| #!/usr/bin/env python |
| # |
| # Copyright 2001 Google Inc. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """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 __future__ import print_function |
| |
| from optparse import OptionParser |
| import os |
| import sys |
| import platform_helper |
| sys.path.insert(0, 'misc') |
| |
| import ninja_syntax |
| |
| parser = OptionParser() |
| profilers = ['gmon', 'pprof'] |
| parser.add_option('--platform', |
| help='target platform (' + '/'.join(platform_helper.platforms()) + ')', |
| choices=platform_helper.platforms()) |
| parser.add_option('--host', |
| help='host platform (' + '/'.join(platform_helper.platforms()) + ')', |
| choices=platform_helper.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-python', metavar='EXE', |
| help='use EXE as the Python interpreter', |
| default=os.path.basename(sys.executable)) |
| parser.add_option('--force-pselect', action='store_true', |
| help="ppoll() is used by default where available, but some platforms may need to use pselect instead",) |
| (options, args) = parser.parse_args() |
| if args: |
| print('ERROR: extra unparsed command-line arguments:', args) |
| sys.exit(1) |
| |
| platform = platform_helper.Platform(options.platform) |
| if options.host: |
| host = platform_helper.Platform(options.host) |
| else: |
| host = platform |
| |
| BUILD_FILENAME = 'build.ninja' |
| buildfile = open(BUILD_FILENAME, 'w') |
| n = ninja_syntax.Writer(buildfile) |
| n.comment('This file is used to build ninja itself.') |
| n.comment('It is generated by ' + os.path.basename(__file__) + '.') |
| n.newline() |
| |
| 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:])) |
| 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]) |
| n.variable('configure_env', config_str + '$ ') |
| n.newline() |
| |
| CXX = configure_env.get('CXX', 'g++') |
| objext = '.o' |
| if platform.is_msvc(): |
| CXX = 'cl' |
| objext = '.obj' |
| |
| def src(filename): |
| return os.path.join('src', filename) |
| def built(filename): |
| return os.path.join('$builddir', filename) |
| def doc(filename): |
| return os.path.join('doc', filename) |
| def cc(name, **kwargs): |
| return n.build(built(name + objext), 'cxx', src(name + '.c'), **kwargs) |
| def cxx(name, **kwargs): |
| return n.build(built(name + objext), 'cxx', src(name + '.cc'), **kwargs) |
| def binary(name): |
| if platform.is_windows(): |
| exe = name + '.exe' |
| n.build(name, 'phony', exe) |
| return exe |
| return name |
| |
| n.variable('builddir', 'build') |
| n.variable('cxx', CXX) |
| if platform.is_msvc(): |
| n.variable('ar', 'link') |
| else: |
| n.variable('ar', configure_env.get('AR', 'ar')) |
| |
| if platform.is_msvc(): |
| cflags = ['/nologo', # Don't print startup banner. |
| '/Zi', # Create pdb with debug info. |
| '/W4', # Highest warning level. |
| '/WX', # Warnings as errors. |
| '/wd4530', '/wd4100', '/wd4706', |
| '/wd4512', '/wd4800', '/wd4702', '/wd4819', |
| # Disable warnings about passing "this" during initialization. |
| '/wd4355', |
| '/GR-', # Disable RTTI. |
| # Disable size_t -> int truncation warning. |
| # We never have strings or arrays larger than 2**31. |
| '/wd4267', |
| '/DNOMINMAX', '/D_CRT_SECURE_NO_WARNINGS', |
| '/D_VARIADIC_MAX=10', |
| '/DNINJA_PYTHON="%s"' % options.with_python] |
| ldflags = ['/DEBUG', '/libpath:$builddir'] |
| if not options.debug: |
| cflags += ['/Ox', '/DNDEBUG', '/GL'] |
| ldflags += ['/LTCG', '/OPT:REF', '/OPT:ICF'] |
| else: |
| cflags = ['-g', '-Wall', '-Wextra', |
| '-Wno-deprecated', |
| '-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'] |
| if platform.is_mingw(): |
