[Haskell-cafe] Building cross compiler fails

[Karel Gardas]

Hi,

cross-compilation with GHC is not ideal yet. I've hit your issue in the 
past to and solved this with wrapper and sysroot[1].

I think this should also work in your case.

Karel
[1]: https://ghcarm.wordpress.com/tag/cross-compiler/

On 10/14/14 02:23 PM, Jon Schneider wrote:
> I am after a ghc cross compiler. I have been cross compiling stuff for
> years and also built cross-compiling gcc from time to time but am having
> trouble building a cross-compiling ghc.
>
> I have read https://ghc.haskell.org/trac/ghc/wiki/CrossCompilation and
> associated pages.
>
> In the ghc-7.8.3 directory I do
> ./configure --target=arm-linux-gnueabi -with-gcc=arm-linux-gnueabi-gcc
>
> but make eventually fails (in stage 1)
>
> configure: error: in `/home/jon/build/ghc-7.8.3/libraries/terminfo':
> configure:3386: arm-linux-gnueabi-gcc -o conftest  -fno-stack-protector
> conftest.c -lncurses>&5
> /usr/lib/gcc/arm-linux-gnueabi/4.6/../../../../arm-linux-gnueabi/bin/ld:
> cannot find -lncurses
>
> Firstly the requirement for termcap is surely unnecessary. We don't need
> it as the target will just be processing data.
>
> We do have an libncurses kicking about and I know _exactly_ what -L option
> to pass to (in this case) arm-linux-gnueabi-gcc to make this work but
> where to specify it to ghc's build system escapes me.
>
> I have tried setting CFLAGS, LDFLAGS, CONF_GCC_LINKER_OPTS_STAGE1 the
> configure commandline and also mk/build.mk .
>
>> From searching it is clear this has tripped people up time and time again
> and that there is something missing from the documentation.
>
> So in summary please could
> https://ghc.haskell.org/trac/ghc/wiki/CrossCompilation be updated to show
> where to specify the CFLAGS and LDFLAGS that should accompany the compiler
> specified with -with-gcc (or derived from --target).
>
> Also more generally could the build documentation show how to omit frills
> like curses and termcap if at all possible.
>
> Jon
>
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