Enhance make-version-script.py to produce dpkg symbols files too

20080606140226-53eee-d4fc7b63551218e38214902963e625204be0fc7e.gz

1 files changed, 67 insertions, 21 deletions

diff --git a/tools/make-version-script.py b/tools/make-version-script.py
index 9b0853f75..5f704c7dd 100644
--- a/tools/make-version-script.py
+++ b/tools/make-version-script.py
@@ -1,9 +1,12 @@
 #!/usr/bin/python
 
-"""Construct a GNU ld version-script from a set of RFC822-style symbol lists.
+"""Construct a GNU ld or Debian dpkg version-script from a set of
+RFC822-style symbol lists.
 
 Usage:
     make-version-script.py [--symbols SYMBOLS] [--unreleased-version VER]
+        [--dpkg "LIBRARY.so.0 LIBRARY0 #MINVER#"]
+        [--dpkg-build-depends-package LIBRARY-dev]
         [FILES...]
 
 Each FILE starts with RFC822-style headers "Version:" (the name of the
@@ -18,6 +21,9 @@ the library (one per line). If --unreleased-version is given, any symbols
 in SYMBOLS but not in FILES are assigned to that version; otherwise, any
 such symbols cause an error.
 
+If --dpkg is given, produce a Debian dpkg symbols file instead of a
+
+
 This script originates in telepathy-glib <http://telepathy.freedesktop.org/> -
 please send us any changes that are needed.
 """
@@ -38,8 +44,10 @@ def e(format, *args):
     sys.stderr.write((format + '\n') % args)
 
 
-def main(abifiles, symbols=None, unreleased_version=None):
+def main(abifiles, symbols=None, unreleased_version=None,
+         dpkg=False, dpkg_first_line=None, dpkg_build_depends_package=None):
 
+    gnuld = not dpkg
     symbol_set = None
 
     if symbols is not None:
@@ -49,11 +57,21 @@ def main(abifiles, symbols=None, unreleased_version=None):
 
     versioned_symbols = set()
 
+    dpkg_symbols = []
+    dpkg_versions = []
+
+    if dpkg:
+        assert dpkg_first_line is not None
+        print dpkg_first_line
+        if dpkg_build_depends_package is not None:
+            print "* Build-Depends-Package: %s" % dpkg_build_depends_package
+
     for filename in abifiles:
         lines = open(filename, 'r').readlines()
 
         version = None
         extends = None
+        release = None
 
         for i, line in enumerate(lines):
             line = line.strip()
@@ -73,7 +91,7 @@ def main(abifiles, symbols=None, unreleased_version=None):
                 extends = line
                 continue
             elif line.lower().startswith('release:'):
-                # skip it
+                release = line[8:].strip()
                 continue
             else:
                 e('Could not understand line in %s header: %s', filename, line)
@@ -91,10 +109,18 @@ def main(abifiles, symbols=None, unreleased_version=None):
             e('No Extends: header in %s', filename)
             raise SystemExit(1)
 
+        if release is None and dpkg:
+            e('No Release: header in %s', filename)
+            raise SystemExit(1)
+
+        if dpkg:
+            dpkg_versions.append('%s@%s %s' % (version, version, release))
+
         lines = lines[cut:]
 
-        print "%s {" % version
-        print "    global:"
+        if gnuld:
+            print "%s {" % version
+            print "    global:"
 
         for symbol in lines:
             symbol = symbol.strip()
@@ -102,17 +128,31 @@ def main(abifiles, symbols=None, unreleased_version=None):
             if symbol.startswith('#'):
                 continue
 
-            print "        %s;" % symbol
+            if gnuld:
+                print "        %s;" % symbol
+            elif dpkg:
+                dpkg_symbols.append('%s@%s %s' % (symbol, version, release))
+
             versioned_symbols.add(symbol)
 
-        if extends == '-':
-            print "    local:"
-            print "        *;"
-            print "};"
-        else:
-            print "} %s;" % extends
+        if gnuld:
+            if extends == '-':
+                print "    local:"
+                print "        *;"
+                print "};"
+            else:
+                print "} %s;" % extends
+                print
+
+    if dpkg:
+        dpkg_symbols.sort()
+        dpkg_versions.sort()
+
+        for x in dpkg_versions:
+            print " %s" % x
 
-        print
+        for x in dpkg_symbols:
+            print " %s" % x
 
     if symbol_set is not None:
         missing = versioned_symbols - symbol_set
@@ -136,22 +176,28 @@ def main(abifiles, symbols=None, unreleased_version=None):
 
                 raise SystemExit(1)
 
-            print "%s {" % unreleased_version
-            print "    global:"
+            if gnuld:
+                print "%s {" % unreleased_version
+                print "    global:"
 
-            for symbol in unreleased:
-                print "        %s;" % symbol
+                for symbol in unreleased:
+                    print "        %s;" % symbol
 
-            print "} %s;" % version
+                print "} %s;" % version
 
 
 if __name__ == '__main__':
     options, argv = gnu_getopt (sys.argv[1:], '',
-                                ['symbols=', 'unreleased-version='])
+                                ['symbols=', 'unreleased-version=',
+                                 'dpkg=', 'dpkg-build-depends-package='])
 
-    opts = {}
+    opts = {'dpkg': False}
 
     for option, value in options:
-        opts[option.lstrip('-').replace('-', '_')] = value
+        if option == '--dpkg':
+            opts['dpkg'] = True
+            opts['dpkg_first_line'] = value
+        else:
+            opts[option.lstrip('-').replace('-', '_')] = value
 
     main(argv, **opts)