20 lines
847 B
CMake
20 lines
847 B
CMake
option(NANA_CMAKE_ENABLE_PNG "Enable the use of PNG" OFF)
|
|
option(NANA_CMAKE_LIBPNG_FROM_OS "Use libpng from operating system." ON)
|
|
|
|
# todo: decide - PUBLIC vs PRIVATE
|
|
|
|
if(NANA_CMAKE_ENABLE_PNG)
|
|
target_compile_definitions(nana PUBLIC NANA_ENABLE_PNG)
|
|
if(NANA_CMAKE_LIBPNG_FROM_OS)
|
|
find_package(PNG)
|
|
if(PNG_FOUND)
|
|
target_include_directories(nana PUBLIC ${PNG_INCLUDE_DIRS})
|
|
target_link_libraries (nana PUBLIC ${PNG_LIBRARIES})
|
|
target_compile_definitions(nana PUBLIC USE_LIBPNG_FROM_OS ${PNG_DEFINITIONS})
|
|
# target_include_directories (nana SYSTEM PUBLIC PNG::PNG) # ??
|
|
# target_compile_definitions (nana PUBLIC USE_LIBPNG_FROM_OS)
|
|
endif()
|
|
else()
|
|
target_link_libraries(nana PUBLIC png) # provided by nana?
|
|
endif()
|
|
endif() |