option('deprecated', type : 'boolean', value : true, description: 'Build deprecated components')
option('doxygen', type : 'boolean', value : false, description: 'Build C++ documentation')
option('gtk_doc', type : 'boolean', value : false, description: 'Build GTK-doc documentation')
option('modules', type : 'feature', value : 'auto', description: 'Build dynamic modules')
option('introspection', type : 'boolean', value : true, description: 'Build GObject Introspection')
option('vapi', type : 'boolean', value : false, description: 'Build VAPI')
# External libraries
option('cfitsio', type : 'feature', value : 'auto', description: 'Build with cfitsio')
option('cgif', type : 'feature', value : 'auto', description: 'Build with cgif')
option('exif', type : 'feature', value : 'auto', description: 'Build with libexif')
option('fftw', type : 'feature', value : 'auto', description: 'Build with fftw3')
option('fontconfig', type : 'feature', value : 'auto', description: 'Build with fontconfig')
option('gsf', type : 'feature', value : 'auto', description: 'Build with libgsf-1')
option('heif', type : 'feature', value : 'auto', description: 'Build with libheif')
option('heif-module', type : 'boolean', value : false, description: 'Build libheif as module')
option('imagequant', type : 'feature', value : 'auto', description: 'Build with imagequant')
option('jpeg', type : 'feature', value : 'auto', description: 'Build with jpeg')
option('jpeg-xl', type : 'feature', value : 'auto', description: 'Build with libjxl')
option('jpeg-xl-module', type : 'boolean', value : false, description: 'Build libjxl as module')
option('lcms', type : 'feature', value : 'auto', description: 'Build with lcms2')
option('magick', type : 'feature', value : 'auto', description: 'Build with libMagic')
option('magick-package', type : 'string', value : 'MagickCore', description: 'ImageMagick package to build with')
option('magick-features', type : 'array', choices : ['load', 'save'], value : ['load', 'save'], description: 'Enable libMagic load or save capabilities')
option('magick-module', type : 'boolean', value : false, description: 'Build libMagic as module')
option('matio', type : 'feature', value : 'auto', description: 'Build with matio')
option('nifti', type : 'feature', value : 'auto', description: 'Build with nifti')
option('openexr', type : 'feature', value : 'auto', description: 'Build with OpenEXR')
option('openjpeg', type : 'feature', value : 'auto', description: 'Build with libopenjp2')
option('openslide', type : 'feature', value : 'auto', description: 'Build with OpenSlide')
option('openslide-module', type : 'boolean', value : false, description: 'Build OpenSlide as module')
option('orc', type : 'feature', value : 'auto', description: 'Build with orc-0.4')
option('pangocairo', type : 'feature', value : 'auto', description: 'Build with pangocairo')
option('pdfium', type : 'feature', value : 'auto', description: 'Build with pdfium')
option('png', type : 'feature', value : 'auto', description: 'Build with png')
option('poppler', type : 'feature', value : 'auto', description: 'Build with poppler')
option('poppler-module', type : 'boolean', value : false, description: 'Build poppler as module')
option('quantizr', type : 'feature', value : 'auto', description: 'Build with quantizr')
option('rsvg', type : 'feature', value : 'auto', description: 'Build with rsvg')
option('spng', type : 'feature', value : 'auto', description: 'Build with spng')
option('tiff', type : 'feature', value : 'auto', description: 'Build with tiff')
option('webp', type : 'feature', value : 'auto', description: 'Build with libwebp')
option('zlib', type : 'feature', value : 'auto', description: 'Build with zlib')
# not external libraries, but have options to disable them, helps to reduce attack surface
option('nsgif', type : 'boolean', value : true, description: 'Build with nsgif')
option('ppm', type : 'boolean', value : true, description: 'Build with ppm')
option('analyze', type : 'boolean', value : true, description: 'Build with analyze')
option('radiance', type : 'boolean', value : true, description: 'Build with radiance')