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SConstruct
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import SCons
import os
import os.path
import platform
import re
import sys
# supported platform names
supported_platforms = [
'linux',
'unix',
'darwin',
'android',
]
# supported compiler names (without version)
supported_compilers = [
'clang',
'gcc',
'cc',
]
# supported sanitizers
supported_sanitizers = [
'undefined',
'address',
]
# supported macOS target architectures
supported_macos_archs = [
'all', # for universal binaries, same as manually listing all archs
'x86_64',
'arm64',
]
# default installation prefix
if platform.system() == 'Darwin':
default_prefix = '/usr/local'
else:
default_prefix = '/usr'
AddOption('--prefix',
dest='prefix',
action='store',
type='string',
default=default_prefix,
help="installation prefix, '{}' by default".format(default_prefix))
AddOption('--bindir',
dest='bindir',
action='store',
type='string',
default=os.path.join(GetOption('prefix'), 'bin'),
help=("path to the binary installation directory"
" (where to install Roc command-line tools),"
" '<prefix>/bin' by default"))
AddOption('--libdir',
dest='libdir',
action='store',
type='string',
help=("path to the library installation directory"
" (where to install Roc library),"
" auto-detected by default"))
AddOption('--incdir',
dest='incdir',
action='store',
type='string',
default=os.path.join(GetOption('prefix'), 'include'),
help=("path to the headers installation directory"
" (where to install Roc headers),"
" '<prefix>/include' by default"))
AddOption('--mandir',
dest='mandir',
action='store',
type='string',
default=os.path.join(GetOption('prefix'), 'share/man/man1'),
help=("path to the manuals installation directory"
" (where to install Roc manual pages),"
" '<prefix>/share/man/man1' by default"))
AddOption('--build',
dest='build',
action='store',
type='string',
help=("system name where Roc is being compiled,"
" e.g. 'x86_64-pc-linux-gnu',"
" auto-detected by default"))
AddOption('--host',
dest='host',
action='store',
type='string',
help=("system name where Roc will run,"
" e.g. 'arm-linux-gnueabihf',"
" auto-detected by default"))
AddOption('--platform',
dest='platform',
action='store',
choices=([''] + supported_platforms),
help=("platform name where Roc will run,"
" supported values: empty (detect from host), {}".format(
', '.join(["'{}'".format(s) for s in supported_platforms]))))
AddOption('--compiler',
dest='compiler',
action='store',
type='string',
help=("compiler name and optional version, e.g. 'gcc-4.9',"
" supported names: empty (detect what available), {}".format(
', '.join(["'{}'".format(s) for s in supported_compilers]))))
AddOption('--compiler-launcher',
dest='compiler_launcher',
action='store',
type='string',
help=("optional launching tool for c and c++ compilers,"
" e.g. 'ccache'"))
AddOption('--sanitizers',
dest='sanitizers',
action='store',
type='string',
help=("list of gcc/clang sanitizers,"
" supported names: empty (no sanitizers), 'all', " +
', '.join(["'{}'".format(s) for s in supported_sanitizers])))
AddOption('--enable-debug',
dest='enable_debug',
action='store_true',
help='enable debug build for Roc')
AddOption('--enable-debug-3rdparty',
dest='enable_debug_3rdparty',
action='store_true',
help='enable debug build for 3rdparty libraries')
AddOption('--enable-werror',
dest='enable_werror',
action='store_true',
help='treat warnings as errors')
AddOption('--enable-static',
dest='enable_static',
action='store_true',
help='enable building static library')
AddOption('--disable-shared',
dest='disable_shared',
action='store_true',
help='disable building shared library')
AddOption('--disable-tools',
dest='disable_tools',
action='store_true',
help='disable tools building')
AddOption('--enable-tests',
dest='enable_tests',
action='store_true',
help='enable tests building and running (requires CppUTest)')
AddOption('--enable-benchmarks',
dest='enable_benchmarks',
action='store_true',
help='enable bechmarks building and running (requires Google Benchmark)')
AddOption('--enable-examples',
dest='enable_examples',
action='store_true',
help='enable examples building')
AddOption('--enable-doxygen',
