X-Git-Url: https://git.ralfj.de/mass-build.git/blobdiff_plain/84ccff1d0a5bae4e31b939b0c1495a9719e6565a..f5fc2c7cd2999eb0af27dffb9d99b594940d463f:/build_system.py?ds=sidebyside diff --git a/build_system.py b/build_system.py index 8325aed..c26673d 100644 --- a/build_system.py +++ b/build_system.py @@ -1,6 +1,23 @@ +# mass-build - Easily Build Software Involving a Large Amount of Source Repositories +# Copyright (C) 2012-2013 Ralf Jung +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + import os, shutil, subprocess -'''A build system must have a "build" method with an optional "reconfigure" parameter.''' +'''A build system must have a "build" method with parameters "reconfigure" and "waitAfterConfig".''' # Compile, build, and install cmake projects: class CMake: @@ -9,25 +26,53 @@ class CMake: self.buildFolder = os.path.abspath(buildFolder) self.config = config - def build(self, reconfigure=False): + def setEnv(self, name, val): + '''Set the given environment variable, return old value''' + oldVal = os.getenv(name) + os.putenv(name, val) + return oldVal + + def prependDirToEnv(self, name, dir, default): + '''Prepends the given directory to the environment variable. If the variable is empty, dir isprepended to the default. + Returns the old value.''' + oldVal = os.getenv(name) + oldPaths = default if oldVal is None else oldVal + os.putenv(name, dir+':'+oldPaths) + return oldVal + + def restoreEnv(self, name, oldVal): + '''Restore environment variable to previous value''' + if oldVal is None: + os.unsetenv(name) + else: + os.putenv(name, oldVal) + + def build(self, reconfigure, waitAfterConfig): # Make sure we have a build directory if not os.path.exists(self.buildFolder): os.makedirs(self.buildFolder) os.chdir(self.buildFolder) # In case of reconfiguration, delete cache file if it exists cacheFile = 'CMakeCache.txt' if os.path.exists(cacheFile) and reconfigure: os.remove(cacheFile) - # Run cmake - os.putenv('PKG_CONFIG_PATH', os.path.join(self.config['installDir'], 'lib', 'pkgconfig')) # I found no way to do this within cmake + # Run cmake, in the proper environment, then restore old environment + oldPKGConfigPath = self.setEnv('PKG_CONFIG_PATH', os.path.join(self.config['installDir'], 'lib', 'pkgconfig')) + oldCMakePrefixPath = self.setEnv('CMAKE_PREFIX_PATH', self.config['installDir']) + oldXDGDataDirs = self.prependDirToEnv('XDG_DATA_DIRS', os.path.join(self.config['installDir'], 'share'), '/usr/share') + oldXDGConfigDirs = self.prependDirToEnv('XDG_CONFIG_DIRS', os.path.join(self.config['installDir'], 'etc', 'xdg'), '/etc/xdg') subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.config['buildType'], '-DCMAKE_INSTALL_PREFIX='+self.config['installDir']]+self.config.get('cmakeParameters', [])) - os.unsetenv('PKG_CONFIG_PATH') + self.restoreEnv('PKG_CONFIG_PATH', oldPKGConfigPath) + self.restoreEnv('CMAKE_PREFIX_PATH', oldCMakePrefixPath) + self.restoreEnv('XDG_DATA_DIRS', oldXDGDataDirs) + self.restoreEnv('XDG_CONFIG_DIRS', oldXDGConfigDirs) # if asked to do so, wait - if self.config['waitAfterConfig']: + if waitAfterConfig: raw_input('Configuration done. Hit "Enter" to build the project. ') # run compilation - subprocess.check_call(self.config['buildCmdPrefix'] + ['make', '-j'+str(self.config['jobs'])]) + jobs = int(self.config['jobs']) + subprocess.check_call(self.config.get('buildCmdPrefix', []) + ['make', '-j'+str(jobs)]) # run installation - subprocess.check_call(self.config['installCmdPrefix'] + ['make', 'install']) + subprocess.check_call(self.config.get('installCmdPrefix', []) + ['make', 'install', '-j'+str((jobs+1)/2)]) # jobs/2, rounded up # if auto-debuild is available, provide a wrapper for it try: @@ -40,7 +85,11 @@ try: self.config = config self.vcs = vcs - def build(self, reconfigure=False): # reconfigure is ignored (we always do a reconfiguration) + def build(self, reconfigure, waitAfterConfig): # reconfigure is ignored (we always do a reconfiguration) + # get version name + versionName = self.config['versionName'] if 'versionName' in self.config else self.vcs.version() + if versionName is None: + raise Exception("VCS did not provide us with a proper version number, please provide one manually") # create auto-debuild configuration autoDebuildConfig = { 'sourceName': self.config['name'], @@ -50,13 +99,13 @@ try: 'name': self.config['debName'], 'email': self.config['debEMail'], 'parallelJobs': self.config['jobs'], - 'version': self.vcs.version(), + 'version': versionName, + 'waitAfterConfig': waitAfterConfig, } - if autoDebuildConfig['version'] is None: - raise Exception("VCS did not provide us with a proper version number, please fix this") # copy some more optional configuration - for option in ('waitAfterConfig', 'dbgPackage', 'section', 'withPython2', 'binarySkipFiles', 'binaryInstallFiles', - 'buildDepends', 'binaryDepends', 'binaryRecommends', 'binaryProvides', 'binaryConflicts', + for option in ('epoch', 'dbgPackage', 'section', 'withPython2', 'binarySkipFiles', 'binaryInstallFiles', + 'buildDepends', 'binaryDepends', 'binaryShims', 'binaryRecommends', 'binaryProvides', 'binaryConflicts', 'binaryBreaks', + 'binaryReplaces', 'binaryBreaksReplaces', 'alternatives', 'cmakeParameters', 'automakeParameters'): if option in self.config: autoDebuildConfig[option] = self.config[option]