jhbuildrc-gtk-osx

# -*- mode: python -*-
#
# Copyright (C) 2006, 2007, 2008 Imendio AB
# Copyright 2009, 2010, 2011 John Ralls, Fremont, CA
#
# Default setup for building GTK+ on Mac OS X. Note that you should
# normally never need to edit this file. Any custom settings should be
# done in ~/.jhbuildrc-custom.
#
# Specific builds can be set up by creating files named
# ~/.jhbuildrc-<build>. When setting the environment variable JHB to
# such a name, the corresponding rc file will be read (e.g.:
# JHB=mybuild jhbuild shell).
#
# Use .jhbuildrc-custom to override the moduleset, modules to build,
# the source checkout location, installation prefix, or svn usernames
# etc.
#
# Please email richard@imendio.com if you have suggestions for
# improving this setup, or have any patches that you would like to get
# included.

import sys
import errno
import re

#some variables we'll need defined later
_default_arch = ""
_osx_version = 0.0
_target = '10.11'

def _popen(cmd_arg):
    from subprocess import Popen, PIPE
    devnull = open('/dev/null')
    cmd = Popen(cmd_arg, stdout=PIPE, stderr=devnull, shell=True)
    retval = cmd.stdout.read().strip()
    err = cmd.wait()
    cmd.stdout.close()
    devnull.close()
    if err:
        raise RuntimeError("Failed to close %s stream" % cmd_arg)
    return retval.decode('utf-8')

# Register an extra command to get the checkout dir for a module.
#
import jhbuild
class _cmd_get_srcdir(jhbuild.commands.Command):
    doc = 'Display information about one or more modules'

    from jhbuild.errors import FatalError

    name = 'gtk-osx-get-srcdir'
    usage_args = 'module'

    def run(self, config, options, args, help=None):
        module_set = jhbuild.moduleset.load(config)

        if args:
            modname = args[0]
            try:
                module = module_set.get_module(modname, ignore_case = True)
            except KeyError:
                raise RuntimeError(_('unknown module %s') % modname)
            print(module.get_srcdir(None))
        else:
            raise FatalError('no module specified')

jhbuild.commands.register_command(_cmd_get_srcdir)

class _cmd_bootstrap_gtk_osx(jhbuild.commands.base.cmd_build):
    doc = 'Build buildsystem tools not provided by MacOS.'

    name = 'bootstrap-gtk-osx'

    def run(self, config, options, args, help=None):
        global use_local_modulesets
        moduleset="bootstrap"
        modulesets_dir = os.path.dirname(config.moduleset)
        if (use_local_modulesets and
            os.path.exists(os.path.join(modulesets_dir,
                                        moduleset + '.modules'))):
            config.modulesets_dir = modulesets_dir
            config.moduleset = moduleset
        elif (use_local_modulesets and config.modulesets_dir and
              os.path.exists(os.path.join(config.modulesets_dir,
                                          moduleset + '.modules'))):
            config.moduleset = moduleset
        else:
            config.moduleset = 'https://gitlab.gnome.org/GNOME/gtk-osx/raw/master/modulesets-stable/bootstrap.modules'

        args = ['meta-bootstrap']

        for item in options.skip:
            config.skip += item.split(',')
        options.skip = []

        rc = jhbuild.commands.base.cmd_build.run(self, config, options, args)
        return rc

jhbuild.commands.register_command(_cmd_bootstrap_gtk_osx)

class _getenv(jhbuild.commands.Command):
    doc = "Retrieve an environment variable set within jhbuild"

    name = "gtk-osx-getenv"
    usage_args = 'envvar'

    def run(self, config, options, args):
 #       module_set = jhbuild.moduleset.load(config)

        if not args:
            raise FatalError("No environment variable")

        var = args[0]
        if var not in os.environ:
            raise FatalError("variable " + var + " not defined in jhbuild environment")
        print(os.environ[var])

jhbuild.commands.register_command(_getenv)

