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