dest='enable_doxygen',
action='store_true',
help='enable Doxygen documentation generation')
AddOption('--enable-sphinx',
dest='enable_sphinx',
action='store_true',
help='enable Sphinx documentation generation')
AddOption('--disable-c11',
dest='disable_c11',
action='store_true',
help='disable C11 support')
AddOption('--disable-soversion',
dest='disable_soversion',
action='store_true',
help=("don't write version into the shared library"
" and don't create version symlinks"))
AddOption('--disable-openfec',
dest='disable_openfec',
action='store_true',
help='disable OpenFEC support required for FEC codes')
AddOption('--disable-speexdsp',
dest='disable_speexdsp',
action='store_true',
help='disable SpeexDSP support for resampling')
AddOption('--disable-sox',
dest='disable_sox',
action='store_true',
help='disable SoX support in tools')
AddOption('--disable-libvorbis',
dest='disable_libvorbis',
action='store_true',
help='disable libvorbis support in tools')
AddOption('--disable-sndfile',
dest='disable_sndfile',
action='store_true',
help='disable sndfile support in tools')
AddOption('--disable-openssl',
dest='disable_openssl',
action='store_true',
help='disable OpenSSL support required for DTLS and SRTP')
AddOption('--disable-libunwind',
dest='disable_libunwind',
action='store_true',
help='disable libunwind support required for printing backtrace')
AddOption('--disable-alsa',
dest='disable_alsa',
action='store_true',
help='disable ALSA support in tools')
AddOption('--disable-pulseaudio',
dest='disable_pulseaudio',
action='store_true',
help='disable PulseAudio support in tools')
AddOption('--with-openfec-includes',
dest='with_openfec_includes',
action='store',
type='string',
help=("path to the directory with OpenFEC headers (it should contain"
" lib_common and lib_stable subdirectories)"))
AddOption('--with-includes',
dest='with_includes',
action='append',
type='string',
help=("additional include search path, may be used multiple times"))
AddOption('--with-libraries',
dest='with_libraries',
action='append',
type='string',
help=("additional library search path, may be used multiple times"))
AddOption('--macos-platform',
dest='macos_platform',
action='store',
type='string',
help=("macOS target platform, e.g. 10.12,"
" (default is current OS version)"))
AddOption('--macos-arch',
dest='macos_arch',
action='store',
type='string',
help=("macOS target architecture(s),"
" comma-separated list, supported values: {}".format(
', '.join(["'{}'".format(s) for s in supported_macos_archs])) +
" (default is current OS arch, pass multiple values"
" or 'all' for univeral binaries)"))
AddOption('--build-3rdparty',
dest='build_3rdparty',
action='store',
type='string',
help=("download and build specified 3rdparty libraries,"
" comma-separated list of library names and optional"
" versions, e.g. 'libuv:1.4.2,openfec'"))
AddOption('--override-targets',
dest='override_targets',
action='store',
type='string',
help=("override targets to use,"
" pass a comma-separated list of target names,"
" e.g. 'pc,posix,posix_ext,gnu,libuv,openfec,...'"))
# configure even in dry run mode
SCons.SConf.dryrun = 0
# when we cross-compile on macOS to Android using clang, we should use
# GNU-like clang options, but SCons incorrectly sets up Apple-like
# clang options; here we prevent this behavior by forcing 'posix' platform
scons_platform = Environment(ENV=os.environ)['PLATFORM']
for opt in ['host', 'platform']:
if 'android' in (GetOption(opt) or ''):
scons_platform = 'posix'
env = Environment(
ENV=os.environ,
platform=scons_platform,
toolpath=[os.path.join(Dir('#').abspath, 'scripts')],
tools=[
'default',
'scons_plugin', # our plugin in scripts/
])
# performance tuning
env.Decider('MD5-timestamp')
env.SetOption('implicit_cache', 1)
# provide absolute path to force single sconsign file
# per-directory sconsign files seems to be buggy with generated sources
# create separate sconsign file for each python version, since different
# python versions can use different pickle protocols and switching from
# a higher version to a lower one would cause exception
env.SConsignFile(os.path.join(
env.Dir('#').abspath, '.sconsign{}{}.dblite'.format(*sys.version_info[0:2])))
