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configure.py
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#!/usr/bin/env python
"""
Script that generates the build.ninja for ninja itself.
Projects that use ninja themselves should either write a similar script
or use a meta-build system that supports Ninja output.
"""
from optparse import OptionParser
import os
import pipes
import re
import string
import subprocess
import sys
root_dir = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.join(root_dir, 'scripts'))
import ninja_syntax
BUILD_FILENAME = 'build.ninja'
BIN_OUT_NAME = 'bin'
LIB_OUT_NAME = 'lib'
OBJ_OUT_NAME = 'obj'
class Platform(object):
"""Represents a host/target platform and its specific build attributes."""
def __init__(self, platform):
self._platform = platform
if self._platform is not None:
return
self._platform = sys.platform
if self._platform.startswith('linux'):
self._platform = 'linux'
elif self._platform.startswith('freebsd'):
self._platform = 'freebsd'
elif self._platform.startswith('openbsd'):
self._platform = 'openbsd'
elif self._platform.startswith('mingw') or os.environ.get('MSYSTEM', '').startswith('MINGW'):
self._platform = 'mingw'
elif self._platform.startswith('win'):
self._platform = 'msvc'
elif self._platform.startswith('netbsd'):
self._platform = 'netbsd'
if self.is_msvc():
self._sysname = 'windows'
else:
self._sysname = self._platform
@staticmethod
def known_platforms():
return ['linux', 'darwin', 'freebsd', 'mingw', 'msvc']
def platform(self):
return self._platform
def sysname(self):
return self._sysname
def is_darwin(self):
return self._platform == 'darwin'
def is_linux(self):
return self._platform == 'linux'
def is_mingw(self):
return self._platform == 'mingw'
def is_msvc(self):
return self._platform == 'msvc'
def is_windows(self):
return self.is_mingw() or self.is_msvc()
def uses_usr_local(self):
return self._platform in ('freebsd', 'linux')
#---------------------------------------------------------------------------------------------------
# Default compiler and linker Flags
CFLAGS = os.environ.get('CFLAGS', '').split()
CPPFLAGS = os.environ.get('CPPFLAGS', '').split()
CXXFLAGS = os.environ.get('CXXFLAGS', '').split()
LDFLAGS = os.environ.get('LDFLAGS', '').split()
LIBFLAGS = os.environ.get('LIBFLAGS', '').split()
windows_libs = [
'mincore',
'kernel32',
'user32',
'shell32',
'advapi32',
'mswsock',
'ntdll',
'psapi',
'rpcrt4',
'ws2_32'
]
mingw_windows_libs = ['mincore', 'mswsock', 'ntdll', 'psapi', 'rpcrt4', 'ws2_32']
# -Wno-c++11-narrowing
default_warning = [
'-Wshadow',
'-Wundef',
'-Wnon-virtual-dtor',
'-Wno-missing-field-initializers',
'-Wold-style-cast',
'-Wcast-align'
]
default_windows_defines = [
'-DUNICODE',
'-D_UNICODE',
'-DWIN32_LEAN_AND_MEAN',
'-DWINVER=0x0A00',
'-D_WIN32_WINNT=0x0A00',
'-D_CRT_SECURE_NO_DEPRECATE',
'-D_SCL_SECURE_NO_DEPRECATE'
]
buildtypes = ['debug', 'debugoptimized', 'release', 'minsize']
gnu_comp_args = {
'debug': {
'defines' : ['-DDEBUG'],
'cflags' : ['-O0', '-g'],
'cxxflags' : ['-O0', '-g'],
},
'debugoptimized': {
'defines' : ['-DDEBUG'],
'cflags' : ['-O1', '-g'],
'cxxflags' : ['-O1', '-g'],
},
'release': {
'defines' : ['-DNDEBUG'],
'cflags' : ['-Os'],
'cxxflags' : ['-Os'],
},
'minsize': {
'defines' : ['-DNDEBUG'],
'cflags' : ['-Oz'],
'cxxflags' : ['-Oz'],
}
}
msvc_comp_args = {
'debug': {
'defines' : default_windows_defines + ['-DDEBUG'],
'warnings' : ['-W4'] + default_warning,
'cflags' : ['-MDd', '-Zi'],
'cxxflags' : ['-MDd', '-Zi', '-EHsc', '-GR', '-std:c++17'],
'ldflags' : ['/debug']
},
'debugoptimized': {
'defines' : default_windows_defines + ['-DDEBUG'],
'warnings' : ['-W4'] + default_warning,
'cflags' : ['-MD', '-Zi', '-O2'],
'cxxflags' : ['-MD', '-Zi', '-EHsc', '-GR', '-std:c++17'],
