diff options
| -rw-r--r-- | scons/mslib_sa.py | 90 |
1 files changed, 88 insertions, 2 deletions
diff --git a/scons/mslib_sa.py b/scons/mslib_sa.py index da51c574b6..c5ebdec273 100644 --- a/scons/mslib_sa.py +++ b/scons/mslib_sa.py @@ -29,21 +29,107 @@ Based on SCons.Tool.mslib, without the MSVC detection. # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # +import os +import tempfile +import string + import SCons.Defaults import SCons.Tool import SCons.Util +import SCons.Errors + +class TempFileMunge: + """Same as SCons.Platform.TempFileMunge, but preserves LINK /LIB + together.""" + + def __init__(self, cmd): + self.cmd = cmd + + def __call__(self, target, source, env, for_signature): + if for_signature: + return self.cmd + cmd = env.subst_list(self.cmd, 0, target, source)[0] + try: + maxline = int(env.subst('$MAXLINELENGTH')) + except ValueError: + maxline = 2048 + + if (reduce(lambda x, y: x + len(y), cmd, 0) + len(cmd)) <= maxline: + return self.cmd + + # We do a normpath because mktemp() has what appears to be + # a bug in Windows that will use a forward slash as a path + # delimiter. Windows's link mistakes that for a command line + # switch and barfs. + # + # We use the .lnk suffix for the benefit of the Phar Lap + # linkloc linker, which likes to append an .lnk suffix if + # none is given. + tmp = os.path.normpath(tempfile.mktemp('.lnk')) + native_tmp = SCons.Util.get_native_path(tmp) + + if env['SHELL'] and env['SHELL'] == 'sh': + # The sh shell will try to escape the backslashes in the + # path, so unescape them. + native_tmp = string.replace(native_tmp, '\\', r'\\\\') + # In Cygwin, we want to use rm to delete the temporary + # file, because del does not exist in the sh shell. + rm = env.Detect('rm') or 'del' + else: + # Don't use 'rm' if the shell is not sh, because rm won't + # work with the Windows shells (cmd.exe or command.com) or + # Windows path names. + rm = 'del' + + prefix = env.subst('$TEMPFILEPREFIX') + if not prefix: + prefix = '@' + + if cmd[0:2] == ['link', '/lib']: + split = 2 + else: + split = 1 + + args = map(SCons.Subst.quote_spaces, cmd[split:]) + open(tmp, 'w').write(string.join(args, " ") + "\n") + # XXX Using the SCons.Action.print_actions value directly + # like this is bogus, but expedient. This class should + # really be rewritten as an Action that defines the + # __call__() and strfunction() methods and lets the + # normal action-execution logic handle whether or not to + # print/execute the action. The problem, though, is all + # of that is decided before we execute this method as + # part of expanding the $TEMPFILE construction variable. + # Consequently, refactoring this will have to wait until + # we get more flexible with allowing Actions to exist + # independently and get strung together arbitrarily like + # Ant tasks. In the meantime, it's going to be more + # user-friendly to not let obsession with architectural + # purity get in the way of just being helpful, so we'll + # reach into SCons.Action directly. + if SCons.Action.print_actions: + print("Using tempfile "+native_tmp+" for command line:\n"+ + " ".join(map(str,cmd))) + return cmd[:split] + [ prefix + native_tmp + '\n' + rm, native_tmp ] def generate(env): """Add Builders and construction variables for lib to an Environment.""" SCons.Tool.createStaticLibBuilder(env) - env['AR'] = 'lib' + if env.Detect('lib'): + env['AR'] = 'lib' + elif env.Detect('link'): + # Recent WINDDK versions do not ship with lib. + env['AR'] = 'link /lib' + env['TEMPFILE'] = TempFileMunge + else: + raise SCons.Errors.InternalError, "lib and link not found" env['ARFLAGS'] = SCons.Util.CLVar('/nologo') env['ARCOM'] = "${TEMPFILE('$AR $ARFLAGS /OUT:$TARGET $SOURCES')}" env['LIBPREFIX'] = '' env['LIBSUFFIX'] = '.lib' def exists(env): - return env.Detect('lib') + return env.Detect('lib') or env.Detect('link') # vim:set ts=4 sw=4 et: |