diff options
Diffstat (limited to 'configure.py')
| -rwxr-xr-x | configure.py | 265 |
1 files changed, 210 insertions, 55 deletions
diff --git a/configure.py b/configure.py index 64123a0..aac4ad4 100755 --- a/configure.py +++ b/configure.py @@ -23,29 +23,170 @@ from __future__ import print_function from optparse import OptionParser import os +import pipes +import string +import subprocess import sys -import platform_helper -sys.path.insert(0, 'misc') +sys.path.insert(0, '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' + + @staticmethod + def known_platforms(): + return ['linux', 'darwin', 'freebsd', 'openbsd', 'solaris', 'sunos5', + 'mingw', 'msvc', 'gnukfreebsd', 'bitrig', 'netbsd'] + + 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', '/?'], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + out, err = popen.communicate() + return '/FS ' in str(out) + + def is_windows(self): + return self.is_mingw() or self.is_msvc() + + def is_solaris(self): + return self._platform == 'solaris' + + def uses_usr_local(self): + return self._platform in ('freebsd', 'openbsd', 'bitrig') + + def supports_ppoll(self): + return self._platform in ('linux', 'openbsd', 'bitrig') + + def supports_ninja_browse(self): + return not self.is_windows() and not self.is_solaris() + + +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): + self.writer = writer + # 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): + self.vars[key] = self._expand(val) + 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._expand, paths)) + + def _expand(self, str, local_vars={}): + """Expand $vars in a string.""" + return ninja_syntax.expand(str, self.vars, local_vars) + + def _run_command(self, cmdline): + """Run a subcommand, quietly. Prints the full command on error.""" + try: + subprocess.check_call(cmdline, shell=True) + except subprocess.CalledProcessError, e: + 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('--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', choices=profilers, help='enable profiling (' + '/'.join(profilers) + ')',) -parser.add_option('--with-gtest', metavar='PATH', - help='use gtest unpacked in directory PATH') +parser.add_option('--with-gtest', metavar='PATH', help='ignored') parser.add_option('--with-python', metavar='EXE', help='use EXE as the Python interpreter', default=os.path.basename(sys.executable)) @@ -57,15 +198,27 @@ if args: 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) + n.comment('This file is used to build ninja itself.') n.comment('It is generated by ' + os.path.basename(__file__) + '.') n.newline() @@ -74,11 +227,15 @@ n.variable('ninja_required_version', '1.3') n.newline() n.comment('The arguments passed to configure.py, for rerunning it.') -n.variable('configure_args', ' '.join(sys.argv[1:])) +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', '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 + '=' + configure_env[k] for k in configure_env]) + config_str = ' '.join([k + '=' + pipes.quote(configure_env[k]) + for k in configure_env]) n.variable('configure_env', config_str + '$ ') n.newline() @@ -113,7 +270,8 @@ else: 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. @@ -128,6 +286,10 @@ if platform.is_msvc(): '/DNOMINMAX', '/D_CRT_SECURE_NO_WARNINGS', '/D_VARIADIC_MAX=10', '/DNINJA_PYTHON="%s"' % options.with_python] + if options.bootstrap: + # In bootstrap mode, we have no ninja process to catch /showIncludes + # output. + cflags.remove('/showIncludes') if platform.msvc_needs_fs(): cflags.append('/FS') ldflags = ['/DEBUG', '/libpath:$builddir'] @@ -153,12 +315,16 @@ else: if platform.is_mingw(): cflags += ['-D_WIN32_WINNT=0x0501'] ldflags = ['-L$builddir'] + if platform.uses_usr_local(): + cflags.append('-I/usr/local/include') + ldflags.append('-L/usr/local/lib') + 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_msvc(): pass @@ -170,9 +336,10 @@ else: 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') +if platform.supports_ninja_browse(): + cflags.append('-DNINJA_HAVE_BROWSE') def shell_escape(str): """Escape str such that it's interpreted as a single argument by @@ -195,9 +362,10 @@ n.newline() if platform.is_msvc(): n.rule('cxx', - command='$cxx /showIncludes $cflags -c $in /Fo$out', + command='$cxx $cflags -c $in /Fo$out', 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', @@ -232,7 +400,7 @@ n.newline() objs = [] -if not platform.is_windows() and not platform.is_solaris(): +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 > $out', @@ -247,7 +415,6 @@ if not platform.is_windows() and not platform.is_solaris(): n.comment('the depfile parser and ninja lexers are generated using re2c.') def has_re2c(): - import subprocess try: proc = subprocess.Popen(['re2c', '-V'], stdout=subprocess.PIPE) return int(proc.communicate()[0], 10) >= 1103 @@ -316,37 +483,16 @@ ninja = n.build(binary('ninja'), 'link', objs, implicit=ninja_lib, n.newline() all_targets += ninja +if options.bootstrap: + # We've built the ninja binary. Don't run any more commands + # through the bootstrap executor, but continue writing the + # build.ninja file. + n = ninja_writer + n.comment('Tests all build into ninja_test executable.') -variables = [] -test_cflags = cflags + ['-DGTEST_HAS_RTTI=0'] -test_ldflags = None -test_libs = libs objs = [] -if options.with_gtest: - path = options.with_gtest - gtest_all_incs = '-I%s -I%s' % (path, os.path.join(path, 'include')) - if platform.is_msvc(): - gtest_cflags = '/nologo /EHsc /Zi /D_VARIADIC_MAX=10 ' - if platform.msvc_needs_fs(): - gtest_cflags += '/FS ' - gtest_cflags += gtest_all_incs - else: - gtest_cflags = '-fvisibility=hidden ' + gtest_all_incs - objs += n.build(built('gtest-all' + objext), 'cxx', - os.path.join(path, 'src', 'gtest-all.cc'), - variables=[('cflags', gtest_cflags)]) - - test_cflags.append('-I%s' % os.path.join(path, 'include')) -else: - # Use gtest from system. - if platform.is_msvc(): - test_libs.extend(['gtest_main.lib', 'gtest.lib']) - else: - test_libs.extend(['-lgtest_main', '-lgtest']) - -n.variable('test_cflags', test_cflags) for name in ['build_log_test', 'build_test', 'clean_test', @@ -362,16 +508,13 @@ for name in ['build_log_test', 'subprocess_test', 'test', 'util_test']: - objs += cxx(name, variables=[('cflags', '$test_cflags')]) + objs += cxx(name) if platform.is_windows(): for name in ['includes_normalize_test', 'msvc_helper_test']: - objs += cxx(name, variables=[('cflags', '$test_cflags')]) + objs += cxx(name) -if not platform.is_windows(): - test_libs.append('-lpthread') ninja_test = n.build(binary('ninja_test'), 'link', objs, implicit=ninja_lib, - variables=[('ldflags', test_ldflags), - ('libs', test_libs)]) + variables=[('libs', libs)]) n.newline() all_targets += ninja_test @@ -456,4 +599,16 @@ if host.is_linux(): n.build('all', 'phony', all_targets) +n.close() print('wrote %s.' % BUILD_FILENAME) + +if options.bootstrap: + print('bootstrap complete. rebuilding...') + if platform.is_windows(): + bootstrap_exe = 'ninja.bootstrap.exe' + if os.path.exists(bootstrap_exe): + os.unlink(bootstrap_exe) + os.rename('ninja.exe', bootstrap_exe) + subprocess.check_call('ninja.bootstrap.exe', shell=True) + else: + subprocess.check_call('./ninja', shell=True) |