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#! /usr/bin/env python
# encoding: utf-8
# harald at klimachs.de
import re
from waflib.Tools import fc, fc_config, fc_scan
from waflib.Configure import conf
from waflib.Tools.compiler_fc import fc_compiler
fc_compiler['linux'].append('fc_cray')
@conf
def find_crayftn(conf):
"""Find the Cray fortran compiler (will look in the environment variable 'FC')"""
fc = conf.find_program(['crayftn'], var='FC')
conf.get_crayftn_version(fc)
conf.env.FC_NAME = 'CRAY'
conf.env.FC_MOD_CAPITALIZATION = 'UPPER.mod'
@conf
def crayftn_flags(conf):
v = conf.env
v['_FCMODOUTFLAGS'] = ['-em', '-J.'] # enable module files and put them in the current directory
v['FCFLAGS_DEBUG'] = ['-m1'] # more verbose compiler warnings
v['FCFLAGS_fcshlib'] = ['-h pic']
v['LINKFLAGS_fcshlib'] = ['-h shared']
v['FCSTLIB_MARKER'] = '-h static'
v['FCSHLIB_MARKER'] = '-h dynamic'
@conf
def get_crayftn_version(conf, fc):
version_re = re.compile(r"Cray Fortran\s*:\s*Version\s*(?P<major>\d*)\.(?P<minor>\d*)", re.I).search
cmd = fc + ['-V']
out,err = fc_config.getoutput(conf, cmd, stdin=False)
if out:
match = version_re(out)
else:
match = version_re(err)
if not match:
conf.fatal('Could not determine the Cray Fortran compiler version.')
k = match.groupdict()
conf.env['FC_VERSION'] = (k['major'], k['minor'])
def configure(conf):
conf.find_crayftn()
conf.find_ar()
conf.fc_flags()
conf.fc_add_flags()
conf.crayftn_flags()
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