diff options
Diffstat (limited to 'engine/SCons/Tool/__init__.py')
| -rw-r--r-- | engine/SCons/Tool/__init__.py | 129 |
1 files changed, 125 insertions, 4 deletions
diff --git a/engine/SCons/Tool/__init__.py b/engine/SCons/Tool/__init__.py index 5bee64d..b12095f 100644 --- a/engine/SCons/Tool/__init__.py +++ b/engine/SCons/Tool/__init__.py @@ -14,7 +14,7 @@ tool definition. """ # -# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 The SCons Foundation +# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 The SCons Foundation # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the @@ -35,10 +35,13 @@ tool definition. # 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__ = "src/engine/SCons/Tool/__init__.py issue-2856:2676:d23b7a2f45e8 2012/08/05 15:38:28 garyo" +__revision__ = "src/engine/SCons/Tool/__init__.py 2013/03/03 09:48:35 garyo" import imp import sys +import re +import os +import shutil import SCons.Builder import SCons.Errors @@ -233,6 +236,120 @@ def createStaticLibBuilder(env): return static_lib +def VersionShLibLinkNames(version, libname, env): + """Generate names of symlinks to the versioned shared library""" + Verbose = False + platform = env.subst('$PLATFORM') + shlib_suffix = env.subst('$SHLIBSUFFIX') + shlink_flags = SCons.Util.CLVar(env.subst('$SHLINKFLAGS')) + + linknames = [] + if version.count(".") != 2: + # We need a version string of the form x.y.z to proceed + # Several changes need to be made to support versions like x.y + raise ValueError + + if platform == 'darwin': + # For libfoo.x.y.z.dylib, linknames libfoo.so + suffix_re = re.escape('.' + version + shlib_suffix) + linkname = re.sub(suffix_re, shlib_suffix, libname) + if Verbose: + print "VersionShLibLinkNames: linkname = ",linkname + linknames.append(linkname) + elif platform == 'posix': + # For libfoo.so.x.y.z, linknames libfoo.so libfoo.so.x.y libfoo.so.x + suffix_re = re.escape(shlib_suffix + '.' + version) + # First linkname has no version number + linkname = re.sub(suffix_re, shlib_suffix, libname) + if Verbose: + print "VersionShLibLinkNames: linkname = ",linkname + linknames.append(linkname) + versionparts = version.split('.') + major_name = linkname + "." + versionparts[0] + minor_name = major_name + "." + versionparts[1] + #Only add link for major_name + #for linkname in [major_name, minor_name]: + for linkname in [major_name, ]: + if Verbose: + print "VersionShLibLinkNames: linkname ",linkname, ", target ",libname + linknames.append(linkname) + # note: no Windows case here (win32 or cygwin); + # MSVC doesn't support this type of versioned shared libs. + # (could probably do something for MinGW though) + return linknames + +def VersionedSharedLibrary(target = None, source= None, env=None): + """Build a shared library. If the environment has SHLIBVERSION +defined make a versioned shared library and create the appropriate +symlinks for the platform we are on""" + Verbose = False + try: + version = env.subst('$SHLIBVERSION') + except KeyError: + version = None + + # libname includes the version number if one was given + libname = target[0].name + platform = env.subst('$PLATFORM') + shlib_suffix = env.subst('$SHLIBSUFFIX') + shlink_flags = SCons.Util.CLVar(env.subst('$SHLINKFLAGS')) + if Verbose: + print "VersionShLib: libname = ",libname + print "VersionShLib: platform = ",platform + print "VersionShLib: shlib_suffix = ",shlib_suffix + print "VersionShLib: target = ",str(target[0]) + + if version: + # set the shared library link flags + if platform == 'posix': + suffix_re = re.escape(shlib_suffix + '.' + version) + (major, age, revision) = version.split(".") + # soname will have only the major version number in it + soname = re.sub(suffix_re, shlib_suffix, libname) + '.' + major + shlink_flags += [ '-Wl,-Bsymbolic', '-Wl,-soname=%s' % soname ] + if Verbose: + print " soname ",soname,", shlink_flags ",shlink_flags + elif platform == 'cygwin': + shlink_flags += [ '-Wl,-Bsymbolic', + '-Wl,--out-implib,${TARGET.base}.a' ] + elif platform == 'darwin': + shlink_flags += [ '-current_version', '%s' % version, + '-compatibility_version', '%s' % version, + '-undefined', 'dynamic_lookup' ] + if Verbose: + print "VersionShLib: shlink_flags = ",shlink_flags + envlink = env.Clone() + envlink['SHLINKFLAGS'] = shlink_flags + else: + envlink = env + + result = SCons.Defaults.ShLinkAction(target, source, envlink) + + if version: + # here we need the full pathname so the links end up in the right directory + libname = target[0].path + linknames = VersionShLibLinkNames(version, libname, env) + if Verbose: + print "VerShLib: linknames ",linknames + # Here we just need the file name w/o path as the target of the link + lib_ver = target[0].name + # make symlink of adjacent names in linknames + for count in range(len(linknames)): + linkname = linknames[count] + if count > 0: + os.symlink(os.path.basename(linkname),lastname) + if Verbose: + print "VerShLib: made sym link of %s -> %s" % (lastname,linkname) + lastname = linkname + # finish chain of sym links with link to the actual library + if len(linknames)>0: + os.symlink(lib_ver,lastname) + if Verbose: + print "VerShLib: made sym link of %s -> %s" % (lib_ver,linkname) + return result + +ShLibAction = SCons.Action.Action(VersionedSharedLibrary, None) + def createSharedLibBuilder(env): """This is a utility function that creates the SharedLibrary Builder in an Environment if it is not there already. @@ -245,7 +362,7 @@ def createSharedLibBuilder(env): except KeyError: import SCons.Defaults action_list = [ SCons.Defaults.SharedCheck, - SCons.Defaults.ShLinkAction ] + ShLibAction ] shared_lib = SCons.Builder.Builder(action = action_list, emitter = "$SHLIBEMITTER", prefix = '$SHLIBPREFIX', @@ -527,13 +644,16 @@ class ToolInitializer(object): # the ToolInitializer class. def Initializers(env): - ToolInitializer(env, ['install'], ['_InternalInstall', '_InternalInstallAs']) + ToolInitializer(env, ['install'], ['_InternalInstall', '_InternalInstallAs', '_InternalInstallVersionedLib']) def Install(self, *args, **kw): return self._InternalInstall(*args, **kw) def InstallAs(self, *args, **kw): return self._InternalInstallAs(*args, **kw) + def InstallVersionedLib(self, *args, **kw): + return self._InternalInstallVersionedLib(*args, **kw) env.AddMethod(Install) env.AddMethod(InstallAs) + env.AddMethod(InstallVersionedLib) def FindTool(tools, env): for tool in tools: @@ -679,3 +799,4 @@ def tool_list(platform, env): # indent-tabs-mode:nil # End: # vim: set expandtab tabstop=4 shiftwidth=4: + |