Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 1 | """distutils.unixccompiler |
| 2 | |
| 3 | Contains the UnixCCompiler class, a subclass of CCompiler that handles |
| 4 | the "typical" Unix-style command-line C compiler: |
| 5 | * macros defined with -Dname[=value] |
| 6 | * macros undefined with -Uname |
| 7 | * include search directories specified with -Idir |
| 8 | * libraries specified with -lllib |
| 9 | * library search directories specified with -Ldir |
| 10 | * compile handled by 'cc' (or similar) executable with -c option: |
| 11 | compiles .c to .o |
| 12 | * link static library handled by 'ar' command (possibly with 'ranlib') |
| 13 | * link shared library handled by 'cc -shared' |
| 14 | """ |
| 15 | |
Greg Ward | 3ce77fd | 2000-03-02 01:49:45 +0000 | [diff] [blame] | 16 | __revision__ = "$Id$" |
Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 17 | |
Ronald Oussoren | 2c12ab1 | 2010-06-03 14:42:25 +0000 | [diff] [blame^] | 18 | import os, sys, re |
Jeremy Hylton | 022640d | 2002-06-13 15:01:38 +0000 | [diff] [blame] | 19 | |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 20 | from distutils.dep_util import newer |
Greg Ward | d151711 | 2000-05-30 01:56:44 +0000 | [diff] [blame] | 21 | from distutils.ccompiler import \ |
Greg Ward | 3add77f | 2000-05-30 02:02:49 +0000 | [diff] [blame] | 22 | CCompiler, gen_preprocess_options, gen_lib_options |
| 23 | from distutils.errors import \ |
| 24 | DistutilsExecError, CompileError, LibError, LinkError |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame] | 25 | from distutils import log |
Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 26 | |
Tarek Ziadé | edacea3 | 2010-01-29 11:41:03 +0000 | [diff] [blame] | 27 | |
Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 28 | # XXX Things not currently handled: |
| 29 | # * optimization/debug/warning flags; we just use whatever's in Python's |
| 30 | # Makefile and live with it. Is this adequate? If not, we might |
| 31 | # have to have a bunch of subclasses GNUCCompiler, SGICCompiler, |
| 32 | # SunCCompiler, and I suspect down that road lies madness. |
| 33 | # * even if we don't know a warning flag from an optimization flag, |
| 34 | # we need some way for outsiders to feed preprocessor/compiler/linker |
| 35 | # flags in to us -- eg. a sysadmin might want to mandate certain flags |
| 36 | # via a site config file, or a user might want to set something for |
| 37 | # compiling this module distribution only via the setup.py command |
| 38 | # line, whatever. As long as these options come from something on the |
| 39 | # current system, they can be as system-dependent as they like, and we |
| 40 | # should just happily stuff them into the preprocessor/compiler/linker |
| 41 | # options and carry on. |
| 42 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 43 | def _darwin_compiler_fixup(compiler_so, cc_args): |
| 44 | """ |
| 45 | This function will strip '-isysroot PATH' and '-arch ARCH' from the |
| 46 | compile flags if the user has specified one them in extra_compile_flags. |
| 47 | |
| 48 | This is needed because '-arch ARCH' adds another architecture to the |
| 49 | build, without a way to remove an architecture. Furthermore GCC will |
| 50 | barf if multiple '-isysroot' arguments are present. |
| 51 | """ |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 52 | stripArch = stripSysroot = False |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 53 | |
| 54 | compiler_so = list(compiler_so) |
| 55 | kernel_version = os.uname()[2] # 8.4.3 |
| 56 | major_version = int(kernel_version.split('.')[0]) |
