third_party/waf/waflib/extras/fc_nag.py

   1 #! /usr/bin/env python
   2 # encoding: utf-8
   3 # harald at klimachs.de
   4
   5 import re
   6 from waflib import Utils
   7 from waflib.Tools import fc,fc_config,fc_scan
   8 from waflib.Configure import conf
   9
  10 from waflib.Tools.compiler_fc import fc_compiler
  11 fc_compiler['linux'].insert(0, 'fc_nag')
  12
  13 @conf
  14 def find_nag(conf):
  15         """Find the NAG Fortran Compiler (will look in the environment variable 'FC')"""
  16
  17         fc = conf.find_program(['nagfor'], var='FC')
  18         conf.get_nag_version(fc)
  19         conf.env.FC_NAME = 'NAG'
  20         conf.env.FC_MOD_CAPITALIZATION = 'lower'
  21
  22 @conf
  23 def nag_flags(conf):
  24         v = conf.env
  25         v.FCFLAGS_DEBUG = ['-C=all']
  26         v.FCLNK_TGT_F = ['-o', '']
  27         v.FC_TGT_F = ['-c', '-o', '']
  28
  29 @conf
  30 def nag_modifier_platform(conf):
  31         dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
  32         nag_modifier_func = getattr(conf, 'nag_modifier_' + dest_os, None)
  33         if nag_modifier_func:
  34                 nag_modifier_func()
  35
  36 @conf
  37 def get_nag_version(conf, fc):
  38         """Get the NAG compiler version"""
  39
  40         version_re = re.compile(r"^NAG Fortran Compiler *Release *(?P<major>\d*)\.(?P<minor>\d*)", re.M).search
  41         cmd = fc + ['-V']
  42
  43         out, err = fc_config.getoutput(conf,cmd,stdin=False)
  44         if out:
  45                 match = version_re(out)
  46                 if not match:
  47                         match = version_re(err)
  48         else: match = version_re(err)
  49         if not match:
  50                 conf.fatal('Could not determine the NAG version.')
  51         k = match.groupdict()
  52         conf.env['FC_VERSION'] = (k['major'], k['minor'])
  53
  54 def configure(conf):
  55         conf.find_nag()
  56         conf.find_ar()
  57         conf.fc_flags()
  58         conf.fc_add_flags()
  59         conf.nag_flags()
  60         conf.nag_modifier_platform()
  61