ghci Problem

[Dominic Steinitz]

Dominic Steinitz wrote:
> Dominic Steinitz wrote:
>>> Ok I can see in config.log that I don't have editline. That sounds very
>>> suspicious. Mind you I'm not sure where to get it from for opensuse.
>>> I'll have a hunt around.
>>>
>> I found the editline package but now I have the following. I'm not even
>> sure installing the editline package is the right thing to do
>>
>>> dom at lagrange:~/editline/editline-0.2> ./Setup build
>>> Preprocessing library editline-0.2...
>>>
>>> In file included from Editline.hsc:52:0:
>>>
>>> include/HsEditline.h:11:0:
>>>      error: conflicting types for ‘el_get’
>>>
>>> /usr/include/histedit.h:112:0:
>>>      error: previous declaration of ‘el_get’ was here
>>> compiling dist/build/System/Console/Editline_hsc_make.c failed
>>> command was: /usr/local/bin/ghc -c -package base-3.0 -Iinclude dist/build/System/Console/Editline_hsc_make.c -o dist/build/System/Console/Editline_hsc_make.o
>>
> 
> Sorry for the running commentary but you can always hit delete.
> 
> This looks a bit dodgy in configure:
> 
>>   if "${GhcPkgCmd-ghc-pkg}" --show-package editline >/dev/null 2>&1; then
>>   fp_cv_ghc_has_editline=yes
>> else
>>   fp_cv_ghc_has_editline=no
>>  fi
> 
> As I suspect:
> 
>> dom at lagrange:~/ghc> ghc-pkg --show-package editline
>> ghc-pkg: unrecognized option `--show-package'
> 
> This works but configure doesn't seem to be in darcs so I'm not sure how
> to send a patch. Happy to raise a ticket. Let me know.
> 
>>   if "${GhcPkgCmd-ghc-pkg}" describe editline >/dev/null 2>&1; then
>>   fp_cv_ghc_has_editline=yes
>> else
>>   fp_cv_ghc_has_editline=no
>>  fi
> 
> Dominic.
> 

We seem to be back to a problem in readline again.

> Preprocessing library editline-0.2...
> In file included from Editline.hsc:52:
> include/HsEditline.h:11: error: conflicting types for ‘el_get’
> /usr/include/histedit.h:112: error: previous declaration of ‘el_get’ was here
> compiling dist/build/System/Console/Editline_hsc_make.c failed
> command was: gcc -c -D__GLASGOW_HASKELL__=609 -I/home/dom/ghc/includes -I/home/dom/ghc/gmp/gmpbuild -D__GLASGOW_HASKELL__=609 -Iinclude dist/build/System/Console/Editline_hsc_make.c -o dist/build/System/Console/Editline_hsc_make.o

Commenting out this line seems to make things compile.

> /* extern int el_get(EditLine *e, int op, void *result); */

Finally ghci works. I think I should get points for persistence.

Dominic.