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Diffstat (limited to '3rdParty/SCons/scons-3.0.1/engine/SCons/Tool/gnulink.py')
-rw-r--r-- | 3rdParty/SCons/scons-3.0.1/engine/SCons/Tool/gnulink.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/3rdParty/SCons/scons-3.0.1/engine/SCons/Tool/gnulink.py b/3rdParty/SCons/scons-3.0.1/engine/SCons/Tool/gnulink.py new file mode 100644 index 0000000..b1d5088 --- /dev/null +++ b/3rdParty/SCons/scons-3.0.1/engine/SCons/Tool/gnulink.py @@ -0,0 +1,80 @@ +"""SCons.Tool.gnulink + +Tool-specific initialization for the gnu linker. + +There normally shouldn't be any need to import this module directly. +It will usually be imported through the generic SCons.Tool.Tool() +selection method. + +""" + +# +# __COPYRIGHT__ +# +# 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. +# + +__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" + +import SCons.Util +import SCons.Tool +import os +import sys +import re + +from . import link + + +def generate(env): + """Add Builders and construction variables for gnulink to an Environment.""" + link.generate(env) + + if env['PLATFORM'] == 'hpux': + env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared -fPIC') + + # __RPATH is set to $_RPATH in the platform specification if that + # platform supports it. + env['RPATHPREFIX'] = '-Wl,-rpath=' + env['RPATHSUFFIX'] = '' + env['_RPATH'] = '${_concat(RPATHPREFIX, RPATH, RPATHSUFFIX, __env__)}' + + # OpenBSD doesn't usually use SONAME for libraries + use_soname = not sys.platform.startswith('openbsd') + link._setup_versioned_lib_variables(env, tool = 'gnulink', use_soname = use_soname) + env['LINKCALLBACKS'] = link._versioned_lib_callbacks() + + # For backward-compatibility with older SCons versions + env['SHLIBVERSIONFLAGS'] = SCons.Util.CLVar('-Wl,-Bsymbolic') + +def exists(env): + # TODO: sync with link.smart_link() to choose a linker + linkers = { 'CXX': ['g++'], 'CC': ['gcc'] } + alltools = [] + for langvar, linktools in linkers.items(): + if langvar in env: # use CC over CXX when user specified CC but not CXX + return SCons.Tool.FindTool(linktools, env) + alltools.extend(linktools) + return SCons.Tool.FindTool(alltools, env) # find CXX or CC + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |