Invalid use of -m32 on certain targets

[Severin Gehwolf]

On Thu, 2018-04-12 at 18:56 +0200, Magnus Ihse Bursie wrote:
> > 12 apr. 2018 kl. 15:49 skrev John Paul Adrian Glaubitz <glaubitz at physik.fu-berlin.de>:
> > 
> > Hi!
> > 
> > I have been playing around with Zero on new (old) architectures and one
> > of them is hppa, which needs some additional work due to its stack growing
> > from bottom to top but that's another story.
> > 
> > Anyway, adding hppa to platform.m4 and running configure results in the
> > following error message:
> > 
> > configure:35290: checking whether the C compiler works
> > configure:35312: /usr/bin/hppa-linux-gnu-gcc -m32    -m32   conftest.c  >&5
> > hppa-linux-gnu-gcc: error: unrecognized command line option '-m32'
> > hppa-linux-gnu-gcc: error: unrecognized command line option '-m32'
> > configure:35316: $? = 1
> > configure:35354: result: no
> > configure: failed program was:
> > 
> > Didn't we recently have the discussion about which target gcc versions
> > understand "-m32" and which don't? Apparently, someone thought hppa's
> > gcc supports that option but apparently it doesn't.
> > 
> > Was there any conclusion on this discussion? I remember that some
> > people mentioned that the current situation is not ideal.
> 
> I agree. It's not ideal, and should be fixed. It's on my todo list
> but keep sinking to the bottom. If you want, you can open a bug on it
> and I just might get around to it a bit quicker. :)

I've just attempted "configure" on s390 and here is what I get:
configure:35266: checking whether the C compiler works
configure:35288: /usr/bin/gcc -m32    -m32   conftest.c  >&5
gcc: error: unrecognized command line option '-m32'
gcc: error: unrecognized command line option '-m32'
configure:35292: $? = 1
configure:35330: result: no
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "OpenJDK"
| #define PACKAGE_TARNAME "openjdk"
| #define PACKAGE_VERSION "jdk9"
| #define PACKAGE_STRING "OpenJDK jdk9"
| #define PACKAGE_BUGREPORT "build-dev at openjdk.java.net"
| #define PACKAGE_URL "http://openjdk.java.net"
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:35335: error: in `/jdk-hs':
configure:35337: error: C compiler cannot create executables

Indeed:
<mock-chroot> sh-4.2# gcc -m32 conftest.c 
gcc: error: unrecognized command line option ‘-m32’
<mock-chroot> sh-4.2# echo $?
1
<mock-chroot> sh-4.2# gcc conftest.c
<mock-chroot> sh-4.2# echo $?
0 

This must have broken recently :( I'll take a look. As it's preventing
me to test JDK-8201495

Is there a bug for this already?

Thanks,
Severin


> /Magnus
> 
> > 
> > Adrian
> > 
> > -- 
> > .''`.  John Paul Adrian Glaubitz
> > : :' :  Debian Developer - glaubitz at debian.org
> > `. `'   Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de
> >  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913
> > 
> 
>