| 57 | |
| 58 | if major_version < 8: |
| 59 | # OSX before 10.4.0, these don't support -arch and -isysroot at |
| 60 | # all. |
| 61 | stripArch = stripSysroot = True |
| 62 | else: |
| 63 | stripArch = '-arch' in cc_args |
| 64 | stripSysroot = '-isysroot' in cc_args |
| 65 | |
Georg Brandl | fcaf910 | 2008-07-16 02:17:56 +0000 | [diff] [blame] | 66 | if stripArch or 'ARCHFLAGS' in os.environ: |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 67 | while True: |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 68 | try: |
| 69 | index = compiler_so.index('-arch') |
| 70 | # Strip this argument and the next one: |
| 71 | del compiler_so[index:index+2] |
| 72 | except ValueError: |
| 73 | break |
| 74 | |
Georg Brandl | fcaf910 | 2008-07-16 02:17:56 +0000 | [diff] [blame] | 75 | if 'ARCHFLAGS' in os.environ and not stripArch: |
| 76 | # User specified different -arch flags in the environ, |
Tarek Ziadé | edacea3 | 2010-01-29 11:41:03 +0000 | [diff] [blame] | 77 | # see also the sysconfig |
Georg Brandl | 3dbca81 | 2008-07-23 16:10:53 +0000 | [diff] [blame] | 78 | compiler_so = compiler_so + os.environ['ARCHFLAGS'].split() |
Georg Brandl | fcaf910 | 2008-07-16 02:17:56 +0000 | [diff] [blame] | 79 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 80 | if stripSysroot: |
| 81 | try: |
| 82 | index = compiler_so.index('-isysroot') |
| 83 | # Strip this argument and the next one: |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 84 | del compiler_so[index:index+2] |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 85 | except ValueError: |
| 86 | pass |
| 87 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 88 | # Check if the SDK that is used during compilation actually exists, |
| 89 | # the universal build requires the usage of a universal SDK and not all |
| 90 | # users have that installed by default. |
| 91 | sysroot = None |
| 92 | if '-isysroot' in cc_args: |
| 93 | idx = cc_args.index('-isysroot') |
| 94 | sysroot = cc_args[idx+1] |
| 95 | elif '-isysroot' in compiler_so: |
| 96 | idx = compiler_so.index('-isysroot') |
| 97 | sysroot = compiler_so[idx+1] |
| 98 | |
| 99 | if sysroot and not os.path.isdir(sysroot): |
| 100 | log.warn("Compiling with an SDK that doesn't seem to exist: %s", |
| 101 | sysroot) |
| 102 | log.warn("Please check your Xcode installation") |
| 103 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 104 | return compiler_so |
| 105 | |
Jeremy Hylton | 022640d | 2002-06-13 15:01:38 +0000 | [diff] [blame] | 106 | class UnixCCompiler(CCompiler): |
Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 107 | |
Greg Ward | 0e3530b | 1999-09-29 12:22:50 +0000 | [diff] [blame] | 108 | compiler_type = 'unix' |
| 109 | |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 110 | # These are used by CCompiler in two places: the constructor sets |
| 111 | # instance attributes 'preprocessor', 'compiler', etc. from them, and |
| 112 | # 'set_executable()' allows any of these to be set. The defaults here |
| 113 | # are pretty generic; they will probably have to be set by an outsider |
| 114 | # (eg. using information discovered by the sysconfig about building |
| 115 | # Python extensions). |
| 116 | executables = {'preprocessor' : None, |
| 117 | 'compiler' : ["cc"], |
| 118 | 'compiler_so' : ["cc"], |
Gustavo Niemeyer | 6b01685 | 2002-11-05 16:12:02 +0000 | [diff] [blame] | 119 | 'compiler_cxx' : ["cc"], |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 120 | 'linker_so' : ["cc", "-shared"], |
| 121 | 'linker_exe' : ["cc"], |
| 122 | 'archiver' : ["ar", "-cr"], |
| 123 | 'ranlib' : None, |
