diff options
Diffstat (limited to 'engine/SCons/Tool/cyglink.py')
| -rw-r--r-- | engine/SCons/Tool/cyglink.py | 158 |
1 files changed, 148 insertions, 10 deletions
diff --git a/engine/SCons/Tool/cyglink.py b/engine/SCons/Tool/cyglink.py index 87716cf..5230910 100644 --- a/engine/SCons/Tool/cyglink.py +++ b/engine/SCons/Tool/cyglink.py @@ -7,19 +7,27 @@ It will usually be imported through the generic SCons.Tool.Tool() selection method. """ +import re +import os import SCons.Action import SCons.Util +import SCons.Tool import gnulink +import link -def shlib_generator(target, source, env, for_signature): - cmd = SCons.Util.CLVar(['$SHLINK']) +def _lib_generator(target, source, env, for_signature, **kw): + try: cmd = kw['cmd'] + except KeyError: cmd = SCons.Util.CLVar(['$SHLINK']) + + try: vp = kw['varprefix'] + except KeyError: vp = 'SHLIB' - dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX') + dll = env.FindIxes(target, '%sPREFIX' % vp, '%sSUFFIX' % vp) if dll: cmd.extend(['-o', dll]) - cmd.extend(['$SHLINKFLAGS', '$__RPATH']) + cmd.extend(['$SHLINKFLAGS', '$__%sVERSIONFLAGS' % vp, '$__RPATH']) implib = env.FindIxes(target, 'IMPLIBPREFIX', 'IMPLIBSUFFIX') if implib: @@ -35,37 +43,141 @@ def shlib_generator(target, source, env, for_signature): return [cmd] -def shlib_emitter(target, source, env): - dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX') + +def shlib_generator(target, source, env, for_signature): + return _lib_generator(target, source, env, for_signature, + varprefix='SHLIB', + cmd = SCons.Util.CLVar(['$SHLINK'])) + +def ldmod_generator(target, source, env, for_signature): + return _lib_generator(target, source, env, for_signature, + varprefix='LDMODULE', + cmd = SCons.Util.CLVar(['$LDMODULE'])) + +def _lib_emitter(target, source, env, **kw): + Verbose = False + + if Verbose: + print "_lib_emitter: target[0]=%r" % target[0].get_path() + + try: vp = kw['varprefix'] + except KeyError: vp = 'SHLIB' + + try: libtype = kw['libtype'] + except KeyError: libtype = 'ShLib' + + dll = env.FindIxes(target, '%sPREFIX' % vp, '%sSUFFIX' % vp) no_import_lib = env.get('no_import_lib', 0) + if Verbose: + print "_lib_emitter: dll=%r" % dll.get_path() + if not dll or len(target) > 1: - raise SCons.Errors.UserError("A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")) + raise SCons.Errors.UserError("A shared library should have exactly one target with the suffix: %s" % env.subst("$%sSUFFIX" % vp)) # Remove any "lib" after the prefix - pre = env.subst('$SHLIBPREFIX') + pre = env.subst('$%sPREFIX' % vp) if dll.name[len(pre):len(pre)+3] == 'lib': dll.name = pre + dll.name[len(pre)+3:] + if Verbose: + print "_lib_emitter: dll.name=%r" % dll.name + orig_target = target target = [env.fs.File(dll)] target[0].attributes.shared = 1 + if Verbose: + print "_lib_emitter: after target=[env.fs.File(dll)]: target[0]=%r" % target[0].get_path() + # Append an import lib target if not no_import_lib: # Create list of target libraries as strings target_strings = env.ReplaceIxes(orig_target[0], - 'SHLIBPREFIX', 'SHLIBSUFFIX', + '%sPREFIX' % vp, '%sSUFFIX' % vp, 'IMPLIBPREFIX', 'IMPLIBSUFFIX') + if Verbose: + print "_lib_emitter: target_strings=%r" % target_strings implib_target = env.fs.File(target_strings) + if Verbose: + print "_lib_emitter: implib_target=%r" % implib_target.get_path() implib_target.attributes.shared = 1 target.append(implib_target) + symlinks = SCons.Tool.ImpLibSymlinkGenerator(env, implib_target, + implib_libtype=libtype, + generator_libtype=libtype+'ImpLib') + if Verbose: + print "_lib_emitter: implib symlinks=%r" % SCons.Tool.StringizeLibSymlinks(symlinks) + if symlinks: + SCons.Tool.EmitLibSymlinks(env, symlinks, implib_target, clean_targets = target[0]) + implib_target.attributes.shliblinks = symlinks + return (target, source) + +def shlib_emitter(target, source, env): + return _lib_emitter(target, source, env, varprefix='SHLIB', libtype='ShLib') + +def ldmod_emitter(target, source, env): + return _lib_emitter(target, source, env, varprefix='LDMODULE', libtype='LdMod') +def _versioned_lib_suffix(env, suffix, version): + """Generate versioned shared library suffix from a unversioned one. + If suffix='.dll', and version='0.1.2', then it returns '-0-1-2.dll'""" + Verbose = False + if Verbose: + print "_versioned_lib_suffix: suffix= ", suffix + print "_versioned_lib_suffix: version= ", version + cygversion = re.sub('\.', '-', version) + if not suffix.startswith('-' + cygversion): + suffix = '-' + cygversion + suffix + if Verbose: + print "_versioned_lib_suffix: return suffix= ", suffix + return suffix + +def _versioned_implib_name(env, libnode, version, prefix, suffix, **kw): + return link._versioned_lib_name(env, libnode, version, prefix, suffix, + SCons.Tool.ImpLibPrefixGenerator, + SCons.Tool.ImpLibSuffixGenerator, + implib_libtype=kw['libtype']) + +def _versioned_implib_symlinks(env, libnode, version, prefix, suffix, **kw): + """Generate link names that should be created for a versioned shared lirbrary. + Returns a list in the form [ (link, linktarget), ... ] + """ + Verbose = False + + if Verbose: + print "_versioned_implib_symlinks: libnode=%r" % libnode.get_path() + print "_versioned_implib_symlinks: version=%r" % version + + try: libtype = kw['libtype'] + except KeyError: libtype = 'ShLib' + + + linkdir = os.path.dirname(libnode.get_path()) + if Verbose: + print "_versioned_implib_symlinks: linkdir=%r" % linkdir + + name = SCons.Tool.ImpLibNameGenerator(env, libnode, + implib_libtype=libtype, + generator_libtype=libtype+'ImpLib') + if Verbose: + print "_versioned_implib_symlinks: name=%r" % name + + major = version.split('.')[0] + + link0 = env.fs.File(os.path.join(linkdir, name)) + symlinks = [(link0, libnode)] + + if Verbose: + print "_versioned_implib_symlinks: return symlinks=%r" % SCons.Tool.StringizeLibSymlinks(symlinks) + + return symlinks shlib_action = SCons.Action.Action(shlib_generator, generator=1) +ldmod_action = SCons.Action.Action(ldmod_generator, generator=1) def generate(env): """Add Builders and construction variables for cyglink to an Environment.""" @@ -74,8 +186,9 @@ def generate(env): env['LINKFLAGS'] = SCons.Util.CLVar('-Wl,-no-undefined') env['SHLINKCOM'] = shlib_action - env['LDMODULECOM'] = shlib_action + env['LDMODULECOM'] = ldmod_action env.Append(SHLIBEMITTER = [shlib_emitter]) + env.Append(LDMODULEEMITTER = [ldmod_emitter]) env['SHLIBPREFIX'] = 'cyg' env['SHLIBSUFFIX'] = '.dll' @@ -83,6 +196,31 @@ def generate(env): env['IMPLIBPREFIX'] = 'lib' env['IMPLIBSUFFIX'] = '.dll.a' + # Variables used by versioned shared libraries + env['_SHLIBVERSIONFLAGS'] = '$SHLIBVERSIONFLAGS' + env['_LDMODULEVERSIONFLAGS'] = '$LDMODULEVERSIONFLAGS' + + # SHLIBVERSIONFLAGS and LDMODULEVERSIONFLAGS are same as in gnulink... + + # LINKCALLBACKS are NOT inherited from gnulink + env['LINKCALLBACKS'] = { + 'VersionedShLibSuffix' : _versioned_lib_suffix, + 'VersionedLdModSuffix' : _versioned_lib_suffix, + 'VersionedImpLibSuffix' : _versioned_lib_suffix, + 'VersionedShLibName' : link._versioned_shlib_name, + 'VersionedLdModName' : link._versioned_ldmod_name, + 'VersionedShLibImpLibName' : lambda *args: _versioned_implib_name(*args, libtype='ShLib'), + 'VersionedLdModImpLibName' : lambda *args: _versioned_implib_name(*args, libtype='LdMod'), + 'VersionedShLibImpLibSymlinks' : lambda *args: _versioned_implib_symlinks(*args, libtype='ShLib'), + 'VersionedLdModImpLibSymlinks' : lambda *args: _versioned_implib_symlinks(*args, libtype='LdMod'), + } + + # these variables were set by gnulink but are not used in cyglink + try: del env['_SHLIBSONAME'] + except KeyError: pass + try: del env['_LDMODULESONAME'] + except KeyError: pass + def exists(env): return gnulink.exists(env) |