'ldflags' : []
},
'release': {
'defines' : default_windows_defines + ['-DNDEBUG'],
'warnings' : ['-W4'] + default_warning,
'cflags' : ['-MD', '-O2'],
'cxxflags' : ['-MD', '-O2', '-EHsc', '-GR', '-std:c++17'],
'ldflags' : []
},
'minsize': {
'defines' : default_windows_defines + ['-DNDEBUG'],
'warnings' : ['-W4'] + default_warning,
'cflags' : ['-MD', '-Os'],
'cxxflags' : ['-MD', '-Os', '-EHsc', '-GR', '-std:c++17'],
'ldflags' : []
}
}
#---------------------------------------------------------------------------------------------------
class Compiler:
def __init__(self, name):
self.name = name
self.defines = []
self.warnings = ['-Wall', '-Wextra'] + default_warning
self.cflags = ['-pipe']
self.cxxflags = self.cflags + ['-std=c++17']
self.ldflags = []
class ClangCompiler(Compiler):
def __init__(self, buildtype, platform):
super().__init__('clang')
self.defines = gnu_comp_args[buildtype]['defines']
self.cflags += gnu_comp_args[buildtype]['cflags'] + ['-fcolor-diagnostics']
self.cxxflags += gnu_comp_args[buildtype]['cxxflags'] + ['-fcolor-diagnostics']
if platform.is_windows():
self.defines += default_windows_defines
if platform.is_mingw():
self.cxxflags += ['-femulated-tls']
class ClangclCompiler(Compiler):
def __init__(self, buildtype, platform):
super().__init__('clang-cl')
self.defines = msvc_comp_args[buildtype]['defines']
self.warnings = msvc_comp_args[buildtype]['warnings']
self.cflags = msvc_comp_args[buildtype]['cflags']
self.cxxflags = msvc_comp_args[buildtype]['cxxflags']
self.ldflags = msvc_comp_args[buildtype]['ldflags']
def make_compiler(name, buildenv):
if buildenv.platform.is_msvc():
return ClangclCompiler(buildenv.buildtype, buildenv.platform)
else:
return ClangCompiler(buildenv.buildtype, buildenv.platform)
#---------------------------------------------------------------------------------------------------
# Name Templates
msvc_name_tpls = {
'shlib' : {
'prefix' : '',
'suffix' : 'dll',
'fname0' : '{0.name}.{0.suffix}', # no version
'fname1' : '{0.name}-{0.soversion}.{0.suffix}', # with soversion
'import' : '{0.name}.lib',
},
'stlib' : {
'prefix' : 'lib',
'suffix' : 'lib',
'fname' : '{0.prefix}{0.name}.{0.suffix}',
},
'exec' : {
'fname' : '{0.name}.exe'
},
}
mingw_name_tpls = {
'shlib' : {
'prefix' : 'lib',
'suffix' : 'dll',
'fname0' : '{0.prefix}{0.name}.{0.suffix}', # no version
'fname1' : '{0.prefix}{0.name}-{0.soversion}.{0.suffix}', # with soversion
'import' : 'lib{0.name}.dll.a',
},
'stlib' : {
'prefix' : 'lib',
'suffix' : 'a',
'fname' : '{0.prefix}{0.name}.{0.suffix}',
},
'exec' : {
'fname' : '{0.name}.exe'
},
}
darwin_name_tpls = {
'shlib' : {
'prefix' : 'lib',
'suffix' : 'dylib',
'fname0' : '{0.prefix}{0.name}.{0.suffix}', # no version
'fname1' : '{0.prefix}{0.name}.{0.soversion}.{0.suffix}', # with soversion
'import' : '',
},
'stlib' : {
'prefix' : 'lib',
'suffix' : 'a',
'fname' : '{0.prefix}{0.name}.{0.suffix}',
},
'exec' : {
'fname' : '{0.name}'
},
}
gnu_name_tpls = {
'shlib' : {
'prefix' : 'lib',
'suffix' : 'so',
'fname0' : '{0.prefix}{0.name}.{0.suffix}', # no version
'fname1' : '{0.prefix}{0.name}.{0.suffix}.{0.soversion}', # libfoo.so.X
'fname2' : '{0.prefix}{0.name}.{0.suffix}.{0.ltversion}', # libfoo.so.X[.Y[.Z]]
'import' : '',
},
'stlib' : {
'prefix' : 'lib',
'suffix' : 'a',
'fname' : '{0.prefix}{0.name}.{0.suffix}',
},
'exec' : {
'fname' : '{0.name}'
},
}
#---------------------------------------------------------------------------------------------------
class Target:
def __init__(self, name, build_env):
self.name = name
self.build_env = build_env
self.install = False
class BuildTarget(Target):
def __init__(self, name, settings, build_env):
super().__init__(name, build_env)
self._sysname = build_env.platform.sysname()