# Determine the native system:
def osx_ver():
    global _default_arch, _osx_version, _target
    vstring = _popen("uname -r")
    mstring = _popen("machine")
    exp = re.compile(r'(\d+\.\d+)\.\d+')
    vernum = exp.match(vstring)
    _osx_version = float(vernum.group(1)) - 4.0
    if _osx_version < 16:
        _target = '10.%d' % int(_osx_version)
    else:
        _target = '%d' % (_osx_version - 5)

    _default_arch = _popen("uname -m")

# Determine the XCode Version:
def xcode_ver():
   global conditions
   devdir = _popen("xcode-select -p")
   if devdir != "/Library/Developer/CommandLineTools":
       ver = _popen("xcodebuild -version")
       exp = re.compile(r'Xcode (\d+\.\d+)')
       vernum = exp.match(ver)
       if vernum:
           _xcode_ver = float(vernum.group(1))
           if _xcode_ver < 5.0:
               raise EnvironmentError("Xcode Version %f is not supported; if you want to build with Xcode versions earlier than 5.0 checkout tag Last-Lion." % _xcode_ver)
           if _xcode_ver < 10.0:
               conditions.add('pre-Mavericks')
           return _xcode_ver
       else:
           raise EnvironmentError("No suitable Xcode found. Xcode 5.0 or later is required.")
   else: #Command-Line Tools instead of Xcode
       ver_str = _popen("pkgutil --pkg-info=com.apple.pkg.CLTools_Executables | grep version*")
       print("Found Command Line Tools '%s'" % ver_str)
       exp = re.compile(r'version: (\d+\.\d+)')
       vernum = exp.match(ver_str)
       if vernum:
           print("Command Line Tools version %f" % float(vernum.group(1)))
           return float(vernum.group(1))
       else:
           return 8.0

# Some utitily functions used here and in custom files:
#
def environ_append(key, value, separator=' '):
    old_value = os.environ.get(key)
    if old_value is not None:
        value = old_value + separator + value
    os.environ[key] = value

def environ_prepend(key, value, separator=' '):
    old_value = os.environ.get(key)
    if old_value is not None:
        value = value + separator + old_value
    os.environ[key] = value

def environ_remove(key, value, separator=':'):
    old_value = os.environ.get(key)
    if old_value is not None:
        old_value_split = old_value.split(separator)
        value_split = [x for x in old_value_split if x != value]
        value = separator.join(value_split)
    os.environ[key] = value

def parse_custom_argument(key):
    for i, arg in enumerate(sys.argv[:-1]):
        if arg == key:
            return sys.argv[i+1]
    return None

def append_autogenargs(module, args):
    old_value = module_autogenargs.get(module, autogenargs)
    module_autogenargs[module] = old_value + " " + args

def remove_autogenargs(module, args):
    arg_string = module_autogenargs.get(module, autogenargs)
    module_autogenargs[module] = arg_string.replace(args, "")

# Call either setup_debug or setup_release in your .jhbuildrc-custom
# or other customization file to get the compilation flags.
def setup_debug():
    global autogenargs
# The enable-debug option generally turns on ASSERTS, which can slow
# down code and in the case of WebKit, breaks it on OSX because of
# threading problems. It's better to set it for individual packages
# with append_autogenargs().

#    autogenargs = autogenargs + " --enable-debug=yes"

# Gtk+ crashes in gdk_window_quartz_raise() -- in a call to [NSWindow
# orderFront:] if gcc is passed -O0 for 64-bit compilation. The old
# stabs+ debug format also doesn't work. See Snow Leopard in the Wiki
# for more information about debugging.
    environ_prepend('CFLAGS', "-O0 -g")
    environ_prepend('CXXFLAGS', "-O0 -g")
    environ_prepend('OBJCFLAGS', "-O0 -g")

def setup_release():
    environ_prepend('CFLAGS', "-O2")
    environ_prepend('CXXFLAGS', "-O2")
    environ_prepend('OBJCFLAGS', "-O2")

# Set up the environment for building against particular SDK.
#

#We call osx_ver() here so that we can set up _default_arch for setup_sdk
osx_ver()

