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# -*- Mode: Python -*-
# GObject-Introspection - a framework for introspecting GObject libraries
# Copyright (C) 2014 Chun-wei Fan
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
import os
import subprocess
import sys
import distutils
from distutils.msvccompiler import MSVCCompiler
from distutils.cygwinccompiler import Mingw32CCompiler
from distutils.sysconfig import customize_compiler
from . import utils
class CCompiler(object):
compiler_cmd = ''
compiler = None
_cflags_no_deprecation_warnings = ''
def __init__(self, compiler_name=None):
pass
def get_internal_link_flags(self,
args,
libtool,
libraries,
libpaths,
pkgconfig_msvc_flags,
ns,
ns_version):
# An "internal" link is where the library to be introspected
# is being built in the current directory.
# Search the current directory first
# (This flag is not supported nor needed for Visual C++)
if pkgconfig_msvc_flags == '':
args.append('-L.')
# https://bugzilla.gnome.org/show_bug.cgi?id=625195
if not libtool:
# We don't have -Wl,-rpath for Visual C++, and that's
# going to cause a problem. Instead, link to internal
# libraries by deducing the .lib file name using
# the namespace name and version
if pkgconfig_msvc_flags:
if ns_version:
args.append(str.lower(ns) +
'-' +
ns_version + '.lib')
else:
args.append(str.lower(ns) + '.lib')
else:
args.append('-Wl,-rpath=.')
# Ensure libraries are always linked as we are going to use ldd to work
# out their names later
if not libtool and pkgconfig_msvc_flags == '':
args.append('-Wl,--no-as-needed')
for library in libraries:
# Visual C++: We have the needed .lib files now, and we need to link
# to .lib files, not the .dll as the --library option specifies the
# .dll(s) the .gir file refers to
if pkgconfig_msvc_flags == '':
if library.endswith(".la"): # explicitly specified libtool library
args.append(library)
else:
args.append('-l' + library)
for library_path in libpaths:
# Not used/needed on Visual C++, and -Wl,-rpath options
# will cause grief
if pkgconfig_msvc_flags == '':
args.append('-L' + library_path)
if os.path.isabs(library_path):
if libtool:
args.append('-rpath')
args.append(library_path)
else:
args.append('-Wl,-rpath=' + library_path)
def get_external_link_flags(self, args, libraries, pkgconfig_msvc_flags):
# An "external" link is where the library to be introspected
# is installed on the system; this case is used for the scanning
# of GLib in gobject-introspection itself.
for library in libraries:
# The --library option on Windows pass in the .dll file(s) the
# .gir files refer to, so don't link to them on Visual C++
if pkgconfig_msvc_flags == '':
if library.endswith(".la"): # explicitly specified libtool library
args.append(library)
else:
args.append('-l' + library)
def resolve_windows_libs(self, libraries, options):
args = []
compiler_cmd = os.environ.get('CC', 'cc')
libsearch = []
# When we are using Visual C++...
if 'cl.exe' in compiler_cmd or 'cl' in compiler_cmd:
# The search path of the .lib's on Visual C++
# is dependent on the LIB environmental variable,
# so just query for that
is_msvc = True
libpath = os.environ.get('LIB')
libsearch = libpath.split(';')
# Use the dumpbin utility that's included in
# every Visual C++ installation to find out which
# DLL the library gets linked to
args.append('dumpbin.exe')
args.append('-symbols')
# When we are not using Visual C++ (i.e. we are using GCC)...
else:
is_msvc = False
libtool = get_libtool_command(options)
if libtool:
args.append(which(os.environ.get('SHELL', 'sh.exe')))
args.extend(libtool)
args.append('--mode=execute')
# FIXME: it could have prefix (i686-w64-mingw32-dlltool.exe)
args.extend(['dlltool.exe', '--identify'])
proc = subprocess.Popen([compiler_cmd, '-print-search-dirs'],
stdout=subprocess.PIPE)
o, e = proc.communicate()
for line in o.splitlines():
if line.startswith('libraries: '):
libsearch = line[len('libraries: '):].split(';')
shlibs = []
not_resolved = []
for lib in libraries:
found = False
candidates = [
'lib%s.dll.a' % lib,
'lib%s.a' % lib,
'%s.dll.a' % lib,
'%s.a' % lib,
'%s.lib' % lib,
]
for l in libsearch:
if found:
break
if l.startswith('='):
l = l[1:]
for c in candidates:
if found:
break
implib = os.path.join(l, c)
if os.path.exists(implib):
proc = subprocess.Popen(args + [implib],
stdout=subprocess.PIPE)
o, e = proc.communicate()
for line in o.splitlines():
if is_msvc:
# On Visual Studio, dumpbin -symbols something.lib gives the
# filename of DLL without the '.dll' extension that something.lib
# links to, in the line that contains
# __IMPORT_DESCRIPTOR_<dll_filename_that_something.lib_links_to>
if '__IMPORT_DESCRIPTOR_' in line:
line_tokens = line.split()
for item in line_tokens:
if item.startswith('__IMPORT_DESCRIPTOR_'):
shlibs.append(item[20:] + '.dll')
found = True
break
if found:
break
else:
shlibs.append(line)
found = True
break
if not found:
not_resolved.append(lib)
if len(not_resolved) > 0:
raise SystemExit(
"ERROR: can't resolve libraries to shared libraries: " +
", ".join(not_resolved))
return shlibs
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