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93 lines
2.5 KiB
Python
93 lines
2.5 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Krzysztof Kosiński 2014
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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, gcc
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from waflib.Configure import conf
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import waflib.Context
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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 --clang-target-triple=x86_64-pc-linux-gnu
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"""
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cc_compiler_opts = opt.add_option_group('Configuration options')
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cc_compiler_opts.add_option('--clang-target-triple', default=None,
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help='Target triple for clang',
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dest='clang_target_triple')
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cc_compiler_opts.add_option('--clang-sysroot', default=None,
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help='Sysroot for clang',
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dest='clang_sysroot')
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@conf
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def find_clang(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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cc = conf.find_program('clang', var='CC')
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if conf.options.clang_target_triple != None:
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conf.env.append_value('CC', ['-target', conf.options.clang_target_triple])
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if conf.options.clang_sysroot != None:
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sysroot = str()
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if os.path.isabs(conf.options.clang_sysroot):
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sysroot = conf.options.clang_sysroot
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else:
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sysroot = os.path.normpath(os.path.join(os.getcwd(), conf.options.clang_sysroot))
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conf.env.append_value('CC', ['--sysroot', sysroot])
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conf.get_cc_version(cc, clang=True)
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conf.env.CC_NAME = 'clang'
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@conf
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def clang_modifier_x86_64_w64_mingw32(conf):
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conf.gcc_modifier_win32()
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@conf
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def clang_modifier_i386_w64_mingw32(conf):
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conf.gcc_modifier_win32()
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@conf
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def clang_modifier_x86_64_windows_msvc(conf):
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conf.clang_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, 'clang_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 clang_modifier_i386_windows_msvc(conf):
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conf.clang_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, 'clang_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_clang()
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conf.find_program(['llvm-ar', 'ar'], var='AR')
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conf.find_ar()
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conf.gcc_common_flags()
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# Allow the user to provide flags for the target platform.
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conf.gcc_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()
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conf.cc_load_tools()
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conf.cc_add_flags()
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conf.link_add_flags()
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