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"""SCons.Tool.applelink
Tool-specific initialization for the Apple's gnu-like 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
# Even though the Mac is based on the GNU toolchain, it doesn't understand
# the -rpath option, so we use the "link" tool instead of "gnulink".
from . import link
def _applelib_versioned_lib_suffix(env, suffix, version):
"""For suffix='.dylib' and version='0.1.2' it returns '.0.1.2.dylib'"""
Verbose = False
if Verbose:
print("_applelib_versioned_lib_suffix: suffix={:r}".format(suffix))
print("_applelib_versioned_lib_suffix: version={:r}".format(version))
if not version in suffix:
suffix = "." + version + suffix
if Verbose:
print("_applelib_versioned_lib_suffix: return suffix={:r}".format(suffix))
return suffix
def _applelib_versioned_lib_soname(env, libnode, version, prefix, suffix, name_func):
"""For libnode='/optional/dir/libfoo.X.Y.Z.dylib' it returns 'libfoo.X.dylib'"""
Verbose = False
if Verbose:
print("_applelib_versioned_lib_soname: version={!r}".format(version))
name = name_func(env, libnode, version, prefix, suffix)
if Verbose:
print("_applelib_versioned_lib_soname: name={!r}".format(name))
major = version.split('.')[0]
(libname,_suffix) = name.split('.')
soname = '.'.join([libname, major, _suffix])
if Verbose:
print("_applelib_versioned_lib_soname: soname={!r}".format(soname))
return soname
def _applelib_versioned_shlib_soname(env, libnode, version, prefix, suffix):
return _applelib_versioned_lib_soname(env, libnode, version, prefix, suffix, link._versioned_shlib_name)
# User programmatically describes how SHLIBVERSION maps to values for compat/current.
def _applelib_currentVersionFromSoVersion(source, target, env, for_signature):
"""
-Wl,current_version=2.3
"""
if env.get('APPLELINK_CURRENT_VERSION', False):
version_string = env['SHLIBVERSION']
elif env.get('SHLIBVERSION', False):
version_string = env['SHLIBVERSION']
else:
return ""
version_string = ".".join(version_string.split('.')[:3])
return "-Wl,-current_version,%s" % version_string
def _applelib_compatVersionFromSoVersion(source, target, env, for_signature):
"""
-Wl,compat_version=2.0
"""
if env.get('APPLELINK_COMPAT_VERSION', False):
version_string = env['SHLIBVERSION']
elif env.get('SHLIBVERSION', False):
version_string = ".".join(env['SHLIBVERSION'].split('.')[:2] + ['0'])
else:
return ""
return "-Wl,-compatibility_version,%s" % version_string
def generate(env):
"""Add Builders and construction variables for applelink to an
Environment."""
link.generate(env)
env['FRAMEWORKPATHPREFIX'] = '-F'
env['_FRAMEWORKPATH'] = '${_concat(FRAMEWORKPATHPREFIX, FRAMEWORKPATH, "", __env__, RDirs)}'
env['_FRAMEWORKS'] = '${_concat("-framework ", FRAMEWORKS, "", __env__)}'
env['LINKCOM'] = env['LINKCOM'] + ' $_FRAMEWORKPATH $_FRAMEWORKS $FRAMEWORKSFLAGS'
env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -dynamiclib')
env['SHLINKCOM'] = env['SHLINKCOM'] + ' $_FRAMEWORKPATH $_FRAMEWORKS $FRAMEWORKSFLAGS'
# TODO: Work needed to generate versioned shared libraries
# Leaving this commented out, and also going to disable versioned library checking for now
# see: http://docstore.mik.ua/orelly/unix3/mac/ch05_04.htm for proper naming
link._setup_versioned_lib_variables(env, tool = 'applelink')#, use_soname = use_soname)
env['LINKCALLBACKS'] = link._versioned_lib_callbacks()
# 'VersionedShLibSuffix': _versioned_lib_suffix,
env['LINKCALLBACKS']['VersionedShLibSuffix'] = _applelib_versioned_lib_suffix
env['LINKCALLBACKS']['VersionedShLibSoname'] = _applelib_versioned_shlib_soname
env['APPLELINK_CURRENT_VERSION'] = _applelib_currentVersionFromSoVersion
env['APPLELINK_COMPATIBILITY_VERSION'] = _applelib_compatVersionFromSoVersion
env['_SHLIBVERSIONFLAGS'] = '$APPLELINK_CURRENT_VERSION $APPLELINK_COMPATIBILITY_VERSION '
env['_LDMODULEVERSIONFLAGS'] = '$APPLELINK_CURRENT_VERSION $APPLELINK_COMPATIBILITY_VERSION '
# override the default for loadable modules, which are different
# on OS X than dynamic shared libs. echoing what XCode does for
# pre/suffixes:
env['LDMODULEPREFIX'] = ''
env['LDMODULESUFFIX'] = ''
env['LDMODULEFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -bundle')
env['LDMODULECOM'] = '$LDMODULE -o ${TARGET} $LDMODULEFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS $_FRAMEWORKPATH $_FRAMEWORKS $FRAMEWORKSFLAGS'
def exists(env):
return env['PLATFORM'] == 'darwin'
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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