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#!/usr/bin/env python
# encoding: utf-8
# Antoine Dechaume 2011
"""
Detect the PGI C compiler
"""
import sys, re
from waflib import Errors
from waflib.Configure import conf
from waflib.Tools.compiler_c import c_compiler
c_compiler['linux'].append('pgicc')
@conf
def find_pgi_compiler(conf, var, name):
"""
Find the program name, and execute it to ensure it really is itself.
"""
if sys.platform == 'cygwin':
conf.fatal('The PGI compiler does not work on Cygwin')
v = conf.env
cc = None
if v[var]:
cc = v[var]
elif var in conf.environ:
cc = conf.environ[var]
if not cc:
cc = conf.find_program(name, var=var)
if not cc:
conf.fatal('PGI Compiler (%s) was not found' % name)
v[var + '_VERSION'] = conf.get_pgi_version(cc)
v[var] = cc
v[var + '_NAME'] = 'pgi'
@conf
def get_pgi_version(conf, cc):
"""Find the version of a pgi compiler."""
version_re = re.compile(r"The Portland Group", re.I).search
cmd = cc + ['-V', '-E'] # Issue 1078, prevent wrappers from linking
try:
out, err = conf.cmd_and_log(cmd, output=0)
except Errors.WafError:
conf.fatal('Could not find pgi compiler %r' % cmd)
if out:
match = version_re(out)
else:
match = version_re(err)
if not match:
conf.fatal('Could not verify PGI signature')
cmd = cc + ['-help=variable']
try:
out, err = conf.cmd_and_log(cmd, output=0)
except Errors.WafError:
conf.fatal('Could not find pgi compiler %r' % cmd)
version = re.findall('^COMPVER\s*=(.*)', out, re.M)
if len(version) != 1:
conf.fatal('Could not determine the compiler version')
return version[0]
def configure(conf):
conf.find_pgi_compiler('CC', 'pgcc')
conf.find_ar()
conf.gcc_common_flags()
conf.cc_load_tools()
conf.cc_add_flags()
conf.link_add_flags()
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