put the tools in ${WRKDIR}/.tools/bin instead of in ${BUILDLINK_DIR},
and remove the need for buildlink2 to use USE_GNU_TOOLS. In the
modified USE_GNU_TOOLS implementation, the following implementation-
specific variables have the following meanings:
_TOOLS_REPLACE.<tool>
means that we want ${AWK}, ${SED}, etc. symlinked into
${TOOLS_DIR} as awk, sed, etc.
_TOOLS_NEED_GNU.<tool>
means that we want to use the pkgsrc version of <tool>
symlinked info ${TOOLS_DIR} as awk, sed, etc. If this is
"YES", then it always trumps _TOOLS_REPLACE.<tool>.
And we want nothing to happen if we're building the pkgsrc GNU tool
itself. The modified USE_GNU_TOOLS implementation should also
hopefully fix the circular dependency problem.
Create a new target "tools" that is run after "patch" and before
"buildlink" that populates the ${TOOLS_DIR} directory. This ensures
that it's always run at the right time, instead of relying on
pre-buildlink or pre-configure, which may be cancelled by
NO_BUILDLINK or NO_CONFIGURE.
XXX There is some possible fallout in texinfo.mk with the MAKE_ENV and
XXX CONFIGURE_ENV settings for INSTALL_INFO and MAKEINFO. It looks
XXX like the MAKE_ENV and CONFIGURE_ENV settings should move from
XXX tools.mk into texinfo.mk, and they no longer need to be
XXX conditional on USE_BUILDLINK2. I'll leave it to the texinfo.mk
XXX dude (Hi, Stoned!).
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