| 124 | } |
| 125 | |
Just van Rossum | 005dbb2 | 2002-02-11 15:31:50 +0000 | [diff] [blame] | 126 | if sys.platform[:6] == "darwin": |
| 127 | executables['ranlib'] = ["ranlib"] |
| 128 | |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 129 | # Needed for the filename generation methods provided by the base |
| 130 | # class, CCompiler. NB. whoever instantiates/uses a particular |
| 131 | # UnixCCompiler instance should set 'shared_lib_ext' -- we set a |
| 132 | # reasonable common default here, but it's not necessarily used on all |
| 133 | # Unices! |
| 134 | |
Andrew M. Kuchling | 7880e5e | 2001-04-05 15:46:48 +0000 | [diff] [blame] | 135 | src_extensions = [".c",".C",".cc",".cxx",".cpp",".m"] |
Greg Ward | 32c4a8a | 2000-03-06 03:40:29 +0000 | [diff] [blame] | 136 | obj_extension = ".o" |
| 137 | static_lib_extension = ".a" |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 138 | shared_lib_extension = ".so" |
Jack Jansen | e259e59 | 2001-08-27 15:08:16 +0000 | [diff] [blame] | 139 | dylib_lib_extension = ".dylib" |
| 140 | static_lib_format = shared_lib_format = dylib_lib_format = "lib%s%s" |
Jason Tishler | d7e83a1 | 2003-04-18 17:27:47 +0000 | [diff] [blame] | 141 | if sys.platform == "cygwin": |
| 142 | exe_extension = ".exe" |
Greg Ward | c9f3187 | 2000-01-09 22:47:53 +0000 | [diff] [blame] | 143 | |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 144 | def preprocess(self, source, output_file=None, macros=None, |
| 145 | include_dirs=None, extra_preargs=None, extra_postargs=None): |
| 146 | fixed_args = self._fix_compile_args(None, macros, include_dirs) |
| 147 | ignore, macros, include_dirs = fixed_args |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 148 | pp_opts = gen_preprocess_options(macros, include_dirs) |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 149 | pp_args = self.preprocessor + pp_opts |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 150 | if output_file: |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 151 | pp_args.extend(['-o', output_file]) |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 152 | if extra_preargs: |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 153 | pp_args[:0] = extra_preargs |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 154 | if extra_postargs: |
Andrew M. Kuchling | 286b107 | 2001-07-16 14:19:20 +0000 | [diff] [blame] | 155 | pp_args.extend(extra_postargs) |
Andrew M. Kuchling | df453fd | 2002-09-09 12:16:58 +0000 | [diff] [blame] | 156 | pp_args.append(source) |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 157 | |
Andrew M. Kuchling | 286b107 | 2001-07-16 14:19:20 +0000 | [diff] [blame] | 158 | # We need to preprocess: either we're being forced to, or we're |
Fred Drake | b94b849 | 2001-12-06 20:51:35 +0000 | [diff] [blame] | 159 | # generating output to stdout, or there's a target output file and |
| 160 | # the source file is newer than the target (or the target doesn't |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 161 | # exist). |
Guido van Rossum | 63a4740 | 2001-07-16 14:46:13 +0000 | [diff] [blame] | 162 | if self.force or output_file is None or newer(source, output_file): |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 163 | if output_file: |
| 164 | self.mkpath(os.path.dirname(output_file)) |
| 165 | try: |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 166 | self.spawn(pp_args) |
Guido van Rossum | b940e11 | 2007-01-10 16:19:56 +0000 | [diff] [blame] | 167 | except DistutilsExecError as msg: |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 168 | raise CompileError(msg) |
