1 files changed, 126 insertions, 0 deletions
diff --git a/tools/defcheck.py b/tools/defcheck.py
new file mode 100755
index 0000000..36a0179
--- /dev/null
+++ b/tools/defcheck.py
@@ -0,0 +1,126 @@
+#!/usr/bin/env python2
+
+"""
+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 <https://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)