131 lines
4.5 KiB
Python
131 lines
4.5 KiB
Python
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# MIT License
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#
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# Copyright The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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from SCons.Tool import createLoadableModuleBuilder
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from .SharedLibrary import shlib_symlink_emitter
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from . import lib_emitter
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def ldmod_symlink_emitter(target, source, env, **kw):
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return shlib_symlink_emitter(target, source, env, variable_prefix='LDMODULE')
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def _get_ldmodule_stem(target, source, env, for_signature):
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"""
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Get the basename for a library (so for libxyz.so, return xyz)
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:param target:
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:param source:
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:param env:
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:param for_signature:
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:return:
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"""
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target_name = str(target)
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ldmodule_prefix = env.subst('$LDMODULEPREFIX')
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ldmodule_suffix = env.subst("$_LDMODULESUFFIX")
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if target_name.startswith(ldmodule_prefix):
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target_name = target_name[len(ldmodule_prefix):]
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if target_name.endswith(ldmodule_suffix):
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target_name = target_name[:-len(ldmodule_suffix)]
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return target_name
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def _ldmodule_soversion(target, source, env, for_signature):
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"""Function to determine what to use for SOVERSION"""
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if 'SOVERSION' in env:
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return '.$SOVERSION'
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elif 'LDMODULEVERSION' in env:
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ldmod_version = env.subst('$LDMODULEVERSION')
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# We use only the most significant digit of LDMODULEVERSION
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return '.' + ldmod_version.split('.')[0]
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else:
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return ''
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def _ldmodule_soname(target, source, env, for_signature):
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if 'SONAME' in env:
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return '$SONAME'
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else:
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return "$LDMODULEPREFIX$_get_ldmodule_stem${LDMODULESUFFIX}$_LDMODULESOVERSION"
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def _LDMODULEVERSION(target, source, env, for_signature):
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"""
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Return "." + version if it's set, otherwise just a blank
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"""
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value = env.subst('$LDMODULEVERSION', target=target, source=source)
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# print("_has_LDMODULEVERSION:%s"%value)
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if value:
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return "."+value
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else:
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return ""
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def setup_loadable_module_logic(env):
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"""
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Just the logic for loadable modules
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For most platforms, a loadable module is the same as a shared
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library. Platforms which are different can override these, but
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setting them the same means that LoadableModule works everywhere.
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:param env:
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:return:
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"""
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createLoadableModuleBuilder(env)
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env['_get_ldmodule_stem'] = _get_ldmodule_stem
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env['_LDMODULESOVERSION'] = _ldmodule_soversion
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env['_LDMODULESONAME'] = _ldmodule_soname
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env['LDMODULENAME'] = '${LDMODULEPREFIX}$_get_ldmodule_stem${_LDMODULESUFFIX}'
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# This is the non versioned LDMODULE filename
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# If LDMODULEVERSION is defined then this will symlink to $LDMODULENAME
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env['LDMODULE_NOVERSION_SYMLINK'] = '$_get_shlib_dir${LDMODULEPREFIX}$_get_ldmodule_stem${LDMODULESUFFIX}'
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# This is the sonamed file name
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# If LDMODULEVERSION is defined then this will symlink to $LDMODULENAME
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env['LDMODULE_SONAME_SYMLINK'] = '$_get_shlib_dir$_LDMODULESONAME'
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env['_LDMODULEVERSION'] = _LDMODULEVERSION
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env['_LDMODULEVERSIONFLAGS'] = '$LDMODULEVERSIONFLAGS -Wl,-soname=$_LDMODULESONAME'
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env['LDMODULEEMITTER'] = [lib_emitter, ldmod_symlink_emitter]
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env['LDMODULEPREFIX'] = '$SHLIBPREFIX'
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env['_LDMODULESUFFIX'] = '${LDMODULESUFFIX}${_LDMODULEVERSION}'
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env['LDMODULESUFFIX'] = '$SHLIBSUFFIX'
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env['LDMODULE'] = '$SHLINK'
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env['LDMODULEFLAGS'] = '$SHLINKFLAGS'
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env['LDMODULECOM'] = '$LDMODULE -o $TARGET $LDMODULEFLAGS $__LDMODULEVERSIONFLAGS $__RPATH $SOURCES ' \
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'$_LIBDIRFLAGS $_LIBFLAGS '
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env['LDMODULEVERSION'] = '$SHLIBVERSION'
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env['LDMODULENOVERSIONSYMLINKS'] = '$SHLIBNOVERSIONSYMLINKS'
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