self._settings = settings
def __str__(self):
return 'Target {}'.format(self.name)
def tool(self):
return self._settings['tool']
def defines(self):
env_defines = 'defines-{}'.format(self._sysname)
return self._settings.get('defines', []) + self._settings.get(env_defines, [])
def includes(self):
env_includes = 'includes-{}'.format(self._sysname)
return self._settings.get('includes', []) + self._settings.get(env_includes, [])
def cppflags(self):
env_cppflags = 'cppflags-{}'.format(self._sysname)
return self._settings.get('cppflags', []) + self._settings.get(env_cppflags, [])
def cflags(self):
env_cflags = 'cflags-{}'.format(self._sysname)
return self._settings.get('cflags', []) + self._settings.get(env_cflags, [])
def cxxflags(self):
env_cxxflags = 'cxxflags-{}'.format(self._sysname)
return self._settings.get('cxxflags', []) + self._settings.get(env_cxxflags, [])
def ldflags(self):
env_ldflags = 'ldflags-{}'.format(self._sysname)
return self._settings.get('ldflags', []) + self._settings.get(env_ldflags, [])
def sources(self):
env_sources = 'sources-{}'.format(self._sysname)
return self._settings['sources'] + self._settings.get(env_sources, [])
def objects(self):
files = self.sources()
return [self.build_env.src_to_obj(src_file) for src_file in files]
def libs(self):
platform_libs = []
env_libs = []
if self.build_env.platform.is_windows():
platform_libs = windows_libs
env_libs = self._settings.get('libs-{}'.format('windows'), [])
if self.build_env.platform.is_mingw():
platform_libs = mingw_windows_libs
env_libs += self._settings.get('libs-{}'.format('mingw'), [])
else:
env_libs += self._settings.get('libs-{}'.format(self._sysname), [])
return self._settings.get('libs', []) + platform_libs + env_libs
class StaticLibrary(BuildTarget):
def __init__(self, name, settings, build_env):
super().__init__(name, settings, build_env)
# Template names
if self.build_env.platform.is_msvc():
self.filename_tpl = msvc_name_tpls['stlib']
elif self.build_env.platform.is_mingw():
self.filename_tpl = mingw_name_tpls['stlib']
elif self.build_env.platform.is_darwin():
self.filename_tpl = darwin_name_tpls['stlib']
else:
self.filename_tpl = gnu_name_tpls['stlib']
self.prefix = self.filename_tpl['prefix']
self.suffix = self.filename_tpl['suffix']
def __str__(self):
return 'Static library {}'.format(self.name)
def filename(self):
return self.filename_tpl.get('fname', '').format(self)
class SharedLibrary(BuildTarget):
def __init__(self, name, settings, build_env):
super().__init__(name, settings, build_env)
self.soversion = None
self.ltversion = None
# Template names
if self.build_env.platform.is_msvc():
self.filename_tpl = msvc_name_tpls['shlib']
elif self.build_env.platform.is_mingw():
self.filename_tpl = mingw_name_tpls['shlib']
elif self.build_env.platform.is_darwin():
self.filename_tpl = darwin_name_tpls['shlib']
else:
self.filename_tpl = gnu_name_tpls['shlib']
self.prefix = self.filename_tpl['prefix']
self.suffix = self.filename_tpl['suffix']
# Shared library version
if 'version' in settings:
self.ltversion = settings['version']
if not isinstance(self.ltversion, str):
raise InvalidArguments('Shared library version needs to be a string, not ' + type(self.ltversion).__name__)
if not re.fullmatch(r'[0-9]+(\.[0-9]+){0,2}', self.ltversion):
raise InvalidArguments('Invalid Shared library version "{0}". Must be of the form X.Y.Z where all three are numbers. Y and Z are optional.'.format(self.ltversion))
# Try to extract/deduce the soversion
if 'soversion' in settings:
self.soversion = settings['soversion']
if isinstance(self.soversion, int):
self.soversion = str(self.soversion)
if not isinstance(self.soversion, str):
raise InvalidArguments('Shared library soversion is not a string or integer.')
