Re: Trunk bootstrap failure [Cygwin]

[Eli Zaretskii]

> Date: Wed, 07 Jul 2010 11:12:32 +0200
> From: Angelo Graziosi <address@hidden>
> CC: emacs <address@hidden>, Eli Zaretskii <address@hidden>, 
>  Ken Brown <address@hidden>
> 
> --- configure.orig      2010-07-02 11:27:38.000000000 +0200
> +++ configure   2010-07-06 10:45:21.656250000 +0200
> @@ -5864,7 +5864,7 @@
>   case $opsys in
>     cygwin )
>       LIB_MATH=
> -    START_FILES='ecrt0.o'
> +    START_FILES='pre-crt0.o'
>       ;;
>     darwin )
>       ## Adding -lm confuses the dynamic linker, so omit it.
> --- cygwin.h.orig       2010-06-06 11:34:28.000000000 +0200
> +++ cygwin.h    2010-07-07 10:24:22.625000000 +0200
> @@ -112,5 +112,7 @@
>      returns ENOSYS.  A workaround is to set G_SLICE=always-malloc. */
>   #define G_SLICE_ALWAYS_MALLOC
> 
> +#define TEXT_START      0x00400000
> +
>   /* arch-tag: 5ae7ba00-83b0-4ab3-806a-3e845779191b
>      (do not change this comment) */
> ============
> 
> ...and Emacs (rev. 100739) bootstraps fine...
> 
> But, are those patches the best solution? Are we sure that in the future 
> there will not pitfalls or drawbacks?
> 
> Eli, Ken, have you comments and/or suggestions?

Sorry, I don't know enough about the memory layout used by Cygwin and
about its startup code to speak intelligently about this.