emacs flymake helper script for cmake & ninja usage: SOURCE_DIR$ GenerateFlyMakefilesNinja.py BUILD_DIR

GenerateFlyMakefilesNinja.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# emacs flymake helper script for cmake & ninja
import os
import sys

def is_build_dir(build_dir):
    cmakecache = os.path.join(build_dir, 'CMakeCache.txt')
    if os.path.exists(cmakecache):
        return True
    return False

def create_flymakefile(source_dir, build_ninja_path):
    f = open(os.path.join(source_dir, 'Makefile'), 'w')
    f.write('# Generated by GenerateFlyMakefilesNinja.py\n')
    f.write('CXX_DEFINES=$(shell grep -m1 -A1 ${CHK_SOURCES} %s | grep DEFINES | sed "s/.\+DEFINES = //g")\n' % build_ninja_path)
    f.write('CXX_FLAGS=$(shell grep -m1 -A3 ${CHK_SOURCES} %s | grep FLAGS | sed "s/.\+FLAGS = //g")\n' % build_ninja_path)
    f.write('check-syntax:\n')
    f.write('\tc++ -o /dev/null ${CXX_FLAGS} ${CXX_DEFINES} -S ${CHK_SOURCES}\n')
    f.write('.PHONY: check-syntax\n')
    f.close()

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print '''usage:
        GenerateFlyMakefilesNinja.py BUILD_DIR'''
        sys.exit(-1)

    SOURCE_DIR = '.'
    BUILD_DIR = os.path.abspath(sys.argv[1])

    if not is_build_dir(BUILD_DIR):
        print '%s does not include CMakeCache.txt' % BUILD_DIR
        sys.exit(-1)

    build_ninja_path = BUILD_DIR + '/build.ninja'

    for root, dirs, files in os.walk(SOURCE_DIR):
        if not "CMakeLists.txt" in files:
            continue
        create_flymakefile(root, build_ninja_path)