Building mono-2.8 for 64 bit - possible solution to the problem

[Josh Boyer]

On Wed, Oct 13, 2010 at 5:10 PM, Paul F. Johnson
<paul at all-the-johnsons.co.uk> wrote:
> Hi,
>
> In the wee small hours (UK time), I submitted mono-2.8 to koji.
> Unfortunately, it failed to build for 64 bit systems and gave the
> following error
>
> In file included from sgen-gc.c:784:0:
> sgen-los.c: In function 'los_scan_card_table':
> sgen-los.c:482:21: warning: initialization from incompatible pointer
> type
> sgen-los.c:501:15: warning: comparison of distinct pointer types lacks a
> cast
> sgen-gc.c: At top level:
> sgen-cardtable.c:229:1: warning: 'collect_faulted_cards' defined but not
> used
> {standard input}: Assembler messages:
> {standard input}:24487: Error: @TLSLDM reloc is not supported with
> 64-bit output format
> {standard input}:24487: Error: junk `@tlsld' after expression
> make[3]: *** [libmonoruntimesgen_la-sgen-gc.lo] Error 1
>
> After Googling around, I think I've hit the cause - it's down to the
> cross compiler used on koji (or could be). I found this...

koji doesn't cross compile at all.

> http://www.mail-archive.com/unattended-devel@lists.sourceforge.net/msg02316.html
>
> which seems to point to the cross compilation being the problem for
> building mono on the 64 bit buildsys.

If you look at your own build.log, you'll see very clearly during the
configure output that it is not cross compiling.

josh