Greg Ward | 3ff3b03 | 2000-06-21 02:58:46 +0000 | [diff] [blame] | 169 | |
Jeremy Hylton | 1b046e4 | 2002-06-18 18:48:55 +0000 | [diff] [blame] | 170 | def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts): |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 171 | compiler_so = self.compiler_so |
| 172 | if sys.platform == 'darwin': |
| 173 | compiler_so = _darwin_compiler_fixup(compiler_so, cc_args + extra_postargs) |
Jeremy Hylton | 1b046e4 | 2002-06-18 18:48:55 +0000 | [diff] [blame] | 174 | try: |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 175 | self.spawn(compiler_so + cc_args + [src, '-o', obj] + |
Jeremy Hylton | 1b046e4 | 2002-06-18 18:48:55 +0000 | [diff] [blame] | 176 | extra_postargs) |
Guido van Rossum | b940e11 | 2007-01-10 16:19:56 +0000 | [diff] [blame] | 177 | except DistutilsExecError as msg: |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 178 | raise CompileError(msg) |
Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 179 | |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 180 | def create_static_lib(self, objects, output_libname, |
Gustavo Niemeyer | 6b01685 | 2002-11-05 16:12:02 +0000 | [diff] [blame] | 181 | output_dir=None, debug=0, target_lang=None): |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 182 | objects, output_dir = self._fix_object_args(objects, output_dir) |
Greg Ward | c9f3187 | 2000-01-09 22:47:53 +0000 | [diff] [blame] | 183 | |
Greg Ward | 32c4a8a | 2000-03-06 03:40:29 +0000 | [diff] [blame] | 184 | output_filename = \ |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 185 | self.library_filename(output_libname, output_dir=output_dir) |
Greg Ward | c9f3187 | 2000-01-09 22:47:53 +0000 | [diff] [blame] | 186 | |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 187 | if self._need_link(objects, output_filename): |
| 188 | self.mkpath(os.path.dirname(output_filename)) |
| 189 | self.spawn(self.archiver + |
| 190 | [output_filename] + |
| 191 | objects + self.objects) |
Greg Ward | 1c79330 | 2000-04-14 00:48:15 +0000 | [diff] [blame] | 192 | |
Greg Ward | 8eef583 | 2000-04-14 13:53:34 +0000 | [diff] [blame] | 193 | # Not many Unices required ranlib anymore -- SunOS 4.x is, I |
| 194 | # think the only major Unix that does. Maybe we need some |
| 195 | # platform intelligence here to skip ranlib if it's not |
| 196 | # needed -- or maybe Python's configure script took care of |
| 197 | # it for us, hence the check for leading colon. |
Greg Ward | 73076ff | 2000-06-25 02:05:29 +0000 | [diff] [blame] | 198 | if self.ranlib: |
Greg Ward | d151711 | 2000-05-30 01:56:44 +0000 | [diff] [blame] | 199 | try: |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 200 | self.spawn(self.ranlib + [output_filename]) |
Guido van Rossum | b940e11 | 2007-01-10 16:19:56 +0000 | [diff] [blame] | 201 | except DistutilsExecError as msg: |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 202 | raise LibError(msg) |
Greg Ward | c9f3187 | 2000-01-09 22:47:53 +0000 | [diff] [blame] | 203 | else: |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame] | 204 | log.debug("skipping %s (up-to-date)", output_filename) |
Greg Ward | c9f3187 | 2000-01-09 22:47:53 +0000 | [diff] [blame] | 205 | |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 206 | def link(self, target_desc, objects, |
| 207 | output_filename, output_dir=None, libraries=None, |
| 208 | library_dirs=None, runtime_library_dirs=None, |
| 209 | export_symbols=None, debug=0, extra_preargs=None, |
