Added Albert Chin-A-Young's setup.py code to check options/environment variables

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@297 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/dist/setup.py

@@ -9,6 +9,38 @@ if sys.version_info[:2] < (2,2):
 	print "Sorry, rdiff-backup requires version 2.2 or later of python"
 	sys.exit(1)
 
+# Defaults
+lflags_arg = []
+libname = ['rsync']
+incdir_list = libdir_list = None
+
+if os.name == 'posix':
+	LIBRSYNC_DIR = os.environ.get('LIBRSYNC_DIR', '')
+	LFLAGS = os.environ.get('LFLAGS', [])
+	LIBS = os.environ.get('LIBS', [])
+
+	# Handle --librsync-dir=[PATH] and --lflags=[FLAGS]
+	args = sys.argv[:]
+	for arg in args:
+		if arg.startswith('--librsync-dir='):
+			LIBRSYNC_DIR = arg.split('=')[1]
+			sys.argv.remove(arg)
+		elif arg.startswith('--lflags='):
+			LFLAGS = arg.split('=')[1].split()
+			sys.argv.remove(arg)
+		elif arg.startswith('--libs='):
+			LIBS = arg.split('=')[1].split()
+			sys.argv.remove(arg)
+
+		if LFLAGS or LIBS:
+			lflags_arg = LFLAGS + LIBS
+
+		if LIBRSYNC_DIR:
+			incdir_list = [os.path.join(LIBRSYNC_DIR, 'include')]
+			libdir_list = [os.path.join(LIBRSYNC_DIR, 'lib')]
+		if '-lrsync' in LIBS:
+			libname = []
+
 setup(name="rdiff-backup",
 	  version=version_string,
 	  description="Local/remote mirroring+incremental backup",
@@ -19,11 +51,12 @@ setup(name="rdiff-backup",
 	  ext_modules = [Extension("rdiff_backup.C", ["cmodule.c"]),
 					 Extension("rdiff_backup._librsync",
 							   ["_librsyncmodule.c"],
-							   libraries=["rsync"])],
+							   include_dirs=incdir_list,
+							   library_dirs=libdir_list,
+							   libraries=libname,
+							   extra_link_args=lflags_arg)],
 	  scripts = ['rdiff-backup'],
 	  data_files = [('share/man/man1', ['rdiff-backup.1']),
-					('share/doc/rdiff-backup-%s' % version_string,
+					('share/doc/rdiff-backup-%s' % (version_string,),
 					 ['CHANGELOG', 'COPYING', 'README', 'FAQ.html'])])
 
-
-