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# SPDX-License-Identifier: CC0-1.0
if not get_option('v4l2')
v4l2_enabled = false
subdir_done()
endif
v4l2_enabled = true
v4l2_compat_sources = files([
'v4l2_camera.cpp',
'v4l2_camera_file.cpp',
'v4l2_camera_proxy.cpp',
'v4l2_compat.cpp',
'v4l2_compat_manager.cpp',
])
v4l2_compat_cpp_args = [
# Meson enables large file support unconditionally, which redirect file
# operations to 64-bit versions. This results in some symbols being
# renamed, for instance open() being renamed to open64(). As the V4L2
# adaptation wrapper needs to provide both 32-bit and 64-bit versions of
# file operations, disable transparent large file support.
'-U_FILE_OFFSET_BITS',
'-D_FILE_OFFSET_BITS=32',
'-U_TIME_BITS',
'-D_LARGEFILE64_SOURCE',
'-fvisibility=hidden',
]
v4l2_compat = shared_library('v4l2-compat',
v4l2_compat_sources,
name_prefix : '',
install : true,
install_dir : libcamera_libexecdir,
dependencies : [libcamera_private, libdl],
cpp_args : v4l2_compat_cpp_args)
# Provide a wrapper script to support easily loading applications with the V4L2
# adaptation layer.
cdata = configuration_data()
cdata.set('LIBCAMERA_V4L2_SO', get_option('prefix') / libcamera_libexecdir / 'v4l2-compat.so')
configure_file(input : 'libcamerify.in',
output : 'libcamerify',
configuration : cdata,
install_dir : get_option('bindir'),
install_tag : 'bin')
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