cmake_minimum_required(VERSION 3.29)
cmake_policy(SET CMP0166 NEW)
project(CustomTransitiveProperties C)

add_library(iface1 INTERFACE)
set_target_properties(iface1 PROPERTIES
  TRANSITIVE_COMPILE_PROPERTIES "CUSTOM_A" # LINK_ONLY not pierced
  TRANSITIVE_LINK_PROPERTIES    "CUSTOM_U" # LINK_ONLY pierced

  INTERFACE_CUSTOM_A "CUSTOM_A_IFACE1;CUSTOM_A_TARGET_NAME_$<UPPER_CASE:$<TARGET_PROPERTY:NAME>>"
  INTERFACE_CUSTOM_B "CUSTOM_B_IFACE1"
  INTERFACE_CUSTOM_C "CUSTOM_C_IFACE1"
  INTERFACE_CUSTOM_U "CUSTOM_U_IFACE1;CUSTOM_U_TARGET_NAME_$<UPPER_CASE:$<TARGET_PROPERTY:NAME>>"
  INTERFACE_CUSTOM_V "CUSTOM_V_IFACE1"
  INTERFACE_CUSTOM_W "CUSTOM_W_IFACE1"
  )

add_library(iface2 INTERFACE)
set_target_properties(iface2 PROPERTIES
  INTERFACE_CUSTOM_A "CUSTOM_A_IFACE2;CUSTOM_A_TARGET_TYPE_$<TARGET_PROPERTY:TYPE>"
  INTERFACE_CUSTOM_U "CUSTOM_U_IFACE2;CUSTOM_U_TARGET_TYPE_$<TARGET_PROPERTY:TYPE>"
  )
target_link_libraries(iface2 INTERFACE iface1)

# Test that the INTERFACE prefix is removed.
set(unnecessary_INTERFACE_ "INTERFACE_")

add_library(static1 STATIC static1.c)
target_link_libraries(static1 PRIVATE iface2)
set_target_properties(static1 PROPERTIES
  TRANSITIVE_COMPILE_PROPERTIES "${unnecessary_INTERFACE_}CUSTOM_B" # LINK_ONLY not pierced
  TRANSITIVE_LINK_PROPERTIES    "${unnecessary_INTERFACE_}CUSTOM_V" # LINK_ONLY pierced

  CUSTOM_A "CUSTOM_A_STATIC1"
  CUSTOM_B "CUSTOM_B_STATIC1"
  CUSTOM_U "CUSTOM_U_STATIC1"
  CUSTOM_V "CUSTOM_V_STATIC1"
  INTERFACE_CUSTOM_A "CUSTOM_A_STATIC1_IFACE"
  INTERFACE_CUSTOM_B "CUSTOM_B_STATIC1_IFACE"
  INTERFACE_CUSTOM_U "CUSTOM_U_STATIC1_IFACE"
  INTERFACE_CUSTOM_V "CUSTOM_V_STATIC1_IFACE"
  )
target_compile_definitions(static1 PRIVATE
  $<TARGET_PROPERTY:CUSTOM_A>
  $<TARGET_PROPERTY:CUSTOM_B>
  $<TARGET_PROPERTY:CUSTOM_U>
  $<TARGET_PROPERTY:CUSTOM_V>
  )

add_library(object1 OBJECT object1.c)
target_link_libraries(object1 PRIVATE iface2)
set_target_properties(object1 PROPERTIES
  TRANSITIVE_COMPILE_PROPERTIES "${unnecessary_INTERFACE_}CUSTOM_C" # LINK_ONLY not pierced
  TRANSITIVE_LINK_PROPERTIES    "${unnecessary_INTERFACE_}CUSTOM_W" # LINK_ONLY pierced

