linux-kernel - Re: 2.6.18.2: cannot compile with gcc 3.0.4

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Message-Id: <200611101522.39821.s0348365@sms.ed.ac.uk>
Date:	Fri, 10 Nov 2006 15:22:39 +0000
From:	Alistair John Strachan <s0348365@....ed.ac.uk>
To:	Ludovic Drolez <ludovic.drolez@...box.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	trivial@...nel.org
Subject: Re: 2.6.18.2: cannot compile with gcc 3.0.4

On Friday 10 November 2006 11:56, Ludovic Drolez wrote:
> Jesper Juhl wrote:
> > If you had bothered to read Documentation/Changes then you would have
> > seen that the current minimal required gcc version is 3.2 :
>
> Ok sorry, I didn't see the change between 2.6.15 and 2.6.16.
> Maybe a test should be added in linux/compiler-gcc3.h, to have the same
> warning as with gcc 2.xx ?

Untested, but something like this should do it.

The kernel doesn't compile with GCC <3.2, do not allow it to succeed if GCC 
3.0.x or 3.1.x are used.

Signed-off-by: Alistair John Strachan <s0348365@....ed.ac.uk>

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 538423d..aca6698 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -40,7 +40,7 @@ #if __GNUC__ > 4
 #error no compiler-gcc.h file for this gcc version
 #elif __GNUC__ == 4
 # include <linux/compiler-gcc4.h>
-#elif __GNUC__ == 3
+#elif __GNUC__ == 3 && __GNUC_MINOR__ >= 2
 # include <linux/compiler-gcc3.h>
 #else
 # error Sorry, your compiler is too old/not recognized.

-- 
Cheers,
Alistair.

Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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