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-rw-r--r--src/engine/SCons/Tool/cyglink.py158
1 files changed, 148 insertions, 10 deletions
diff --git a/src/engine/SCons/Tool/cyglink.py b/src/engine/SCons/Tool/cyglink.py
index 87716cf..5230910 100644
--- a/src/engine/SCons/Tool/cyglink.py
+++ b/src/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)