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#!/usr/bin/env python
# encoding: utf-8
# Krzysztof Kosiński 2014
# 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, gcc
from waflib.Configure import conf
import waflib.Context
import waflib.extras.clang_cross_common
def options(opt):
"""
Target triplet for clang::
$ waf configure --clang-target-triple=x86_64-pc-linux-gnu
"""
cc_compiler_opts = opt.add_option_group('Configuration options')
cc_compiler_opts.add_option('--clang-target-triple', default=None,
help='Target triple for clang',
dest='clang_target_triple')
cc_compiler_opts.add_option('--clang-sysroot', default=None,
help='Sysroot for clang',
dest='clang_sysroot')
@conf
def find_clang(conf):
"""
Finds the program clang and executes it to ensure it really is clang
"""
import os
cc = conf.find_program('clang', var='CC')
if conf.options.clang_target_triple != None:
conf.env.append_value('CC', ['-target', conf.options.clang_target_triple])
if conf.options.clang_sysroot != None:
sysroot = str()
if os.path.isabs(conf.options.clang_sysroot):
sysroot = conf.options.clang_sysroot
else:
sysroot = os.path.normpath(os.path.join(os.getcwd(), conf.options.clang_sysroot))
conf.env.append_value('CC', ['--sysroot', sysroot])
conf.get_cc_version(cc, clang=True)
conf.env.CC_NAME = 'clang'
@conf
def clang_modifier_x86_64_w64_mingw32(conf):
conf.gcc_modifier_win32()
@conf
def clang_modifier_i386_w64_mingw32(conf):
conf.gcc_modifier_win32()
@conf
def clang_modifier_x86_64_windows_msvc(conf):
conf.clang_modifier_msvc()
# Allow the user to override any flags if they so desire.
clang_modifier_user_func = getattr(conf, 'clang_modifier_x86_64_windows_msvc_user', None)
if clang_modifier_user_func:
clang_modifier_user_func()
@conf
def clang_modifier_i386_windows_msvc(conf):
conf.clang_modifier_msvc()
# Allow the user to override any flags if they so desire.
clang_modifier_user_func = getattr(conf, 'clang_modifier_i386_windows_msvc_user', None)
if clang_modifier_user_func:
clang_modifier_user_func()
def configure(conf):
conf.find_clang()
conf.find_program(['llvm-ar', 'ar'], var='AR')
conf.find_ar()
conf.gcc_common_flags()
# Allow the user to provide flags for the target platform.
conf.gcc_modifier_platform()
# And allow more fine grained control based on the compiler's triplet.
conf.clang_modifier_target_triple()
conf.cc_load_tools()
conf.cc_add_flags()
conf.link_add_flags()
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