elif self.ltversion:
# library version is defined, get the soversion from that
# We replicate what Autotools does here and take the first
# number of the version by default.
self.soversion = self.ltversion.split('.')[0]
def __str__(self):
return 'Shared library {}'.format(self.name)
def filename(self):
if self.build_env.platform.is_linux() and self.ltversion:
return self.filename_tpl.get('fname2', '').format(self)
elif self.soversion:
return self.filename_tpl.get('fname1', '').format(self)
return self.filename_tpl.get('fname0', '').format(self)
def implib(self):
return self.filename_tpl.get('import', '').format(self)
class Executable(BuildTarget):
def __init__(self, name, settings, build_env):
super().__init__(name, settings, build_env)
self.suffix = None
# Template names
if self.build_env.platform.is_msvc():
self.filename_tpl = msvc_name_tpls['exec']
elif self.build_env.platform.is_mingw():
self.filename_tpl = mingw_name_tpls['exec']
elif self.build_env.platform.is_darwin():
self.filename_tpl = darwin_name_tpls['exec']
else:
self.filename_tpl = gnu_name_tpls['exec']
def __str__(self):
return 'Executable {}'.format(self.name)
def filename(self):
return self.filename_tpl.get('fname', '').format(self)
#---------------------------------------------------------------------------------------------------
class BuildEnv:
def __init__(self, options, args, platform):
self.targets = {}
self.buildtype = options.buildtype
self.platform = platform
if options.host:
self.host = Platform(options.host)
else:
self.host = self.platform
self.build_dir = os.path.join(root_dir, args[0] if args[0] else 'build')
if not os.path.isdir(self.build_dir):
os.makedirs(self.build_dir)
self.bin_dir = os.path.join(self.build_dir, BIN_OUT_NAME)
self.lib_dir = os.path.join(self.build_dir, LIB_OUT_NAME)
self.CC = os.environ.get('CC', 'clang')
self.CXX = os.environ.get('CXX', 'clang++')
self.LD = self.CXX
self.AR = os.environ.get('AR', 'ar')
self.PYTHON = 'python3'
self.compiler = make_compiler('clang', self)
def __str__(self):
return '''
Build enviroment
Platform : {}
Host : {}
Build type : {}
Compiler : {}
Directories
Root : {}
Build : {}
Bin : {}
Lib : {}
'''.format(self.platform.platform(),
self.host.platform(),
self.buildtype,
self.compiler.name,
root_dir,
self.build_dir,
self.bin_dir,
self.lib_dir)
def is_debug_build(self):
return self.buildtype == 'debug'
def default_defines(self):
return self.compiler.defines
def default_cflags(self):
return list(set().union(CFLAGS, self.compiler.warnings, self.compiler.cflags))
def default_cxxflags(self):
return list(set().union(CXXFLAGS, self.compiler.warnings, self.compiler.cxxflags))
def default_ldflags(self):
return list(set().union(LDFLAGS, self.compiler.ldflags))
def format_obj_name(self, name):
return 'lib{}.o'.format(name)
def src_to_obj(self, filename):
obj_file = self.format_obj_name(os.path.splitext(filename)[0])
obj_file = obj_file.replace('/', '_').replace('\\', '_')
return '{}'.format(os.path.join(OBJ_OUT_NAME, obj_file))
def lib_to_native(self, libname):
# ex. 'boost_program_options' -> 'boost_program_options-vc140-mt-gd'
if libname.startswith('boost'):
if self.platform.is_msvc():
return '{}-vc140-mt{}'.format(libname, '-gd' if self.is_debug_build() else '')
else:
#return '{}-mt{}'.format(libname, '-gd' if self.is_debug_build() else '')
return '{}-mt'.format(libname)
return libname
def out_stlib(self, target):
return os.path.join(LIB_OUT_NAME, target.filename())
def out_shlib(self, target):
return os.path.join(BIN_OUT_NAME, target.filename())
def out_implib(self, target):
return os.path.join(LIB_OUT_NAME, target.implib())
def out_exec(self, target):
return os.path.join(BIN_OUT_NAME, target.filename())
def out_dep(self, target):
if isinstance(target, StaticLibrary):
return self.out_stlib(target)
elif isinstance(target, SharedLibrary):
return self.out_shlib(target)
return ''
def project_dep(self, libname):
t = self.targets[libname]
if isinstance(t, StaticLibrary):
return self.out_stlib(t)
return self.out_implib(t)
def build_flags(self, target):
