introduce separate <link-runtime> feature.
Allow to use the 'lib' rule to declare
libraries that should be searched for.
* builtin.jam: Remove 'shared' features. Introduce
'link' and 'link-runtime'.
(searched-lib-target): New class
(searched-lib-generator): New generator.
(lib-action): New class, derived from 'action'.
Handles instances of 'searched-lib-target' in sources.
Also, moves all libraries from sources to property value,
so that we can repeat them twice in command line.
(lib-generator): Generator which uses 'lib-action'.
* generators.jam: Allow empty list of sources everywhere.
* virtual-target.jam (file-target): Split into
'abstract-file-target' and 'file-target'.
(abstra
(action.actualize-sources): New rule. Allows to
handle the fact that some sources are special,
and should not become $(>) in action body.
[SVN r16573]
* builtin.jam (variant): New rule.
* build-system.jam: Unconditionally add <toolset>gcc to build
request. Will be fixed when toolset support is ready.
* feature.jam (extend-feature): Bugfix.
[SVN r15678]
* targets.jam
(abstract-target.direct-build-request): New rule.
(project-target.direct-build-request): New rule.
(main-target.direct-build-request): New rule.
(main-target.generate): Use data stored by
'direct-build-request' to adjust build properties.
* build-system.jam: Call 'direct-build-request' on project
target in "."
* feature.jam (feature): Don't allow propagated free features.
[SVN r15677]
