From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Dike Subject: Re: linux-next: UML build error Date: Wed, 21 May 2008 16:05:15 -0400 Message-ID: <20080521200515.GB12373@c2.user-mode-linux.org> References: <48345B31.50904@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <48345B31.50904@googlemail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Gabriel C Cc: linux-next@vger.kernel.org, Linux Kernel list , user-mode-linux-devel@lists.sourceforge.net List-Id: linux-next.vger.kernel.org On Wed, May 21, 2008 at 07:26:09PM +0200, Gabriel C wrote: > CC arch/um/sys-x86_64/ksyms.o > arch/um/sys-x86_64/ksyms.c:5: error: '__memcpy' undeclared here (not in a function) > arch/um/sys-x86_64/ksyms.c:5: warning: type defaults to 'int' in declaration of '__memcpy' Does the patch below help? There's gcc-version-dependent logic in include/asm-x86/string_64.h which decides whether to declare memcpy or __memcpy and it looks like you're hitting that. Jeff -- Work email - jdike at linux dot intel dot com Index: linux-2.6.22/arch/um/sys-x86_64/ksyms.c =================================================================== --- linux-2.6.22.orig/arch/um/sys-x86_64/ksyms.c 2008-04-23 13:07:23.000000000 -0400 +++ linux-2.6.22/arch/um/sys-x86_64/ksyms.c 2008-05-21 16:03:03.000000000 -0400 @@ -2,4 +2,8 @@ #include "asm/string.h" /*XXX: we need them because they would be exported by x86_64 */ +#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4 +EXPORT_SYMBOL(memcpy); +#else EXPORT_SYMBOL(__memcpy); +#endif ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/