| #!/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 optparse import OptionParser |
| import os |
| import sys |
| sys.path.insert(0, 'misc') |
| |
| import ninja_syntax |
| |
| parser = OptionParser() |
| platforms = ['linux', 'freebsd', 'mingw', 'windows'] |
| profilers = ['gmon', 'pprof'] |
| parser.add_option('--platform', |
| help='target platform (' + '/'.join(platforms) + ')', |
| choices=platforms) |
| parser.add_option('--host', |
| help='host platform (' + '/'.join(platforms) + ')', |
| choices=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)) |
| (options, args) = parser.parse_args() |
| if args: |
| print 'ERROR: extra unparsed command-line arguments:', args |
| sys.exit(1) |
| |
| platform = options.platform |
| if platform is None: |
| platform = sys.platform |
| if platform.startswith('linux'): |
| platform = 'linux' |
| elif platform.startswith('freebsd'): |
| platform = 'freebsd' |
| elif platform.startswith('mingw'): |
| platform = 'mingw' |
| elif platform.startswith('win'): |
| platform = 'windows' |
| host = options.host or 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.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) |
| n.variable('configure_env', |
| ' '.join([k + '=' + configure_env[k] for k in configure_env])) |
| n.newline() |
| |
| CXX = configure_env.get('CXX', 'g++') |
| objext = '.o' |
| if platform == 'windows': |
| CXX = 'cl' |
| objext = '.obj' |
| |
| def src(filename): |
| return os.path.join('src', filename) |
| def built(filename): |
| return os.path.join('$builddir', filename) |
| def doc(filename): |
| return os.path.join('doc', filename) |
| def cc(name, **kwargs): |
| return n.build(built(name + objext), 'cxx', src(name + '.c'), **kwargs) |
| def cxx(name, **kwargs): |
| return n.build(built(name + objext), 'cxx', src(name + '.cc'), **kwargs) |
| def binary(name): |
| if platform in ('mingw', 'windows'): |
| return name + '.exe' |
| return name |
| |
| n.variable('builddir', 'build') |
| n.variable('cxx', CXX) |
| if platform == 'windows': |
| n.variable('ar', 'link') |
| else: |
| n.variable('ar', configure_env.get('AR', 'ar')) |
| |
| if platform == 'windows': |
| cflags = ['/nologo', '/Zi', '/W4', '/WX', '/wd4530', '/wd4100', '/wd4706', |
| '/wd4512', '/wd4800', '/wd4702', '/wd4819', '/GR-', |
| '/DNOMINMAX', '/D_CRT_SECURE_NO_WARNINGS', |
| "/DNINJA_PYTHON=\"%s\"" % (options.with_python,)] |
| ldflags = ['/DEBUG', '/libpath:$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', |
| "'-DNINJA_PYTHON=\"%s\"'" % (options.with_python,)] |
| if options.debug: |
| cflags += ['-D_GLIBCXX_DEBUG', '-D_GLIBCXX_DEBUG_PEDANTIC'] |
| else: |
| cflags += ['-O2', '-DNDEBUG'] |
| if 'clang' in os.path.basename(CXX): |
| cflags += ['-fcolor-diagnostics'] |
| ldflags = ['-L$builddir'] |
| libs = [] |
| |
| if platform == 'mingw': |
| cflags.remove('-fvisibility=hidden'); |
| ldflags.append('-static') |
| elif platform == 'sunos5': |
| cflags.remove('-fvisibility=hidden') |
| elif platform == 'windows': |
| pass |
| else: |
| if options.profile == 'gmon': |
| cflags.append('-pg') |
| ldflags.append('-pg') |
| elif options.profile == 'pprof': |
| libs.append('-lprofiler') |
| |
| if 'CFLAGS' in configure_env: |
| cflags.append(configure_env['CFLAGS']) |
| n.variable('cflags', ' '.join(cflags)) |
| if 'LDFLAGS' in configure_env: |
| ldflags.append(configure_env['LDFLAGS']) |
| n.variable('ldflags', ' '.join(ldflags)) |
| n.newline() |
| |
| if platform == 'windows': |
| n.rule('cxx', |
| command='$cxx $cflags -c $in /Fo$out', |
| depfile='$out.d', |
| description='CXX $out') |
| else: |
| n.rule('cxx', |
| command='$cxx -MMD -MT $out -MF $out.d $cflags -c $in -o $out', |
| depfile='$out.d', |
| description='CXX $out') |
| n.newline() |
| |
| if host == 'windows': |
| n.rule('ar', |
| command='lib /nologo /ltcg /out:$out $in', |
