[Xen-devel] Seabios build failure with gcc 6.2.0 in Debian Sid

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

Hi,

I'm reporting a build issue that I'm seeing when building Xen's
userspace tools, when the build process clones and build Seabios, on
Debian Sid, with gcc '6.2.0 20161019 (Debian 6.2.0-9)'.

The error looks like this (http://pastebin.com/99cubDZ3):

make -C seabios-dir all
make[6]: Entering directory 
'/home/SOURCES/xen/xen.git/tools/firmware/seabios-dir-remote'
  Compile checking out/src/stacks.o
src/stacks.c: Assembler messages:
src/stacks.c:567: Error: found `(', expected: `)'
src/stacks.c:567: Error: junk `(%ebp))' after expression
src/stacks.c:568: Warning: indirect call without `*'
Makefile:133: recipe for target 'out/src/stacks.o' failed
make[6]: *** [out/src/stacks.o] Error 1
make[6]: Leaving directory 
'/home/SOURCES/xen/xen.git/tools/firmware/seabios-dir-remote'
/home/SOURCES/xen/xen.git/tools/firmware/../../tools/Rules.mk:218: recipe for 
target 'subdir-all-seabios-dir' failed

Seabios folks may be aware of this already, as it looks very similar to
this:
https://www.mail-archive.com/debian-bugs-dist@xxxxxxxxxxxxxxxx/msg1463516.html

And even more to this:
https://lists.debian.org/debian-gcc/2016/10/msg00147.html

A colleague of mine (Cc-ed) said in chat that gcc 6.2.1 (don't know on
what distro) seems to build all fine.

Regards,
Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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