[pve-devel] Relax gcc check in Makefile

Michael Rasmussen mir at datanom.net
Wed Jul 9 09:01:13 CEST 2014


On Wed, 9 Jul 2014 03:42:32 +0000
Dietmar Maurer <dietmar at proxmox.com> wrote:

> > - Relax gcc check in Makefile so any gcc version 4.7 can be used.
> >   Debian Sid has version 4.7.4
> 
> We encountered serious problems/crashes when using other versions, so I
> hardcode that to make sure I always run the correct version.
> 
but 4.7.4 and 4.7.2 should not make a difference. I have been running
my own compiled kernels using gcc-4.7 (4.7.4) from Debian Sid for a long
time without problems.

> > - Honor CC environment so compiling with non default gcc is
> >   possible without changing symliks. Example:
> >   make CC=gcc-4.7
> 
> AFAIK the kernel Makefile does not use CC environment.
> 
It does. Try the following:
objdump -s -j .comment linux-2.6-3.10.0/vmlinux.o

output display amounts other things:
...
c4d0 616e2034 2e372e34 2d312920 342e372e  an 4.7.4-1) 4.7.
 c4e0 34000047 43433a20 28446562 69616e20  4..GCC: (Debian 
 c4f0 342e372e 342d3129 20342e37 2e3400    4.7.4-1) 4.7.4. 


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