--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GNUmakefile	Sun Nov 20 21:43:50 2005 +0100
@@ -0,0 +1,3 @@
+
+foo:
+	python driver.py

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/driver.py	Sun Nov 20 21:43:50 2005 +0100
@@ -0,0 +1,76 @@
+import sys
+sys.path.insert (0, 'specs/')
+
+import re
+import os
+import gub
+
+
+class Settings:
+	def __init__ (self):
+		pass
+
+	
+settings = Settings()
+settings.target_architecture = 'powerpc-apple-darwin' 
+settings.topdir = os.getcwd()
+settings.downloaddir = os.getcwd() + '/downloads/'
+
+settings.srcdir = os.path.join (settings.topdir, 'src')
+settings.specdir = settings.topdir + '/specs/'
+settings.targetdir = settings.topdir + '/target/%s/' % settings.target_architecture
+settings.systemdir = settings.targetdir + '/system/'
+settings.builddir = settings.targetdir + '/build/'
+settings.installdir = settings.targetdir + '/install/'
+settings.statusdir = settings.targetdir + '/status/'
+settings.tooldir = settings.targetdir + '/tools/'
+
+os.environ["PATH"] = '%s/%s:%s' % (settings.tooldir, 'bin', os.environ["PATH"])
+
+
+def create_dirs (settings): 
+    for a in ['topdir', 'statusdir', 
+	      'downloaddir', 'srcdir', 'specdir',
+	      'targetdir', 'systemdir']:
+	    try:
+		    gub.system ('mkdir -p %s' % settings.__dict__[a], ignore_error = True)
+	    except OSError:
+		    pass
+
+
+
+def process_package (package):
+	package.download ()
+
+	for stage in ['unpack', 'patch', 'configure', 'compile', 'install']:
+#		if not package.done (stage):
+#			(package.__class__.__dict__[stage]) (package)
+#			package.set_done (stage)
+
+		if not package.done (stage):
+			if stage == 'unpack': package.unpack()
+			elif stage == 'configure':  package.configure ()
+			elif stage == 'patch':  package.patch ()
+			elif stage == 'compile': package.compile ()
+			elif stage == 'install': package.install ()
+			
+			package.set_done (stage)
+
+def process_packages (ps):
+	for p in ps:
+		process_package (p)
+	
+	
+if not os.path.exists (settings.targetdir):
+	create_dirs (settings)
+
+import darwintools
+import framework
+
+process_packages (darwintools.get_packages (settings))
+process_packages (framework.get_packages (settings))
+		
+
+
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/specs/darwintools.py	Sun Nov 20 21:43:50 2005 +0100
@@ -0,0 +1,79 @@
+import re
+import gub
+
+class  Darwin_sdk (gub.Package):
+	def file_name (self):
+		return 'darwin-sdk.tar.gz'
+	def __init__ (self, settings):
+		gub.Package.__init__ (self, settings)
+
+	def name (self):
+		return 'darwin-sdk'
+
+	def unpack_destination (self):
+		return self.settings.systemdir
+
+	def download (self):
+		pass
+
+	def configure (self):
+		pass
+
+	def compile (self):
+		pass
+
+	def install (self):
+		pass
+	
+class Odcc_tools (gub.Package):
+	def __init__ (self, settings):
+		gub.Package.__init__ (self, settings)
+		self.url = 'http://www.opendarwin.org/downloads/odcctools-20051031.tar.bz2'
+
+	def name (self):
+		return "odcctools"
+
+	def installdir (self):
+		return self.settings.tooldir
+	
+	def configure_command (self):
+		cmd = gub.Package.configure_command (self)
+		cmd += ' --target=%s --with-sysroot=%s ' % (self.settings.target_architecture, self.settings.systemdir)
+		
+		return cmd
+
+class Gcc (gub.Package):
+	def __init__ (self, settings):
+		gub.Package.__init__ (self,settings)
+		self.url = 'ftp://dl.xs4all.nl/pub/mirror/gnu/gcc/gcc-4.0.2/gcc-4.0.2.tar.bz2'
+
+	def patch (self):
+		fn ='%s/gcc/config/darwin.h' % self.srcdir()
+		str = open (fn).read ()
+
+		# backup file.
+		open (fn + "~", 'w').write (str)
+		
+		str = re.sub ('/usr/bin/libtool', '%s/bin/powerpc-apple-darwin-libtool' % self.settings.tooldir, str)
+		open (fn,'w').write (str)
+		
+	def configure_command (self):
+		cmd = gub.Package.configure_command (self)
+		cmd += ''' --prefix=%(tooldir)s \
+--program-prefix=%(target_architecture)s- \
+--target=%(target_architecture)s \
+--with-as=%(tooldir)s/bin/powerpc-apple-darwin-as  \
+--with-ld=%(tooldir)s/bin/powerpc-apple-darwin-ld  \
+--with-sysroot=%(systemdir)s --enable-static --enable-shared  \
+--enable-languages=c ''' % self.settings.__dict__ # let's skip c++ for the moment.
+		return cmd
+
+		
+
+
+def get_packages (settings):
+	return [Darwin_sdk (settings),
+		Odcc_tools (settings),
+		Gcc (settings)]
+		
+	

