ref: 193dcbb9a1412067b126aeffaf84bb66ee7027ba
dir: /waflib/Tools/fc_config.py/
#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file
import re,os,sys,shlex
from waflib.Configure import conf
from waflib.TaskGen import feature,before_method
from waflib import Utils
FC_FRAGMENT=' program main\n end program main\n'
FC_FRAGMENT2=' PROGRAM MAIN\n END\n'
@conf
def fc_flags(conf):
v=conf.env
v['FC_SRC_F']=[]
v['FC_TGT_F']=['-c','-o']
v['FCINCPATH_ST']='-I%s'
v['FCDEFINES_ST']='-D%s'
if not v['LINK_FC']:v['LINK_FC']=v['FC']
v['FCLNK_SRC_F']=[]
v['FCLNK_TGT_F']=['-o']
v['FCFLAGS_fcshlib']=['-fpic']
v['LINKFLAGS_fcshlib']=['-shared']
v['fcshlib_PATTERN']='lib%s.so'
v['fcstlib_PATTERN']='lib%s.a'
v['FCLIB_ST']='-l%s'
v['FCLIBPATH_ST']='-L%s'
v['FCSTLIB_ST']='-l%s'
v['FCSTLIBPATH_ST']='-L%s'
v['FCSTLIB_MARKER']='-Wl,-Bstatic'
v['FCSHLIB_MARKER']='-Wl,-Bdynamic'
v['SONAME_ST']='-Wl,-h,%s'
@conf
def fc_add_flags(conf):
conf.add_os_flags('FCFLAGS')
conf.add_os_flags('LDFLAGS','LINKFLAGS')
@conf
def check_fortran(self,*k,**kw):
self.check_cc(fragment=FC_FRAGMENT,compile_filename='test.f',features='fc fcprogram',msg='Compiling a simple fortran app')
@conf
def check_fc(self,*k,**kw):
kw['compiler']='fc'
if not'compile_mode'in kw:
kw['compile_mode']='fc'
if not'type'in kw:
kw['type']='fcprogram'
if not'compile_filename'in kw:
kw['compile_filename']='test.f90'
if not'code'in kw:
kw['code']=FC_FRAGMENT
return self.check(*k,**kw)
@conf
def fortran_modifier_darwin(conf):
v=conf.env
v['FCFLAGS_fcshlib']=['-fPIC']
v['LINKFLAGS_fcshlib']=['-dynamiclib','-Wl,-compatibility_version,1','-Wl,-current_version,1']
v['fcshlib_PATTERN']='lib%s.dylib'
v['FRAMEWORKPATH_ST']='-F%s'
v['FRAMEWORK_ST']='-framework %s'
v['LINKFLAGS_fcstlib']=[]
v['FCSHLIB_MARKER']=''
v['FCSTLIB_MARKER']=''
v['SONAME_ST']=''
@conf
def fortran_modifier_win32(conf):
v=conf.env
v['fcprogram_PATTERN']=v['fcprogram_test_PATTERN']='%s.exe'
v['fcshlib_PATTERN']='%s.dll'
v['implib_PATTERN']='lib%s.dll.a'
v['IMPLIB_ST']='-Wl,--out-implib,%s'
v['FCFLAGS_fcshlib']=[]
v.append_value('FCFLAGS_fcshlib',['-DDLL_EXPORT'])
v.append_value('LINKFLAGS',['-Wl,--enable-auto-import'])
@conf
def fortran_modifier_cygwin(conf):
fortran_modifier_win32(conf)
v=conf.env
v['fcshlib_PATTERN']='cyg%s.dll'
v.append_value('LINKFLAGS_fcshlib',['-Wl,--enable-auto-image-base'])
v['FCFLAGS_fcshlib']=[]
@conf
def check_fortran_dummy_main(self,*k,**kw):
if not self.env.CC:
self.fatal('A c compiler is required for check_fortran_dummy_main')
lst=['MAIN__','__MAIN','_MAIN','MAIN_','MAIN']
lst.extend([m.lower()for m in lst])
lst.append('')
self.start_msg('Detecting whether we need a dummy main')
for main in lst:
kw['fortran_main']=main
try:
self.check_cc(fragment='int %s() { return 0; }\n'%(main or'test'),features='c fcprogram',mandatory=True)