  CUSTOM_A "CUSTOM_A_OBJECT1"
  CUSTOM_C "CUSTOM_C_OBJECT1"
  CUSTOM_U "CUSTOM_U_OBJECT1"
  CUSTOM_W "CUSTOM_W_OBJECT1"
  INTERFACE_CUSTOM_A "CUSTOM_A_OBJECT1_IFACE"
  INTERFACE_CUSTOM_C "CUSTOM_C_OBJECT1_IFACE"
  INTERFACE_CUSTOM_U "CUSTOM_U_OBJECT1_IFACE"
  INTERFACE_CUSTOM_W "CUSTOM_W_OBJECT1_IFACE"
  )
target_compile_definitions(object1 PRIVATE
  $<TARGET_PROPERTY:CUSTOM_A>
  $<TARGET_PROPERTY:CUSTOM_C>
  $<TARGET_PROPERTY:CUSTOM_U>
  $<TARGET_PROPERTY:CUSTOM_W>
  )

add_executable(CustomTransitiveProperties main.c)
target_link_libraries(CustomTransitiveProperties PRIVATE static1 object1)
set_target_properties(CustomTransitiveProperties PROPERTIES
  CUSTOM_A "CUSTOM_A_MAIN"
  CUSTOM_B "CUSTOM_B_MAIN"
  CUSTOM_C "CUSTOM_C_MAIN"
  CUSTOM_U "CUSTOM_U_MAIN"
  CUSTOM_V "CUSTOM_V_MAIN"
  CUSTOM_W "CUSTOM_W_MAIN"
  )

# Test TRANSITIVE_*_PROPERTY evaluation within usage requirements.
target_compile_definitions(CustomTransitiveProperties PRIVATE
  $<TARGET_PROPERTY:CUSTOM_A>
  $<TARGET_PROPERTY:CUSTOM_B>
  $<TARGET_PROPERTY:CUSTOM_C>
  $<TARGET_PROPERTY:CUSTOM_U>
  $<TARGET_PROPERTY:CUSTOM_V>
  $<TARGET_PROPERTY:CUSTOM_W>
  )

