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waf/waflib/extras/clangxx_cross.py

107 lines
2.9 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy 2009-2018 (ita)
# DragoonX6 2018
"""
Detect the Clang++ C++ compiler
This version is an attempt at supporting the -target and -sysroot flag of Clang++.
"""
from waflib.Tools import ccroot, ar, gxx
from waflib.Configure import conf
import waflib.extras.clang_cross_common
def options(opt):
"""
Target triplet for clang++::
$ waf configure --clangxx-target-triple=x86_64-pc-linux-gnu
"""
cxx_compiler_opts = opt.add_option_group('Configuration options')
cxx_compiler_opts.add_option('--clangxx-target-triple', default=None,
help='Target triple for clang++',
dest='clangxx_target_triple')
cxx_compiler_opts.add_option('--clangxx-sysroot', default=None,
help='Sysroot for clang++',
dest='clangxx_sysroot')
@conf
def find_clangxx(conf):
"""
Finds the program clang++, and executes it to ensure it really is clang++
"""
import os
cxx = conf.find_program('clang++', var='CXX')
if conf.options.clangxx_target_triple != None:
conf.env.append_value('CXX', ['-target', conf.options.clangxx_target_triple])
if conf.options.clangxx_sysroot != None:
sysroot = str()
if os.path.isabs(conf.options.clangxx_sysroot):
sysroot = conf.options.clangxx_sysroot
else:
sysroot = os.path.normpath(os.path.join(os.getcwd(), conf.options.clangxx_sysroot))
conf.env.append_value('CXX', ['--sysroot', sysroot])
conf.get_cc_version(cxx, clang=True)
conf.env.CXX_NAME = 'clang'
@conf
def clangxx_modifier_x86_64_w64_mingw32(conf):
conf.gcc_modifier_win32()
@conf
def clangxx_modifier_i386_w64_mingw32(conf):
conf.gcc_modifier_win32()
@conf
def clangxx_modifier_msvc(conf):
v = conf.env
v.cxxprogram_PATTERN = v.cprogram_PATTERN
v.cxxshlib_PATTERN = v.cshlib_PATTERN
v.CXXFLAGS_cxxshlib = []
v.LINKFLAGS_cxxshlib = v.LINKFLAGS_cshlib
v.cxxstlib_PATTERN = v.cstlib_PATTERN
v.LINK_CXX = v.CXX + ['-fuse-ld=lld', '-nostdlib']
v.CXXLNK_TGT_F = v.CCLNK_TGT_F
@conf
def clangxx_modifier_x86_64_windows_msvc(conf):
conf.clang_modifier_msvc()
conf.clangxx_modifier_msvc()
# Allow the user to override any flags if they so desire.
clang_modifier_user_func = getattr(conf, 'clangxx_modifier_x86_64_windows_msvc_user', None)
if clang_modifier_user_func:
clang_modifier_user_func()
@conf
def clangxx_modifier_i386_windows_msvc(conf):
conf.clang_modifier_msvc()
conf.clangxx_modifier_msvc()
# Allow the user to override any flags if they so desire.
clang_modifier_user_func = getattr(conf, 'clangxx_modifier_i386_windows_msvc_user', None)
if clang_modifier_user_func:
clang_modifier_user_func()
def configure(conf):
conf.find_clangxx()
conf.find_program(['llvm-ar', 'ar'], var='AR')
conf.find_ar()
conf.gxx_common_flags()
# Allow the user to provide flags for the target platform.
conf.gxx_modifier_platform()
# And allow more fine grained control based on the compiler's triplet.
conf.clang_modifier_target_triple(cpp=True)
conf.cxx_load_tools()
conf.cxx_add_flags()
conf.link_add_flags()