from optparse import OptionParser
import os
import pipes
+import string
+import subprocess
import sys
-import platform_helper
-sys.path.insert(0, 'misc')
+sourcedir = os.path.dirname(os.path.realpath(__file__))
+sys.path.insert(0, os.path.join(sourcedir, 'misc'))
import ninja_syntax
+
+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('gnukfreebsd'):
+ self._platform = 'freebsd'
+ elif self._platform.startswith('openbsd'):
+ self._platform = 'openbsd'
+ elif self._platform.startswith('solaris') or self._platform == 'sunos5':
+ self._platform = 'solaris'
+ elif self._platform.startswith('mingw'):
+ self._platform = 'mingw'
+ elif self._platform.startswith('win'):
+ self._platform = 'msvc'
+ elif self._platform.startswith('bitrig'):
+ self._platform = 'bitrig'
+ elif self._platform.startswith('netbsd'):
+ self._platform = 'netbsd'
+ elif self._platform.startswith('aix'):
+ self._platform = 'aix'
+ elif self._platform.startswith('os400'):
+ self._platform = 'os400'
+ elif self._platform.startswith('dragonfly'):
+ self._platform = 'dragonfly'
+
+ @staticmethod
+ def known_platforms():
+ return ['linux', 'darwin', 'freebsd', 'openbsd', 'solaris', 'sunos5',
+ 'mingw', 'msvc', 'gnukfreebsd', 'bitrig', 'netbsd', 'aix',
+ 'dragonfly']
+
+ def platform(self):
+ return self._platform
+
+ 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 msvc_needs_fs(self):
+ popen = subprocess.Popen(['cl', '/nologo', '/help'],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ out, err = popen.communicate()
+ return b'/FS' in out
+
+ def is_windows(self):
+ return self.is_mingw() or self.is_msvc()
+
+ def is_solaris(self):
+ return self._platform == 'solaris'
+
+ def is_aix(self):
+ return self._platform == 'aix'
+
+ def is_os400_pase(self):
+ return self._platform == 'os400' or os.uname().sysname.startswith('OS400')
+
+ def uses_usr_local(self):
+ return self._platform in ('freebsd', 'openbsd', 'bitrig', 'dragonfly', 'netbsd')
+
+ def supports_ppoll(self):
+ return self._platform in ('freebsd', 'linux', 'openbsd', 'bitrig',
+ 'dragonfly')
+
+ def supports_ninja_browse(self):
+ return (not self.is_windows()
+ and not self.is_solaris()
+ and not self.is_aix())
+
+ def can_rebuild_in_place(self):
+ return not (self.is_windows() or self.is_aix())
+
+class Bootstrap:
+ """API shim for ninja_syntax.Writer that instead runs the commands.
+
+ Used to bootstrap Ninja from scratch. In --bootstrap mode this
+ class is used to execute all the commands to build an executable.
+ It also proxies all calls to an underlying ninja_syntax.Writer, to
+ behave like non-bootstrap mode.
+ """
+ def __init__(self, writer, verbose=False):
+ self.writer = writer
+ self.verbose = verbose
+ # Map of variable name => expanded variable value.
+ self.vars = {}
+ # Map of rule name => dict of rule attributes.
+ self.rules = {
+ 'phony': {}
+ }
+
+ def comment(self, text):
+ return self.writer.comment(text)
+
+ def newline(self):
+ return self.writer.newline()
+
+ def variable(self, key, val):
+ # In bootstrap mode, we have no ninja process to catch /showIncludes
+ # output.
+ self.vars[key] = self._expand(val).replace('/showIncludes', '')
+ return self.writer.variable(key, val)
+
+ def rule(self, name, **kwargs):
+ self.rules[name] = kwargs
+ return self.writer.rule(name, **kwargs)
+
+ def build(self, outputs, rule, inputs=None, **kwargs):
+ ruleattr = self.rules[rule]
+ cmd = ruleattr.get('command')
+ if cmd is None: # A phony rule, for example.
