Re: way to force using i686... on pkg-config?

[Boyd Lynn Gerber <gerberb%zenez.com@localhost>]

On Saturday 2022-01-22 12:51, David Brownlee wrote:

> On Fri, 21 Jan 2022 at 17:48, Boyd Lynn Gerber <gerberb%zenez.com@localhost> wrote:
> > I can't seem to get past this issue natively I build using
> >
> > host='i686-unknown-sysv5UnixWare7.1.4'
> > host_alias='i686-unknown-sysv5UnixWare7.1.4'
> >
> > This is what I am seeing.
> >
> > checking for lock-free atomic intrinsics... configure: error: GLib must
> > be build with -march=i486 or later.
> > configure: error: ./configure failed for glib
> > *** Error code 1
>
> OK, this is due to the following failing to compile/run (whitespace
> compacted for email)
>
> int main () {
> volatile int atomic = 2;
> __sync_bool_compare_and_swap (&atomic, 2, 3);;
> return 0;
> }

> gcc /tmp/swaptest.c && ./a.out && echo OK

$ gcc /tmp/swaptest.c && ./a.out && echo OK
/var/tmp//ccLlWqFA.o: In function `main':
swaptest.c:(.text+0x24): undefined reference to 
`__sync_bool_compare_and_swap_4'
collect2: error: ld returned 1 exit status

> gcc -march=i486 /tmp/swaptest.c && ./a.out && echo OK

$ gcc -march=i486 /tmp/swaptest.c && ./a.out && echo OK
OK

> gcc -march=i686 /tmp/swaptest.c && ./a.out && echo OK

$ gcc -march=i686 /tmp/swaptest.c && ./a.out && echo OK
OK

Regards,

--
Boyd Gerber <gerberb%zenez.com@localhost> 801 849-0213
ZENEZ   1042 East Fort Union #135, Midvale Utah  84047