Use .dll as library file extension on Cygwin and Windows.

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@823 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

 New in v1.1.12 (????/??/??)
 ---------------------------
 
+Use .dll as library file extension on Cygwin and Windows. (Andrew Ferguson)
+
 Avoid setting permissions to 000 because they're out of sync. (Andrew Ferguson)
 
 listxattr() can also throw EPERM error if not supported. (Andrew Ferguson)

trunk/rdiff-backup/rdiff_backup/compilec.py

-#!/usr/bin/env python
+#!/usr/bin/env python2.5
 
 import sys, os
 from distutils.core import setup, Extension
@@ -19,8 +19,10 @@ def get_libraries():
 	lib_dirs = filter(lambda x: x.startswith("lib"), build_files)
 	assert len(lib_dirs) == 1, "No library directory or too many"
 	libdir = lib_dirs[0]
-	clib = os.path.join("build", libdir, "C.so")
-	rsynclib = os.path.join("build", libdir, "_librsync.so")
+	if sys.platform == "cygwin" or os.name == "nt": libext = "dll"
+	else: libext = "so"
+	clib = os.path.join("build", libdir, "C." + libext)
+	rsynclib = os.path.join("build", libdir, "_librsync." + libext)
 	try:
 		os.lstat(clib)
 		os.lstat(rsynclib)