dolphin/CMake/DolphinLibraryTools.cmake

21 lines
1.1 KiB
CMake

# like add_library(new ALIAS old) but avoids add_library cannot create ALIAS target "new" because target "old" is imported but not globally visible. on older cmake
# This can be replaced with a direct alias call once our minimum is cmake 3.18
function(dolphin_alias_library new old)
string(REPLACE "::" "" library_no_namespace ${old})
if (NOT TARGET _alias_${library_no_namespace})
add_library(_alias_${library_no_namespace} INTERFACE)
target_link_libraries(_alias_${library_no_namespace} INTERFACE ${old})
endif()
add_library(${new} ALIAS _alias_${library_no_namespace})
endfunction()
# Makes an imported target if it doesn't exist. Useful for when find scripts from older versions of cmake don't make the targets you need
function(dolphin_make_imported_target_if_missing target lib)
if(${lib}_FOUND AND NOT TARGET ${target})
add_library(_${lib} INTERFACE)
target_link_libraries(_${lib} INTERFACE "${${lib}_LIBRARIES}")
target_include_directories(_${lib} INTERFACE "${${lib}_INCLUDE_DIRS}")
add_library(${target} ALIAS _${lib})
endif()
endfunction()