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## Thomas Nagy, 2005
BOLD ="\033[1m"
RED ="\033[91m"
GREEN ="\033[92m"
YELLOW ="\033[93m"
CYAN ="\033[96m"
NORMAL ="\033[0m"
import os
def exists(env):
return true
def generate(env):
"""
Detect and store the most common options
* debug : anything (-g) or 'full' (-g3, slower)
else use the user CXXFLAGS if any, - or -O2 by default
* prefix : the installation path
* extraincludes : a list of paths separated by ':'
ie: scons configure debug=full prefix=/usr/local extraincludes=/tmp/include:/usr/local
"""
# load the options
from SCons.Options import Options, PathOption
opts = Options('generic.cache.py')
opts.AddOptions(
( 'DEBUGLEVEL', 'debug level for the project : full or just anything' ),
( 'PREFIX', 'prefix for installation' ),
( 'EXTRAINCLUDES', 'extra include paths for the project' ),
)
opts.Update(env)
# use this to avoid an error message 'how to make target configure ?'
env.Alias('configure', None)
# configure the environment if needed
if 'configure' in env['TARGS']:
# need debugging ?
if env['ARGS'].get('debug', None):
debuglevel = env['ARGS'].get('debug', None)
print CYAN+'** Enabling debug for the project **' + NORMAL
if (debuglevel == "full"):
env['DEBUGLEVEL'] = '-DDEBUG:-g3'
else:
env['DEBUGLEVEL'] = '-DDEBUG:-g'
elif env.has_key('DEBUGLEVEL'):
env.__delitem__('DEBUGLEVEL')
# user-specified prefix
if env['ARGS'].get('prefix', None):
env['PREFIX'] = env['ARGS'].get('prefix', None)
print CYAN+'** set the installation prefix for the project : ' + env['PREFIX'] +' **'+ NORMAL
elif env.has_key('PREFIX'):
env.__delitem__('PREFIX')
# user-specified include paths
env['EXTRAINCLUDES'] = env['ARGS'].get('extraincludes', None)
if env['ARGS'].get('extraincludes', None):
print CYAN+'** set extra include paths for the project : ' + env['EXTRAINCLUDES'] +' **'+ NORMAL
elif env.has_key('EXTRAINCLUDES'):
env.__delitem__('EXTRAINCLUDES')
# and finally save the options in a cache
opts.Save('generic.cache.py', env)
if env.has_key('DEBUGLEVEL'):
# debug mode(s) : add -g or -g3 and -DDEBUG
env.AppendUnique(CPPFLAGS = [str(env['DEBUGLEVEL']).split(':')])
elif os.environ.has_key('CXXFLAGS'):
# user-defined flags (gentooers will be elighted:)
import SCons.Util
env.AppendUnique( CPPFLAGS = SCons.Util.CLVar( os.environ['CXXFLAGS'] ) )
env.AppendUnique( CPPFLAGS = ['-DNDEBUG', '-DNO_DEBUG'] )
else:
# default compilation flag
env.AppendUnique(CPPFLAGS = ['-O2', '-DNDEBUG', '-DNO_DEBUG'])
if env.has_key('EXTRAINCLUDES'):
incpaths = []
for dir in str(env['EXTRAINCLUDES']).split(':'):
incpaths.append( dir )
env.Append(CPPPATH = incpaths)
|