#
# This is the workhorse of the setup. Call this function from
# .jhbuildrc-custom to configure compile and link flags. Optionally
# specify a minimum MacOS version (10.11, 10.12, 10.13, etc.) and a list
# of architectures.
#
# The sdk_version does nothing, as since Xcode 5 it is preferred to
# build with the SDK that goes with the selected Xcode or command-line
# tools, which we retrieve via xcrun. sdk_version remains in the
# setup_sdk signature to prevent breaking existing jhbuildrc-customs.
#
# For most users accepting the defaults is the right course.

def setup_sdk(target=_target, sdk_version=None, architectures=[_default_arch]):

    global use_local_modulesets, conditions
    os.environ["MACOSX_DEPLOYMENT_TARGET"] = target
    sdkdir = None
    xcodepath = None
    xcodeversion = xcode_ver()

    sdkdir = _popen("xcrun --show-sdk-path")

    if sdkdir:
        environ_prepend("LDFLAGS", "-L" + sdkdir + "/usr/lib")
        environ_prepend("CFLAGS", "-I" + sdkdir + "/usr/include")
        environ_prepend("CXXFLAGS", "-I" + sdkdir + "/usr/include")
        environ_prepend("OBJCFLAGS", "-I" + sdkdir + "/usr/include")
        environ_prepend("CPPFLAGS", "-I" + sdkdir + "/usr/include")
        environ_prepend("CMAKE_PREFIX_PATH", os.path.join(sdkdir, 'usr'), ':')
        environ_prepend("LIBRARY_PATH", sdkdir + "/usr/lib", ':')

        # It's often necessary to look for things in the SDK when
        # developing, and it takes a lot of typing, so define a
        # convenience environment variable:
        environ_append('SDKDIR', sdkdir)
        os.environ["SDKROOT"] = sdkdir

        # Apple Documentation says that "-syslibroot" is the arg to pass to the
        # linker, but we are using the compiler to control the linker, and
        # everything seems to be working correctly.
        environ_append("CFLAGS", "-isysroot " + sdkdir)
        environ_append("CPPFLAGS", "-isysroot " + sdkdir)
        environ_append("CXXFLAGS", "-isysroot " + sdkdir)
        environ_append("OBJCFLAGS", "-isysroot " + sdkdir)
        environ_append("LDFLAGS", "-isysroot " + sdkdir)

        # To pick up cups-config from the right place.
        os.environ["CUPS_CONFIG"] = os.path.join(sdkdir, "usr/bin/cups-config")

    if architectures == ["i386"]:
        # The '#' on openssl is to stop jhbuild from appending any more autogen
        # arguments such as --disable-Werror; they cause openssl to error out
        append_autogenargs("openssl", "darwin-i386-cc #")
    elif architectures == ["x86_64"]:
        conditions.add('64-bit')
        append_autogenargs("glib", "ac_cv_c_bigendian=no")
        append_autogenargs("openssl", "darwin64-x86_64-cc #")
    elif architectures == ["arm64"]:
        conditions.add('64-bit')
        append_autogenargs("glib", "ac_cv_c_bigendian=no")
        append_autogenargs("openssl", "darwin64-arm64-cc #") # Not a legal value
    elif len(set(architectures) - {"i386",  "x86_64", 'arm64'}) > 0:
        raise EnvironmentError("Only architectures i386, x86_64, and arm64 are supported.")
    if len(set(architectures)) > 1:
        print("WARNING: Universal builds are neither prohibited nor supported. It might work, but if it doesn't you're on your own.")
    # For unknown reasons, iconv is not picked up correctly without this
    #
    gcc = _popen("xcrun -f gcc")
    gpp = _popen("xcrun -f g++")
    ld = _popen("xcrun -f ld")
    os.environ["CC"] = gcc
    os.environ["OBJC"] = gcc
    os.environ["CXX"] = gpp
    os.environ['LD'] = ld