if not main:
self.env.FC_MAIN=-1
self.end_msg('no')
else:
self.env.FC_MAIN=main
self.end_msg('yes %s'%main)
break
except self.errors.ConfigurationError:
pass
else:
self.end_msg('not found')
self.fatal('could not detect whether fortran requires a dummy main, see the config.log')
GCC_DRIVER_LINE=re.compile('^Driving:')
POSIX_STATIC_EXT=re.compile('\S+\.a')
POSIX_LIB_FLAGS=re.compile('-l\S+')
@conf
def is_link_verbose(self,txt):
assert isinstance(txt,str)
for line in txt.splitlines():
if not GCC_DRIVER_LINE.search(line):
if POSIX_STATIC_EXT.search(line)or POSIX_LIB_FLAGS.search(line):
return True
return False
@conf
def check_fortran_verbose_flag(self,*k,**kw):
self.start_msg('fortran link verbose flag')
for x in('-v','--verbose','-verbose','-V'):
try:
self.check_cc(features='fc fcprogram_test',fragment=FC_FRAGMENT2,compile_filename='test.f',linkflags=[x],mandatory=True)
except self.errors.ConfigurationError:
pass
else:
if self.is_link_verbose(self.test_bld.err)or self.is_link_verbose(self.test_bld.out):
self.end_msg(x)
break
else:
self.end_msg('failure')
self.fatal('Could not obtain the fortran link verbose flag (see config.log)')
self.env.FC_VERBOSE_FLAG=x
return x
LINKFLAGS_IGNORED=[r'-lang*',r'-lcrt[a-zA-Z0-9\.]*\.o',r'-lc$',r'-lSystem',r'-libmil',r'-LIST:*',r'-LNO:*']
if os.name=='nt':
LINKFLAGS_IGNORED.extend([r'-lfrt*',r'-luser32',r'-lkernel32',r'-ladvapi32',r'-lmsvcrt',r'-lshell32',r'-lmingw',r'-lmoldname'])
else:
LINKFLAGS_IGNORED.append(r'-lgcc*')
RLINKFLAGS_IGNORED=[re.compile(f)for f in LINKFLAGS_IGNORED]
def _match_ignore(line):
for i in RLINKFLAGS_IGNORED:
if i.match(line):
return True
return False
def parse_fortran_link(lines):
final_flags=[]
for line in lines:
if not GCC_DRIVER_LINE.match(line):
_parse_flink_line(line,final_flags)
return final_flags
SPACE_OPTS=re.compile('^-[LRuYz]$')
NOSPACE_OPTS=re.compile('^-[RL]')
def _parse_flink_token(lexer,token,tmp_flags):
if _match_ignore(token):
pass
elif token.startswith('-lkernel32')and sys.platform=='cygwin':
tmp_flags.append(token)
elif SPACE_OPTS.match(token):
t=lexer.get_token()
if t.startswith('P,'):
t=t[2:]
for opt in t.split(os.pathsep):
tmp_flags.append('-L%s'%opt)
elif NOSPACE_OPTS.match(token):
tmp_flags.append(token)
elif POSIX_LIB_FLAGS.match(token):
tmp_flags.append(token)
else:
pass
t=lexer.get_token()
return t
def _parse_flink_line(line,final_flags):
lexer=shlex.shlex(line,posix=True)
lexer.whitespace_split=True
t=lexer.get_token()
tmp_flags=[]
while t:
t=_parse_flink_token(lexer,t,tmp_flags)
final_flags.extend(tmp_flags)
return final_flags
@conf
def check_fortran_clib(self,autoadd=True,*k,**kw):
if not self.env.FC_VERBOSE_FLAG:
self.fatal('env.FC_VERBOSE_FLAG is not set: execute check_fortran_verbose_flag?')