+ return
+
+ # Implement just enough of Ninja variable expansion etc. to
+ # make the bootstrap build work.
+ local_vars = {
+ 'in': self._expand_paths(inputs),
+ 'out': self._expand_paths(outputs)
+ }
+ for key, val in kwargs.get('variables', []):
+ local_vars[key] = ' '.join(ninja_syntax.as_list(val))
+
+ self._run_command(self._expand(cmd, local_vars))
+
+ return self.writer.build(outputs, rule, inputs, **kwargs)
+
+ def default(self, paths):
+ return self.writer.default(paths)
+
+ def _expand_paths(self, paths):
+ """Expand $vars in an array of paths, e.g. from a 'build' block."""
+ paths = ninja_syntax.as_list(paths)
+ return ' '.join(map(self._shell_escape, (map(self._expand, paths))))
+
+ def _expand(self, str, local_vars={}):
+ """Expand $vars in a string."""
+ return ninja_syntax.expand(str, self.vars, local_vars)
+
+ def _shell_escape(self, path):
+ """Quote paths containing spaces."""
+ return '"%s"' % path if ' ' in path else path
+
+ def _run_command(self, cmdline):
+ """Run a subcommand, quietly. Prints the full command on error."""
+ try:
+ if self.verbose:
+ print(cmdline)
+ subprocess.check_call(cmdline, shell=True)
+ except subprocess.CalledProcessError:
+ print('when running: ', cmdline)
+ raise
+
+
parser = OptionParser()
profilers = ['gmon', 'pprof']
+parser.add_option('--bootstrap', action='store_true',
+ help='bootstrap a ninja binary from nothing')
+parser.add_option('--verbose', action='store_true',
+ help='enable verbose build')
parser.add_option('--platform',
help='target platform (' +
- '/'.join(platform_helper.platforms()) + ')',
- choices=platform_helper.platforms())
+ '/'.join(Platform.known_platforms()) + ')',
+ choices=Platform.known_platforms())
parser.add_option('--host',
help='host platform (' +
- '/'.join(platform_helper.platforms()) + ')',
- choices=platform_helper.platforms())
+ '/'.join(Platform.known_platforms()) + ')',
+ choices=Platform.known_platforms())
parser.add_option('--debug', action='store_true',
help='enable debugging extras',)
parser.add_option('--profile', metavar='TYPE',
print('ERROR: extra unparsed command-line arguments:', args)
sys.exit(1)
-platform = platform_helper.Platform(options.platform)
+platform = Platform(options.platform)
if options.host:
- host = platform_helper.Platform(options.host)
+ host = Platform(options.host)
else:
host = platform
BUILD_FILENAME = 'build.ninja'
-buildfile = open(BUILD_FILENAME, 'w')
-n = ninja_syntax.Writer(buildfile)
+ninja_writer = ninja_syntax.Writer(open(BUILD_FILENAME, 'w'))
+n = ninja_writer
+
+if options.bootstrap:
+ # Make the build directory.
+ try:
+ os.mkdir('build')
+ except OSError:
+ pass
+ # Wrap ninja_writer with the Bootstrapper, which also executes the
+ # commands.
+ print('bootstrapping ninja...')
+ n = Bootstrap(n, verbose=options.verbose)
+
n.comment('This file is used to build ninja itself.')
n.comment('It is generated by ' + os.path.basename(__file__) + '.')
n.newline()
n.newline()
n.comment('The arguments passed to configure.py, for rerunning it.')
