Re: i386 emu build is broken

[Daniel Kiper]

On Tue, Mar 19, 2019 at 12:04:11PM +0100, Daniel Kiper wrote:
> Hey,
>
> I am trying to fix various build hiccups before the release.
> During that I found the following issue in i386 emu build.
> It is configured in the following way:
>   ./configure --target=i386 --with-platform=emu --enable-grub-mkfont 
> --prefix=...
>
> Then during build I see this:
>
>   In file included from lib/gnulib/regex.c:71:0:
>   lib/gnulib/regcomp.c: In function ‘parse_dup_op’:
>   lib/gnulib/regcomp.c:2637:41: error: cast to pointer from integer of 
> different size [-Werror=int-to-pointer-cast]
>          postorder (elem, mark_opt_subexp, (void *) subidx);
>                                            ^
>   lib/gnulib/regcomp.c: In function ‘mark_opt_subexp’:
>   lib/gnulib/regcomp.c:3859:13: error: cast from pointer to integer of 
> different size [-Werror=pointer-to-int-cast]
>      Idx idx = (uintptr_t) extra;
>                ^
>   cc1: all warnings being treated as errors

False alarm. i386 emu on an x86_64 Linux should be configured in the following 
way:

  ./configure CFLAGS=-m32 --host=i386 --target=i386 --with-platform=emu 
--prefix=...

If you want build emu platform for other CPUs then --host has to be equal 
--target.

Sorry for the noise.

Daniel