clang_cross.py (2550B)
1 #!/usr/bin/env python 2 # encoding: utf-8 3 # Krzysztof Kosiński 2014 4 # DragoonX6 2018 5 6 """ 7 Detect the Clang C compiler 8 This version is an attempt at supporting the -target and -sysroot flag of Clang. 9 """ 10 11 from waflib.Tools import ccroot, ar, gcc 12 from waflib.Configure import conf 13 import waflib.Context 14 import waflib.extras.clang_cross_common 15 16 def options(opt): 17 """ 18 Target triplet for clang:: 19 $ waf configure --clang-target-triple=x86_64-pc-linux-gnu 20 """ 21 cc_compiler_opts = opt.add_option_group('Configuration options') 22 cc_compiler_opts.add_option('--clang-target-triple', default=None, 23 help='Target triple for clang', 24 dest='clang_target_triple') 25 cc_compiler_opts.add_option('--clang-sysroot', default=None, 26 help='Sysroot for clang', 27 dest='clang_sysroot') 28 29 @conf 30 def find_clang(conf): 31 """ 32 Finds the program clang and executes it to ensure it really is clang 33 """ 34 35 import os 36 37 cc = conf.find_program('clang', var='CC') 38 39 if conf.options.clang_target_triple != None: 40 conf.env.append_value('CC', ['-target', conf.options.clang_target_triple]) 41 42 if conf.options.clang_sysroot != None: 43 sysroot = str() 44 45 if os.path.isabs(conf.options.clang_sysroot): 46 sysroot = conf.options.clang_sysroot 47 else: 48 sysroot = os.path.normpath(os.path.join(os.getcwd(), conf.options.clang_sysroot)) 49 50 conf.env.append_value('CC', ['--sysroot', sysroot]) 51 52 conf.get_cc_version(cc, clang=True) 53 conf.env.CC_NAME = 'clang' 54 55 @conf 56 def clang_modifier_x86_64_w64_mingw32(conf): 57 conf.gcc_modifier_win32() 58 59 @conf 60 def clang_modifier_i386_w64_mingw32(conf): 61 conf.gcc_modifier_win32() 62 63 @conf 64 def clang_modifier_x86_64_windows_msvc(conf): 65 conf.clang_modifier_msvc() 66 67 # Allow the user to override any flags if they so desire. 68 clang_modifier_user_func = getattr(conf, 'clang_modifier_x86_64_windows_msvc_user', None) 69 if clang_modifier_user_func: 70 clang_modifier_user_func() 71 72 @conf 73 def clang_modifier_i386_windows_msvc(conf): 74 conf.clang_modifier_msvc() 75 76 # Allow the user to override any flags if they so desire. 77 clang_modifier_user_func = getattr(conf, 'clang_modifier_i386_windows_msvc_user', None) 78 if clang_modifier_user_func: 79 clang_modifier_user_func() 80 81 def configure(conf): 82 conf.find_clang() 83 conf.find_program(['llvm-ar', 'ar'], var='AR') 84 conf.find_ar() 85 conf.gcc_common_flags() 86 # Allow the user to provide flags for the target platform. 87 conf.gcc_modifier_platform() 88 # And allow more fine grained control based on the compiler's triplet. 89 conf.clang_modifier_target_triple() 90 conf.cc_load_tools() 91 conf.cc_add_flags() 92 conf.link_add_flags()