-n.variable('configure_args', ' '.join(sys.argv[1:]))
-env_keys = set(['CXX', 'AR', 'CFLAGS', 'LDFLAGS'])
+configure_args = sys.argv[1:]
+if '--bootstrap' in configure_args:
+ configure_args.remove('--bootstrap')
+n.variable('configure_args', ' '.join(configure_args))
+env_keys = set(['CXX', 'AR', 'CFLAGS', 'CXXFLAGS', 'LDFLAGS'])
configure_env = dict((k, os.environ[k]) for k in os.environ if k in env_keys)
if configure_env:
config_str = ' '.join([k + '=' + pipes.quote(configure_env[k])
n.variable('configure_env', config_str + '$ ')
n.newline()
-CXX = configure_env.get('CXX', 'g++')
+CXX = configure_env.get('CXX', 'c++')
objext = '.o'
if platform.is_msvc():
CXX = 'cl'
objext = '.obj'
def src(filename):
- return os.path.join('src', filename)
+ return os.path.join('$root', 'src', filename)
def built(filename):
return os.path.join('$builddir', filename)
def doc(filename):
- return os.path.join('doc', filename)
+ return os.path.join('$root', 'doc', filename)
def cc(name, **kwargs):
return n.build(built(name + objext), 'cxx', src(name + '.c'), **kwargs)
def cxx(name, **kwargs):
return exe
return name
+root = sourcedir
+if root == os.getcwd():
+ # In the common case where we're building directly in the source
+ # tree, simplify all the paths to just be cwd-relative.
+ root = '.'
+n.variable('root', root)
n.variable('builddir', 'build')
n.variable('cxx', CXX)
if platform.is_msvc():
n.variable('ar', configure_env.get('AR', 'ar'))
if platform.is_msvc():
- cflags = ['/nologo', # Don't print startup banner.
+ cflags = ['/showIncludes',
+ '/nologo', # Don't print startup banner.
'/Zi', # Create pdb with debug info.
'/W4', # Highest warning level.
'/WX', # Warnings as errors.
- '/wd4530', '/wd4100', '/wd4706',
+ '/wd4530', '/wd4100', '/wd4706', '/wd4244',
'/wd4512', '/wd4800', '/wd4702', '/wd4819',
+ # Disable warnings about constant conditional expressions.
+ '/wd4127',
# Disable warnings about passing "this" during initialization.
'/wd4355',
+ # Disable warnings about ignored typedef in DbgHelp.h
+ '/wd4091',
'/GR-', # Disable RTTI.
# Disable size_t -> int truncation warning.
# We never have strings or arrays larger than 2**31.
'/wd4267',
'/DNOMINMAX', '/D_CRT_SECURE_NO_WARNINGS',
- '/D_VARIADIC_MAX=10',
+ '/D_HAS_EXCEPTIONS=0',
'/DNINJA_PYTHON="%s"' % options.with_python]
if platform.msvc_needs_fs():
cflags.append('/FS')
else:
cflags = ['-g', '-Wall', '-Wextra',
'-Wno-deprecated',
+ '-Wno-missing-field-initializers',
'-Wno-unused-parameter',
'-fno-rtti',
'-fno-exceptions',
'-fvisibility=hidden', '-pipe',
- '-Wno-missing-field-initializers',
'-DNINJA_PYTHON="%s"' % options.with_python]
if options.debug:
cflags += ['-D_GLIBCXX_DEBUG', '-D_GLIBCXX_DEBUG_PEDANTIC']
cflags.remove('-fno-rtti') # Needed for above pedanticness.