Gustavo Niemeyer | 6b01685 | 2002-11-05 16:12:02 +0000 | [diff] [blame] | 210 | extra_postargs=None, build_temp=None, target_lang=None): |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 211 | objects, output_dir = self._fix_object_args(objects, output_dir) |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 212 | fixed_args = self._fix_lib_args(libraries, library_dirs, |
| 213 | runtime_library_dirs) |
| 214 | libraries, library_dirs, runtime_library_dirs = fixed_args |
Greg Ward | 04d7832 | 1999-12-12 16:57:47 +0000 | [diff] [blame] | 215 | |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 216 | lib_opts = gen_lib_options(self, library_dirs, runtime_library_dirs, |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 217 | libraries) |
Guido van Rossum | 3172c5d | 2007-10-16 18:12:55 +0000 | [diff] [blame] | 218 | if not isinstance(output_dir, (str, type(None))): |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 219 | raise TypeError("'output_dir' must be a string or None") |
Greg Ward | 8037cb1 | 1999-09-13 03:12:53 +0000 | [diff] [blame] | 220 | if output_dir is not None: |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 221 | output_filename = os.path.join(output_dir, output_filename) |
Greg Ward | 170bdc0 | 1999-07-10 02:04:22 +0000 | [diff] [blame] | 222 | |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 223 | if self._need_link(objects, output_filename): |
Fred Drake | b94b849 | 2001-12-06 20:51:35 +0000 | [diff] [blame] | 224 | ld_args = (objects + self.objects + |
Greg Ward | 32c4a8a | 2000-03-06 03:40:29 +0000 | [diff] [blame] | 225 | lib_opts + ['-o', output_filename]) |
Greg Ward | ba233fb | 2000-02-09 02:17:00 +0000 | [diff] [blame] | 226 | if debug: |
| 227 | ld_args[:0] = ['-g'] |
Greg Ward | 0e3530b | 1999-09-29 12:22:50 +0000 | [diff] [blame] | 228 | if extra_preargs: |
| 229 | ld_args[:0] = extra_preargs |
| 230 | if extra_postargs: |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 231 | ld_args.extend(extra_postargs) |
| 232 | self.mkpath(os.path.dirname(output_filename)) |
Greg Ward | d151711 | 2000-05-30 01:56:44 +0000 | [diff] [blame] | 233 | try: |
Fred Drake | b94b849 | 2001-12-06 20:51:35 +0000 | [diff] [blame] | 234 | if target_desc == CCompiler.EXECUTABLE: |
Gustavo Niemeyer | 6b01685 | 2002-11-05 16:12:02 +0000 | [diff] [blame] | 235 | linker = self.linker_exe[:] |
Greg Ward | 4240648 | 2000-09-27 02:08:14 +0000 | [diff] [blame] | 236 | else: |
Gustavo Niemeyer | 6b01685 | 2002-11-05 16:12:02 +0000 | [diff] [blame] | 237 | linker = self.linker_so[:] |
| 238 | if target_lang == "c++" and self.compiler_cxx: |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 239 | # skip over environment variable settings if /usr/bin/env |
| 240 | # is used to set up the linker's environment. |
| 241 | # This is needed on OSX. Note: this assumes that the |
| 242 | # normal and C++ compiler have the same environment |
| 243 | # settings. |
| 244 | i = 0 |
| 245 | if os.path.basename(linker[0]) == "env": |
| 246 | i = 1 |
| 247 | while '=' in linker[i]: |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 248 | i += 1 |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 249 | linker[i] = self.compiler_cxx[i] |
| 250 | |
| 251 | if sys.platform == 'darwin': |
| 252 | linker = _darwin_compiler_fixup(linker, ld_args) |
| 253 | |
Gustavo Niemeyer | 6b01685 | 2002-11-05 16:12:02 +0000 | [diff] [blame] | 254 | self.spawn(linker + ld_args) |
Guido van Rossum | b940e11 | 2007-01-10 16:19:56 +0000 | [diff] [blame] | 255 | except DistutilsExecError as msg: |
Collin Winter | 5b7e9d7 | 2007-08-30 03:52:21 +0000 | [diff] [blame] | 256 | raise LinkError(msg) |
