET iface2 APPEND PROPERTY
COMPATIBLE_INTERFACE_STRING
Iface2_PROP
)
# For the LINK_LIBRARIES and related properties, we should not evaluate
# properties defined only in the interface - they should be implicitly zero
set_property(TARGET iface2
APPEND PROPERTY
LINK_INTERFACE_LIBRARIES $<$<BOOL:$<TARGET_PROPERTY:BOOL_PROP4>>:nonexistent>
)
target_link_libraries(CompatibleInterface iface2
$<$<BOOL:$<TARGET_PROPERTY:Iface2_PROP>>:nonexistent>
)
# Test that this does not segfault:
target_compile_definitions(CompatibleInterface
PRIVATE
$<$<BOOL:$<TARGET_PROPERTY:Iface2_PROP>>:SOME_DEFINE>
)
# The COMPATIBLE_INTERFACE_* properties are only read from dependencies
# in the interface. Populating it on the CompatibleInterface target does
# not have any effect on the interpretation of the INTERFACE variants
# in dependencies.
set_property(TARGET iface1 PROPERTY
INTERFACE_NON_RELEVANT_PROP ON
)
set_property(TARGET iface2 PROPERTY
INTERFACE_NON_RELEVANT_PROP ON
)
set_property(TARGET CompatibleInterface APPEND PROPERTY
COMPATIBLE_INTERFACE_BOOL
NON_RELEVANT_PROP
)