# Test TRANSITIVE_*_PROPERTY evaluation outside of usage requirements.
set(out "${CMAKE_CURRENT_BINARY_DIR}/out-$<CONFIG>.txt")
file(GENERATE OUTPUT "${out}" CONTENT "# file(GENERATE) produced:
iface1 CUSTOM_A: '$<TARGET_PROPERTY:iface1,CUSTOM_A>'
iface1 INTERFACE_CUSTOM_A: '$<TARGET_PROPERTY:iface1,INTERFACE_CUSTOM_A>'
iface2 CUSTOM_A: '$<TARGET_PROPERTY:iface2,CUSTOM_A>'
iface2 INTERFACE_CUSTOM_A: '$<TARGET_PROPERTY:iface2,INTERFACE_CUSTOM_A>'
static1 CUSTOM_A: '$<TARGET_PROPERTY:static1,CUSTOM_A>'
static1 INTERFACE_CUSTOM_A: '$<TARGET_PROPERTY:static1,INTERFACE_CUSTOM_A>'
static1 CUSTOM_B: '$<TARGET_PROPERTY:static1,CUSTOM_B>'
static1 INTERFACE_CUSTOM_B: '$<TARGET_PROPERTY:static1,INTERFACE_CUSTOM_B>'
static1 CUSTOM_U: '$<TARGET_PROPERTY:static1,CUSTOM_U>'
static1 INTERFACE_CUSTOM_U: '$<TARGET_PROPERTY:static1,INTERFACE_CUSTOM_U>'
static1 CUSTOM_V: '$<TARGET_PROPERTY:static1,CUSTOM_V>'
static1 INTERFACE_CUSTOM_V: '$<TARGET_PROPERTY:static1,INTERFACE_CUSTOM_V>'
object1 CUSTOM_A: '$<TARGET_PROPERTY:object1,CUSTOM_A>'
object1 INTERFACE_CUSTOM_A: '$<TARGET_PROPERTY:object1,INTERFACE_CUSTOM_A>'
object1 CUSTOM_C: '$<TARGET_PROPERTY:object1,CUSTOM_C>'
object1 INTERFACE_CUSTOM_C: '$<TARGET_PROPERTY:object1,INTERFACE_CUSTOM_C>'
object1 CUSTOM_U: '$<TARGET_PROPERTY:object1,CUSTOM_U>'
object1 INTERFACE_CUSTOM_U: '$<TARGET_PROPERTY:object1,INTERFACE_CUSTOM_U>'
object1 CUSTOM_W: '$<TARGET_PROPERTY:object1,CUSTOM_W>'
object1 INTERFACE_CUSTOM_W: '$<TARGET_PROPERTY:object1,INTERFACE_CUSTOM_W>'
main CUSTOM_A: '$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_A>'
main INTERFACE_CUSTOM_A: '$<TARGET_PROPERTY:CustomTransitiveProperties,INTERFACE_CUSTOM_A>'
main CUSTOM_B: '$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_B>'
main INTERFACE_CUSTOM_B: '$<TARGET_PROPERTY:CustomTransitiveProperties,INTERFACE_CUSTOM_B>'
main CUSTOM_C: '$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_C>'
main INTERFACE_CUSTOM_C: '$<TARGET_PROPERTY:CustomTransitiveProperties,INTERFACE_CUSTOM_C>'
main CUSTOM_U: '$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_U>'
main INTERFACE_CUSTOM_U: '$<TARGET_PROPERTY:CustomTransitiveProperties,INTERFACE_CUSTOM_U>'
main CUSTOM_V: '$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_V>'
main INTERFACE_CUSTOM_V: '$<TARGET_PROPERTY:CustomTransitiveProperties,INTERFACE_CUSTOM_V>'
main CUSTOM_W: '$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_W>'
main INTERFACE_CUSTOM_W: '$<TARGET_PROPERTY:CustomTransitiveProperties,INTERFACE_CUSTOM_W>'
")
add_custom_target(check ALL VERBATIM
  COMMAND ${CMAKE_COMMAND} -Dconfig=$<CONFIG> -Dout=${out} -P${CMAKE_CURRENT_SOURCE_DIR}/check.cmake
  COMMAND CustomTransitiveProperties
  "$<TARGET_PROPERTY:static1,CUSTOM_A>" "CUSTOM_A_STATIC1;CUSTOM_A_IFACE2;CUSTOM_A_TARGET_TYPE_STATIC_LIBRARY;CUSTOM_A_IFACE1;CUSTOM_A_TARGET_NAME_STATIC1"
  "$<TARGET_PROPERTY:static1,CUSTOM_B>" "CUSTOM_B_STATIC1;CUSTOM_B_IFACE1"
  "$<TARGET_PROPERTY:static1,CUSTOM_U>" "CUSTOM_U_STATIC1;CUSTOM_U_IFACE2;CUSTOM_U_TARGET_TYPE_STATIC_LIBRARY;CUSTOM_U_IFACE1;CUSTOM_U_TARGET_NAME_STATIC1"
  "$<TARGET_PROPERTY:static1,CUSTOM_V>" "CUSTOM_V_STATIC1;CUSTOM_V_IFACE1"
  "$<TARGET_PROPERTY:object1,CUSTOM_A>" "CUSTOM_A_OBJECT1;CUSTOM_A_IFACE2;CUSTOM_A_TARGET_TYPE_OBJECT_LIBRARY;CUSTOM_A_IFACE1;CUSTOM_A_TARGET_NAME_OBJECT1"
  "$<TARGET_PROPERTY:object1,CUSTOM_C>" "CUSTOM_C_OBJECT1;CUSTOM_C_IFACE1"
  "$<TARGET_PROPERTY:object1,CUSTOM_U>" "CUSTOM_U_OBJECT1;CUSTOM_U_IFACE2;CUSTOM_U_TARGET_TYPE_OBJECT_LIBRARY;CUSTOM_U_IFACE1;CUSTOM_U_TARGET_NAME_OBJECT1"
  "$<TARGET_PROPERTY:object1,CUSTOM_W>" "CUSTOM_W_OBJECT1;CUSTOM_W_IFACE1"
  "$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_A>" "CUSTOM_A_MAIN"
  "$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_B>" "CUSTOM_B_MAIN;CUSTOM_B_STATIC1_IFACE"
  "$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_C>" "CUSTOM_C_MAIN;CUSTOM_C_OBJECT1_IFACE"
  "$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_U>" "CUSTOM_U_MAIN;CUSTOM_U_STATIC1_IFACE;CUSTOM_U_IFACE2;CUSTOM_U_TARGET_TYPE_EXECUTABLE;CUSTOM_U_IFACE1;CUSTOM_U_TARGET_NAME_CUSTOMTRANSITIVEPROPERTIES;CUSTOM_U_OBJECT1_IFACE"
  "$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_V>" "CUSTOM_V_MAIN;CUSTOM_V_STATIC1_IFACE;CUSTOM_V_IFACE1"
  "$<TARGET_PROPERTY:CustomTransitiveProperties,CUSTOM_W>" "CUSTOM_W_MAIN;CUSTOM_W_IFACE1;CUSTOM_W_OBJECT1_IFACE"
  )