self.start_msg('Getting fortran runtime link flags')
try:
self.check_cc(fragment=FC_FRAGMENT2,compile_filename='test.f',features='fc fcprogram_test',linkflags=[self.env.FC_VERBOSE_FLAG])
except Exception:
self.end_msg(False)
if kw.get('mandatory',True):
conf.fatal('Could not find the c library flags')
else:
out=self.test_bld.err
flags=parse_fortran_link(out.splitlines())
self.end_msg('ok (%s)'%' '.join(flags))
self.env.LINKFLAGS_CLIB=flags
return flags
return[]
def getoutput(conf,cmd,stdin=False):
if stdin:
stdin=Utils.subprocess.PIPE
else:
stdin=None
env=conf.env.env or None
try:
p=Utils.subprocess.Popen(cmd,stdin=stdin,stdout=Utils.subprocess.PIPE,stderr=Utils.subprocess.PIPE,env=env)
if stdin:
p.stdin.write('\n')
out,err=p.communicate()
except Exception:
conf.fatal('could not determine the compiler version %r'%cmd)
if not isinstance(out,str):
out=out.decode(sys.stdout.encoding or'iso8859-1')
if not isinstance(err,str):
err=err.decode(sys.stdout.encoding or'iso8859-1')
return(out,err)
ROUTINES_CODE="""\
subroutine foobar()
return
end
subroutine foo_bar()
return
end
"""
MAIN_CODE="""
void %(dummy_func_nounder)s(void);
void %(dummy_func_under)s(void);
int %(main_func_name)s() {
%(dummy_func_nounder)s();
%(dummy_func_under)s();
return 0;
}
"""
@feature('link_main_routines_func')
@before_method('process_source')
def link_main_routines_tg_method(self):
def write_test_file(task):
task.outputs[0].write(task.generator.code)
bld=self.bld
bld(rule=write_test_file,target='main.c',code=MAIN_CODE%self.__dict__)
bld(rule=write_test_file,target='test.f',code=ROUTINES_CODE)
bld(features='fc fcstlib',source='test.f',target='test')
bld(features='c fcprogram',source='main.c',target='app',use='test')
def mangling_schemes():
for u in('_',''):
for du in('','_'):
for c in("lower","upper"):
yield(u,du,c)
def mangle_name(u,du,c,name):
return getattr(name,c)()+u+(name.find('_')!=-1 and du or'')
@conf
def check_fortran_mangling(self,*k,**kw):
if not self.env.CC:
self.fatal('A c compiler is required for link_main_routines')
if not self.env.FC:
self.fatal('A fortran compiler is required for link_main_routines')
if not self.env.FC_MAIN:
self.fatal('Checking for mangling requires self.env.FC_MAIN (execute "check_fortran_dummy_main" first?)')
self.start_msg('Getting fortran mangling scheme')
for(u,du,c)in mangling_schemes():
try:
self.check_cc(compile_filename=[],features='link_main_routines_func',msg='nomsg',errmsg='nomsg',mandatory=True,dummy_func_nounder=mangle_name(u,du,c,"foobar"),dummy_func_under=mangle_name(u,du,c,"foo_bar"),main_func_name=self.env.FC_MAIN)
except self.errors.ConfigurationError:
pass
else:
self.end_msg("ok ('%s', '%s', '%s-case')"%(u,du,c))
self.env.FORTRAN_MANGLING=(u,du,c)
break
else:
self.end_msg(False)
self.fatal('mangler not found')
return(u,du,c)
@feature('pyext')
@before_method('propagate_uselib_vars','apply_link')
def set_lib_pat(self):
self.env['fcshlib_PATTERN']=self.env['pyext_PATTERN']
@conf
def detect_openmp(self):
for x in('-fopenmp','-openmp','-mp','-xopenmp','-omp','-qsmp=omp'):
try:
self.check_fc(msg='Checking for OpenMP flag %s'%x,fragment='program main\n call omp_get_num_threads()\nend program main',fcflags=x,linkflags=x,uselib_store='OPENMP')
except self.errors.ConfigurationError:
pass
else:
break
else:
self.fatal('Could not find OpenMP')