buildtools/wafadmin/Tools/cc.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 # Thomas Nagy, 2006 (ita)
   4
   5 "Base for c programs/libraries"
   6
   7 import os
   8 import TaskGen, Build, Utils, Task
   9 from Logs import debug
  10 import ccroot
  11 from TaskGen import feature, before, extension, after
  12
  13 g_cc_flag_vars = [
  14 'CCDEPS', 'FRAMEWORK', 'FRAMEWORKPATH',
  15 'STATICLIB', 'LIB', 'LIBPATH', 'LINKFLAGS', 'RPATH',
  16 'CCFLAGS', 'CPPPATH', 'CPPFLAGS', 'CCDEFINES']
  17
  18 EXT_CC = ['.c']
  19
  20 g_cc_type_vars = ['CCFLAGS', 'LINKFLAGS']
  21
  22 # TODO remove in waf 1.6
  23 class cc_taskgen(ccroot.ccroot_abstract):
  24         pass
  25
  26 @feature('cc')
  27 @before('apply_type_vars')
  28 @after('default_cc')
  29 def init_cc(self):
  30         self.p_flag_vars = set(self.p_flag_vars).union(g_cc_flag_vars)
  31         self.p_type_vars = set(self.p_type_vars).union(g_cc_type_vars)
  32
  33         if not self.env['CC_NAME']:
  34                 raise Utils.WafError("At least one compiler (gcc, ..) must be selected")
  35
  36 @feature('cc')
  37 @after('apply_incpaths')
  38 def apply_obj_vars_cc(self):
  39         """after apply_incpaths for INC_PATHS"""
  40         env = self.env
  41         app = env.append_unique
  42         cpppath_st = env['CPPPATH_ST']
  43
  44         # local flags come first
  45         # set the user-defined includes paths
  46         for i in env['INC_PATHS']:
  47                 app('_CCINCFLAGS', cpppath_st % i.bldpath(env))
  48                 app('_CCINCFLAGS', cpppath_st % i.srcpath(env))
  49
  50         # set the library include paths
  51         for i in env['CPPPATH']:
  52                 app('_CCINCFLAGS', cpppath_st % i)
  53
  54 @feature('cc')
  55 @after('apply_lib_vars')
  56 def apply_defines_cc(self):
  57         """after uselib is set for CCDEFINES"""
  58         self.defines = getattr(self, 'defines', [])
  59         lst = self.to_list(self.defines) + self.to_list(self.env['CCDEFINES'])
  60         milst = []
  61
  62         # now process the local defines
  63         for defi in lst:
  64                 if not defi in milst:
  65                         milst.append(defi)
  66
  67         # CCDEFINES_
  68         libs = self.to_list(self.uselib)
  69         for l in libs:
  70                 val = self.env['CCDEFINES_'+l]
  71                 if val: milst += val
  72         self.env['DEFLINES'] = ["%s %s" % (x[0], Utils.trimquotes('='.join(x[1:]))) for x in [y.split('=') for y in milst]]
  73         y = self.env['CCDEFINES_ST']
  74         self.env.append_unique('_CCDEFFLAGS', [y%x for x in milst])
  75
  76 @extension(EXT_CC)
  77 def c_hook(self, node):
  78         # create the compilation task: cpp or cc
  79         if getattr(self, 'obj_ext', None):
  80                 obj_ext = self.obj_ext
  81         else:
  82                 obj_ext = '_%d.o' % self.idx
  83
  84         task = self.create_task('cc', node, node.change_ext(obj_ext))
  85         try:
  86                 self.compiled_tasks.append(task)
  87         except AttributeError:
  88                 raise Utils.WafError('Have you forgotten to set the feature "cc" on %s?' % str(self))
  89         return task
  90
  91 cc_str = '${CC} ${CCFLAGS} ${CPPFLAGS} ${_CCINCFLAGS} ${_CCDEFFLAGS} ${CC_SRC_F}${SRC} ${CC_TGT_F}${TGT}'
  92 cls = Task.simple_task_type('cc', cc_str, 'GREEN', ext_out='.o', ext_in='.c', shell=False)
  93 cls.scan = ccroot.scan
  94 cls.vars.append('CCDEPS')
  95
  96 link_str = '${LINK_CC} ${CCLNK_SRC_F}${SRC} ${CCLNK_TGT_F}${TGT[0].abspath(env)} ${LINKFLAGS}'
  97 cls = Task.simple_task_type('cc_link', link_str, color='YELLOW', ext_in='.o', ext_out='.bin', shell=False)
  98 cls.maxjobs = 1
  99 cls.install = Utils.nada
 100