diff options
Diffstat (limited to 'src/engine/SCons/Tool/link.py')
-rw-r--r-- | src/engine/SCons/Tool/link.py | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/engine/SCons/Tool/link.py b/src/engine/SCons/Tool/link.py index d52a9e5..0af7776 100644 --- a/src/engine/SCons/Tool/link.py +++ b/src/engine/SCons/Tool/link.py @@ -142,6 +142,91 @@ def _versioned_ldmod_name(env, libnode, version, prefix, suffix, **kw): sg = SCons.Tool.LdModSuffixGenerator return _versioned_lib_name(env, libnode, version, prefix, suffix, pg, sg, **kw) +def _versioned_lib_suffix(env, suffix, version): + """For suffix='.so' and version='0.1.2' it returns '.so.0.1.2'""" + Verbose = False + if Verbose: + print "_versioned_lib_suffix: suffix=%r" % suffix + print "_versioned_lib_suffix: version=%r" % version + if not suffix.endswith(version): + suffix = suffix + '.' + version + if Verbose: + print "_versioned_lib_suffix: return suffix=%r" % suffix + return suffix + +def _versioned_lib_soname(env, libnode, version, prefix, suffix, name_func): + """For libnode='/optional/dir/libfoo.so.X.Y.Z' it returns 'libfoo.so.X'""" + Verbose = False + if Verbose: + print "_versioned_lib_soname: version=%r" % version + name = name_func(env, libnode, version, prefix, suffix) + if Verbose: + print "_versioned_lib_soname: name=%r" % name + major = version.split('.')[0] + soname = name + '.' + major + if Verbose: + print "_versioned_lib_soname: soname=%r" % soname + return soname + +def _versioned_shlib_soname(env, libnode, version, prefix, suffix): + return _versioned_lib_soname(env, libnode, version, prefix, suffix, _versioned_shlib_name) + +def _versioned_ldmod_soname(env, libnode, version, prefix, suffix): + return _versioned_lib_soname(env, libnode, version, prefix, suffix, _versioned_ldmod_name) + +def _versioned_lib_symlinks(env, libnode, version, prefix, suffix, name_func, soname_func): + """Generate link names that should be created for a versioned shared lirbrary. + Returns a dictionary in the form { linkname : linktarget } + """ + Verbose = False + + if Verbose: + print "_versioned_lib_symlinks: libnode=%r" % libnode.get_path() + print "_versioned_lib_symlinks: version=%r" % version + + if sys.platform.startswith('openbsd'): + # OpenBSD uses x.y shared library versioning numbering convention + # and doesn't use symlinks to backwards-compatible libraries + if Verbose: + print "_versioned_lib_symlinks: return symlinks=%r" % None + return None + + linkdir = libnode.get_dir() + if Verbose: + print "_versioned_lib_symlinks: linkdir=%r" % linkdir.get_path() + + name = name_func(env, libnode, version, prefix, suffix) + if Verbose: + print "_versioned_lib_symlinks: name=%r" % name + + soname = soname_func(env, libnode, version, prefix, suffix) + + link0 = env.fs.File(soname, linkdir) + link1 = env.fs.File(name, linkdir) + + # We create direct symlinks, not daisy-chained. + if link0 == libnode: + # This enables SHLIBVERSION without periods (e.g. SHLIBVERSION=1) + symlinks = [ (link1, libnode) ] + else: + # This handles usual SHLIBVERSION, i.e. '1.2', '1.2.3', etc. + symlinks = [ (link0, libnode), (link1, libnode) ] + + if Verbose: + print "_versioned_lib_symlinks: return symlinks=%r" % SCons.Tool.StringizeLibSymlinks(symlinks) + + return symlinks + +def _versioned_shlib_symlinks(env, libnode, version, prefix, suffix): + nf = _versioned_shlib_name + sf = _versioned_shlib_soname + return _versioned_lib_symlinks(env, libnode, version, prefix, suffix, nf, sf) + +def _versioned_ldmod_symlinks(env, libnode, version, prefix, suffix): + nf = _versioned_ldmod_name + sf = _versioned_ldmod_soname + return _versioned_lib_symlinks(env, libnode, version, prefix, suffix, nf, sf) + def generate(env): """Add Builders and construction variables for gnulink to an Environment.""" |