#! ./waf# encoding: utf-8 import subprocess, sysfrom waflib import Logs top = '.'out = 'build' def options(opt):    opt.add_option('--debug', action='store_true', default=False,                   dest='debug', help='Compile-in debug facilities')     opt.add_option('--no-werror', action='store_false', default=True,                   dest='werror', help='Treat warnings as errors')     opt.load('compiler_cxx')     opt.recurse('src') def configure(cfg):    vsn = cmd("(git checkout -- version.txt && " +              "git describe --tags --dirty) 2>/dev/null || cat version.txt")    with open("version.txt", 'w') as f: f.write(vsn + '\n')    cfg.msg('Zutty version', vsn)    if cfg.options.debug:        vsn = vsn + '-DEBUG'     cfg.msg('Debug build', "yes" if cfg.options.debug else "no")     cfg.load('compiler_cxx')     cfg.env.append_value('CXXFLAGS',       ['-std=c++14',        '-fno-omit-frame-pointer',        '-fsigned-char',        '-Wall',        '-Wextra',        '-Wsign-compare',        '-Wno-unused-parameter',        '-DZUTTY_VERSION="{}"'.format (vsn)        ])     platform = cmd("uname -s")    cfg.msg('Target platform', platform)    if platform == 'Linux':        cfg.env.append_value('CXXFLAGS', ['-DLINUX'])    elif platform == 'FreeBSD':        cfg.env.append_value('CXXFLAGS',                             ['-DBSD', '-DFREEBSD', '-I/usr/local/include'])        cfg.env.append_value('LINKFLAGS', ['-L/usr/local/lib'])    elif platform == 'OpenBSD':        cfg.env.append_value('CXXFLAGS',                             ['-DBSD', '-DOPENBSD', '-I/usr/X11R6/include'])        cfg.env.append_value('LINKFLAGS', ['-L/usr/X11R6/lib'])    elif platform == 'NetBSD':        cfg.env.append_value('CXXFLAGS', ['-DBSD', '-DNETBSD'])    elif platform == 'Darwin':        cfg.env.append_value('CXXFLAGS', ['-DMACOS'])    elif platform == 'SunOS':        cfg.env.append_value('CXXFLAGS', ['-DSOLARIS'])    elif platform == 'GNU/kFreeBSD':        cfg.env.append_value('CXXFLAGS', ['-DBSD'])    elif platform == 'GNU':        cfg.env.append_value('CXXFLAGS', ['-DGNU'])    else:        Logs.error ('Unknown platform: {}'.format (platform))        sys.exit (1)     if cfg.options.debug:        cfg.env.target = 'zutty.dbg'        cfg.env.append_value('CXXFLAGS',           ['-DDEBUG', '-Og', '-g', '-ggdb'])    else:        cfg.env.target = 'zutty'        cfg.env.append_value('CXXFLAGS',           ['-Werror', '-O3', '-flto'])        cfg.env.append_value('LINKFLAGS',           ['-flto'])     cfg.check_cfg(package='freetype2', args=['--cflags', '--libs'],                  uselib_store='FT')     cfg.check_cfg(package='xmu', args=['--cflags', '--libs'],                  uselib_store='XMU')     cfg.check_cxx(header_name='EGL/egl.h')    cfg.check_cxx(header_name='GLES3/gl31.h')    cfg.check_cxx(lib='EGL', uselib_store='EGL')    cfg.check_cxx(lib='GLESv2', uselib_store='GLES')    cfg.check_cxx(lib='pthread', uselib_store='THREAD')     cfg.recurse('src') def build(bld):    bld.recurse('src') def cmd(s):    # Try to cover all relevant Python versions (2.7 - 3.8+)    if (100 * sys.version_info.major + sys.version_info.minor >= 305):        proc = subprocess.run(s, shell=True, check=True,                              stdout=subprocess.PIPE, universal_newlines=True)        return proc.stdout.strip('\r\n')    else:        return subprocess.check_output(s, shell=True).strip('\r\n')