includes = ['-I' + rel_to_dir(self.build_dir, dirname) for dirname in target.includes()]
flags = {
'defines' : '$gbl_defines ' + ' '.join(target.defines()),
'includes' : '$gbl_includes ' + ' '.join(includes),
'cppflags' : '$gbl_cppflags ' + ' '.join(target.cppflags()),
}
if target.tool() == 'cc':
flags['cflags'] = '$gbl_cflags ' + ' '.join(target.cflags())
if target.tool() == 'cxx':
flags['cxxflags'] = '$gbl_cxxflags ' + ' '.join(target.cxxflags())
return flags
def shlib_ldflags(self, target):
def fmt_lib(library):
return '-l{}'.format(self.lib_to_native(library))
args = {}
implib = self.out_implib(target)
args['ldflags'] = ['-shared'] + target.ldflags()
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
def exec_ldflags(self, target):
def fmt_lib(library):
return '-l{}'.format(self.lib_to_native(library))
args = {}
args['ldflags'] = target.ldflags()
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
def dependencies(self, target):
deps = []
for libname in target.libs():
if libname in self.targets:
deps += [self.out_dep(self.targets[libname])]
return deps
class DarwinBuildEnv(BuildEnv):
def __init__(self, options, args, platform):
super().__init__(options, args, platform)
def default_ldflags(self):
return list(set().union(LDFLAGS,
['-dead_strip_dylibs', '-headerpad_max_install_names'],
self.compiler.ldflags))
def project_dep(self, libname):
t = self.targets[libname]
if isinstance(t, StaticLibrary):
return self.out_stlib(t)
return self.out_shlib(t)
def shlib_ldflags(self, target):
def fmt_lib(library):
if library in self.targets:
return self.project_dep(library)
return '-l{}'.format(self.lib_to_native(library))
args = {}
implib = self.out_implib(target)
args['ldflags'] = ['-shared',
'-install_name @rpath/{}'.format(target.filename()),
'-compatibility_version 0',
'-current_version 0',
'-rpath {}'.format(self.lib_dir),
'-rpath {}'.format(self.bin_dir)]
args['ldflags'].extend(target.ldflags())
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
def exec_ldflags(self, target):
def fmt_lib(library):
if library in self.targets:
return self.project_dep(library)
return '-l{}'.format(self.lib_to_native(library))
args = {}
args['ldflags'] = ['-rpath {}'.format(self.lib_dir),
'-rpath {}'.format(self.bin_dir)]
args['ldflags'].extend(target.ldflags())
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
class MingwBuildEnv(BuildEnv):
def __init__(self, options, args, platform):
super().__init__(options, args, platform)
def shlib_ldflags(self, target):
def fmt_lib(library):
if library in self.targets:
return self.project_dep(library)
return '-l{}'.format(self.lib_to_native(library))
args = {}
implib = self.out_implib(target)
# Add linker flags
args['ldflags'] = ['-shared',
'-Wl,--no-undefined',
'-Wl,--as-needed',
'-Wl,--out-implib={}'.format(implib)] + target.ldflags()
# Add libs
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
def exec_ldflags(self, target):
def fmt_lib(library):
if library in self.targets:
return self.project_dep(library)
return '-l{}'.format(self.lib_to_native(library))
args = {}
# Add linker flags
args['ldflags'] = ['-Wl,--no-undefined', '-Wl,--as-needed'] + target.ldflags()
# Add libs
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
class MsvcBuildEnv(BuildEnv):
def __init__(self, options, args, platform):
super().__init__(options, args, platform)
self.CC = os.environ.get('CC', 'clang-cl.exe')
self.CXX = os.environ.get('CXX', 'clang-cl.exe')
self.LD = os.environ.get('LD', 'lld-link.exe')
self.AR = os.environ.get('AR', 'llvm-lib.exe')
self.PYTHON = 'py.exe'
self.compiler = make_compiler('clang-cl', self)
def default_ldflags(self):
return list(set().union(LDFLAGS, self.compiler.ldflags))
def format_obj_name(self, name):
return '{}.obj'.format(name)
def shlib_ldflags(self, target):
def fmt_lib(library):
if library in self.targets:
return self.project_dep(library)
return '{}.lib'.format(self.lib_to_native(library))
args = {}
implib = self.out_implib(target)
# Add linker flags
args['ldflags'] = ['/dll',
'/debug' if self.is_debug_build() else '',