# we always use -fPIC, so object files built for static and shared
# libraries are no different
env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
# fill vars from environment (CC=gcc scons ...) and arguments (scons CC=gcc ...)
for var in ['CXX', 'CC', 'LD', 'AR', 'RANLIB', 'LIPO', 'INSTALL_NAME_TOOL',
'RAGEL', 'GENGETOPT',
'PKG_CONFIG', 'PKG_CONFIG_PATH', 'CONFIG_GUESS',
'CLANG_FORMAT']:
env.OverrideFromArgument(var)
env.OverrideFromArgument('CXXLD', names=['CXXLD', 'CXX'])
env.OverrideFromArgument('CCLD', names=['CCLD', 'LD', 'CC'])
env.OverrideFromArgument('STRIP', default='strip')
env.OverrideFromArgument('OBJCOPY', default='objcopy')
env.OverrideFromArgument('DOXYGEN', default='doxygen')
env.OverrideFromArgument('SPHINX_BUILD', default='sphinx-build')
env.OverrideFromArgument('BREATHE_APIDOC', default='breathe-apidoc')
env.OverrideFromArgument('DESTDIR')
env.PrependFromArgument('CPPFLAGS')
env.PrependFromArgument('CXXFLAGS')
env.PrependFromArgument('CFLAGS')
env.PrependFromArgument('LINKFLAGS', names=['LINKFLAGS', 'LDFLAGS'])
env.PrependFromArgument('STRIPFLAGS')
# ensure that these vars always exist
env.Append(CXXFLAGS=[])
env.Append(CPPDEFINES=[])
env.Append(CPPPATH=[])
env.Append(LIBPATH=[])
env.Append(LIBS=[])
env.Append(STRIPFLAGS=[])
# handle --with-*
if GetOption('with_includes'):
env.Append(CPPPATH=GetOption('with_includes'))
if GetOption('with_libraries'):
env.Append(LIBPATH=GetOption('with_libraries'))
# handle --help
if GetOption('help'):
Return()
# clean* targets
clean_build = []
for p in ['bin', 'build/src']:
for d in env.GlobDirs(p):
clean_build += [env.DeleteDir(d)]
clean_doc = []
for p in ['build/docs', 'docs/html']:
for d in env.GlobDirs(p):
clean_doc += [env.DeleteDir(d)]
clean_all = []
for p in ['bin',
'build',
'dist',
'docs/html',
'compile_commands.json',
'config.log',
'.sconsign*.dblite',
'.sconf_temp',
'debian/.debhelper',
'debian/tmp',
'debian/libroc',
'debian/libroc-dev',
'debian/roc',
'debian/*.substvars',
'debian/*.debhelper.log',
'debian/debhelper-*',
'debian/files',
]:
for d in env.GlobDirs(p):
clean_all += [env.DeleteDir(d)]
for f in env.GlobFiles(p):
clean_all += [env.DeleteFile(f)]
env.AlwaysBuild(env.Alias('clean', [], clean_all))
env.AlwaysBuild(env.Alias('cleanbuild', [], clean_build))
env.AlwaysBuild(env.Alias('cleandocs', [], clean_doc))
if set(COMMAND_LINE_TARGETS).intersection(['clean', 'cleanbuild', 'cleandocs']) or \
env.GetOption('clean'):
if set(COMMAND_LINE_TARGETS) - set(['clean', 'cleanbuild', 'cleandocs']):
env.Die("combining 'clean*' targets with other targets is not allowed")
if env.GetOption('clean'):
if clean_all:
env.Execute(clean_all)
else:
print("scons: Nothing to be done for `clean'.")
