Remove unused targets from boostcpp.jam

boostcpp.jam

@@ -228,46 +228,9 @@ rule python-tag ( name : type ? : property-set )
 #
 #    - 'stage-proper' that puts all libraries in stage/lib
 #    - 'install-proper' that install libraries and headers to system location
-#    - 'stage-unversioned' that creates links to libraries without boost version
-#       in name
-#    - 'install-unversioned' which creates unversioned linked to installed
-#       libraries.
 #
 ################################################################################
 
-# Worker function suitable to the 'generate' metatarget. Creates a link to
-# 'source', striping any version number information from the name.
-rule make-unversioned-links ( project name ? : property-set : sources * )
-{
-    local filter ;
-    if [ modules.peek : NT ]
-    {
-        filter = "(.*[.]lib)" ;
-    }
-    else
-    {
-        filter =
-            "(.*[.]so)[.0-9]*"
-            "(.*[.]dylib)"
-            "(.*[.]a)" ;
-    }
-
-    local result ;
-    for local s in $(sources)
-    {
-        local m = [ MATCH "^(.*)-[0-9_]+$(filter)$" : [ $(s).name ] ] ;
-        if $(m)
-        {
-            local ea = [ $(s).action ] ;
-            local ep = [ $(ea).properties ] ;
-            local a = [ new non-scanning-action $(s) : symlink.ln : $(ep) ] ;
-            result += [ new file-target $(m:J=) exact : [ $(s).type ] :
-                $(project) : $(a) ] ;
-        }
-    }
-    return $(result) ;
-}
-
 rule filtered-target ( name : message + : sources + : requirements * )
 {
     message $(name)-message : warning\: $(message) ;
@@ -381,33 +344,6 @@ rule declare_install_and_stage_proper_targets ( libraries * : headers * : modula
           <install-no-version-symlinks>on
         ;
     $(p).mark-target-as-explicit stage-proper ;
-
-    # Commented out as it does not seem to work. Whoever wrote this originally,
-    # left some typos in the code, but when that got corrected and the code got
-    # enabled - it started reporting ambiguous/duplicate target Boost Build
-    # errors. Anyone requiring unversioned staged libraries needs to correct
-    # those errors before reenabling this code. For more detailed information
-    # see the related Boost library development mailing list thread at
-    # 'http://lists.boost.org/Archives/boost/2012/06/194312.php'.
-    #                                                (06.07.2012.) (Jurko)
-    #~ if $(layout-versioned) && ( [ modules.peek : NT ] || [ modules.peek : UNIX ] )
-    #~ {
-    #~     generate stage-unversioned : stage-proper :
-    #~         <generating-rule>@boostcpp.make-unversioned-links ;
-    #~     $(p).mark-target-as-explicit stage-unversioned ;
-    #~
-    #~     generate install-unversioned : install-proper :
-    #~         <generating-rule>@boostcpp.make-unversioned-links ;
-    #~     $(p).mark-target-as-explicit install-unversioned ;
-    #~ }
-    #~ else
-    {
-        # Create do-nothing aliases.
-        alias stage-unversioned ;
-        $(p).mark-target-as-explicit stage-unversioned ;
-        alias install-unversioned ;
-        $(p).mark-target-as-explicit install-unversioned ;
-    }
 }
 
 
@@ -558,11 +494,11 @@ rule declare_top_level_targets ( libraries * : headers * : modular-headers * )
 
     targets.create-metatarget top-level-target : [ project.current ]
         : install
-        : install-$(modular-headers)-headers install-proper install-unversioned
+        : install-$(modular-headers)-headers install-proper
         ;
     targets.create-metatarget top-level-target : [ project.current ]
         : stage
-        : stage-proper stage-unversioned headers
+        : stage-proper headers
         ;
 
     p = [ project.current ] ;