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/specs/framework.py	Sun Nov 20 21:43:50 2005 +0100
@@ -0,0 +1,15 @@
+
+import re
+import gub
+
+class  Gettext (gub.Package):
+	def __init__ (self, settings):
+		gub.Package.__init__ (self, settings)
+		self.url = 'ftp://dl.xs4all.nl/pub/mirror/gnu/gettext/gettext-0.14.tar.gz'
+
+	def install_dir (self):
+		return self.settings.installdir
+	
+def get_packages (settings):
+	return [Gettext (settings),
+		]

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/specs/gub.py	Sun Nov 20 21:43:50 2005 +0100
@@ -0,0 +1,96 @@
+import os
+import sys
+import re
+
+def system (cmd, ignore_error = False):
+	sys.stderr.write ('invoking %s\n' % cmd)
+	stat = os.system (cmd)
+	if stat and not ignore_error:
+		sys.stderr.write ('fail\n')
+		sys.exit (1)
+
+	return 0 
+
+
+
+class Package:
+	def __init__ (self, settings):
+		self.settings = settings
+	
+	def download (self):
+		dir = self.settings.downloaddir
+		if not os.path.exists (dir + '/' + self.file_name ()): 
+			system ('cd %s ; wget %s ' % (dir, self.url))
+
+	def unpack_destination (self):
+		return self.settings.srcdir
+	
+	def basename (self):
+		f = self.file_name ()
+		f = re.sub ("\.tar.*", '', f)
+		return f
+
+	def name (self):
+		s = self.basename()
+		s = re.sub ('-?[0-9][^-]+$', '', s)
+		return s
+	
+	def srcdir (self):
+		return self.unpack_destination () + '/' + self.basename ()
+
+	def builddir (self):
+		return self.settings.builddir + '/' + self.basename ()
+
+	def installdir (self):
+		return self.settings.installdir + '/' + self.name ()
+
+	def file_name (self):
+		file = re.sub (".*/([^/]+)", '\\1', self.url)
+		return file
+
+
+	def done (self, stage):
+		return os.path.exists ('%s/%s-%s' % (self.settings.statusdir, self.name (), stage))
+
+	def set_done (self, stage):
+		open ('%s/%s-%s' % (self.settings.statusdir, self.name(), stage), 'w').write ('')
+
+	def configure_command (self):
+		return ("%s/configure --prefix=%s "
+			% (self.srcdir (), self.installdir ()))
+
+	def configure (self):
+		system ("mkdir -p %s;  cd %s && %s" % (self.builddir(),
+						       self.builddir(),
+						       self.configure_command ()))
+
+	def install_command (self):
+		return 'make install'
+	
+	def install (self):
+		system ("cd %s && %s" % (self.builddir (), self.install_command ())) 
+
+	def compile_command (self):
+		return 'make'
+
+	def compile (self):
+		system ("cd %s && %s" % (self.builddir(), self.compile_command ()))
+
+	def patch (self):
+		pass
+	
+	def unpack (self):
+		file = self.settings.downloaddir + '/' + self.file_name ()
+
+		cmd = ""
+		if re.search (".tar$", file):
+			cmd = "-xf "
+		elif re.search (".tar.bz2", file):
+			cmd = "-jxf "
+		elif re.search ('.tar.gz', file):
+			cmd = '-xzf '
+
+		cmd = "tar %s %s -C %s " % (cmd, file, self.unpack_destination ())
+		system (cmd) 
+
+