Return()
# fmt target
if 'fmt' in COMMAND_LINE_TARGETS:
conf = Configure(env, custom_tests=env.CustomTests)
conf.FindClangFormat()
env = conf.Finish()
fmt_actions = []
fmt_actions.append(env.ClangFormat('#src'))
fmt_actions.append(env.HeaderFormat('#src/internal_modules'))
fmt_actions.append(env.HeaderFormat('#src/public_api/src'))
fmt_actions.append(env.HeaderFormat('#src/tests'))
fmt_actions.append(env.HeaderFormat('#src/tools'))
env.AlwaysBuild(
env.Alias('fmt', [], fmt_actions))
# build documentation
doc_env = env.DeepClone()
doc_env.SConscript('docs/SConscript',
duplicate=0, exports='doc_env')
# run scons self-test
env.AlwaysBuild(env.Alias('selftest', [], [
env.SelfTest(),
]))
# exit early if there is nothing to build
non_build_targets = ['fmt', 'docs', 'sphinx', 'doxygen', 'selftest']
if set(COMMAND_LINE_TARGETS) \
and set(COMMAND_LINE_TARGETS).intersection(non_build_targets) == set(COMMAND_LINE_TARGETS):
Return()
# meta-information about the build, used to generate env parameters
meta = type('meta', (), {
field: '' for field in ('build host toolchain platform variant thirdparty_variant '
'compiler compiler_ver '
'c11_support gnu_toolchain').split()})
# toolchain triple of the local system (where we're building), e.g. x86_64-pc-linux-gnu
meta.build = GetOption('build')
# toolchain triple of the target system (where we will run), e.g. aarch64-linux-gnu
meta.host = GetOption('host') or ''
# toolchain prefix for compiler, linker, and other tools, e.g. aarch64-linux-gnu
meta.toolchain = GetOption('host') or ''
# name of the target platform, e.g. 'linux'; see supported_platforms
meta.platform = GetOption('platform') or ''
# build variant, i.e. 'debug' or 'release'
meta.variant = 'debug' if GetOption('enable_debug') else 'release'
# build variant for third-parties
meta.thirdparty_variant = 'debug' if GetOption('enable_debug_3rdparty') else 'release'
# compiler name, e.g. 'gcc', and version tuple, e.g. (4, 9)
if GetOption('compiler'):
meta.compiler = GetOption('compiler')
if '-' in meta.compiler:
meta.compiler, meta.compiler_ver = meta.compiler.split('-')
meta.compiler_ver = tuple(map(int, meta.compiler_ver.split('.')))
else:
if env.HasArgument('CXX'):
meta.compiler = env.ParseCompilerType(env['CXX'])
elif meta.toolchain:
if env.Which('{}-clang++'.format(meta.toolchain)):
meta.compiler = 'clang'
elif env.Which('{}-g++'.format(meta.toolchain)):
meta.compiler = 'gcc'
elif env.Which('{}-c++'.format(meta.toolchain)):
meta.compiler = 'cc'
else:
if env.Which('clang++'):
meta.compiler = 'clang'
elif env.Which('g++'):
meta.compiler = 'gcc'
elif env.Which('c++'):
meta.compiler = 'cc'
if not meta.compiler:
env.Die("can't detect compiler name, please specify '--compiler=<name>' manually, "
"should be one of: {}", ', '.join(supported_compilers))
if not meta.compiler in supported_compilers:
env.Die("unknown --compiler '{}', expected one of: {}",
meta.compiler, ', '.join(supported_compilers))
if not meta.compiler_ver:
if meta.toolchain:
meta.compiler_ver = env.ParseCompilerVersion('{}-{}'.format(meta.toolchain, meta.compiler))
else:
meta.compiler_ver = env.ParseCompilerVersion(meta.compiler)
if not meta.compiler_ver:
if meta.compiler not in ['cc']:
env.Die("can't detect compiler version for compiler '{}'",
'-'.join([s for s in [meta.toolchain, meta.compiler] if s]))