    # Set the -arch flags for everything we're building.
    #
    for arch in architectures:
        environ_prepend("CFLAGS", "-arch " + arch)
        environ_prepend("CXXFLAGS", "-arch " + arch)
        environ_prepend("CPPFLAGS", "-arch " + arch)
        environ_prepend("OBJCFLAGS", "-arch " + arch)
        environ_prepend("LDFLAGS", "-arch " + arch)
    # For intel, set glib's build parameter so that it builds the
    # correct atomic asm functions
    #
    if architectures == ["i386"]:
        append_autogenargs("glib", "--build=i486-apple-darwin")
        append_autogenargs("gmp", "ABI=32")
        append_autogenargs("liboil", "--host=i486-apple-darwin")
        append_autogenargs("gnutls", "--host=i486-apple-darwin")
    elif architectures == ["x86_64"]:
        append_autogenargs("glib", "--build=x86_64-apple-darwin")
        append_autogenargs("gmp", "--host=x86_64-apple-darwin ABI=64")
        append_autogenargs("liboil", "--host=x86_64-apple-darwin")
        append_autogenargs("gnutls", "--host=x86_64-apple-darwin")
    elif architectures == ["arm64"]:
        append_autogenargs("glib", "--build=aarch64-apple-darwin")
        append_autogenargs("gmp", "--host=aarch64-apple-darwin ABI=64")
        append_autogenargs("liboil", "--host=aarch64-apple-darwin")
        append_autogenargs("libffi", "--host=aarch64-apple-darwin")

    # El Capitan needs bash to work around SIP. If you're using a
    # common bootstrap directory (e.g. $HOME/.local) then override
    # CONFIG_SHELL in .jhbuildrc-custom after calling setup_sdk().
    config_shell = os.path.join(prefix, 'bin', 'bash')
    if _osx_version < 11.0:
        skip.append('bash')
    elif os.path.exists(config_shell):
        os.environ['CONFIG_SHELL'] = config_shell

    if not sdkdir:
        sdkdir = '/'
    if os.path.exists(os.path.join(sdkdir, "usr", "include", "openssl")):
        skip.append('openssl')  # openssl removed in El Capitan

    # gettext-fw rebuilds gettext with an in-tree libiconv to get
    # around the Apple-provided one not defining _libiconv_init for
    # x86_64
    append_autogenargs("gettext-fw", "--with-libiconv-prefix=" + prefix)

    environ_append("CFLAGS", "-mmacosx-version-min=" + target)
    environ_append("CXXFLAGS", "-mmacosx-version-min=" + target)
    environ_append("OBJCFLAGS", "-mmacosx-version-min=" + target)
    environ_append("LDFLAGS", "-mmacosx-version-min=" + target)

    #Overcome Python's obnoxious misconfiguration of portable builds
    if len(architectures) == 1:
        os.environ["BUILDCFLAGS"] = os.environ["CFLAGS"]
    append_autogenargs("gnutls", "--disable-guile")
    append_autogenargs("guile", 'CFLAGS="$CFLAGS -O1"')
    #Some packages require special arguments or flags to compile with Clang:
    module_extra_env["pkg-config"] = {'CFLAGS': os.environ['CFLAGS'] + ' -std=gnu89'}
    append_autogenargs('libgcrypt', 'CFLAGS="$CFLAGS -fheinous-gnu-extensions"')
    module_makeargs['liboil'] = 'CFLAGS="$CFLAGS -DHAVE_SYMBOL_UNDERSCORE -fheinous-gnu-extensions"'

