CVS log for pkgsrc/lang/ghc/buildlink3.mk

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Set BUILDLINK_ABI_DEPENDS correctly (with +=, not ?=)
It turns out there were a lot of these.

Recursive revision bump for GMP update, 2nd part.

Recursive ABI depends update and PKGREVISION bump for readline-6.0 shlib
major change.

Reported by Robert Elz in PR 41345.

Simply and speed up buildlink3.mk files and processing.
This changes the buildlink3.mk files to use an include guard for the
recursive include. The use of BUILDLINK_DEPTH, BUILDLINK_DEPENDS,
BUILDLINK_PACKAGES and BUILDLINK_ORDER is handled by a single new
variable BUILDLINK_TREE. Each buildlink3.mk file adds a pair of
enter/exit marker, which can be used to reconstruct the tree and
to determine first level includes. Avoiding := for large variables
(BUILDLINK_ORDER) speeds up parse time as += has linear complexity.
The include guard reduces system time by avoiding reading files over and
over again. For complex packages this reduces both %user and %sys time to
half of the former time.

Update ghc to 6.8.3.  Thanks to Donn Cave for bugfix patches.

Changes in 6.8.3:
* The arguments to ghc-pkg now understand lists and wildcards, and
  there is a new command ghc-pkg find-module.

* The filename completion in ghci is now more intelligent.

* We now look for GHCi config files in these locations:
    ./.ghci
    $HOME/.ghc/ghci.conf
    $HOME/.ghci

* You can now give multiple -e options to GHC.

* You can now use the -prof and -threaded flags together, although
  you cannot also use +RTS -N2.

* SCC names are no longer allowed to contain spaces, as some of the
  profiling tools break if they do.

* Various changes have been made to GHC's internals, so there are some
  differences in the API exposed by the ghc package. Most notably,
  checkAndLoadModule has now been implemented.

Update lang/ghc to 6.6.1.

Many, many bugs have been fixed relative to 6.6. Far too many to list here.

The other changes in this release are:
* GHC works on Windows Vista.
* GHC can now be used to compile C++ files.
* There is an --install-signal-handlers=<yes|no> RTS flag. The main use is
  to stop GHC installing signal handlers when you are putting your code in
   a DLL.
* Newtypes can now be defined using GADT syntax.
* Linear implicit parameters are no longer accepted.
* There is a manpage for ghc and ghci.
* The building guide has been moved to the wiki.
* GHC now comes with the filepath library.

Update ghc to version 6.6.

This version represent >19 month of development since the version 6.4,
and the list of changes is far too big to include here.  See
  http://www.haskell.org/ghc/docs/6.6/html/users_guide/release-6-6.html
for the list of user visible changes.

Change the format of BUILDLINK_ORDER to contain depth information as well,
and add a new helper target and script, "show-buildlink3", that outputs
a listing of the buildlink3.mk files included as well as the depth at
which they are included.

For example, "make show-buildlink3" in fonts/Xft2 displays:

	zlib
	fontconfig
	    iconv
	    zlib
	    freetype2
	    expat
	freetype2
	Xrender
	    renderproto

Track information in a new variable BUILDLINK_ORDER that informs us
of the order in which buildlink3.mk files are (recursively) included
by a package Makefile.

Aligned the last line of the buildlink3.mk files with the first line, so
that they look nicer.

Over 1200 files touched but no revisions bumped :)

RECOMMENDED is removed. It becomes ABI_DEPENDS.

BUILDLINK_RECOMMENDED.foo becomes BUILDLINK_ABI_DEPENDS.foo.

BUILDLINK_DEPENDS.foo becomes BUILDLINK_API_DEPENDS.foo.

BUILDLINK_DEPENDS does not change.

IGNORE_RECOMMENDED (which defaulted to "no") becomes USE_ABI_DEPENDS
which defaults to "yes".

Added to obsolete.mk checking for IGNORE_RECOMMENDED.

I did not manually go through and fix any aesthetic tab/spacing issues.

I have tested the above patch on DragonFly building and packaging
subversion and pkglint and their many dependencies.

I have also tested USE_ABI_DEPENDS=no on my NetBSD workstation (where I
have used IGNORE_RECOMMENDED for a long time). I have been an active user
of IGNORE_RECOMMENDED since it was available.

As suggested, I removed the documentation sentences suggesting bumping for
"security" issues.

As discussed on tech-pkg.

I will commit to revbump, pkglint, pkg_install, createbuildlink separately.

Note that if you use wip, it will fail!  I will commit to pkgsrc-wip
later (within day).

We include gmp/buildlink3.mk outside of the BUILDLINK_DEPTH guards so
that "gmp" is registered as a direct dependency for any package that
includes ghc/buildlink3.mk to get ghc as a build dependency.  This is
needed since software built by ghc requires routines from the "gmp"
shared library.  This fixes PR pkg/33100.

Remove the workaround in devel/darcs and x11/wxhaskell.

Recursive revision bump / recommended bump for gettext ABI change.

Add buildlink3.mk file, needed by wip/darcs.
Closes PR 26624 by Roland Illig.