conf = Configure(env, custom_tests=env.CustomTests)
if meta.compiler == 'clang':
conf.FindLLVMDir(meta.compiler_ver)
if meta.compiler == 'clang':
conf.FindTool('CXX', [meta.toolchain], [('clang++', meta.compiler_ver)])
elif meta.compiler == 'gcc':
conf.FindTool('CXX', [meta.toolchain], [('g++', meta.compiler_ver)])
elif meta.compiler == 'cc':
conf.FindTool('CXX', [meta.toolchain], [('c++', meta.compiler_ver)])
full_compiler_ver = env.ParseCompilerVersion(conf.env['CXX'])
if full_compiler_ver:
meta.compiler_ver = full_compiler_ver
if not meta.build:
for local_compiler in ['/usr/bin/gcc', '/usr/bin/clang']:
meta.build = env.ParseCompilerTarget(local_compiler)
if meta.build:
break
if not meta.build and not meta.host:
if conf.CheckCanRunProgs():
meta.build = env.ParseCompilerTarget(conf.env['CXX'])
if not meta.build:
if conf.FindConfigGuess():
meta.build = env.ParseConfigGuess(conf.env['CONFIG_GUESS'])
if not meta.build:
env.Die(("can't detect system type, please specify '--build=<type>' manually, "
"e.g. '--build=x86_64-pc-linux-gnu'"))
if not meta.host:
meta.host = env.ParseCompilerTarget(conf.env['CXX'])
if not meta.host:
meta.host = meta.build
if not meta.toolchain and meta.build != meta.host:
meta.toolchain = meta.host
if not meta.toolchain and meta.build == meta.host:
meta.build = meta.host = env.ParseMacosHost(
meta.host, GetOption('macos_platform'), GetOption('macos_arch'))
if not meta.platform:
if 'android' in meta.host:
meta.platform = 'android'
elif 'linux' in meta.host:
meta.platform = 'linux'
elif 'darwin' in meta.host:
meta.platform = 'darwin'
elif 'gnu' in meta.host:
meta.platform = 'unix'
if not meta.platform and meta.host == meta.build:
if os.name == 'posix':
meta.platform = 'unix'
if not meta.platform:
env.Die("can't detect platform name, please specify '--platform=<name>' manually, "
"should be one of: {}", ', '.join(supported_platforms))
if meta.platform not in supported_platforms:
env.Die(("unknown --platform '{}', expected on of: {}"),
meta.platform, ', '.join(supported_platforms))
allowed_toolchains = [meta.toolchain]
if meta.toolchain != '' and meta.build == meta.host:
allowed_toolchains += ['']
if meta.compiler == 'clang':
conf.FindTool('CXX', allowed_toolchains, [('clang++', meta.compiler_ver)])
conf.FindTool('CC', allowed_toolchains, [('clang', meta.compiler_ver)])
conf.FindTool('CXXLD', allowed_toolchains, [('clang++', meta.compiler_ver)])
conf.FindTool('CCLD', allowed_toolchains, [('clang', meta.compiler_ver)])
conf.FindTool('LD', allowed_toolchains, [('ld', None)], required=False)
compiler_dir = env.ParseCompilerDirectory(conf.env['CXX'])
if compiler_dir:
prepend_path = [compiler_dir]
else:
prepend_path = []
conf.FindTool('AR', allowed_toolchains,
[('llvm-ar', meta.compiler_ver), ('llvm-ar', None), ('ar', None)],
compiler_dir=compiler_dir,
prepend_path=prepend_path)
conf.FindTool('RANLIB', allowed_toolchains,
[('llvm-ranlib', meta.compiler_ver), ('llvm-ranlib', None), ('ranlib', None)],
compiler_dir=compiler_dir,
prepend_path=prepend_path)
conf.FindTool('STRIP', allowed_toolchains,
[('llvm-strip', meta.compiler_ver), ('llvm-strip', None), ('strip', None)],
compiler_dir=compiler_dir,
prepend_path=prepend_path)
conf.FindTool('OBJCOPY', allowed_toolchains,
