Add meson build system

1 files changed, 45 insertions, 0 deletions

diff --git a/contrib/meson/GetLz4LibraryVersion.py b/contrib/meson/GetLz4LibraryVersion.py
new file mode 100644
index 0000000..e929f95
--- /dev/null
+++ b/contrib/meson/GetLz4LibraryVersion.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# #############################################################################
+# Copyright (c) 2018-present    lzutao <taolzu(at)gmail.com>
+# All rights reserved.
+#
+# This source code is licensed under both the BSD-style license (found in the
+# LICENSE file in the root directory of this source tree) and the GPLv2 (found
+# in the COPYING file in the root directory of this source tree).
+# #############################################################################
+import re
+import sys
+
+
+def usage():
+  print('usage: python3 GetLz4LibraryVersion.py <path/to/lz4.h>')
+  sys.exit(1)
+
+
+def find_version(filepath):
+  version_file_data = None
+  with open(filepath) as fd:
+    version_file_data = fd.read()
+
+  patterns = r"""#\s*define\s+LZ4_VERSION_MAJOR\s+([0-9]+).*$
+#\s*define\s+LZ4_VERSION_MINOR\s+([0-9]+).*$
+#\s*define\s+LZ4_VERSION_RELEASE\s+([0-9]+).*$
+"""
+  regex = re.compile(patterns, re.MULTILINE)
+  version_match = regex.search(version_file_data)
+  if version_match:
+    return version_match.groups()
+  raise Exception("Unable to find version string.")
+
+
+def main():
+  if len(sys.argv) < 2:
+    usage()
+
+  filepath = sys.argv[1]
+  version_tup = find_version(filepath)
+  print('.'.join(version_tup))
+
+
+if __name__ == '__main__':
+  main()