buildlink issue with symlink include subdir

[Mark Davies <mark%ecs.vuw.ac.nz@localhost>]

The graphics/wcslib package installs (among other things)


    include/wcslib

which is a symlink to include/${PKGNAME}

 ls -ld /usr/pkg/include/wcslib*
lrwxr-xr-x  1 root  wheel    11 Oct 15 13:43 /usr/pkg/include/wcslib -> 
wcslib-7.11
drwxr-xr-x  2 root  wheel  1024 Oct 15 13:43 /usr/pkg/include/wcslib-7.11

but if you then have another package that depends on this package (via 
buildlink) the wcslib symlink does not get added to the 
.buildlink/include tree and if that package then tries to
"-I/usr/pkg/include/wcslib"  as per the wcslib pkgconf file it fails.

Any suggestions on the best way to fix this?

Currently I have a hack in the calling package that does

pre-configure:
        ${LN}  -s wcslib-7.11 ${BUILDLINK_DIR}/include/wcslib



cheers
mark