Greg Ward | 8037cb1 | 1999-09-13 03:12:53 +0000 | [diff] [blame] | 257 | else: |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame] | 258 | log.debug("skipping %s (up-to-date)", output_filename) |
Greg Ward | 5e71744 | 1999-08-14 23:53:53 +0000 | [diff] [blame] | 259 | |
Greg Ward | 32c4a8a | 2000-03-06 03:40:29 +0000 | [diff] [blame] | 260 | # -- Miscellaneous methods ----------------------------------------- |
| 261 | # These are all used by the 'gen_lib_options() function, in |
| 262 | # ccompiler.py. |
Fred Drake | b94b849 | 2001-12-06 20:51:35 +0000 | [diff] [blame] | 263 | |
Jeremy Hylton | 28f46e1 | 2002-06-13 14:58:30 +0000 | [diff] [blame] | 264 | def library_dir_option(self, dir): |
Greg Ward | 4fecfce | 1999-10-03 20:45:33 +0000 | [diff] [blame] | 265 | return "-L" + dir |
| 266 | |
Tarek Ziadé | af77a2f | 2010-01-08 23:57:53 +0000 | [diff] [blame] | 267 | def _is_gcc(self, compiler_name): |
| 268 | return "gcc" in compiler_name or "g++" in compiler_name |
| 269 | |
Jeremy Hylton | 28f46e1 | 2002-06-13 14:58:30 +0000 | [diff] [blame] | 270 | def runtime_library_dir_option(self, dir): |
Fred Drake | d15db5c | 2001-12-11 05:04:24 +0000 | [diff] [blame] | 271 | # XXX Hackish, at the very least. See Python bug #445902: |
| 272 | # http://sourceforge.net/tracker/index.php |
| 273 | # ?func=detail&aid=445902&group_id=5470&atid=105470 |
| 274 | # Linkers on different platforms need different options to |
| 275 | # specify that directories need to be added to the list of |
| 276 | # directories searched for dependencies when a dynamic library |
Tarek Ziadé | be720e0 | 2009-05-09 11:55:12 +0000 | [diff] [blame] | 277 | # is sought. GCC on GNU systems (Linux, FreeBSD, ...) has to |
| 278 | # be told to pass the -R option through to the linker, whereas |
| 279 | # other compilers and gcc on other systems just know this. |
Fred Drake | d15db5c | 2001-12-11 05:04:24 +0000 | [diff] [blame] | 280 | # Other compilers may need something slightly different. At |
| 281 | # this time, there's no way to determine this information from |
| 282 | # the configuration data stored in the Python installation, so |
| 283 | # we use this hack. |
Tarek Ziadé | edacea3 | 2010-01-29 11:41:03 +0000 | [diff] [blame] | 284 | _sysconfig = __import__('sysconfig') |
| 285 | |
| 286 | compiler = os.path.basename(_sysconfig.get_config_var("CC")) |
Skip Montanaro | 628e3bf | 2002-10-09 21:37:18 +0000 | [diff] [blame] | 287 | if sys.platform[:6] == "darwin": |
| 288 | # MacOSX's linker doesn't understand the -R flag at all |
| 289 | return "-L" + dir |
Jack Jansen | 19c0d94 | 2003-06-01 19:27:40 +0000 | [diff] [blame] | 290 | elif sys.platform[:5] == "hp-ux": |
Tarek Ziadé | af77a2f | 2010-01-08 23:57:53 +0000 | [diff] [blame] | 291 | if self._is_gcc(compiler): |
Tarek Ziadé | 165581c | 2009-09-09 08:48:07 +0000 | [diff] [blame] | 292 | return ["-Wl,+s", "-L" + dir] |
| 293 | return ["+s", "-L" + dir] |
Martin v. Löwis | 061f132 | 2004-08-29 16:40:55 +0000 | [diff] [blame] | 294 | elif sys.platform[:7] == "irix646" or sys.platform[:6] == "osf1V5": |
| 295 | return ["-rpath", dir] |
Tarek Ziadé | af77a2f | 2010-01-08 23:57:53 +0000 | [diff] [blame] | 296 | elif self._is_gcc(compiler): |
Tarek Ziadé | 8f480e5 | 2009-06-28 21:30:52 +0000 | [diff] [blame] | 297 | # gcc on non-GNU systems does not need -Wl, but can |
| 298 | # use it anyway. Since distutils has always passed in |
| 299 | # -Wl whenever gcc was used in the past it is probably |
| 300 | # safest to keep doing so. |
Tarek Ziadé | edacea3 | 2010-01-29 11:41:03 +0000 | [diff] [blame] | 301 | if _sysconfig.get_config_var("GNULD") == "yes": |