else:
cflags += ['-O2', '-DNDEBUG']
- if 'clang' in os.path.basename(CXX):
- cflags += ['-fcolor-diagnostics']
+ try:
+ proc = subprocess.Popen(
+ [CXX, '-fdiagnostics-color', '-c', '-x', 'c++', '/dev/null',
+ '-o', '/dev/null'],
+ stdout=open(os.devnull, 'wb'), stderr=subprocess.STDOUT)
+ if proc.wait() == 0:
+ cflags += ['-fdiagnostics-color']
+ except:
+ pass
if platform.is_mingw():
- cflags += ['-D_WIN32_WINNT=0x0501']
+ cflags += ['-D_WIN32_WINNT=0x0601', '-D__USE_MINGW_ANSI_STDIO=1']
ldflags = ['-L$builddir']
+ if platform.uses_usr_local():
+ cflags.append('-I/usr/local/include')
+ ldflags.append('-L/usr/local/lib')
+ if platform.is_aix():
+ # printf formats for int64_t, uint64_t; large file support
+ cflags.append('-D__STDC_FORMAT_MACROS')
+ cflags.append('-D_LARGE_FILES')
+
+
libs = []
if platform.is_mingw():
cflags.remove('-fvisibility=hidden');
ldflags.append('-static')
-elif platform.is_sunos5():
+elif platform.is_solaris():
+ cflags.remove('-fvisibility=hidden')
+elif platform.is_aix():
cflags.remove('-fvisibility=hidden')
elif platform.is_msvc():
pass
cflags.append('-fno-omit-frame-pointer')
libs.extend(['-Wl,--no-as-needed', '-lprofiler'])
-if (platform.is_linux() or platform.is_openbsd() or platform.is_bitrig()) and \
- not options.force_pselect:
+if platform.supports_ppoll() and not options.force_pselect:
cflags.append('-DUSE_PPOLL')
-
-have_browse = not platform.is_windows() and not platform.is_solaris()
-if have_browse:
+if platform.supports_ninja_browse():
cflags.append('-DNINJA_HAVE_BROWSE')
+# Search for generated headers relative to build dir.
+cflags.append('-I.')
+
def shell_escape(str):
"""Escape str such that it's interpreted as a single argument by
the shell."""
if 'CFLAGS' in configure_env:
cflags.append(configure_env['CFLAGS'])
+ ldflags.append(configure_env['CFLAGS'])
+if 'CXXFLAGS' in configure_env:
+ cflags.append(configure_env['CXXFLAGS'])
+ ldflags.append(configure_env['CXXFLAGS'])
n.variable('cflags', ' '.join(shell_escape(flag) for flag in cflags))
if 'LDFLAGS' in configure_env:
ldflags.append(configure_env['LDFLAGS'])
if platform.is_msvc():
n.rule('cxx',
- command='$cxx /showIncludes $cflags -c $in /Fo$out',
+ command='$cxx $cflags -c $in /Fo$out /Fd' + built('$pdb'),
description='CXX $out',
- deps='msvc')
+ deps='msvc' # /showIncludes is included in $cflags.
+ )
else:
n.rule('cxx',
command='$cxx -MMD -MT $out -MF $out.d $cflags -c $in -o $out',
description='LIB $out')
elif host.is_mingw():
n.rule('ar',
- command='cmd /c $ar cqs $out.tmp $in && move /Y $out.tmp $out',
+ command='$ar crs $out $in',
description='AR $out')
else:
n.rule('ar',
objs = []
-if have_browse:
+if platform.supports_ninja_browse():
n.comment('browse_py.h is used to inline browse.py.')
n.rule('inline',
- command='src/inline.sh $varname < $in > $out',
+ command='"%s"' % src('inline.sh') + ' $varname < $in > $out',
description='INLINE $out')
n.build(built('browse_py.h'), 'inline', src('browse.py'),
- implicit='src/inline.sh',
+ implicit=src('inline.sh'),
variables=[('varname', 'kBrowsePy')])
n.newline()
n.comment('the depfile parser and ninja lexers are generated using re2c.')
def has_re2c():
- import subprocess
try:
proc = subprocess.Popen(['re2c', '-V'], stdout=subprocess.PIPE)
return int(proc.communicate()[0], 10) >= 1103
return False
if has_re2c():
n.rule('re2c',
- command='re2c -b -i --no-generation-date -o $out $in',
+ command='re2c -b -i --no-generation-date --no-version -o $out $in',
description='RE2C $out')
# Generate the .cc files in the source directory so we can check them in.
n.build(src('depfile_parser.cc'), 're2c', src('depfile_parser.in.cc'))
n.newline()
n.comment('Core source files all build into ninja library.')
