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Most of the other users of the fptools build system have migrated to
Cabal, and with the move to darcs we can now flatten the source tree
without losing history, so here goes.
The main change is that the ghc/ subdir is gone, and most of what it
contained is now at the top level. The build system now makes no
pretense at being multi-project, it is just the GHC build system.
No doubt this will break many things, and there will be a period of
instability while we fix the dependencies. A straightforward build
should work, but I haven't yet fixed binary/source distributions.
Changes to the Building Guide will follow, too.
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Switch over to the new hierarchical libraries
---------------------------------------------
This commit reorganises our libraries to use the new hierarchical
module namespace extension.
The basic story is this:
- fptools/libraries contains the new hierarchical libraries.
Everything in here is "clean", i.e. most deprecated stuff has
been removed.
- fptools/libraries/base is the new base package
(replacing "std") and contains roughly what was previously
in std, lang, and concurrent, minus deprecated stuff.
Things that are *not allowed* in libraries/base include:
Addr, ForeignObj, ByteArray, MutableByteArray,
_casm_, _ccall_, ``'', PrimIO
For ByteArrays and MutableByteArrays we use UArray and
STUArray/IOUArray respectively now.
Modules previously called PrelFoo are now under
fptools/libraries/GHC. eg. PrelBase is now GHC.Base.
- fptools/libraries/haskell98 provides the Haskell 98 std.
libraries (Char, IO, Numeric etc.) as a package. This
package is enabled by default.
- fptools/libraries/network is a rearranged version of
the existing net package (the old package net is still
available; see below).
- Other packages will migrate to fptools/libraries in
due course.
NB. you need to checkout fptools/libraries as well as
fptools/hslibs now. The nightly build scripts will need to be
tweaked.
- fptools/hslibs still contains (almost) the same stuff as before.
Where libraries have moved into the new hierarchy, the hslibs
version contains a "stub" that just re-exports the new version.
The idea is that code will gradually migrate from fptools/hslibs
into fptools/libraries as it gets cleaned up, and in a version or
two we can remove the old packages altogether.
- I've taken the opportunity to make some changes to the build
system, ripping out the old hslibs Makefile stuff from
mk/target.mk; the new package building Makefile code is in
mk/package.mk (auto-included from mk/target.mk).
The main improvement is that packages now register themselves at
make boot time using ghc-pkg, and the monolithic package.conf
in ghc/driver is gone.
I've updated the standard packages but haven't tested win32,
graphics, xlib, object-io, or OpenGL yet. The Makefiles in
these packages may need some further tweaks, and they'll need
pkg.conf.in files added.
- Unfortunately all this rearrangement meant I had to bump the
interface-file version and create a bunch of .hi-boot-6 files :-(
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