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#!/usr/bin/env python
"""
defcheck.py -- Consistency check for the .def files.
Copyright (C) 2006 Simon Budig <simon@gimp.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
This is a hack to check the consistency of the .def files compared to
the respective libraries.
Invoke in the top level of the gimp source tree after compiling GIMP.
If srcdir != builddir, run it in the build directory and pass the name
of the source directory on the command-line.
Needs the tool "nm" to work
"""
import sys, commands
from os import path
def_files = (
"libgimpbase/gimpbase.def",
"libgimpcolor/gimpcolor.def",
"libgimpconfig/gimpconfig.def",
"libgimp/gimp.def",
"libgimp/gimpui.def",
"libgimpmath/gimpmath.def",
"libgimpmodule/gimpmodule.def",
"libgimpthumb/gimpthumb.def",
"libgimpwidgets/gimpwidgets.def"
)
have_errors = 0
srcdir = None
if len(sys.argv) > 1:
srcdir = sys.argv[1]
if not path.exists(srcdir):
print "Directory '%s' does not exist" % srcdir
sys.exit (-1)
for df in def_files:
directory, name = path.split (df)
basename, extension = name.split (".")
libname = path.join(directory, ".libs", "lib" + basename + "-*.so")
filename = df
if srcdir:
filename = path.join(srcdir, df)
try:
defsymbols = file (filename).read ().split ()[1:]
except IOError, message:
print message
if not srcdir:
print "You should run this script from the toplevel source directory."
sys.exit (-1)
doublesymbols = []
for i in range (len (defsymbols)-1, 0, -1):
if defsymbols[i] in defsymbols[:i]:
doublesymbols.append ((defsymbols[i], i+2))
unsortindex = -1
for i in range (len (defsymbols)-1):
if defsymbols[i] > defsymbols[i+1]:
unsortindex = i+1
break;
status, nm = commands.getstatusoutput ("nm --defined-only --extern-only " +
libname)
if status != 0:
print "trouble reading %s - has it been compiled?" % libname
continue
nmsymbols = nm.split()[2::3]
nmsymbols = [s for s in nmsymbols if s[0] != '_']
missing_defs = [s for s in nmsymbols if s not in defsymbols]
missing_nms = [s for s in defsymbols if s not in nmsymbols]
if unsortindex >= 0 or missing_defs or missing_nms or doublesymbols:
print
print "Problem found in", filename
if missing_defs:
print " the following symbols are in the library,"
print " but are not listed in the .def-file:"
for s in missing_defs:
print " +", s
print
if missing_nms:
print " the following symbols are listed in the .def-file,"
print " but are not exported by the library."
for s in missing_nms:
print " -", s
print
if doublesymbols:
print " the following symbols are listed multiple times in the .def-file,"
for s in doublesymbols:
print " : %s (line %d)" % s
print
if unsortindex >= 0:
print " the .def-file is not properly sorted (line %d)" % (unsortindex + 2)
print
have_errors = -1
sys.exit (have_errors)
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