[('llvm-objcopy', meta.compiler_ver),
('llvm-objcopy', None),
('objcopy', None)],
compiler_dir=compiler_dir,
prepend_path=prepend_path,
required=False)
elif meta.compiler == 'gcc':
conf.FindTool('CXX', allowed_toolchains, [('g++', meta.compiler_ver)])
conf.FindTool('CC', allowed_toolchains, [('gcc', meta.compiler_ver)])
conf.FindTool('CXXLD', allowed_toolchains, [('g++', meta.compiler_ver)])
conf.FindTool('CCLD', allowed_toolchains, [('gcc', meta.compiler_ver)])
conf.FindTool('LD', allowed_toolchains, [('ld', None)], required=False)
conf.FindTool('AR', allowed_toolchains, [('ar', None)])
conf.FindTool('RANLIB', allowed_toolchains, [('ranlib', None)])
conf.FindTool('STRIP', allowed_toolchains, [('strip', None)])
conf.FindTool('OBJCOPY', allowed_toolchains, [('objcopy', None)], required=False)
elif meta.compiler == 'cc':
conf.FindTool('CXX', allowed_toolchains, [('c++', meta.compiler_ver)])
conf.FindTool('CC', allowed_toolchains, [('cc', meta.compiler_ver)])
conf.FindTool('CXXLD', allowed_toolchains, [('c++', meta.compiler_ver)])
conf.FindTool('CCLD', allowed_toolchains, [('cc', meta.compiler_ver)])
conf.FindTool('AR', allowed_toolchains, [('ar', None)])
conf.FindTool('RANLIB', allowed_toolchains, [('ranlib', None)])
conf.FindTool('STRIP', allowed_toolchains, [('strip', None)])
conf.env['LINK'] = env['CXXLD']
conf.env['SHLINK'] = env['CXXLD']
if GetOption('compiler_launcher'):
conf.FindProgram('COMPILER_LAUNCHER', GetOption('compiler_launcher'))
if meta.platform == 'darwin':
conf.FindTool('LIPO', [''], [('lipo', None)], required=False)
conf.FindTool('INSTALL_NAME_TOOL', [''], [('install_name_tool', None)], required=False)
meta.c11_support = False
if not GetOption('disable_c11'):
if meta.compiler == 'gcc':
meta.c11_support = meta.compiler_ver[:2] >= (4, 9)
elif meta.compiler == 'clang' and meta.platform == 'darwin':
meta.c11_support = meta.compiler_ver[:2] >= (7, 0)
elif meta.compiler == 'clang' and meta.platform != 'darwin':
meta.c11_support = meta.compiler_ver[:2] >= (3, 6)
# true if we have full-featured GNU toolchain with all needed compiler and linker options
# note that macOS is excluded
meta.gnu_toolchain = False
if meta.platform in ['linux', 'unix']:
meta.gnu_toolchain = 'gnu' in meta.host
elif meta.platform in ['android']:
meta.gnu_toolchain = True
conf.env['ROC_SYSTEM_BINDIR'] = GetOption('bindir')
conf.env['ROC_SYSTEM_INCDIR'] = GetOption('incdir')
if GetOption('libdir'):
conf.env['ROC_SYSTEM_LIBDIR'] = GetOption('libdir')
else:
conf.FindLibDir(GetOption('prefix'), meta.host)
conf.env['ROC_SYSTEM_PCDIR'] = os.path.join(env['ROC_SYSTEM_LIBDIR'], 'pkgconfig')
conf.FindPkgConfig(meta.toolchain)
conf.FindPkgConfigPath(GetOption('prefix'))
env = conf.Finish()
# build directories
env['ROC_BINDIR'] = '#bin/{}'.format(meta.host)
env['ROC_BUILDDIR'] = '#build/src/{}/{}'.format(
meta.host,
'-'.join(
[s for s in [
meta.compiler,
'.'.join(map(str, meta.compiler_ver)) if meta.compiler_ver else '',
meta.variant
] if s])
)
env['ROC_THIRDPARTY_BUILDDIR'] = '#build/3rdparty/{}/{}'.format(
meta.host,
'-'.join(
[s for s in [
meta.compiler,
'.'.join(map(str, meta.compiler_ver)) if meta.compiler_ver else '',
meta.thirdparty_variant
] if s])
)
# version info
env['ROC_VERSION'] = env.ParseProjectVersion('src/public_api/include/roc/version.h')