    # openssl doesn't understand DESTDIR, but luckily it has its own mechanism.
    module_extra_env['openssl'] = {'INSTALL_PREFIX': os.path.join(prefix, '_jhbuild', 'root-openssl')}
    # GMP deliberately attempts to use CC_FOR_BUILD with no separate
    # cflags so we need to force it:
    module_extra_env['gmp'] = {'CC_FOR_BUILD':os.environ['CC'] + ' ' + os.environ['CFLAGS']}
    # Kill a couple of noisy warnings for webkit1:
    module_extra_env["webkit"] = {'CPPFLAGS':os.environ['CPPFLAGS'] + " -Wno-unused-local-typedef -Wno-missing-field-initializsers"}
    module_extra_env["webkit1gtk3"] = {'CPPFLAGS':os.environ['CPPFLAGS'] + " -Wno-unused-local-typedef -Wno-missing-field-initializsers -Wno-undefined-bool-conversion"}
    module_extra_env["webkit"] = {'CXXFLAGS':os.environ['CXXFLAGS'] + ' -Wno-inconsistent-missing-override'}
    module_extra_env["webkit1gtk3"] = {'CXXFLAGS':os.environ['CXXFLAGS'] + ' -Wno-inconsistent-missing-override'}

    # Finally when building normally we need to force CFLAGS_FOR_BUILD
    # to our current CFLAGS so that everything will link with other
    # build products. Note that this will generally break
    # cross-compilation, not that it works anyway.
    os.environ['CFLAGS_FOR_BUILD'] = os.environ['CFLAGS']

    # Make sure we don't link against XQuartz whose freetype-config is on PATH
    # when XQuartz is installed by removing it from PATH
    environ_remove('PATH', '/opt/X11/bin')
    return sdkdir


###### End Function Definitions  #######


##### The following configuration can be overridden in custom files ######

# Moduleset to use. You can override this in .jhbuildrc-custom or on
# the command line.
#
moduleset = 'http://gitlab.gnome.org/GNOME/gtk-osx/raw/master/modulesets-stable/gtk-osx.modules'
use_local_modulesets = False
modulesets_dir = ""

# A list of the modules to build. You can override this in
# .jhbuildrc-custom or on the command line.
#
modules = [ 'meta-gtk-osx-bootstrap', 'meta-gtk-osx-gtk3' ]

# A list of modules to skip.
#
# Source and installation locations.
#
_root = os.path.expanduser("~/gtk")
checkoutroot = os.path.join(_root, "source")
prefix = os.path.join(_root, "inst")
_exec_prefix = None
tarballdir = None
# Extra arguments to pass to all autogen.sh scripts.
#
autogenargs=''

# Extra meson args. --wrapmode=nofallback prevents meson projects from
# building dependencies on their own. We generally want failed
# dependencies to error out so that we know to add them to the
# appropriate modules.

mesonargs='--wrap-mode=nofallback'

# Use the included install-check program if available. It won't update
# timestamps if the header hasn't changed, which speeds up builds.
#
_path = os.path.expanduser('~/.local/bin/install-check')
if os.path.exists(_path):
    os.environ['INSTALL'] = _path

_gtk_osx_prompt_prefix = "JH"

_gtk_osx_default_build = ""

#print "Default Architecture %s\n" % _default_arch

if _osx_version < 11.0:
    print("Error: Mac OS X 10.11 or newer is required, exiting.")
    raise SystemExit

###### Import Customizations ######

# Import optional user RC for further customization. You can override
# the prefix or default build setup for example, or CFLAGS or
# module_autogenargs, etc.
#
_this_dir = os.path.dirname(__file__);
_home = os.path.expanduser('~')
_user_config_dir = os.environ.get('XDG_CONFIG_HOME',
                                  os.path.join(_home, '.config'))

_user_rc = ''
if ('JHBUILDRC_CUSTOM' in os.environ and
    os.environ['JHBUILDRC_CUSTOM']):
    _user_rc = os.environ['JHBUILDRC_CUSTOM']
if not os.path.exists(_user_rc):
    _user_rc = os.path.join(_this_dir, 'jhbuildrc-custom');
if not os.path.exists(_user_rc):
    _user_rc = os.path.join(_this_dir, '.jhbuildrc-custom')
if not os.path.exists(_user_rc):
    _user_rc = os.path.join(_user_config_dir, 'jhbuildrc-custom')
if not os.path.exists(_user_rc):
    _user_rc = os.path.join(_user_config_dir, '.jhbuildrc-custom')
if not os.path.exists(_user_rc):
    _user_rc = os.path.join(_home, 'jhbuildrc-custom')
if not os.path.exists(_user_rc):
    _user_rc = os.path.join(_home, '.jhbuildrc-custom')

if os.path.exists(_user_rc):
    exec(compile(open(_user_rc, "rb").read(), _user_rc, 'exec'))

