Ok, so now we know its possible! Now the question is how to create and use a
_registered_ hc file bundle.
The Build manual describes the process of cross compiling an _unregistered_ hc
file bundle, but has nothing to say about creating the simpler registered hc
file bundle for the purpose of bootstrapping GHC on an equivalent supported
platform but without a preinstalled ghc.
So, reading between the lines a little, here is what I propose trying. Please
take a look, and give me your thoughts if you think I am on the wrong track!
HOST: Has ghc, happy, alex installed.
TARGET: Same as host, but without ghc, happy alex.
On the HOST
-
Unpack src tree, and cd into it.
Configure with necessary options
$ ./configure --prefix=...
Section 10.2.1'Cross-compiling to produce an unregisterised GHC' in the build
manual suggests creating an mk/build.mk with following contents:
GhcUnregisterised = YES
GhcLibHcOpts = -O -fvia-C -keep-hc-files
GhcRtsHcOpts = -keep-hc-files
GhcLibWays =
SplitObjs = NO
GhcWithNativeCodeGen = NO
GhcWithInterpreter = NO
GhcStage1HcOpts = -O
GhcStage2HcOpts = -O -fvia-C -keep-hc-files
SRC_HC_OPTS += -H32m
GhcBootLibs = YES
Reading between the lines somewhat, for a full registered version we might
need something like
GhcUnregisterised = NO
GhcLibHcOpts = -O -fvia-C -keep-hc-files
GhcRtsHcOpts = -keep-hc-files
GhcLibWays =
SplitObjs = NO
GhcWithNativeCodeGen = YES
GhcWithInterpreter = YES
GhcStage1HcOpts = -O
GhcStage2HcOpts = -O -fvia-C -keep-hc-files
SRC_HC_OPTS += -H32m
GhcBootLibs = YES
Advice on this bit gratefully received!
The manual next suggests copying some target generated include files into the
host ghc source, but since they are the same I guess we can ignore that bit.
Now building exactly as described in the manual:
$ pushd glafp-utils make boot make popd
$ pushd ghc make boot make popd
Manual suggests the build might fail in RTS, but probably not for our
registered version ?
$ pushd libraries make boot make popd
$ pushd ghc/compiler make boot stage=2 make stage=2 popd
$ pushd ghc/lib/compat
$ make clean
$ rm .depend
$ make boot UseStage1=YES
$ make -k UseStage1=YES EXTRA_HC_OPTS='-O -fvia-C -keep-hc-files'
$ popd
$ pushd ghc/utils
$ make clean
$ make -k UseStage1=YES EXTRA_HC_OPTS='-O -fvia-C -keep-hc-files'
$ popd
$ make hc-file-bundle Project=Ghc
That should provide us with our hc-file-bundle, *-hc.tar.gz
On the TARGET
Unpack src tree, unpack the hc file bundle on top of it.
Cd into the src tree.
Now it should be a simple matter of
$ distrib/hc-build --prefix=dir
$ make install
Any comments/suggestions before I give it a try?
Thanks for all help so far, and in anticipation of more!
Andrew Walrond
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