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#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2005 (ita)
"Base for c++ programs and libraries"
import TaskGen, Task, Utils
from Logs import debug
import ccroot # <- do not remove
from TaskGen import feature, before, extension, after
g_cxx_flag_vars = [
'CXXDEPS', 'FRAMEWORK', 'FRAMEWORKPATH',
'STATICLIB', 'LIB', 'LIBPATH', 'LINKFLAGS', 'RPATH',
'CXXFLAGS', 'CCFLAGS', 'CPPPATH', 'CPPFLAGS', 'CXXDEFINES']
"main cpp variables"
EXT_CXX = ['.cpp', '.cc', '.cxx', '.C', '.c++']
g_cxx_type_vars=['CXXFLAGS', 'LINKFLAGS']
# TODO remove in waf 1.6
class cxx_taskgen(ccroot.ccroot_abstract):
pass
@feature('cxx')
@before('apply_type_vars')
@after('default_cc')
def init_cxx(self):
if not 'cc' in self.features:
self.mappings['.c'] = TaskGen.task_gen.mappings['.cxx']
self.p_flag_vars = set(self.p_flag_vars).union(g_cxx_flag_vars)
self.p_type_vars = set(self.p_type_vars).union(g_cxx_type_vars)
if not self.env['CXX_NAME']:
raise Utils.WafError("At least one compiler (g++, ..) must be selected")
@feature('cxx')
@after('apply_incpaths')
def apply_obj_vars_cxx(self):
"""after apply_incpaths for INC_PATHS"""
env = self.env
app = env.append_unique
cxxpath_st = env['CPPPATH_ST']
# local flags come first
# set the user-defined includes paths
for i in env['INC_PATHS']:
app('_CXXINCFLAGS', cxxpath_st % i.bldpath(env))
app('_CXXINCFLAGS', cxxpath_st % i.srcpath(env))
# set the library include paths
for i in env['CPPPATH']:
app('_CXXINCFLAGS', cxxpath_st % i)
@feature('cxx')
@after('apply_lib_vars')
def apply_defines_cxx(self):
"""after uselib is set for CXXDEFINES"""
self.defines = getattr(self, 'defines', [])
lst = self.to_list(self.defines) + self.to_list(self.env['CXXDEFINES'])
milst = []
# now process the local defines
for defi in lst:
if not defi in milst:
milst.append(defi)
# CXXDEFINES_USELIB
libs = self.to_list(self.uselib)
for l in libs:
val = self.env['CXXDEFINES_'+l]
if val: milst += self.to_list(val)
self.env['DEFLINES'] = ["%s %s" % (x[0], Utils.trimquotes('='.join(x[1:]))) for x in [y.split('=') for y in milst]]
y = self.env['CXXDEFINES_ST']
self.env['_CXXDEFFLAGS'] = [y%x for x in milst]
@extension(EXT_CXX)
def cxx_hook(self, node):
# create the compilation task: cpp or cc
if getattr(self, 'obj_ext', None):
obj_ext = self.obj_ext
else:
obj_ext = '_%d.o' % self.idx
task = self.create_task('cxx', node, node.change_ext(obj_ext))
try:
self.compiled_tasks.append(task)
except AttributeError:
raise Utils.WafError('Have you forgotten to set the feature "cxx" on %s?' % str(self))
return task
cxx_str = '${CXX} ${CXXFLAGS} ${CPPFLAGS} ${_CXXINCFLAGS} ${_CXXDEFFLAGS} ${CXX_SRC_F}${SRC} ${CXX_TGT_F}${TGT}'
cls = Task.simple_task_type('cxx', cxx_str, color='GREEN', ext_out='.o', ext_in='.cxx', shell=False)
cls.scan = ccroot.scan
cls.vars.append('CXXDEPS')
link_str = '${LINK_CXX} ${CXXLNK_SRC_F}${SRC} ${CXXLNK_TGT_F}${TGT[0].abspath(env)} ${LINKFLAGS}'
cls = Task.simple_task_type('cxx_link', link_str, color='YELLOW', ext_in='.o', ext_out='.bin', shell=False)
cls.maxjobs = 1
cls.install = Utils.nada