# Allow including different variants depending on the environment
# variable JHB. This can be used to have different setups for SDK
# builds, for example.
#
_build = os.environ.get('JHB', _gtk_osx_default_build)
disable_Werror = False

###### Everything Below Uses (and Overrides) customizations! #######
# jhbuild turns on 'nice' by default ut that messes up some of the
# custom autogen-templates Gtk-OSX needs to use:"
nice_build = False

# Harfbuzz needs to be built twice, once before cairo and again after
# gobject-introspection because cairo needs harfbuzz and
# gobject-introspection needs cairo. The only way to get jhbuild to
# run the configuration for harfbuzz the second time is to set
# alwaysautogen to true.

alwaysautogen = True

# Freetype2 if left to itself will create an install name without the
# path so none of the libraries that depend on it can link. Require
# the install name to be an absolute path.

module_cmakeargs["freetype"] = '-DCMAKE_INSTALL_NAME_DIR="' + os.path.join(prefix, 'lib') + '"'
module_cmakeargs["freetype-no-harfbuzz"] = '-DCMAKE_INSTALL_NAME_DIR="' + os.path.join(prefix, 'lib') + '"'
module_cmakeargs["webkit2gtk3"] = '-DCMAKE_INSTALL_NAME_DIR="' + os.path.join(prefix, 'lib') + '"'

# Check and warn if jhbuild is started from within jhbuild, since that
# will mess up environment variables, especially if different build
# setups are used.
#
_old_prefix = os.environ.get('JHBUILD_PREFIX', "")
_old_build = os.environ.get('JHBUILD_CONFIG', "")
_ran_recursively = _old_prefix != ""
if _ran_recursively:
    if _old_build != _build:
        print("Error: jhbuild is already running with a different build setup, exiting.")
        raise SystemExit

    print("Warning: jhbuild is started from within a jhbuild session.")

if _build != "":
    try:
        exec(compile(open(os.path.join(os.environ['HOME'], '.jhbuildrc-' + _build), "rb").read(), os.path.join(os.environ['HOME'], '.jhbuildrc-' + _build), 'exec'))
    except EnvironmentError as e:
        print("Couldn't find the file '.jhbuildrc-" + _build + "', exiting.")
        raise SystemExit

# The following parameters were set to None at the top of the file;
# they're set here to their default values after processing the
# customizations, but tested to make sure that if they've been
# customized, it will stick.

# Default location for tarball download is into checkoutroot/pkgs. If
# you do multiple builds with different checkoutroots, you'll want to
# override this to somewhere common (~/.local/pkgs is one alternative)
if tarballdir == None:
    tarballdir = os.path.join(checkoutroot, 'pkgs')
# _exec_prefix is used to set $M4 and $LIBTOOLIZE. We set it here to
# prefix if it wasn't over-ridden in .jhbuildrc-custom
if _exec_prefix == None:
    _exec_prefix = prefix


os.environ['PREFIX'] = prefix # Deprecated, please move to JHBUILD_PREFIX.
os.environ['JHBUILD_PREFIX'] = prefix
os.environ['JHBUILD_SOURCE'] = checkoutroot

# Some packages go off and find /usr/lib/gm4, which is broken Note the
# use of _exec_prefix here. By default it's prefix, but you can
# override it to somewhere else in jhbuildrc-custom if you like.
#os.environ["M4"] = _exec_prefix + "/bin/m4"
#os.environ['LIBTOOLIZE'] = _exec_prefix + '/bin/libtoolize'
#Some autogens detect that it's a Mac and use glibtoolize if it's
#available. Override this behavior.
if not ("LIBTOOLIZE" in os.environ and os.environ["LIBTOOLIZE"]):
    environ_append('LIBTOOLIZE', os.path.join(prefix, "bin", "libtoolize"))