'/implib:{}'.format(implib)] + \
target.ldflags()
# Add libs
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
def exec_ldflags(self, target):
def fmt_lib(library):
if library in self.targets:
return self.project_dep(library)
return '{}.lib'.format(library)
args = {}
# Add linker flags
args['ldflags'] = ['/debug'] if self.is_debug_build() else []
args['ldflags'].extend(target.ldflags())
# Add libs
args['libs'] = [fmt_lib(l) for l in target.libs()]
return args
def make_buildenv(options, args):
platform = Platform(options.platform)
if platform.is_darwin():
return DarwinBuildEnv(options, args, platform)
elif platform.is_msvc():
return MsvcBuildEnv(options, args, platform)
elif platform.is_mingw():
return MingwBuildEnv(options, args, platform)
else:
return BuildEnv(options, args, platform)
#---------------------------------------------------------------------------------------------------
def rel_to_dir(dir, src_file):
return os.path.relpath(os.path.join(root_dir, src_file), dir)
#---------------------------------------------------------------------------------------------------
def main(argv):
parser = OptionParser()
parser.add_option('-v', '--verbose', action='store_true',
help='enable verbose build')
parser.add_option('--platform',
help='target platform ({})'.format('/'.join(Platform.known_platforms())),
choices=Platform.known_platforms())
parser.add_option('--host',
help='host platform ({})'.format('/'.join(Platform.known_platforms())),
choices=Platform.known_platforms())
parser.add_option('--buildtype',
help='Build type to use (default: debug) ' + '/'.join(buildtypes),
choices=['debug', 'debugoptimized', 'release', 'minsize'],
default='debug')
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("Incorrect number of arguments, a build directory is needed!")
build_env = make_buildenv(options, args)
print(build_env)
static_libs = {}
shared_libs = {}
executables = {}
declare_build_targets(build_env.platform, static_libs, shared_libs, executables)
for name, settings in static_libs.items():
build_env.targets[name] = StaticLibrary(name, settings, build_env)
for name, settings in shared_libs.items():
build_env.targets[name] = SharedLibrary(name, settings, build_env)
for name, settings in executables.items():
build_env.targets[name] = Executable(name, settings, build_env)
write_ninja_file(build_env)
return 0
def write_ninja_file(build_env):
platform = build_env.platform
targets = build_env.targets
def rel_to_builddir(src_file):
return os.path.relpath(os.path.join(root_dir, src_file), build_env.build_dir)
n = ninja_syntax.Writer(open(os.path.join(build_env.build_dir, BUILD_FILENAME), 'w'), width=1000)
write_ninja_header(n, build_env)
n.comment('------------------------------------------------------------------------------')
n.comment('Variables')
n.comment('------------------------------------------------------------------------------')
n.variable('gbl_defines', build_env.default_defines())
n.variable('gbl_includes', '')
n.variable('gbl_cppflags', CPPFLAGS)
n.variable('gbl_cflags', build_env.default_cflags())
n.variable('gbl_cxxflags', build_env.default_cxxflags())
n.newline()
n.variable('gbl_libs', LIBFLAGS)
n.variable('gbl_ldflags', build_env.default_ldflags())
n.newline()
n.variable('cc', build_env.CC)
n.variable('cxx', build_env.CXX)
n.variable('ar', build_env.AR)
n.variable('ld', build_env.LD)
n.variable('python', build_env.PYTHON)
n.newline()
write_ninja_rules(n, build_env)
all_targets = []
for name, target in targets.items():
n.comment('------------------------------------------------------------------------------')
n.comment('Building {}'.format(target))
n.comment('------------------------------------------------------------------------------')
for src_file in target.sources():
flags = build_env.build_flags(target)
n.build(build_env.src_to_obj(src_file), target.tool(), rel_to_builddir(src_file), variables=flags)
n.newline()
if isinstance(target, StaticLibrary):
all_targets += n.build(build_env.out_stlib(target), 'ar', target.objects())
