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enable_jpeg.cmake
24 lines (21 loc) · 931 Bytes
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enable_jpeg.cmake
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option(NANA_CMAKE_ENABLE_JPEG "Enable the use of JPEG" OFF)
option(NANA_CMAKE_LIBJPEG_FROM_OS "Use libjpeg from operating system." ON)
option(JPEG_HAVE_BOOLEAN "Defining HAVE_BOOLEAN before including jpeglib.h" OFF)
# todo: decide - PUBLIC vs PRIVATE
if(NANA_CMAKE_ENABLE_JPEG)
target_compile_definitions(nana PUBLIC NANA_ENABLE_JPEG)
if(NANA_CMAKE_LIBJPEG_FROM_OS)
find_package(JPEG)
if(JPEG_FOUND)
target_include_directories(nana PUBLIC ${JPEG_INCLUDE_DIRS})
target_link_libraries (nana PUBLIC ${JPEG_LIBRARIES})
target_compile_definitions(nana PUBLIC USE_LIBJPEG_FROM_OS)
endif()
else()
target_compile_definitions(nana PUBLIC -ljpeg)
endif()
if(JPEG_HAVE_BOOLEAN)
# ... Defining HAVE_BOOLEAN before including jpeglib.h should make it work...
target_compile_definitions(nana PUBLIC HAVE_BOOLEAN)
endif()
endif()