+cxxvariables = []
+if platform.is_msvc():
+ cxxvariables = [('pdb', 'ninja.pdb')]
for name in ['build',
'build_log',
'clean',
+ 'clparser',
'debug_flags',
'depfile_parser',
'deps_log',
'disk_interface',
+ 'dyndep',
+ 'dyndep_parser',
'edit_distance',
'eval_env',
'graph',
'graphviz',
+ 'json',
'lexer',
'line_printer',
'manifest_parser',
'metrics',
+ 'missing_deps',
+ 'parser',
'state',
+ 'status',
+ 'string_piece_util',
'util',
'version']:
- objs += cxx(name)
+ objs += cxx(name, variables=cxxvariables)
if platform.is_windows():
for name in ['subprocess-win32',
'includes_normalize-win32',
'msvc_helper-win32',
'msvc_helper_main-win32']:
- objs += cxx(name)
+ objs += cxx(name, variables=cxxvariables)
if platform.is_msvc():
- objs += cxx('minidump-win32')
+ objs += cxx('minidump-win32', variables=cxxvariables)
objs += cc('getopt')
else:
objs += cxx('subprocess-posix')
+if platform.is_aix():
+ objs += cc('getopt')
if platform.is_msvc():
ninja_lib = n.build(built('ninja.lib'), 'ar', objs)
else:
else:
libs.append('-lninja')
+if platform.is_aix() and not platform.is_os400_pase():
+ libs.append('-lperfstat')
+
all_targets = []
n.comment('Main executable is library plus main() function.')
-objs = cxx('ninja')
+objs = cxx('ninja', variables=cxxvariables)
ninja = n.build(binary('ninja'), 'link', objs, implicit=ninja_lib,
variables=[('libs', libs)])
n.newline()
all_targets += ninja
+if options.bootstrap:
+ # We've built the ninja binary. Don't run any more commands
+ # through the bootstrap executor, but continue writing the
+ # build.ninja file.
+ n = ninja_writer
+
n.comment('Tests all build into ninja_test executable.')
-test_libs = libs
objs = []
+if platform.is_msvc():
+ cxxvariables = [('pdb', 'ninja_test.pdb')]
for name in ['build_log_test',
'build_test',
'clean_test',
+ 'clparser_test',
'depfile_parser_test',
'deps_log_test',
+ 'dyndep_parser_test',
'disk_interface_test',
'edit_distance_test',
'graph_test',
+ 'json_test',
'lexer_test',
'manifest_parser_test',
+ 'missing_deps_test',
'ninja_test',
'state_test',
+ 'status_test',
+ 'string_piece_util_test',
'subprocess_test',
'test',
'util_test']:
- objs += cxx(name)
+ objs += cxx(name, variables=cxxvariables)
if platform.is_windows():
for name in ['includes_normalize_test', 'msvc_helper_test']:
- objs += cxx(name)
+ objs += cxx(name, variables=cxxvariables)
-if not platform.is_windows():
- test_libs.append('-lpthread')
ninja_test = n.build(binary('ninja_test'), 'link', objs, implicit=ninja_lib,
- variables=[('libs', test_libs)])
+ variables=[('libs', libs)])
n.newline()
all_targets += ninja_test
n.comment('Ancillary executables.')