| description='LIB $out') |
| elif host == '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 $out') |
| n.newline() |
| |
| if platform == 'windows': |
| n.rule('link', |
| command='$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 platform not in ('mingw', 'windows'): |
| 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.') |
| 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')) |
| n.newline() |
| |
| n.comment('Core source files all build into ninja library.') |
| for name in ['build', |
| 'build_log', |
| 'clean', |
| 'depfile_parser', |
| 'disk_interface', |
| 'edit_distance', |
| 'eval_env', |
| 'explain', |
| 'graph', |
| 'graphviz', |
| 'lexer', |
| 'metrics', |
| 'parsers', |
| 'state', |
| 'util']: |
| objs += cxx(name) |
| if platform == 'mingw' or platform == 'windows': |
| objs += cxx('subprocess-win32') |
| objs += cc('getopt') |
| else: |
| objs += cxx('subprocess') |
| if platform == 'windows': |
| ninja_lib = n.build(built('ninja.lib'), 'ar', objs) |
| else: |
| ninja_lib = n.build(built('libninja.a'), 'ar', objs) |
| n.newline() |
| |
| if platform == 'windows': |
| 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)]) |
| if 'ninja' not in ninja: |
| n.build('ninja', 'phony', ninja) |
| n.newline() |
| all_targets += ninja |
| |
| n.comment('Tests all build into ninja_test executable.') |
| |
| variables = [] |
| test_cflags = None |
| 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 == 'windows': |
| gtest_cflags = '/nologo /EHsc ' + 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)]) |
| objs += n.build(built('gtest_main' + objext), 'cxx', |
| os.path.join(path, 'src/gtest_main.cc'), |
| variables=[('cflags', gtest_cflags)]) |
| |
| test_cflags = cflags + ['-DGTEST_HAS_RTTI=0', |
| '-I%s' % os.path.join(path, 'include')] |
| elif platform == 'windows': |
| test_libs.extend(['gtest_main.lib', 'gtest.lib']) |
| else: |
| test_libs.extend(['-lgtest_main', '-lgtest']) |
| |
| for name in ['build_log_test', |
| 'build_test', |
| 'clean_test', |
| 'depfile_parser_test', |
| 'disk_interface_test', |
| 'edit_distance_test', |
| 'graph_test', |
| 'lexer_test', |
| 'parsers_test', |
| 'state_test', |
| 'subprocess_test', |
| 'test', |
| 'util_test']: |
| objs += cxx(name, variables=[('cflags', test_cflags)]) |
| |
| if platform != 'mingw' and platform != 'windows': |
| test_libs.append('-lpthread') |
| ninja_test = n.build(binary('ninja_test'), 'link', objs, implicit=ninja_lib, |
| variables=[('ldflags', test_ldflags), |
| ('libs', test_libs)]) |
| if 'ninja_test' not in ninja_test: |
| n.build('ninja_test', 'phony', ninja_test) |
| n.newline() |
| all_targets += ninja_test |
| |
| |
| n.comment('Perftest executable.') |
| objs = cxx('parser_perftest') |
| parser_perftest = n.build(binary('parser_perftest'), 'link', objs, |
| implicit=ninja_lib, |
| variables=[('libs', '-L$builddir -lninja')]) |
| n.newline() |
| all_targets += parser_perftest |
| |
| n.comment('Generate a graph using the "graph" tool.') |
| n.rule('gendot', |
| command='./ninja -t graph > $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 -a toc -a max-width=45em -o $out $in', |
| description='ASCIIDOC $in') |
| manual = n.build(doc('manual.html'), 'asciidoc', doc('manual.asciidoc')) |
| 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 $out') |
| mainpage = n.build(built('doxygen_mainpage'), 'doxygen_mainpage', |
| ['README', 'HACKING', 'COPYING'], |
| implicit=['$doxygen_mainpage_generator']) |
| n.build('doxygen', 'doxygen', doc('doxygen.config'), |
| implicit=mainpage) |
| n.newline() |
| |
| if host != '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', 'misc/ninja_syntax.py']) |
| n.newline() |
| |
| n.comment('Build only the main binary by default.') |
| n.default(ninja) |
| n.newline() |
| |
| n.build('all', 'phony', all_targets) |
| |
| print 'wrote %s.' % BUILD_FILENAME |