elif isinstance(target, SharedLibrary):
all_targets += n.build(build_env.out_shlib(target),
'link',
target.objects(),
implicit=build_env.dependencies(target),
variables=build_env.shlib_ldflags(target))
elif isinstance(target, Executable):
all_targets += n.build(build_env.out_exec(target),
'link',
target.objects(),
implicit=build_env.dependencies(target),
variables=build_env.exec_ldflags(target))
n.newline()
n.comment('------------------------------------------------------------------------------')
n.comment('Clean all files')
n.comment('------------------------------------------------------------------------------')
n.build('clean', 'CUSTOM_COMMAND', variables={'cmd' : 'ninja -t clean',
'desc' : 'Cleaning....'})
n.newline()
n.comment('------------------------------------------------------------------------------')
n.comment('Print all primary targets')
n.comment('------------------------------------------------------------------------------')
n.build('targets', 'CUSTOM_COMMAND', variables={'cmd' : 'ninja -t targets depth 2',
'desc' : 'All primary targets:'})
n.newline()
n.comment('------------------------------------------------------------------------------')
n.comment('Build All')
n.comment('------------------------------------------------------------------------------')
n.build('all', 'phony', all_targets)
n.newline()
n.default('all')
n.newline()
n.comment('------------------------------------------------------------------------------')
n.comment('Regenerate configure.py')
n.comment('------------------------------------------------------------------------------')
n.build('build.ninja', 'REGENERATE_BUILD', '../configure.py', variables={'pool': 'console'})
n.close()
def write_ninja_header(n, build_env):
n.comment('------------------------------------------------------------------------------')
n.comment('Project build file.')
n.comment('It is generated by ' + os.path.basename(__file__) + '.')
n.comment('------------------------------------------------------------------------------')
n.newline()
n.comment('------------------------------------------------------------------------------')
n.comment('Minimal version of Ninja required by this file')
n.comment('------------------------------------------------------------------------------')
n.variable('ninja_required_version', '1.6')
n.newline()
n.comment('------------------------------------------------------------------------------')
n.comment('Configuration: {}'.format(build_env.buildtype))
n.comment('Platform: {}'.format(build_env.platform.platform()))
n.comment('------------------------------------------------------------------------------')
n.newline()
def write_ninja_rules(n, build_env):
platform = build_env.platform
n.comment('------------------------------------------------------------------------------')
n.comment('Core rules')
n.comment('------------------------------------------------------------------------------')
n.newline()
if platform.is_msvc():
n.rule('cc',
command='$cc /showIncludes $defines $includes $cflags -c -o $out $in',
deps='msvc',
description='CC $out')
n.newline()
n.rule('cxx',
command='$cxx /showIncludes $defines $includes $cxxflags -c -o $out $in',
deps='msvc',
description='CXX $out')
n.newline()
n.rule('ar',
command='$ar $in /nologo -OUT:$out',
description='AR $out')
n.newline()
n.rule('link',
command='$ld /out:$out $ldflags $libs $in',
description='LINK $out')
n.newline()
elif platform.is_darwin():
n.rule('cc',
command='$cc -MMD -MF $out.d $defines $includes $cflags -c $in -o $out',
depfile='$out.d',
deps='gcc',
description='CC $out')
n.newline()
n.rule('cxx',
command='$cxx -MMD -MF $out.d $defines $includes $cxxflags -c $in -o $out',
depfile='$out.d',
deps='gcc',
description='CXX $out')
n.newline()
n.rule('ar',
command='rm -f $out && libtool -static -o $out $in',
description='AR $out')
n.newline()
n.rule('link',
command='$ld $ldflags -o $out $in $solibs $libs',
description='LINK $out')
n.newline()
else:
n.rule('cc',
command='$cc -MMD -MF $out.d $defines $includes $cflags -c $in -o $out',