buildlink2.mk files back into the main trunk. This provides sufficient
buildlink2 infrastructure to start merging other packages from the
buildlink2 branch that have already been converted to use the buildlink2
framework.
to ${X11BASE} in the header and library search paths into references to
${LOCALBASE}/share/x11-links. These packages should now be strongly-
buildlinked regardless of whether xpkgwedge is installed.
Changes well-tested on NetBSD-1.5X/i386 with and without xpkgwedge and
lightly-tested on NetBSD-1.5.1/alpha without xpkgwedge.
-L and rpath specifications in the config files by directly substituting
their final values; this is needed since the configure script directly
manipulates these values via sed and needs the substituted values, not
just ${VAR}. Also honor CXXFLAGS passed in from the environment (possibly
containing optimization flags) during the build.
