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author | Evan Martin <martine@danga.com> | 2011-05-02 00:48:39 (GMT) |
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committer | Evan Martin <martine@danga.com> | 2011-05-02 01:02:13 (GMT) |
commit | d7bd4a2367046ee0458123051d9cbdc465d022d1 (patch) | |
tree | d3c92ec32dce8649b0d39786254b2a4c64099acf /gen-build-file.py | |
parent | 101d9b2d14f6877818787921bad55783ad76f6f4 (diff) | |
download | Ninja-d7bd4a2367046ee0458123051d9cbdc465d022d1.zip Ninja-d7bd4a2367046ee0458123051d9cbdc465d022d1.tar.gz Ninja-d7bd4a2367046ee0458123051d9cbdc465d022d1.tar.bz2 |
check in a script that generates build.ninja
This will allow us to:
1) simplify bootstrap
2) generate windows-style paths on windows
It is also in line with ninja's philosophy: the build file syntax
is simple because the build files are easy to generate.
Diffstat (limited to 'gen-build-file.py')
-rwxr-xr-x | gen-build-file.py | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/gen-build-file.py b/gen-build-file.py new file mode 100755 index 0000000..904035c --- /dev/null +++ b/gen-build-file.py @@ -0,0 +1,147 @@ +#!/usr/bin/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.""" + +import os +import sys +sys.path.insert(0, 'misc') + +import ninja + +n = ninja.Writer(sys.stdout) +n.comment('This file is used to build ninja itself.') +n.comment('It is generated by ' + os.path.basename(__file__) + '.') +n.newline() + +def src(filename): + return os.path.join('src', filename) +def built(filename): + return os.path.join('$builddir', filename) +def cxx(name, **kwargs): + return n.build(built(name + '.o'), 'cxx', src(name + '.cc'), **kwargs) + +n.variable('builddir', 'build') +n.variable('cxx', os.environ.get('CC', 'g++')) +cflags = ('-O2 -g -Wall -Wno-deprecated -fno-exceptions -fvisibility=hidden ' + '-pipe') +if 'CFLAGS' in os.environ: + cflags += ' ' + os.environ['CFLAGS'] +n.variable('cflags', cflags) +n.variable('ldflags', os.environ.get('LDFLAGS', '')) +n.newline() + +n.rule('cxx', + command='$cxx -MMD -MF $out.d $cflags -c $in -o $out', + depfile='$out.d', + description='CC $out') +n.newline() + +n.rule('ar', + command='ar crs $out $in', + description='AR $out') +n.newline() + +n.rule('link', + command='$cxx $ldflags -o $out $in', + description='LINK $out') +n.newline() + +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'), + variables=[('varname', 'kBrowsePy')]) +n.newline() + +objs = [] + +n.comment("TODO: this shouldn't need to depend on inline.sh.") +objs += cxx('browse', + implicit='src/inline.sh', + order_only=built('browse_py.h')) +n.newline() + +n.comment('Core source files all build into ninja library.') +for name in ['build', 'build_log', 'clean', 'eval_env', 'graph', 'graphviz', + 'parsers', 'subprocess', 'util', + 'ninja_jumble']: + objs += cxx(name) +ninja_lib = n.build(built('ninja.a'), 'ar', objs) +n.newline() + +n.comment('Main executable is library plus main() function.') +objs = cxx('ninja') +n.build('ninja', 'link', objs + ninja_lib) + +n.comment('Tests all build into ninja_test executable.') +objs = [] +for name in ['build_test', 'build_log_test', 'graph_test', 'ninja_test', + 'parsers_test', 'subprocess_test', 'util_test', + 'test']: + objs += cxx(name) +ldflags = '-lgtest -lgtest_main -lpthread' +if 'LDFLAGS' in os.environ: + ldflags += ' ' + os.environ.get('LDFLAGS') +n.build('ninja_test', 'link', + objs + ninja_lib, + variables=[('ldflags', ldflags)]) +n.newline() + +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 $in', + description='ASCIIDOC $in') +n.build('manual.html', 'asciidoc', 'manual.asciidoc') +n.build('manual', 'phony', + order_only='manual.html') +n.newline() + +n.comment('Generate Doxygen.') +n.rule('doxygen', + command='doxygen $in', + description='DOXYGEN $in') +n.variable('doxygen_mainpage_generator', + './gen_doxygen_mainpage.sh') +n.rule('doxygen_mainpage', + command='$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', 'doxygen.config', + implicit=mainpage, + order_only=mainpage) +n.newline() + +n.comment('Regenerate build files if build script changes.') +n.rule('gen-build-file', + command='./gen-build-file.py > $out') +n.build('build.ninja', 'gen-build-file', + implicit='gen-build-file.py') |