-objs = cxx('build_log_perftest')
-all_targets += n.build(binary('build_log_perftest'), 'link', objs,
- implicit=ninja_lib, variables=[('libs', libs)])
-objs = cxx('canon_perftest')
-all_targets += n.build(binary('canon_perftest'), 'link', objs,
- implicit=ninja_lib, variables=[('libs', libs)])
-objs = cxx('depfile_parser_perftest')
-all_targets += n.build(binary('depfile_parser_perftest'), 'link', objs,
- implicit=ninja_lib, variables=[('libs', libs)])
-objs = cxx('hash_collision_bench')
-all_targets += n.build(binary('hash_collision_bench'), 'link', objs,
- implicit=ninja_lib, variables=[('libs', libs)])
-objs = cxx('manifest_parser_perftest')
-all_targets += n.build(binary('manifest_parser_perftest'), 'link', objs,
- implicit=ninja_lib, variables=[('libs', libs)])
+
+if platform.is_aix() and '-maix64' not in ldflags:
+ # Both hash_collision_bench and manifest_parser_perftest require more
+ # memory than will fit in the standard 32-bit AIX shared stack/heap (256M)
+ libs.append('-Wl,-bmaxdata:0x80000000')
+
+for name in ['build_log_perftest',
+ 'canon_perftest',
+ 'depfile_parser_perftest',
+ 'hash_collision_bench',
+ 'manifest_parser_perftest',
+ 'clparser_perftest']:
+ if platform.is_msvc():
+ cxxvariables = [('pdb', name + '.pdb')]
+ objs = cxx(name, variables=cxxvariables)
+ all_targets += n.build(binary(name), 'link', objs,
+ implicit=ninja_lib, variables=[('libs', libs)])
+
n.newline()
n.comment('Generate a graph using the "graph" tool.')
n.rule('xsltproc',
command='xsltproc --nonet doc/docbook.xsl $in > $out',
description='XSLTPROC $out')
-xml = n.build(built('manual.xml'), 'asciidoc', doc('manual.asciidoc'))
-manual = n.build(doc('manual.html'), 'xsltproc', xml,
- implicit=doc('style.css'))
+docbookxml = n.build(built('manual.xml'), 'asciidoc', doc('manual.asciidoc'))
+manual = n.build(doc('manual.html'), 'xsltproc', docbookxml,
+ implicit=[doc('style.css'), doc('docbook.xsl')])
n.build('manual', 'phony',
order_only=manual)
n.newline()
+n.rule('dblatex',
+ command='dblatex -q -o $out -p doc/dblatex.xsl $in',
+ description='DBLATEX $out')
+n.build(doc('manual.pdf'), 'dblatex', docbookxml,
+ implicit=[doc('dblatex.xsl')])
+
n.comment('Generate Doxygen.')
n.rule('doxygen',
command='doxygen $in',
command='$doxygen_mainpage_generator $in > $out',
description='DOXYGEN_MAINPAGE $out')
mainpage = n.build(built('doxygen_mainpage'), 'doxygen_mainpage',
- ['README', 'COPYING'],
+ ['README.md', 'COPYING'],
implicit=['$doxygen_mainpage_generator'])
n.build('doxygen', 'doxygen', doc('doxygen.config'),
implicit=mainpage)
if not host.is_mingw():
n.comment('Regenerate build files if build script changes.')
n.rule('configure',
- command='${configure_env}%s configure.py $configure_args' %
+ command='${configure_env}%s $root/configure.py $configure_args' %
options.with_python,
generator=True)
n.build('build.ninja', 'configure',
- implicit=['configure.py', os.path.normpath('misc/ninja_syntax.py')])
+ implicit=['$root/configure.py',
+ os.path.normpath('$root/misc/ninja_syntax.py')])
n.newline()
n.default(ninja)
n.build('all', 'phony', all_targets)
+n.close()
print('wrote %s.' % BUILD_FILENAME)
+
+if options.bootstrap:
+ print('bootstrap complete. rebuilding...')
+
+ rebuild_args = []
+
+ if platform.can_rebuild_in_place():
+ rebuild_args.append('./ninja')
+ else:
+ if platform.is_windows():
+ bootstrap_exe = 'ninja.bootstrap.exe'
+ final_exe = 'ninja.exe'
+ else:
+ bootstrap_exe = './ninja.bootstrap'
+ final_exe = './ninja'
+
+ if os.path.exists(bootstrap_exe):
+ os.unlink(bootstrap_exe)
+ os.rename(final_exe, bootstrap_exe)
+
+ rebuild_args.append(bootstrap_exe)
+
+ if options.verbose:
+ rebuild_args.append('-v')
+
+ subprocess.check_call(rebuild_args)