Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Ralf Baechle
On Tue, Aug 21, 2007 at 05:41:04PM -0300, Glauber de Oliveira Costa wrote: > Last time I tried a mips build, it would fail the compile unless I was > using _exactly_ 3.4.4 (I didn't tried older versions, but did try > 3.4.6, for ex.). So I also think the 3.4 series will still have to be > around f

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Jarek Poplawski
On Wed, Aug 22, 2007 at 10:10:16AM +0200, Jan Engelhardt wrote: > > On Aug 22 2007 10:08, Jarek Poplawski wrote: > >On Wed, Aug 22, 2007 at 09:57:04AM +0200, Jan Engelhardt wrote: > >> > >> On Aug 21 2007 23:41, Oliver Pinter wrote: > >> >I think it's bad idea, when removing support for gcc3.x, w

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Martin Michlmayr
* Jan Engelhardt <[EMAIL PROTECTED]> [2007-08-22 09:57]: > >I think it's bad idea, when removing support for gcc3.x, while some > >people using debian 3.1 at now and under debian 3.1 the default > >comiler is 3.3.5, when I good know or not!? > They always lag behind. Debian 4.0 has GCC 4.1 as the

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Michal Piotrowski
Hi, On 22/08/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > On Aug 22 2007 10:08, Jarek Poplawski wrote: > >On Wed, Aug 22, 2007 at 09:57:04AM +0200, Jan Engelhardt wrote: > >> > >> On Aug 21 2007 23:41, Oliver Pinter wrote: > >> >I think it's bad idea, when removing support for gcc3.x, while s

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Thomas Bogendoerfer
On Tue, Aug 21, 2007 at 05:41:04PM -0300, Glauber de Oliveira Costa wrote: > On 8/21/07, Chris Wedgwood <[EMAIL PROTECTED]> wrote: > > On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > > > > > Are there any architectures still requiring a gcc < 4.0 ? > > > > Yes, sadly in some places (

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Jan Engelhardt
On Aug 22 2007 10:08, Jarek Poplawski wrote: >On Wed, Aug 22, 2007 at 09:57:04AM +0200, Jan Engelhardt wrote: >> >> On Aug 21 2007 23:41, Oliver Pinter wrote: >> >I think it's bad idea, when removing support for gcc3.x, while some >> >people using debian 3.1 at now and under debian 3.1 the defaul

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Jarek Poplawski
On Wed, Aug 22, 2007 at 09:57:04AM +0200, Jan Engelhardt wrote: > > On Aug 21 2007 23:41, Oliver Pinter wrote: > >I think it's bad idea, when removing support for gcc3.x, while some > >people using debian 3.1 at now and under debian 3.1 the default > >comiler is 3.3.5, when I good know or not!? >

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Jan Engelhardt
On Aug 21 2007 23:41, Oliver Pinter wrote: >I think it's bad idea, when removing support for gcc3.x, while some >people using debian 3.1 at now and under debian 3.1 the default >comiler is 3.3.5, when I good know or not!? They always lag behind. Jan -- - To unsubscribe from this list:

Re: RFC: drop support for gcc < 4.0

2007-08-22 Thread Jarek Poplawski
On Tue, Aug 21, 2007 at 01:32:50PM -0700, Linus Torvalds wrote: > > > On Tue, 21 Aug 2007, Adrian Bunk wrote: > > > > How many people e.g. test -rc kernels compiled with gcc 3.2? > > How could anybody know? It shouldn't be so hard: a) statistically: by doing some random math with: int number

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Jarek Poplawski
On Wed, Aug 22, 2007 at 02:08:33AM +0200, Segher Boessenkool wrote: > >>>How many people e.g. test -rc kernels compiled with gcc 3.2? I confirm gcc version: ~/src/linux-2.6.23-rc3$ gcc -v Reading specs from /usr/lib/gcc-lib/i486-slackware-linux/3.2.3/specs Configured with: ../gcc-3.2.3/configure

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Robert P. J. Day
On Tue, 21 Aug 2007, Adrian Bunk wrote: > It is an option to say "gcc >= 4.0 on i386 and >= 3.4 on all other > architectures is required". if you're going to do something like that, you might as well take the extra step and start keeping track of which versions of gcc work with which architectu

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Segher Boessenkool
How many people e.g. test -rc kernels compiled with gcc 3.2? Why would that matter? It either works or not. If it doesn't work, it can either be fixed, or support for that old compiler version can be removed. One bug report "kernel doesn't work / crash / ... when compiled with gcc 3.2, but w

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Adrian Bunk
On Tue, Aug 21, 2007 at 04:49:38PM -0500, James Bottomley wrote: > On Tue, 2007-08-21 at 23:21 +0200, Adrian Bunk wrote: > > On Tue, Aug 21, 2007 at 10:49:49PM +0200, Segher Boessenkool wrote: > > >> How many people e.g. test -rc kernels compiled with gcc 3.2? > > > > > > Why would that matter? It

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread James Bottomley
On Tue, 2007-08-21 at 23:21 +0200, Adrian Bunk wrote: > On Tue, Aug 21, 2007 at 10:49:49PM +0200, Segher Boessenkool wrote: > >> How many people e.g. test -rc kernels compiled with gcc 3.2? > > > > Why would that matter? It either works or not. If it doesn't > > work, it can either be fixed, or s

