094b3001fd
Report the enabled pipelines when configuring the meson build hierarchy. This helps clarify what pipelines are used when building, and is useful when looking back through build-traces to see what was actually configured. This can be expanded upon to report other options, and ideally will be replaced by mesons summary() functionality when it is available. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
146 lines
4.6 KiB
Meson
146 lines
4.6 KiB
Meson
# SPDX-License-Identifier: CC0-1.0
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project('libcamera', 'c', 'cpp',
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meson_version : '>= 0.47',
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version : '0.0.0',
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default_options : [
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'werror=true',
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'warning_level=2',
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'cpp_std=c++17',
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],
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license : 'LGPL 2.1+')
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# Generate version information. The libcamera_git_version variable contains the
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# full version with git patch count and SHA1 (e.g. 1.2.3+211-c94a24f4), while
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# the libcamera_version variable contains the major.minor.patch (e.g. 1.2.3)
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# only. If the source tree isn't under git control, or if it matches the last
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# git version tag, the build metadata (e.g. +211-c94a24f4) is omitted from
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# libcamera_git_version.
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libcamera_git_version = run_command('utils/gen-version.sh',
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meson.build_root()).stdout().strip()
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if libcamera_git_version == ''
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libcamera_git_version = meson.project_version()
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endif
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libcamera_version = libcamera_git_version.split('+')[0]
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# Configure the build environment.
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cc = meson.get_compiler('c')
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config_h = configuration_data()
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if cc.has_header_symbol('execinfo.h', 'backtrace')
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config_h.set('HAVE_BACKTRACE', 1)
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endif
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if cc.has_header_symbol('stdlib.h', 'secure_getenv', prefix : '#define _GNU_SOURCE')
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config_h.set('HAVE_SECURE_GETENV', 1)
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endif
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common_arguments = [
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'-include', 'config.h',
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]
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c_arguments = []
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cpp_arguments = []
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if cc.get_id() == 'clang'
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if cc.version().version_compare('<5')
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error('clang version is too old, libcamera requires 5.0 or newer')
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endif
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# Turn _FORTIFY_SOURCE by default on optimised builds (as it requires -O1
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# or higher). This is needed on clang only as gcc enables it by default.
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if get_option('optimization') != '0'
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common_arguments += [
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'-D_FORTIFY_SOURCE=2',
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]
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endif
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# Use libc++ by default if available instead of libstdc++ when compiling
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# with clang.
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if cc.find_library('libc++', required: false).found()
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cpp_arguments += [
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'-stdlib=libc++',
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]
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endif
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endif
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if cc.get_id() == 'gcc'
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if cc.version().version_compare('<7')
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error('gcc version is too old, libcamera requires 7.0 or newer')
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endif
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# gcc 7.1 introduced processor-specific ABI breakages related to parameter
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# passing on ARM platforms. This generates a large number of messages
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# during compilation with gcc >=7.1 until gcc 9. Silence them.
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if (host_machine.cpu_family() == 'arm' and
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cc.version().version_compare('>=7.1') and
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cc.version().version_compare('<9'))
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cpp_arguments += [
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'-Wno-psabi',
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]
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endif
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endif
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# We use C99 designated initializers for arrays as C++ has no equivalent
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# feature. Both gcc and clang support this extension, but recent
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# versions of clang generate a warning that needs to be disabled.
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if cc.has_argument('-Wno-c99-designator')
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common_arguments += [
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'-Wno-c99-designator',
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]
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endif
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c_arguments += common_arguments
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cpp_arguments += common_arguments
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add_project_arguments(c_arguments, language : 'c')
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add_project_arguments(cpp_arguments, language : 'cpp')
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add_project_link_arguments(cpp_arguments, language : 'cpp')
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libcamera_includes = include_directories('include')
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subdir('include')
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subdir('src')
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subdir('utils')
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# The documentation and test components are optional and can be disabled
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# through configuration values. They are enabled by default.
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if get_option('documentation')
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subdir('Documentation')
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endif
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if get_option('test')
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subdir('test')
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endif
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if not meson.is_cross_build()
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kernel_version_req = '>= 5.0.0'
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kernel_version = run_command('uname', '-r').stdout().strip()
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if not kernel_version.version_compare(kernel_version_req)
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warning('The current running kernel version @0@ is too old to run libcamera.'
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.format(kernel_version))
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warning('If you intend to use libcamera on this machine, please upgrade to a kernel @0@.'
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.format(kernel_version_req))
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endif
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endif
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# Create a symlink from the build root to the source root. This is used when
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# running libcamera from the build directory to locate resources in the source
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# directory (such as IPA configuration files).
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run_command('ln', '-fsT', meson.source_root(),
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join_paths(meson.build_root(), 'source'))
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configure_file(output : 'config.h', configuration : config_h)
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pkg_mod = import('pkgconfig')
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pkg_mod.generate(libraries : libcamera,
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version : '1.0',
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name : 'libcamera',
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filebase : 'camera',
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description : 'Complex Camera Support Library',
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subdirs : 'libcamera')
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## Summarise Configurations
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message('Enabled pipelines: ' + ', '.join(get_option('pipelines')))
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