env['ROC_COMMIT'] = env.ParseGitHead()
env['ROC_SOVER'] = '.'.join(env['ROC_VERSION'].split('.')[:2])
# internal modules
env['ROC_MODULES'] = [
'roc_core',
'roc_status',
'roc_stat',
'roc_dbgio',
'roc_address',
'roc_packet',
'roc_audio',
'roc_rtp',
'roc_rtcp',
'roc_fec',
'roc_netio',
'roc_sndio',
'roc_pipeline',
'roc_sdp',
'roc_ctl',
'roc_node',
]
# build variant for roc and dependencies (e.g. 'debug' or 'release')
env['ROC_VARIANT'] = meta.variant
env['ROC_THIRDPARTY_VARIANT'] = meta.thirdparty_variant
# toolchain tuples (e.g. 'aarch64-linux-gnu')
env['ROC_BUILD'] = meta.build
env['ROC_HOST'] = meta.host
env['ROC_TOOLCHAIN'] = meta.toolchain
# platform identifier (e.g. 'linux', 'android')
env['ROC_PLATFORM'] = meta.platform
# platform version that we build against
env['ROC_POSIX_PLATFORM'] = '200809'
env['ROC_ANDROID_PLATFORM'] = '21'
# macOS target platform version and architecture(s)
env['ROC_MACOS_PLATFORM'] = env.ParseMacosPlatform(meta.host, GetOption('macos_platform'))
env['ROC_MACOS_ARCH'] = env.ParseMacosArch(meta.host, GetOption('macos_arch'))
# enabled target directories
env['ROC_TARGETS'] = []
if GetOption('override_targets'):
for t in GetOption('override_targets').split(','):
env['ROC_TARGETS'] += ['target_' + t]
else:
if meta.platform in ['linux', 'darwin', 'unix']:
env.Append(ROC_TARGETS=[
'target_pc',
])
if meta.platform in ['linux', 'android', 'darwin', 'unix']:
env.Append(ROC_TARGETS=[
'target_posix',
])
if meta.platform in ['linux', 'darwin', 'unix']:
env.Append(ROC_TARGETS=[
'target_posix_pc',
])
if meta.platform in ['linux', 'android', 'unix']:
env.Append(ROC_TARGETS=[
'target_posix_ext',
])
if meta.platform in ['linux', 'android' 'darwin'] or meta.gnu_toolchain:
env.Append(ROC_TARGETS=[
# GNU C++ Standard Library (libstdc++), or compatible, like
# LLVM C++ Standard Library (libc++)
'target_gnu',
])
if meta.platform in ['darwin']:
env.Append(ROC_TARGETS=[
'target_darwin',
])
if meta.platform in ['android']:
env.Append(ROC_TARGETS=[
'target_android',
])
if meta.c11_support:
env.Append(ROC_TARGETS=[
'target_c11',
])
else:
env.Append(ROC_TARGETS=[
'target_libatomic_ops',
])
if meta.platform in ['linux', 'darwin', 'unix'] and not GetOption('disable_libunwind'):
env.Append(ROC_TARGETS=[
'target_libunwind',
])
env.Append(ROC_TARGETS=[
'target_libuv',
])
if not GetOption('disable_openfec'):
env.Append(ROC_TARGETS=[
'target_openfec',
])
if not GetOption('disable_openssl'):
env.Append(ROC_TARGETS=[
'target_openssl',
])
else:
env.Append(ROC_TARGETS=[
'target_nocsprng',
])
if not GetOption('disable_speexdsp'):
env.Append(ROC_TARGETS=[
'target_speexdsp',
])
if not GetOption('disable_tools'):
if not GetOption('disable_sox'):
env.Append(ROC_TARGETS=[
'target_sox',
])
if not GetOption('disable_sndfile'):
env.Append(ROC_TARGETS=[
'target_sndfile',
])
if not GetOption('disable_alsa') and meta.platform in ['linux']:
env.Append(ROC_TARGETS=[
'target_alsa',
])
if not GetOption('disable_pulseaudio') and meta.platform in ['linux']:
env.Append(ROC_TARGETS=[
'target_pulseaudio',
])
if not GetOption('disable_libvorbis'):
env.Append(ROC_TARGETS=[
'target_libogg',
])
env.Append(ROC_TARGETS=[
'target_libvorbis',
])
if 'target_gnu' not in env['ROC_TARGETS']:
env.Append(ROC_TARGETS=[
'target_nodemangle',
])
if 'target_libunwind' not in env['ROC_TARGETS'] and \