# The option "headerpad_max_install_names" is there to leave some room for
# changing the library locations with install_name_tool. Note that GNU
# libtool seems to drop the option if we don't use -W here.
#
environ_append('LDFLAGS', '-Wl,-headerpad_max_install_names')
#environ_append('LDFLAGS', '-Wl,-no_weak_imports')

# Make sure we find our installed modules, and before other versions.
environ_prepend('LDFLAGS', '-L' + prefix + '/lib')
environ_prepend('CPPFLAGS', '-I' + prefix + '/include')

# Make sure that ltdl can find our libraries
addpath("LTDL_LIBRARY_PATH", prefix + "/lib")

# Add additional Perl paths so that our modules can be found.

prependpath('PERL5LIB', prefix + '/lib/perl5/vendor_perl')
prependpath('PERL5LIB', prefix + '/lib/perl5/site_perl')

# Point gtk-doc and other xsltproc users to our XML catalog.
#
_pfx_cat_file = os.path.join(prefix, 'share', 'xml', 'catalog')
if not os.path.exists(_pfx_cat_file):
    os.makedirs(os.path.dirname(_pfx_cat_file))
    open(_pfx_cat_file, "w").close()
if 'XML_CATALOG_FILES' in os.environ:
#    os.environ['XML_CATALOG_FILES'] += ':' + _pfx_cat_file
    pass
else:
    os.environ['XML_CATALOG_FILES'] = _pfx_cat_file

#GConf needs to be built static, overriding the generic autogenargs,
#but including it in the module puts it in front of where autogenargs
#puts --disable-static, so we need the override here.
#
append_autogenargs("gconf", "--enable-static")

if _build:
    if "shell" in sys.argv:
        print("Build setup: %s, prefix: %s" % (_build, prefix))
    os.environ["JHBUILD_CONFIG"] = _build
else:
    if "shell" in sys.argv:
        print("Prefix: %s" % (prefix))

if not _ran_recursively and _gtk_osx_prompt_prefix:
    os.environ["JHBUILD_PROMPT"] = "[" + _gtk_osx_prompt_prefix + "] "

# We want libxml2 to install its python module in $PREFIX even if
# we're not building python because if it tries to install in the
# virtenv site-packages jhbuild will refuse to install it. Ideally
# we'd do this only if not building python because if we do then it
# finds the right place and does the right thing.

# Unfortunately there's no way to get the config object from the
# project to find out if we're building python3. We test the modules
# list here but that's not really reliable because python3 might be
# pulled in as a dependency by another module.

# Note that this will break if there's an undetected python3 build and
# the built python is a different major + minor version from the
# virtenv one.

if ('python3' in modules or 'meta-gtk-osx-python3' in modules or
    'pygments' in modules):
    os.environ['PYTHON'] = os.path.join(prefix, 'bin', 'python3')
    module_extra_env['pkg-config'] = {'PYTHON':sys.executable}
else:
    _python_ver = str(sys.version_info.major) + '.' + str(sys.version_info.minor)
    _python_install_path = os.path.join(prefix, 'lib', 'python' + _python_ver,
                                        'site-packages')
    append_autogenargs('libxml2',
                       '--with-python-install-dir=' + _python_install_path)
    environ_append('PYTHONPATH', _python_install_path, ':')
    _python_library_path = os.path.join(os.environ['PYENV_ROOT'], 'versions',
                                       os.environ['PYENV_VERSION'], 'lib')
    environ_append('LDFLAGS', '-L' + _python_library_path)
    os.environ['PYTHON'] = sys.executable

module_extra_env["pygtk"] = {'PYTHON':os.path.join(prefix, 'bin', 'python2')}
module_extra_env["pygobject2"] = {'PYTHON':os.path.join(prefix, 'bin', 'python2')}
module_extra_env["spidermonkey"] = {'AUTOCONF':'autoconf'}
# Unset this so we don't mess with the check for not starting
# recursively.
os.unsetenv("JHB")

if "shell" in sys.argv:
    print("Entered jhbuild shell, type 'exit' to return.")