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waf/waflib/extras/fc_flang.py
2024-05-30 17:14:45 +02:00

97 lines
2.5 KiB
Python

#! /usr/bin/env python
# encoding: utf-8
# Detection of the flang Fortran compiler
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_flang')
@conf
def find_flang(conf):
fc = conf.find_program(['flang'], var='FC')
conf.get_nfort_version(fc)
conf.env.FC_NAME = 'FLANG'
conf.env.FC_MOD_CAPITALIZATION = 'lower'
@conf
def flang_flags(conf):
v = conf.env
v['_FCMODOUTFLAGS'] = []
v['FCFLAGS_DEBUG'] = []
v['FCFLAGS_fcshlib'] = []
v['LINKFLAGS_fcshlib'] = []
v['FCSTLIB_MARKER'] = ''
v['FCSHLIB_MARKER'] = ''
@conf
def get_flang_version(conf, fc):
cmd = fc + ['-dM', '-E', '-']
env = conf.env.env or None
try:
out, err = conf.cmd_and_log(cmd, output=0, input='\n'.encode(), env=env)
except Errors.WafError:
conf.fatal('Could not determine the FLANG compiler version for %r' % cmd)
if out.find('__clang__') < 0:
conf.fatal('Not a flang compiler')
k = {}
out = out.splitlines()
for line in out:
lst = shlex.split(line)
if len(lst)>2:
key = lst[1]
val = lst[2]
k[key] = val
def isD(var):
return var in k
# Some documentation is available at http://predef.sourceforge.net
# The names given to DEST_OS must match what Utils.unversioned_sys_platform() returns.
if not conf.env.DEST_OS:
conf.env.DEST_OS = ''
for i in MACRO_TO_DESTOS:
if isD(i):
conf.env.DEST_OS = MACRO_TO_DESTOS[i]
break
else:
if isD('__APPLE__') and isD('__MACH__'):
conf.env.DEST_OS = 'darwin'
elif isD('__unix__'): # unix must be tested last as it's a generic fallback
conf.env.DEST_OS = 'generic'
if isD('__ELF__'):
conf.env.DEST_BINFMT = 'elf'
elif isD('__WINNT__') or isD('__CYGWIN__') or isD('_WIN32'):
conf.env.DEST_BINFMT = 'pe'
if not conf.env.IMPLIBDIR:
conf.env.IMPLIBDIR = conf.env.LIBDIR # for .lib or .dll.a files
conf.env.LIBDIR = conf.env.BINDIR
elif isD('__APPLE__'):
conf.env.DEST_BINFMT = 'mac-o'
if not conf.env.DEST_BINFMT:
# Infer the binary format from the os name.
conf.env.DEST_BINFMT = Utils.destos_to_binfmt(conf.env.DEST_OS)
for i in MACRO_TO_DEST_CPU:
if isD(i):
conf.env.DEST_CPU = MACRO_TO_DEST_CPU[i]
break
Logs.debug('fc_flang: dest platform: ' + ' '.join([conf.env[x] or '?' for x in ('DEST_OS', 'DEST_BINFMT', 'DEST_CPU')]))
conf.env.FC_VERSION = (k['__clang_major__'], k['__clang_minor__'], k['__clang_patchlevel__'])
return k
def configure(conf):
conf.find_flang()
conf.find_ar()
conf.fc_flags()
conf.fc_add_flags()
conf.flang_flags()