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#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006 (ita)
"Base for c programs/libraries"
import os
import TaskGen, Build, Utils, Task
from Logs import debug
import ccroot
from TaskGen import feature, before, extension, after
g_cc_flag_vars = [
'CCDEPS', 'FRAMEWORK', 'FRAMEWORKPATH',
'STATICLIB', 'LIB', 'LIBPATH', 'LINKFLAGS', 'RPATH',
'CCFLAGS', 'CPPPATH', 'CPPFLAGS', 'CCDEFINES']
EXT_CC = ['.c']
g_cc_type_vars = ['CCFLAGS', 'LINKFLAGS']
# TODO remove in waf 1.6
class cc_taskgen(ccroot.ccroot_abstract):
pass
@feature('c', 'cc')
@before('apply_type_vars')
@after('default_cc')
def init_cc(self):
self.p_flag_vars = set(self.p_flag_vars).union(g_cc_flag_vars)
self.p_type_vars = set(self.p_type_vars).union(g_cc_type_vars)
if not self.env['CC_NAME']:
raise Utils.WafError("At least one compiler (gcc, ..) must be selected")
@feature('c', 'cc')
@after('apply_incpaths')
def apply_obj_vars_cc(self):
"""after apply_incpaths for INC_PATHS"""
env = self.env
app = env.append_unique
cpppath_st = env['CPPPATH_ST']
# local flags come first
# set the user-defined includes paths
for i in env['INC_PATHS']:
app('_CCINCFLAGS', cpppath_st % i.bldpath(env))
app('_CCINCFLAGS', cpppath_st % i.srcpath(env))
# set the library include paths
for i in env['CPPPATH']:
app('_CCINCFLAGS', cpppath_st % i)
@feature('c', 'cc')
@after('apply_lib_vars')
def apply_defines_cc(self):
"""after uselib is set for CCDEFINES"""
self.defines = getattr(self, 'defines', [])
lst = self.to_list(self.defines) + self.to_list(self.env['CCDEFINES'])
milst = []
# now process the local defines
for defi in lst:
if not defi in milst:
milst.append(defi)
# CCDEFINES_
libs = self.to_list(self.uselib)
for l in libs:
val = self.env['CCDEFINES_'+l]
if val: milst += 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['CCDEFINES_ST']
self.env.append_unique('_CCDEFFLAGS', [y%x for x in milst])
@extension(EXT_CC)
def c_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('cc', node, node.change_ext(obj_ext))
try:
self.compiled_tasks.append(task)
except AttributeError:
raise Utils.WafError('Have you forgotten to set the feature "cc" on %s?' % str(self))
return task
cc_str = '${CC} ${CCFLAGS} ${CPPFLAGS} ${_CCINCFLAGS} ${_CCDEFFLAGS} ${CC_SRC_F}${SRC} ${CC_TGT_F}${TGT}'
cls = Task.simple_task_type('cc', cc_str, 'GREEN', ext_out='.o', ext_in='.c', shell=False)
cls.scan = ccroot.scan
cls.vars.append('CCDEPS')
link_str = '${LINK_CC} ${CCLNK_SRC_F}${SRC} ${CCLNK_TGT_F}${TGT[0].abspath(env)} ${LINKFLAGS}'
cls = Task.simple_task_type('cc_link', link_str, color='YELLOW', ext_in='.o', ext_out='.bin', shell=False)
cls.maxjobs = 1
cls.install = Utils.nada
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