dolphin/SconsTests/wxconfig.py

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#
# SCons python library: wxWidgets configuration
#
# \author Willem van Engen <wvengen@stack.nl>
# \date created 2006/10/16
# \version v 1.3.2.2 2006/11/24 14:26:47 willem Exp
#
import os, os.path
import re
import glob
import string
# Runs a system command and returns return value and output
def SystemBacktick(program):
# Run and return result
pipe = os.popen(program + ' 2>&1') # TODO: properly redirect stderr to stdout
output = pipe.read()
retcode = pipe.close() or 0
return [retcode, output]
def SystemWXConfig(env, args):
if env['PLATFORM'] == 'win32':
return SystemBacktick(env['wxconfig']+' --wxcfg='+env['ENV']['WXCFG']+' '+args+env['wxconfig_postargs'])
else:
return SystemBacktick(env['wxconfig']+' '+args+env['wxconfig_postargs'])
# Check version of wx-config
# It succeeds with a warning if version check failed.
def CheckWXConfigVersion(context, version):
releaseversion = SystemWXConfig(context.env,'--release')[1]
try:
if float(version) > float(releaseversion.strip()):
return False
except (ValueError, TypeError):
context.Message('version check failed, but ok... ')
return True
return True
# Check if requested components exist in wxWidgets
def CheckWXConfigComponents(context, libraries):
# set components, method depending on wxWidgets version
if CheckWXConfigVersion(context, '2.6'):
context.env['wxconfig_postargs'] += ' '+string.join(libraries,',')
return SystemWXConfig(context.env, '--libs ')[0] == 0
# version 2.4 or below, only gl is an optional component with special flag
if 'gl' in libraries:
context.env['wxconfig'] += ' --gl-libs'
return SystemWXConfig(context.env, '--libs')[0] == 0
# no optional components can be checked, it should be allright
return True
# Find wx-config with suitable settings. It tries to use a debug configuration if requested,
# but reverts to release or default when that fails.
def CheckWXConfigWin(context, version, debug):
context.Message('Checking for wxWidgets >= %s... '%version)
# Some environment variables are required for wx-config to work, check them.
if 'WXWIN' not in context.env['ENV']:
# TODO: maybe try some default location like "C:\Program Files\wxWidgets-*" or registry
context.Message('please set WXWIN in environment... ')
return False
# If there's no WXCFG, either there is only one config or we try to find out.
if 'WXCFG' not in context.env['ENV']:
# TODO: try to find one in some sensible order from alternatives
# Current guess is: visual studio static, non-unicode
# Try debugging version first if requested, else fallback to release
if debug:
context.env['ENV']['WXCFG'] = 'vc_lib\mswd'
if SystemWXConfig(context.env,'--libs')[0] == 0:
return CheckWXConfigVersion(context, version)
# Non-debug
context.env['ENV']['WXCFG'] = 'vc_lib\msw'
if SystemWXConfig(context.env,'--libs')[0] == 0:
# this is the only configuration: use it
return CheckWXConfigVersion(context, version)
context.Message('please set WXCFG in environment... ')
return False
# WXCFG is in environment, nice.
# Try a debugging version if requested: postfix WXCFG with 'd'
if debug:
oldwxcfg = context.env['ENV']['WXCFG']
context.env['ENV']['WXCFG'] += 'd'
if SystemWXConfig(context.env,'--libs')[0] == 0:
return CheckWXConfigVersion(context, version)
# Failed: revert to plain WXCFG, use existing environment
context.env['ENV']['WXCFG'] = oldwxcfg
if SystemWXConfig(context.env,'--libs')[0] == 0:
return CheckWXConfigVersion(context, version)
# Everything failed ...
return False
def CheckWXConfigPosixFind(context, debug):
# Find a wx-config compatible pathname
# wx*-config --> wx*-[0-9]+\.[0-9]+-config / wx<platform>-<version>-config
if (context.env['wxconfig']):
return context.env['wxconfig']
dbglist = []
rellist = []
cfgre = re.compile('.*?\/wx(\w+?)(d?)-(\d+\.\d+)-config')
for dir in context.env['ENV']['PATH'].split(':'):
for cfgprog in glob.glob(os.path.join(dir,'wx*-config')):
m = cfgre.match(cfgprog)
if m and not m.group(1) == 'base':
# add to either debug or release list
if m.group(2) == 'release':
rellist.append(cfgprog)
else:
dbglist.append(cfgprog)
# TODO: sort on version
# Now pick the right one
if debug and len(dbglist)>0:
return dbglist[0]
if len(rellist)>0:
return rellist[0]
# Too bad
return False
def CheckWXConfigPosix(context, version, debug):
# TODO: try several wx-config names
context.Message('Checking for wxWidgets >= %s... '%version)
# If supplied wx-config doesn't work, try to find another one
if SystemWXConfig(context.env,'--libs')[0] != 0:
wx_prog = CheckWXConfigPosixFind(context, debug)
if not wx_prog:
context.Message('not found... ')
return False
context.env['wxconfig'] = wx_prog
if not debug:
return CheckWXConfigVersion(context, version)
# use `wx-config --debug` if it's in its help
helpoutput = SystemWXConfig(context.env,'--help')[1]
if helpoutput.find('--debug') != -1:
context.Message('--debug')
if SystemWXConfig(context.env,'--debug --libs')[0] == 0:
context.env['wxconfig'] = context.env['wxconfig'] +' --debug'
return CheckWXConfigVersion(context, version)
# If it's plain wx-config, we may need to look for another one for debugging
if context.env['wxconfig'] == 'wx-config':
wx_prog = CheckWXConfigPosixFind(context, debug)
if wx_prog:
context.env['wxconfig'] = wx_prog
# TODO: possibly warning message when using release instead of debug
return CheckWXConfigVersion(context, version)
def CheckWXConfig(context, version, components, debug = False):
context.env['wxconfig_postargs']= ''
# Try to find it in path
try:
context.env['wxconfig']
except KeyError:
wx_prog = context.env.WhereIs('wx-config')
if wx_prog == None:
# You could supply wx-config.exe as a fallback option.
#wx_prog = os.path.join('scons','wx-config')
context.Message('wx-config not found...')
return False
context.env['wxconfig'] = wx_prog
# Get wx-config invocation and check version
if context.env['PLATFORM'] == 'win32':
res = CheckWXConfigWin(context, version, debug)
else:
res = CheckWXConfigPosix(context, version, debug)
# Make sure we have the required libraries
if res:
res = CheckWXConfigComponents(context, components)
if not res:
context.Message('not all components found ['+string.join(components,',')+']... ')
context.Result(res)
return int(res)
def ParseWXConfig(env):
# Windows doesn't work with ParseConfig (yet) :(
if env['PLATFORM'] == 'win32':
# Use wx-config, yay!
# ParseConfig() on windows is broken, so the following is done instead
cflags = SystemWXConfig(env,'--cxxflags')[1]
env.AppendUnique(CPPFLAGS = cflags.strip().split(' '))
libs = SystemWXConfig(env,'--libs')[1]
env.AppendUnique(LINKFLAGS = libs.strip().split(' '))
else:
# Here ParseConfig should really work
env.ParseConfig(env['wxconfig']+' --cxxflags --libs'+env['wxconfig_postargs'])