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Diffstat (limited to 'scons/mslib_sa.py')
-rw-r--r-- | scons/mslib_sa.py | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/scons/mslib_sa.py b/scons/mslib_sa.py new file mode 100644 index 0000000000..bdc0dd9251 --- /dev/null +++ b/scons/mslib_sa.py @@ -0,0 +1,137 @@ +"""mslib_sa + +Tool-specific initialization for lib (MicroSoft library archiver). + +Based on SCons.Tool.mslib, without the MSVC detection. + +""" + +# +# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# 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 $TEMPFILE construction variable. + # Consequently, refactoring this will have to wait until + # we get more flexible with allowing Actions to exist + # independently and get strung together arbitrarily like + # Ant tasks. In the meantime, it's going to be more + # user-friendly to not let obsession with architectural + # purity get in the way of just being helpful, so we'll + # reach into SCons.Action directly. + if SCons.Action.print_actions: + print("Using tempfile "+native_tmp+" for command line:\n"+ + " ".join(map(str,cmd))) + return cmd[:split] + [ prefix + native_tmp + '\n' + rm, native_tmp ] + +def generate(env): + """Add Builders and construction variables for lib to an Environment.""" + SCons.Tool.createStaticLibBuilder(env) + + if env.Detect('lib'): + env['AR'] = 'lib' + else: + # Recent WINDDK versions do not ship with lib. + env['AR'] = 'link /lib' + env['TEMPFILE'] = TempFileMunge + env['ARFLAGS'] = SCons.Util.CLVar('/nologo') + env['ARCOM'] = "${TEMPFILE('$AR $ARFLAGS /OUT:$TARGET $SOURCES')}" + env['LIBPREFIX'] = '' + env['LIBSUFFIX'] = '.lib' + +def exists(env): + return env.Detect('lib') or env.Detect('link') + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |