2 # GObject-Introspection - a framework for introspecting GObject libraries
3 # Copyright (C) 2008 Colin Walters
4 # Copyright (C) 2008 Johan Dahlin
6 # This library is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU Lesser General Public
8 # License as published by the Free Software Foundation; either
9 # version 2 of the License, or (at your option) any later version.
11 # This library is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # Lesser General Public License for more details.
16 # You should have received a copy of the GNU Lesser General Public
17 # License along with this library; if not, write to the
18 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 # Boston, MA 02111-1307, USA.
26 from .glibtransformer import IntrospectionBinary
27 from .utils import get_libtool_command
29 # bugzilla.gnome.org/558436
30 # Compile a binary program which is then linked to a library
31 # we want to introspect, in order to call its get_type functions.
33 _PROGRAM_TEMPLATE = '''/* This file is generated, do not edit */
35 #include <girepository.h>
38 static GOptionEntry entries[] =
44 main(int argc, char **argv)
46 GOptionContext *context;
49 if (!g_thread_supported ()) g_thread_init (NULL);
52 context = g_option_context_new ("");
53 g_option_context_add_main_entries (context, entries, "girepository-1.0");
54 g_option_context_add_group (context, g_irepository_get_option_group ());
55 if (!g_option_context_parse (context, &argc, &argv, &error))
57 g_printerr ("introspect failed (%d,%d): %s\\n",
58 error->domain, error->code,
67 class CompilerError(Exception):
71 class LinkerError(Exception):
75 class DumpCompiler(object):
77 def __init__(self, options, get_type_functions):
78 self._options = options
79 self._get_type_functions = get_type_functions
80 # We have to use the current directory to work around Unix
81 # sysadmins who mount /tmp noexec
82 self._tmpdir = tempfile.mkdtemp('', 'tmp-introspect', dir=os.getcwd())
84 self._compiler_cmd = os.environ.get('CC', 'gcc')
85 self._linker_cmd = os.environ.get('CC', self._compiler_cmd)
86 self._pkgconfig_cmd = os.environ.get('PKG_CONFIG', 'pkg-config')
88 self._uninst_srcdir = os.environ.get(
89 'UNINSTALLED_INTROSPECTION_SRCDIR')
90 self._packages = ['gio-2.0 gthread-2.0']
91 if not self._uninst_srcdir:
92 self._packages.append('gobject-introspection-1.0')
97 c_path = self._generate_tempfile('.c')
99 f.write(_PROGRAM_TEMPLATE)
101 # We need to reference our get_type functions to make sure they are
102 # pulled in at the linking stage if the library is a static library
103 # rather than a shared library.
104 if len(self._get_type_functions) > 0:
105 for func in self._get_type_functions:
106 f.write("extern GType " + func + "(void);\n")
107 f.write("GType (*GI_GET_TYPE_FUNCS_[])(void) = {\n")
109 for func in self._get_type_functions:
118 o_path = self._generate_tempfile('.o')
119 bin_path = self._generate_tempfile()
122 self._compile(o_path, c_path)
123 except CompilerError, e:
124 raise SystemExit('ERROR: ' + str(e))
127 self._link(bin_path, o_path)
128 except LinkerError, e:
129 raise SystemExit('ERROR: ' + str(e))
133 return IntrospectionBinary([bin_path], self._tmpdir)
137 def _generate_tempfile(self, suffix=''):
138 tmpl = '%s-%s%s' % (self._options.namespace_name,
139 self._options.namespace_version, suffix)
140 return os.path.join(self._tmpdir, tmpl)
142 def _run_pkgconfig(self, flag):
143 proc = subprocess.Popen(
144 [self._pkgconfig_cmd, flag] + self._packages,
145 stdout=subprocess.PIPE)
146 return proc.communicate()[0].split()
148 def _compile(self, output, *sources):
149 # Not strictly speaking correct, but easier than parsing shell
150 args = self._compiler_cmd.split()
151 if self._compiler_cmd == 'gcc':
153 pkgconfig_flags = self._run_pkgconfig('--cflags')
154 if self._uninst_srcdir:
155 args.append('-I' + os.path.join(self._uninst_srcdir,
157 args.extend(pkgconfig_flags)
158 cflags = os.environ.get('CFLAGS')
160 for iflag in cflags.split():
162 for include in self._options.cpp_includes:
163 args.append('-I' + include)
164 args.extend(['-c', '-o', output])
165 for source in sources:
166 if not os.path.exists(source):
168 "Could not find c source file: %s" % (source, ))
169 args.extend(list(sources))
170 subprocess.check_call(args)
172 def _link(self, output, *sources):
174 libtool = get_libtool_command(self._options)
177 args.append('--mode=link')
178 args.append('--tag=CC')
179 args.append('--silent')
181 args.extend([self._linker_cmd, '-o', output])
183 cflags = os.environ.get('CFLAGS')
185 for iflag in cflags.split():
188 # Make sure to list the library to be introspected first since it's
189 # likely to be uninstalled yet and we want the uninstalled RPATHs have
190 # priority (or we might run with installed library that is older)
192 # Search the current directory first
195 uninst_builddir = os.environ.get('UNINSTALLED_INTROSPECTION_BUILDDIR')
196 # hack for building GIRepository.gir, skip -lgirepository-1.0 since
197 # libgirepository-1.0.la is not in current directory and we refer to it
198 # explicitly below anyway
199 for library in self._options.libraries:
200 if (uninst_builddir and
201 self._options.libraries[0] == 'girepository-1.0'):
203 if library.endswith(".la"): # explicitly specified libtool library
206 args.append('-l' + library)
208 # hack for building gobject-introspection itself
210 path = os.path.join(uninst_builddir, 'girepository',
211 'libgirepository-1.0.la')
214 args.extend(self._run_pkgconfig('--libs'))
215 for source in sources:
216 if not os.path.exists(source):
218 "Could not find object file: %s" % (source, ))
219 args.extend(list(sources))
221 subprocess.check_call(args)
224 def compile_introspection_binary(options, get_type_functions):
225 dc = DumpCompiler(options, get_type_functions)