'target_android' not in env['ROC_TARGETS']:
env.Append(ROC_TARGETS=[
'target_nobacktrace',
])
# env will hold settings common to all code
# subenvs will hold settings specific to particular parts of code
subenv_names = 'internal_modules public_libs examples tools tests generated_code'.split()
subenv_attrs = {field: env.DeepClone() for field in subenv_names}
subenv_attrs['all'] = list(subenv_attrs.values())
subenvs = type('subenvs', (), subenv_attrs)
# find or build third-party dependencies
env, subenvs = env.SConscript('3rdparty/SConscript',
duplicate=0, exports='env subenvs meta')
env.Append(CPPDEFINES=[
# for UINT32_MAX and others (https://bugzilla.mozilla.org/show_bug.cgi?id=673556):
('__STDC_LIMIT_MACROS', '1'),
])
if 'target_posix' in env['ROC_TARGETS'] and meta.platform not in ['darwin']:
# macOS is special, otherwise rely on _POSIX_C_SOURCE
env.Append(CPPDEFINES=[('_POSIX_C_SOURCE', env['ROC_POSIX_PLATFORM'])])
if meta.platform in ['darwin']:
if env['ROC_MACOS_PLATFORM']:
for var in ['CXXFLAGS', 'CFLAGS', 'LINKFLAGS']:
env.Append(**{var: [
'-mmacosx-version-min=' + env['ROC_MACOS_PLATFORM'],
]})
for arch in env['ROC_MACOS_ARCH']:
for var in ['CXXFLAGS', 'CFLAGS', 'LINKFLAGS']:
env.Append(**{var: [
'-arch', arch,
]})
if meta.platform in ['linux', 'unix']:
env.AddManualDependency(libs=['rt', 'dl', 'm'])
if meta.platform in ['android']:
env.AddManualDependency(libs=['log', 'android'])
if meta.compiler in ['gcc', 'clang']:
if not meta.platform in ['android']:
env.Append(CXXFLAGS=[
'-std=c++98',
])
env.Append(CFLAGS=[
'-std=c99',
])
env.Append(CXXFLAGS=[
'-fno-exceptions',
])
for var in ['CXXFLAGS', 'CFLAGS']:
env.Append(**{var: [
'-pthread',
'-fPIC',
]})
if meta.platform in ['linux', 'darwin']:
env.AddManualDependency(libs=['pthread'])
if meta.platform in ['linux', 'android'] or meta.gnu_toolchain:
if not GetOption('disable_soversion'):
subenvs.public_libs['SHLIBSUFFIX'] = '{}.{}'.format(
subenvs.public_libs['SHLIBSUFFIX'], env['ROC_SOVER'])
subenvs.public_libs.Append(LINKFLAGS=[
'-Wl,-soname,libroc{}'.format(subenvs.public_libs['SHLIBSUFFIX']),
])
if meta.variant == 'release':
subenvs.public_libs.Append(LINKFLAGS=[
'-Wl,--version-script={}'.format(env.File('#src/public_api/roc.version').path)
])
if meta.platform in ['darwin']:
if not GetOption('disable_soversion'):
subenvs.public_libs['SHLIBSUFFIX'] = '.{}{}'.format(
env['ROC_SOVER'], subenvs.public_libs['SHLIBSUFFIX'])
subenvs.public_libs.Append(LINKFLAGS=[
'-Wl,-compatibility_version,{}'.format(env['ROC_SOVER']),
'-Wl,-current_version,{}'.format(env['ROC_VERSION']),
])
subenvs.public_libs.Append(LINKFLAGS=[
'-Wl,-install_name,{}/libroc{}'.format(
env.Dir(env['ROC_BINDIR']).abspath, subenvs.public_libs['SHLIBSUFFIX']),
])
if meta.variant == 'release':
subenvs.public_libs.Append(LINKFLAGS=[
'-Wl,-exported_symbol,_roc_*',
])
if not(meta.compiler == 'clang' and meta.variant == 'debug'):
env.Append(CXXFLAGS=[
'-fno-rtti',
])
if meta.variant == 'debug':
for var in ['CXXFLAGS', 'CFLAGS']:
env.Append(**{var: [
'-ggdb',
'-funwind-tables',
'-fno-omit-frame-pointer',
]})
env.Append(LINKFLAGS=[
'-rdynamic'
])
else:
for var in ['CXXFLAGS', 'CFLAGS']:
env.Append(**{var: [
'-fvisibility=hidden',
'-O3',
]})
if meta.compiler == 'gcc' and meta.compiler_ver[:2] < (4, 6):