clang_cross_common.py (3426B)
1 #!/usr/bin/env python 2 # encoding: utf-8 3 # DragoonX6 2018 4 5 """ 6 Common routines for cross_clang.py and cross_clangxx.py 7 """ 8 9 from waflib.Configure import conf 10 import waflib.Context 11 12 def normalize_target_triple(target_triple): 13 target_triple = target_triple[:-1] 14 normalized_triple = target_triple.replace('--', '-unknown-') 15 16 if normalized_triple.startswith('-'): 17 normalized_triple = 'unknown' + normalized_triple 18 19 if normalized_triple.endswith('-'): 20 normalized_triple += 'unknown' 21 22 # Normalize MinGW builds to *arch*-w64-mingw32 23 if normalized_triple.endswith('windows-gnu'): 24 normalized_triple = normalized_triple[:normalized_triple.index('-')] + '-w64-mingw32' 25 26 # Strip the vendor when doing msvc builds, since it's unused anyway. 27 if normalized_triple.endswith('windows-msvc'): 28 normalized_triple = normalized_triple[:normalized_triple.index('-')] + '-windows-msvc' 29 30 return normalized_triple.replace('-', '_') 31 32 @conf 33 def clang_modifier_msvc(conf): 34 import os 35 36 """ 37 Really basic setup to use clang in msvc mode. 38 We actually don't really want to do a lot, even though clang is msvc compatible 39 in this mode, that doesn't mean we're actually using msvc. 40 It's probably the best to leave it to the user, we can assume msvc mode if the user 41 uses the clang-cl frontend, but this module only concerns itself with the gcc-like frontend. 42 """ 43 v = conf.env 44 v.cprogram_PATTERN = '%s.exe' 45 46 v.cshlib_PATTERN = '%s.dll' 47 v.implib_PATTERN = '%s.lib' 48 v.IMPLIB_ST = '-Wl,-IMPLIB:%s' 49 v.SHLIB_MARKER = [] 50 51 v.CFLAGS_cshlib = [] 52 v.LINKFLAGS_cshlib = ['-Wl,-DLL'] 53 v.cstlib_PATTERN = '%s.lib' 54 v.STLIB_MARKER = [] 55 56 del(v.AR) 57 conf.find_program(['llvm-lib', 'lib'], var='AR') 58 v.ARFLAGS = ['-nologo'] 59 v.AR_TGT_F = ['-out:'] 60 61 # Default to the linker supplied with llvm instead of link.exe or ld 62 v.LINK_CC = v.CC + ['-fuse-ld=lld', '-nostdlib'] 63 v.CCLNK_TGT_F = ['-o'] 64 v.def_PATTERN = '-Wl,-def:%s' 65 66 v.LINKFLAGS = [] 67 68 v.LIB_ST = '-l%s' 69 v.LIBPATH_ST = '-Wl,-LIBPATH:%s' 70 v.STLIB_ST = '-l%s' 71 v.STLIBPATH_ST = '-Wl,-LIBPATH:%s' 72 73 CFLAGS_CRT_COMMON = [ 74 '-Xclang', '--dependent-lib=oldnames', 75 '-Xclang', '-fno-rtti-data', 76 '-D_MT' 77 ] 78 79 v.CFLAGS_CRT_MULTITHREADED = CFLAGS_CRT_COMMON + [ 80 '-Xclang', '-flto-visibility-public-std', 81 '-Xclang', '--dependent-lib=libcmt', 82 ] 83 v.CXXFLAGS_CRT_MULTITHREADED = v.CFLAGS_CRT_MULTITHREADED 84 85 v.CFLAGS_CRT_MULTITHREADED_DBG = CFLAGS_CRT_COMMON + [ 86 '-D_DEBUG', 87 '-Xclang', '-flto-visibility-public-std', 88 '-Xclang', '--dependent-lib=libcmtd', 89 ] 90 v.CXXFLAGS_CRT_MULTITHREADED_DBG = v.CFLAGS_CRT_MULTITHREADED_DBG 91 92 v.CFLAGS_CRT_MULTITHREADED_DLL = CFLAGS_CRT_COMMON + [ 93 '-D_DLL', 94 '-Xclang', '--dependent-lib=msvcrt' 95 ] 96 v.CXXFLAGS_CRT_MULTITHREADED_DLL = v.CFLAGS_CRT_MULTITHREADED_DLL 97 98 v.CFLAGS_CRT_MULTITHREADED_DLL_DBG = CFLAGS_CRT_COMMON + [ 99 '-D_DLL', 100 '-D_DEBUG', 101 '-Xclang', '--dependent-lib=msvcrtd', 102 ] 103 v.CXXFLAGS_CRT_MULTITHREADED_DLL_DBG = v.CFLAGS_CRT_MULTITHREADED_DLL_DBG 104 105 @conf 106 def clang_modifier_target_triple(conf, cpp=False): 107 compiler = conf.env.CXX if cpp else conf.env.CC 108 output = conf.cmd_and_log(compiler + ['-dumpmachine'], output=waflib.Context.STDOUT) 109 110 modifier = ('clangxx' if cpp else 'clang') + '_modifier_' 111 clang_modifier_func = getattr(conf, modifier + normalize_target_triple(output), None) 112 if clang_modifier_func: 113 clang_modifier_func()