| cflags += ['-D_WIN32_WINNT=0x0501'] |
| ldflags = ['-L$builddir'] |
| libs = [] |
| |
| if platform.is_mingw(): |
| cflags.remove('-fvisibility=hidden'); |
| ldflags.append('-static') |
| elif platform.is_sunos5(): |
| cflags.remove('-fvisibility=hidden') |
| elif platform.is_msvc(): |
| pass |
| else: |
| if options.profile == 'gmon': |
| cflags.append('-pg') |
| ldflags.append('-pg') |
| elif options.profile == 'pprof': |
| cflags.append('-fno-omit-frame-pointer') |
| libs.extend(['-Wl,--no-as-needed', '-lprofiler']) |
| |
| if (platform.is_linux() or platform.is_openbsd() or platform.is_bitrig()) and not options.force_pselect: |
| cflags.append('-DUSE_PPOLL') |
| |
| def shell_escape(str): |
| """Escape str such that it's interpreted as a single argument by |
| the shell.""" |
| |
| # This isn't complete, but it's just enough to make NINJA_PYTHON work. |
| if platform.is_windows(): |
| return str |
| if '"' in str: |
| return "'%s'" % str.replace("'", "\\'") |
| return str |
| |
| if 'CFLAGS' in configure_env: |
| cflags.append(configure_env['CFLAGS']) |
| n.variable('cflags', ' '.join(shell_escape(flag) for flag in cflags)) |
| if 'LDFLAGS' in configure_env: |
| ldflags.append(configure_env['LDFLAGS']) |
| n.variable('ldflags', ' '.join(shell_escape(flag) for flag in ldflags)) |
| n.newline() |
| |
| if platform.is_msvc(): |
| n.rule('cxx', |
| command='$cxx /showIncludes $cflags -c $in /Fo$out', |
| description='CXX $out', |
| deps='msvc') |
| else: |
| n.rule('cxx', |
| command='$cxx -MMD -MT $out -MF $out.d $cflags -c $in -o $out', |
| depfile='$out.d', |
| deps='gcc', |
| description='CXX $out') |
| n.newline() |
| |
| if host.is_msvc(): |
| n.rule('ar', |
| command='lib /nologo /ltcg /out:$out $in', |
| description='LIB $out') |
| elif host.is_mingw(): |
| n.rule('ar', |
| command='cmd /c $ar cqs $out.tmp $in && move /Y $out.tmp $out', |
| description='AR $out') |
| else: |
| n.rule('ar', |
| command='rm -f $out && $ar crs $out $in', |
| description='AR $out') |
| n.newline() |
| |
| if platform.is_msvc(): |
| n.rule('link', |
| command='$cxx $in $libs /nologo /link $ldflags /out:$out', |
| description='LINK $out') |
| else: |
| n.rule('link', |
| command='$cxx $ldflags -o $out $in $libs', |
| description='LINK $out') |
| n.newline() |
| |
| objs = [] |
| |
| if not platform.is_windows() and not platform.is_solaris(): |
| n.comment('browse_py.h is used to inline browse.py.') |
| n.rule('inline', |
| command='src/inline.sh $varname < $in > $out', |
| description='INLINE $out') |
| n.build(built('browse_py.h'), 'inline', src('browse.py'), |
| implicit='src/inline.sh', |
| variables=[('varname', 'kBrowsePy')]) |
| n.newline() |
| |
| objs += cxx('browse', order_only=built('browse_py.h')) |
| 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 |
| except OSError: |
| return False |
| if has_re2c(): |
| n.rule('re2c', |
| command='re2c -b -i --no-generation-date -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.build(src('lexer.cc'), 're2c', src('lexer.in.cc')) |
| else: |
| print("warning: A compatible version of re2c (>= 0.11.3) was not found; " |
| "changes to src/*.in.cc will not affect your build.") |
| n.newline() |
| |
| n.comment('Core source files all build into ninja library.') |
| for name in ['build', |
| 'build_log', |
| 'clean', |
| 'debug_flags', |
| 'depfile_parser', |
| 'deps_log', |
| 'disk_interface', |
| 'edit_distance', |
| 'eval_env', |
| 'graph', |
| 'graphviz', |
| 'lexer', |
| 'line_printer', |
| 'manifest_parser', |
| 'metrics', |
| 'state', |
| 'util', |
| 'version']: |
| objs += cxx(name) |
| if platform.is_windows(): |
| for name in ['subprocess-win32', |
