Trying to build from the darcs repository

[Simon Marlow]

On 24/01/2010 13:51, Marco Túlio Gontijo e Silva wrote:
> Hi Florian.
>
> Dom, 2010-01-24 às 13:10 +0100, Florian Weimer escreveu:
>> How much memory does GHC need to build on amd64 GNU/Linux?  I'm trying
>> to build from the darcs repository, and this command
>>
>> "inplace/bin/ghc-stage1" -H32m -O -package-name terminfo-0.3.1.1
>>    -hide-all-packages -i ilibraries/terminfo/.
>>    --ilibraries/terminfo/dist-install/build
>>    -ilibraries/terminfo/dist-install/build/autogen
>>    -Ilibraries/terminfo/dist-install/build
>>    -Ilibraries/terminfo/dist-install/build/autogen
>>    --Ilibraries/terminfo/.  optP-include
>>    -optPlibraries/terminfo/dist-install/build/autogen/cabal_macros.h
>>    -package base-4.2.0.0 -package extensible-exceptions-0.1.1.1
>>    -split-objs -Wall -XForeignFunctionInterface -XDeriveDataTypeable
>>    -XEmptyDataDecls -XScopedTypeVariables -XFlexibleInstances -O2
>>    -XGenerics -fno-warn-deprecated-flags -odir
>>    -libraries/terminfo/dist-install/build -hidir
>>    -libraries/terminfo/dist-install/build -stubdir
>>    -libraries/terminfo/dist-install/build -hisuf hi -osuf o -hcsuf hc
>>    --c libraries/terminfo/./System/Console/Terminfo/Effects.hs -o
>>    -libraries/terminfo/dist-install/build/System/Console/Terminfo/Effects.o
>>
>> needs more than 3.5 GB of RAM.
>
> I guess this is related to
> http://hackage.haskell.org/trac/ghc/ticket/3831 .

For now, I think you want to use -O rather than -O2 for building the 
libraries (GhcLibHcOpts in mk/build.mk) until we can figure out what's 
going on in #3831.

Cheers,
	Simon