RFC: drop support for gcc < 4.0

2007-08-21 Thread Oliver Pinter
Hi all! I think it's bad idea, when removing support for gcc3.x, while some people using debian 3.1 at now and under debian 3.1 the default comiler is 3.3.5, when I good know or not!? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTE

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Adrian Bunk
On Tue, Aug 21, 2007 at 10:49:49PM +0200, Segher Boessenkool wrote: >> How many people e.g. test -rc kernels compiled with gcc 3.2? > > Why would that matter? It either works or not. If it doesn't > work, it can either be fixed, or support for that old compiler > version can be removed. One bug

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Glauber de Oliveira Costa
On 8/21/07, Segher Boessenkool <[EMAIL PROTECTED]> wrote: > > Last time I tried a mips build, it would fail the compile unless I was > > using _exactly_ 3.4.4 (I didn't tried older versions, but did try > > 3.4.6, for ex.). > > If 3.4.4 works where 3.4.6 doesn't, you should report this as a > bug;

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Segher Boessenkool
Last time I tried a mips build, it would fail the compile unless I was using _exactly_ 3.4.4 (I didn't tried older versions, but did try 3.4.6, for ex.). If 3.4.4 works where 3.4.6 doesn't, you should report this as a bug; either here, or to the GCC team (but please be aware that the 3.4 series

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Segher Boessenkool
How many people e.g. test -rc kernels compiled with gcc 3.2? Why would that matter? It either works or not. If it doesn't work, it can either be fixed, or support for that old compiler version can be removed. The only other policy than "only remove support if things are badly broken" would be

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Glauber de Oliveira Costa
On 8/21/07, Chris Wedgwood <[EMAIL PROTECTED]> wrote: > On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > > > Are there any architectures still requiring a gcc < 4.0 ? > > Yes, sadly in some places (embedded) there are people with older > compiler who want newer kernels. Last time I t

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Linus Torvalds
On Tue, 21 Aug 2007, Adrian Bunk wrote: > > How many people e.g. test -rc kernels compiled with gcc 3.2? How could anybody know? Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Adrian Bunk
On Tue, Aug 21, 2007 at 01:08:25PM -0700, Linus Torvalds wrote: > > > On Tue, 21 Aug 2007, Adrian Bunk wrote: > > > > > > Bogus warnings should be relatively harmless. > > > > How many kernel developers use such old gcc versions? > > It's NOT about "kernel developers". > > It's about random p

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Linus Torvalds
On Tue, 21 Aug 2007, Adrian Bunk wrote: > > > > Bogus warnings should be relatively harmless. > > How many kernel developers use such old gcc versions? It's NOT about "kernel developers". It's about random people testing kernels. If we make it harder for people to test kernels, we're going t

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Adrian Bunk
On Tue, Aug 21, 2007 at 09:19:59PM +0200, Andi Kleen wrote: > On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > > Obviously a gcc <= 3.4 [1], and therefore no unit-at-a-time. > > Actually there are widely used 3.3 variants that support unit-at-a-time > (e.g. 3.3-hammer which was shipp

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Chris Wedgwood
On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > Are there any architectures still requiring a gcc < 4.0 ? Yes, sadly in some places (embedded) there are people with older compiler who want newer kernels. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in t

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Adrian Bunk
On Tue, Aug 21, 2007 at 06:54:53PM +0100, Russell King wrote: > On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > > On Tue, Aug 21, 2007 at 09:31:03AM -0700, Randy Dunlap wrote: > > > On Tue, 21 Aug 2007 15:20:38 +0200 Jarek Poplawski wrote: > > > > > > > Here are some more of, probab

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Kyle McMartin
On Tue, Aug 21, 2007 at 06:54:53PM +0100, Russell King wrote: > I want to keep support for gcc 3.4.3 for ARM for the forseeable future. > From my point of view, gcc 4 compilers have been something of a development > thing as far as the ARM architecture goes. Also, gcc 3.4.3 is faster and > signifi

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Andi Kleen
On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > Obviously a gcc <= 3.4 [1], and therefore no unit-at-a-time. Actually there are widely used 3.3 variants that support unit-at-a-time (e.g. 3.3-hammer which was shipped by several distributions for some time) There are still a lot of s

Re: RFC: drop support for gcc < 4.0

2007-08-21 Thread Russell King
On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote: > On Tue, Aug 21, 2007 at 09:31:03AM -0700, Randy Dunlap wrote: > > On Tue, 21 Aug 2007 15:20:38 +0200 Jarek Poplawski wrote: > > > > > Here are some more of, probably well-known, warnings with attached > > > testing-only .config. > > >.

RFC: drop support for gcc < 4.0

2007-08-21 Thread Adrian Bunk
On Tue, Aug 21, 2007 at 09:31:03AM -0700, Randy Dunlap wrote: > On Tue, 21 Aug 2007 15:20:38 +0200 Jarek Poplawski wrote: > > > Here are some more of, probably well-known, warnings with attached > > testing-only .config. > >... > > drivers/pci/msi.c:686: warning: weak declaration of `arch_msi_chec