| 'includes_normalize-win32', |
| 'msvc_helper-win32', |
| 'msvc_helper_main-win32']: |
| objs += cxx(name) |
| if platform.is_msvc(): |
| objs += cxx('minidump-win32') |
| objs += cc('getopt') |
| else: |
| objs += cxx('subprocess-posix') |
| if platform.is_msvc(): |
| ninja_lib = n.build(built('ninja.lib'), 'ar', objs) |
| else: |
| ninja_lib = n.build(built('libninja.a'), 'ar', objs) |
| n.newline() |
| |
| if platform.is_msvc(): |
| libs.append('ninja.lib') |
| else: |
| libs.append('-lninja') |
| |
| all_targets = [] |
| |
| n.comment('Main executable is library plus main() function.') |
| objs = cxx('ninja') |
| ninja = n.build(binary('ninja'), 'link', objs, implicit=ninja_lib, |
| variables=[('libs', libs)]) |
| n.newline() |
| all_targets += ninja |
| |
| 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 ' + 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', |
| 'depfile_parser_test', |
| 'deps_log_test', |
| 'disk_interface_test', |
| 'edit_distance_test', |
| 'graph_test', |
| 'lexer_test', |
| 'manifest_parser_test', |
| 'ninja_test', |
| 'state_test', |
| 'subprocess_test', |
| 'test', |
| 'util_test']: |
| objs += cxx(name, variables=[('cflags', '$test_cflags')]) |
| if platform.is_windows(): |
| for name in ['includes_normalize_test', 'msvc_helper_test']: |
| objs += cxx(name, variables=[('cflags', test_cflags)]) |
| |
| 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)]) |
| n.newline() |
| all_targets += ninja_test |
| |
| |
| n.comment('Ancillary executables.') |
| objs = cxx('parser_perftest') |
| all_targets += n.build(binary('parser_perftest'), 'link', objs, |
| implicit=ninja_lib, variables=[('libs', libs)]) |
| 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('hash_collision_bench') |
| all_targets += n.build(binary('hash_collision_bench'), 'link', objs, |
| implicit=ninja_lib, variables=[('libs', libs)]) |
| n.newline() |
| |
| n.comment('Generate a graph using the "graph" tool.') |
| n.rule('gendot', |
| command='./ninja -t graph all > $out') |
| n.rule('gengraph', |
| command='dot -Tpng $in > $out') |
| dot = n.build(built('graph.dot'), 'gendot', ['ninja', 'build.ninja']) |
| n.build('graph.png', 'gengraph', dot) |
| n.newline() |
| |
| n.comment('Generate the manual using asciidoc.') |
| n.rule('asciidoc', |
| command='asciidoc -b docbook -d book -o $out $in', |
| description='ASCIIDOC $out') |
| 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')) |
| n.build('manual', 'phony', |
| order_only=manual) |
| n.newline() |
| |
| n.comment('Generate Doxygen.') |
| n.rule('doxygen', |
| command='doxygen $in', |
| description='DOXYGEN $in') |
| n.variable('doxygen_mainpage_generator', |
| src('gen_doxygen_mainpage.sh')) |
| n.rule('doxygen_mainpage', |
| command='$doxygen_mainpage_generator $in > $out', |
| description='DOXYGEN_MAINPAGE $out') |
| mainpage = n.build(built('doxygen_mainpage'), 'doxygen_mainpage', |
| ['README', 'COPYING'], |
| implicit=['$doxygen_mainpage_generator']) |
| n.build('doxygen', 'doxygen', doc('doxygen.config'), |
| implicit=mainpage) |
| n.newline() |
| |
| 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' % |
| options.with_python, |
| generator=True) |
| n.build('build.ninja', 'configure', |
| implicit=['configure.py', os.path.normpath('misc/ninja_syntax.py')]) |
| n.newline() |
| |
| n.default(ninja) |
| n.newline() |
| |
| if host.is_linux(): |
| n.comment('Packaging') |
| n.rule('rpmbuild', |
| command="misc/packaging/rpmbuild.sh", |
| description='Building rpms..') |
| n.build('rpm', 'rpmbuild') |
| n.newline() |
| |
| n.build('all', 'phony', all_targets) |
| |
| print('wrote %s.' % BUILD_FILENAME) |