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+Below is a sample `~/.jhbuildrc` file to cross compile build X. Replace arm-none-linux-gnueabi with your toolchain. It assumes that you have export'ed `DISCIMAGE` to where you want to install to.
+
+ #!python
+ #######################################################################################
+ # This is a checkout and build configuration for building Xorg
+ #
+ # This can be copied to ~/.jhbuildrc and then run 'jhbuild build xserver'
+ #
+ #######################################################################################
+
+ moduleset = 'http://cgit.freedesktop.org/xorg/util/modular/plain/xorg.modules'
+ checkoutroot = '~/sources/xorg/git'
+ modules = [ 'xorg' ]
+ prefix = os.environ['DISCIMAGE'] +'/usr/local'
+
+ autogenargs = ' --disable-static'
+ autogenargs += ' --disable-dri2 --with-driver=dri'
+ autogenargs += ' --cache-file=' + checkoutroot + '/autoconf-cache'
+ # lots of people really like to always look in /var/log, but change if
+ # you want the log files out of place
+ autogenargs += ' --with-log-dir=/var/log'
+ autogenargs += ' --with-mesa-source=' + checkoutroot + '/mesa'
+ autogenargs += ' --enable-malloc0returnsnull'
+
+ os.environ['ACLOCAL'] = 'aclocal -I ' + prefix + '/share/aclocal/'
+ os.environ['INSTALL'] = os.path.expanduser('~/bin/install-check')
+
+ # Enabled debugging for xserver
+ os.environ['CFLAGS'] = '-g'
+ os.environ['CPPFLAGS'] = '-g'
+
+ # Setup environment for cross compiling
+
+ os.environ['BUILD'] = 'i686-pc-linux-gnuaout'
+ os.environ['HOST'] = 'arm-none-linux-gnueabi'
+ os.environ['TARGET'] = 'arm-none-linux-gnueabi'
+
+ cross_compile_prefix = os.environ['CROSS_COMPILE']
+ tools = {'ADDR2LINE': 'addr2line',
+ 'AS': 'as', 'CC': 'gcc', 'CPP': 'cpp',
+ 'CPPFILT': 'c++filt', 'CXX': 'g++',
+ 'GCOV': 'gcov', 'LD': 'ld', 'NM': 'nm',
+ 'OBJCOPY': 'objcopy', 'OBJDUMP': 'objdump',
+ 'READELF': 'readelf', 'SIZE': 'size',
+ 'STRINGS': 'strings', 'AR': 'ar',
+ 'RANLIB': 'ranlib', 'STRIP': 'strip'}
+
+ tools_args = str()
+ for tool in tools.keys():
+ fullpath_tool = cross_compile_prefix + tools[tool]
+ os.environ[tool] = fullpath_tool
+
+ autogenargs += ' --build='+os.environ['BUILD']
+ autogenargs += ' --host='+os.environ['HOST']
+ autogenargs += ' --target='+os.environ['TARGET']
+
+ for tool in ('AR', 'RANLIB', 'STRIP', 'AS', 'OBJDUMP', 'NM'):
+ autogenargs += ' '+tool+'="'+os.environ[tool]+'" '
+
+ module_autogenargs['libGL'] = autogenargs + ' --without-demos --with-dri-drivers="swrast" --disable-glw'
+ module_autogenargs['libXt'] = autogenargs + ' --disable-install-makestrs'
+ module_autogenargs['xserver'] = autogenargs + ' --enable-debug'
+ module_autogenargs['pixman'] = autogenargs + ' --disable-gtk'
+ module_autogenargs['hal'] = autogenargs + ' --disable-pci-ids'
+ module_autogenargs['libXfont'] = autogenargs + ' --disable-freetype'
+
+ # For expat and zlib
+ os.environ['CFLAGS'] += ' -I' + os.environ['DISCIMAGE'] + '/usr/local/include/'
+ os.environ['CPPFLAGS'] += ' -IHello -I' + os.environ['DISCIMAGE'] + '/usr/local/include/'
+ os.environ['LDFLAGS'] = ' -L' + os.environ['DISCIMAGE'] + '/usr/local/lib/'
+ os.environ['LDFLAGS'] += ' -Wl,--rpath -Wl,' + '/usr/local/lib/' #rpath is relative to where it is run from - DISCIMAGE
+
+ # Just in case zlib or expat were installed here
+ os.environ['CFLAGS'] += ' -I' + os.environ['DISCIMAGE'] + '/usr/include/'
+ os.environ['CPPFLAGS'] += ' -I' + os.environ['DISCIMAGE'] + '/usr/include/'
+ os.environ['LDFLAGS'] += ' -L' + os.environ['DISCIMAGE'] + '/usr/lib/'
+ os.environ['LDFLAGS'] += ' -Wl,--rpath -Wl,' + '/usr/lib/'