X-Git-Url: https://git.ralfj.de/mass-build.git/blobdiff_plain/546c80d1c559cb94223f9c459db719d143df7291..dcc5ee50d6903bfb5316927c0f64b3b351199a28:/build_system.py

diff --git a/build_system.py b/build_system.py
index e18d9ff..4658f4a 100644
--- a/build_system.py
+++ b/build_system.py
@@ -1,39 +1,124 @@
-import os, subprocess
+# mass-build - Easily Build Software Involving a Large Amount of Source Repositories
+# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+#
+# 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.
 
-'''A build system has three methods: "configure" (with optionak "force" parameter), "build" and "install"'''
+import os, shutil, subprocess
+
+'''A build system must have a "build" method with parameters "reconfigure" and "waitAfterConfig".'''
 
 # Compile, build, and install cmake projects:
 class CMake:
 	def __init__(self, sourceFolder, buildFolder, config):
 		self.sourceFolder = os.path.abspath(sourceFolder)
 		self.buildFolder = os.path.abspath(buildFolder)
-		self.installDir = config.installDir
-		self.buildType = config.buildType
-		self.jobs = config.jobs
-		self.buildCmdPrefix = config.buildCmdPrefix
-		self.installCmdPrefix = config.installCmdPrefix
+		self.config = config
 	
-	def configure(self, force=False):
-		print "Configuring",self.sourceFolder
-		if not os.path.exists(self.buildFolder): os.makedirs(self.buildFolder)
-		os.chdir(self.buildFolder)
-		# check if we actually need to work
-		cacheFile = 'CMakeCache.txt'
-		if os.path.exists(cacheFile) and os.path.exists('Makefile') and not force: return
-		# yes we do! make sure we start clean, and then go ahead
-		if os.path.exists(cacheFile): os.remove(cacheFile)
-		os.putenv('PKG_CONFIG_PATH', os.path.join(self.installDir, 'lib', 'pkgconfig')) # I found no way to do this within cmake
-		subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.buildType, '-DCMAKE_INSTALL_PREFIX='+self.installDir])
-		os.unsetenv('PKG_CONFIG_PATH')
+	def setEnv(self, name, val):
+		'''Set the given environment variable, return old value'''
+		oldVal = os.getenv(name)
+		os.putenv(name, val)
+		return oldVal
 	
-	def build(self):
-		print "Building",self.sourceFolder
-		os.chdir(self.buildFolder)
-		subprocess.check_call(self.buildCmdPrefix + ['make', '-j'+str(self.jobs)])
+	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 install(self):
-		print "Installing",self.sourceFolder
+	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)
-		subprocess.check_call(self.installCmdPrefix + ['make', 'install'])
+		# 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, 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', []))
+		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 waitAfterConfig:
+			raw_input('Configuration done. Hit "Enter" to build the project. ')
+		# run compilation
+		subprocess.check_call(self.config.get('buildCmdPrefix', []) + ['make', '-j'+str(self.config['jobs'])])
+		# run installation
+		subprocess.check_call(self.config.get('installCmdPrefix', []) + ['make', 'install'])
+
+# if auto-debuild is available, provide a wrapper for it
+try:
+	import auto_debuild
+	class AutoDebuild:
+		def __init__(self, sourceFolder, buildFolder, config, vcs):
+			self.sourceFolder = os.path.abspath(sourceFolder)
+			self.buildFolder = os.path.abspath(buildFolder)
+			self.debFolder = os.path.abspath(config['debDir'])
+			self.config = config
+			self.vcs = vcs
+
+		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'],
+				'buildSystem': self.config['buildSystem'],
+				'debDir': self.debFolder,
+				'buildDir': self.buildFolder,
+				'name': self.config['debName'],
+				'email': self.config['debEMail'],
+				'parallelJobs': self.config['jobs'],
+				'version': versionName,
+				'waitAfterConfig': waitAfterConfig,
+			}
+			# copy some more optional configuration
+			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]
+			# create Debian files
+			os.chdir(self.sourceFolder)
+			if os.path.isdir('debian'): # clean previous build attempts
+				shutil.rmtree('debian')
+			files = auto_debuild.createDebianFiles(autoDebuildConfig)
+			# build package(s)
+			auto_debuild.buildDebianPackage(autoDebuildConfig)
+			# install package(s)
+			if self.config.get('debInstall', True):
+				subprocess.check_call(['sudo', 'dpkg', '--install'] + files)
 
-# TODO: class Debian, which creates & install a debian package
+except ImportError:
+	#print "auto_debuild not found, disabling auto-debuild system"
+	pass