Tarek Ziadé | 8f480e5 | 2009-06-28 21:30:52 +0000 | [diff] [blame] | 302 | # GNU ld needs an extra option to get a RUNPATH |
| 303 | # instead of just an RPATH. |
| 304 | return "-Wl,--enable-new-dtags,-R" + dir |
Tarek Ziadé | be720e0 | 2009-05-09 11:55:12 +0000 | [diff] [blame] | 305 | else: |
Tarek Ziadé | 8f480e5 | 2009-06-28 21:30:52 +0000 | [diff] [blame] | 306 | return "-Wl,-R" + dir |
| 307 | elif sys.platform[:3] == "aix": |
| 308 | return "-blibpath:" + dir |
| 309 | else: |
| 310 | # No idea how --enable-new-dtags would be passed on to |
| 311 | # ld if this system was using GNU ld. Don't know if a |
| 312 | # system like this even exists. |
| 313 | return "-R" + dir |
Greg Ward | d03f88a | 2000-03-18 15:19:51 +0000 | [diff] [blame] | 314 | |
Jeremy Hylton | 28f46e1 | 2002-06-13 14:58:30 +0000 | [diff] [blame] | 315 | def library_option(self, lib): |
Greg Ward | 4fecfce | 1999-10-03 20:45:33 +0000 | [diff] [blame] | 316 | return "-l" + lib |
| 317 | |
Jeremy Hylton | 28f46e1 | 2002-06-13 14:58:30 +0000 | [diff] [blame] | 318 | def find_library_file(self, dirs, lib, debug=0): |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 319 | shared_f = self.library_filename(lib, lib_type='shared') |
| 320 | dylib_f = self.library_filename(lib, lib_type='dylib') |
| 321 | static_f = self.library_filename(lib, lib_type='static') |
Tim Peters | 182b5ac | 2004-07-18 06:16:08 +0000 | [diff] [blame] | 322 | |
Ronald Oussoren | 2c12ab1 | 2010-06-03 14:42:25 +0000 | [diff] [blame^] | 323 | if sys.platform == 'darwin': |
| 324 | # On OSX users can specify an alternate SDK using |
| 325 | # '-isysroot', calculate the SDK root if it is specified |
| 326 | # (and use it further on) |
| 327 | _sysconfig = __import__('sysconfig') |
| 328 | cflags = _sysconfig.get_config_var('CFLAGS') |
| 329 | m = re.search(r'-isysroot\s+(\S+)', cflags) |
| 330 | if m is None: |
| 331 | sysroot = '/' |
| 332 | else: |
| 333 | sysroot = m.group(1) |
| 334 | |
| 335 | |
| 336 | |
Greg Ward | 4fecfce | 1999-10-03 20:45:33 +0000 | [diff] [blame] | 337 | for dir in dirs: |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 338 | shared = os.path.join(dir, shared_f) |
| 339 | dylib = os.path.join(dir, dylib_f) |
| 340 | static = os.path.join(dir, static_f) |
Ronald Oussoren | 2c12ab1 | 2010-06-03 14:42:25 +0000 | [diff] [blame^] | 341 | |
| 342 | if sys.platform == 'darwin' and ( |
| 343 | dir.startswith('/System/') or dir.startswith('/usr/')): |
| 344 | shared = os.path.join(sysroot, dir[1:], shared_f) |
| 345 | dylib = os.path.join(sysroot, dir[1:], dylib_f) |
| 346 | static = os.path.join(sysroot, dir[1:], static_f) |
| 347 | |
Greg Ward | 4fecfce | 1999-10-03 20:45:33 +0000 | [diff] [blame] | 348 | # We're second-guessing the linker here, with not much hard |
| 349 | # data to go on: GCC seems to prefer the shared library, so I'm |
| 350 | # assuming that *all* Unix C compilers do. And of course I'm |
| 351 | # ignoring even GCC's "-static" option. So sue me. |
Jack Jansen | e259e59 | 2001-08-27 15:08:16 +0000 | [diff] [blame] | 352 | if os.path.exists(dylib): |
| 353 | return dylib |
| 354 | elif os.path.exists(shared): |
Greg Ward | 4fecfce | 1999-10-03 20:45:33 +0000 | [diff] [blame] | 355 | return shared |
Greg Ward | be86bde | 2000-09-26 01:56:15 +0000 | [diff] [blame] | 356 | elif os.path.exists(static): |
Greg Ward | 4fecfce | 1999-10-03 20:45:33 +0000 | [diff] [blame] | 357 | return static |
Tim Peters | 182b5ac | 2004-07-18 06:16:08 +0000 | [diff] [blame] | 358 | |
Jeremy Hylton | 129b17d | 2002-06-13 15:14:10 +0000 | [diff] [blame] | 359 | # Oops, didn't find it in *any* of 'dirs' |
| 360 | return None |