[Haskell-iPhone] Hey Stephen - more on cross compiling

[Stephen Blackheath [to GHC-iPhone]]

CORRECTION

diff --git a/aclocal.m4 b/aclocal.m4
index 6e9801f..cf56a80 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -125,9 +125,9 @@ AC_DEFUN([FPTOOLS_CHECK_HTYPE_ELSE],[
      AC_MSG_CHECKING(Haskell type for $1)
      AC_CACHE_VAL(AC_CV_NAME,[
          AC_CV_NAME_supported=yes
-        FP_COMPUTE_INT([HTYPE_IS_INTEGRAL],
-                       [(($1)((int)(($1)1.4))) == (($1)1.4)],
-                       [FPTOOLS_HTYPE_INCLUDES],[AC_CV_NAME_supported=no])
+        HTYPE_IS_INTEGRAL=1
+        if test "$1" = "float" ; then HTYPE_IS_INTEGRAL=0; fi
+        if test "$1" = "double" ; then HTYPE_IS_INTEGRAL=0; fi
          if test "$AC_CV_NAME_supported" = "yes"
          then
              if test "$HTYPE_IS_INTEGRAL" -eq 0


On 14/01/13 16:51, Stephen Blackheath [to GHC-iPhone] wrote:
> Hi there -
>
> This is an answer to an email of two months ago. The proper fix for this
> issue:
>
>  > libraries/base/Foreign/C/Types.hs:164:405:
>  >      Not in scope: type constructor or class `HTYPE_DOUBLE'
>  >
>  > libraries/base/Foreign/C/Types.hs:164:478:
>  >      Not in scope: type constructor or class `HTYPE_DOUBLE'
>
> Is this patch to libraries/base:
>
> diff --git a/aclocal.m4 b/aclocal.m4
> index 6e9801f..306bc48 100644
> --- a/aclocal.m4
> +++ b/aclocal.m4
> @@ -125,9 +125,8 @@ AC_DEFUN([FPTOOLS_CHECK_HTYPE_ELSE],[
>       AC_MSG_CHECKING(Haskell type for $1)
>       AC_CACHE_VAL(AC_CV_NAME,[
>           AC_CV_NAME_supported=yes
> -        FP_COMPUTE_INT([HTYPE_IS_INTEGRAL],
> -                       [(($1)((int)(($1)1.4))) == (($1)1.4)],
> -                       [FPTOOLS_HTYPE_INCLUDES],[AC_CV_NAME_supported=no])
> +        if test "$1" = "float" ; then HTYPE_IS_INTEGRAL=0; fi
> +        if test "$1" = "double" ; then HTYPE_IS_INTEGRAL=0; fi
>           if test "$AC_CV_NAME_supported" = "yes"
>           then
>               if test "$HTYPE_IS_INTEGRAL" -eq 0
>
> You might need to type this, also:
>
>    cd libraries/base
>    autoreconf
>
> The original test doesn't work in cross-compiler mode.
>
>
> Steve
>
> On 20/11/12 16:33, Stephen Paul Weber wrote:
>> Somebody claiming to be Stephen Paul Weber wrote:
>>> Somebody claiming to be Stephen Paul Weber wrote:
>>>> Somebody claiming to be Stephen Paul Weber wrote:
>>>>> But it seems like maybe the configure flags are just not all being
>>>>> passed through to integer-gmp, so maybe it could work as well.  Not
>>>>> sure what the tradeoffs are?
>>>>
>>>> Seems like it's not just integer-gmp that isn't being passed the
>>>> configure flags:
>>
>> Sorry for being so noisy :)  More progress (ish):
>>
>> I added this to rules/build-package-data.mk :
>>
>> $1_$2_CONFIGURE_OPTS += --configure-option=--target=i486-pc-nto-qnx8.0.0
>> --configure-option=--host=i686-linux-gnu
>>
>> And it got much further.  Then there was a hiccup in the unix library,
>> but I'm pretty sure that was a QNX thing, so I patched that in what
>> seemed a sensible way.
>>
>> Then I got a weird error about test_array not being constant in
>> libraries/base/System/CPUTime.hsc, so I hacked that on line 190 to #if 0
>>
>> Then, maybe related to that hack, maybe not, I got:
>>
>> ghc-stage1: panic! (the 'impossible' happened)
>>    (GHC version 7.7.20121119 for i386-unknown-nto-qnx):
>>      expectJust initTcInteractive
>>
>> but on the next run that did not happen again.  I now get:
>>
>> libraries/base/Foreign/C/Types.hs:164:405:
>>      Not in scope: type constructor or class `HTYPE_DOUBLE'
>>
>> libraries/base/Foreign/C/Types.hs:164:478:
>>      Not in scope: type constructor or class `HTYPE_DOUBLE'
>>
>> libraries/base/Foreign/C/Types.hs:164:557:
>>      Not in scope: type constructor or class `HTYPE_DOUBLE'
>> make[1]: *** [libraries/base/dist-install/build/Foreign/C/Types.o]
>> Error 1
>> make: *** [all] Error 2
>>
>> So I hack ./libraries/base/include/HsBaseConfig.h to use Double for
>> HTYPE_DOUBLE and Float for HTYPE_FLOAT
>>
>> And... I have a stage1 build!  I have compiled and tested a hello world
>> app on my BB10 simulator.  So, it would be nice to clean some of this
>> up, and I'm not sure I made all the right choices, but it is minimally
>> worked :D
>>