project('libcamera', 'c', 'cpp', meson_version : '>= 0.47', version : '0.0.0', default_options : [ 'werror=true', 'warning_level=2', 'cpp_std=c++14', ], license : 'LGPL 2.1+') # Generate version information. The libcamera_git_version variable contains the # full version with git patch count and SHA1 (e.g. 1.2.3+211-c94a24f4), while # the libcamera_version variable contains the major.minor.patch (e.g. 1.2.3) # only. If the source tree isn't under git control, or if it matches the last # git version tag, the build metadata (e.g. +211-c94a24f4) is omitted from # libcamera_git_version. libcamera_git_version = run_command('utils/gen-version.sh', meson.build_root()).stdout().strip() if libcamera_git_version == '' libcamera_git_version = meson.project_version() endif libcamera_version = libcamera_git_version.split('+')[0] # Configure the build environment. cc = meson.get_compiler('c') config_h = configuration_data() if cc.has_header_symbol('execinfo.h', 'backtrace') config_h.set('HAVE_BACKTRACE', 1) endif if cc.has_header_symbol('stdlib.h', 'secure_getenv', prefix : '#define _GNU_SOURCE') config_h.set('HAVE_SECURE_GETENV', 1) endif common_arguments = [ '-Wno-unused-parameter', '-include', 'config.h', ] c_arguments = [] cpp_arguments = [] if cc.get_id() == 'clang' # Turn _FORTIFY_SOURCE by default on optimised builds (as it requires -O1 # or higher). This is needed on clang only as gcc enables it by default. if get_option('optimization') != '0' common_arguments += [ '-D_FORTIFY_SOURCE=2', ] endif # Use libc++ by default if available instead of libstdc++ when compiling # with clang. if cc.find_library('libc++', required: false).found() cpp_arguments += [ '-stdlib=libc++', ] endif endif # We use C99 designated initializers for arrays as C++ has no equivalent # feature. Both gcc and clang support this extension, but recent # versions of clang generate a warning that needs to be disabled. if cc.has_argument('-Wno-c99-designator') common_arguments += [ '-Wno-c99-designator', ] endif c_arguments += common_arguments cpp_arguments += common_arguments add_project_arguments(c_arguments, language : 'c') add_project_arguments(cpp_arguments, language : 'cpp') add_project_link_arguments(cpp_arguments, language : 'cpp') libcamera_includes = include_directories('include') subdir('include') subdir('src') subdir('utils') # The documentation and test components are optional and can be disabled # through configuration values. They are enabled by default. if get_option('documentation') subdir('Documentation') endif if get_option('test') subdir('test') endif configure_file(output : 'config.h', configuration : config_h) pkg_mod = import('pkgconfig') pkg_mod.generate(libraries : libcamera, version : '1.0', name : 'libcamera', filebase : 'camera', description : 'Complex Camera Support Library')