CMake gen

#!/usr/bin/env python

import sys
import os
import re

include_dirs = set()
source_files = set()

def _search(path):
    # print(path)
    for file in os.listdir(path):
        if (file == ".") or (file == ".."):
            continue

        full_name = os.path.join(path, file)
        if os.path.isdir(full_name) and not os.path.islink(path):
            _search(full_name)

        if re.search("\\.(c|cpp|cxx)$", file) is not None:
            source_files.add(full_name)
        elif re.search("\\.(h|hpp)$", file) is not None:
            include_dirs.add(path)

if len(sys.argv) < 2:
    print("Usage " + sys.argv[0] + " <path>")
    sys.exit(1)

start_path = sys.argv[1]
_search(start_path)

print("cmake_minimum_required(VERSION 2.8)")
print("project(z_project)")

skip_chars = len(start_path) + 1

for dir in sorted(include_dirs):
    print("include_directories(" + dir[skip_chars:] + ")")

print("add_executable(z_executable")
for file in sorted(source_files):
    print("  " + file[skip_chars:])
print(")")