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[Qemu-devel] Re: [PATCH 2/2] trace: avoid unnecessary recompilation if n

From: Paolo Bonzini
Subject: [Qemu-devel] Re: [PATCH 2/2] trace: avoid unnecessary recompilation if nothing changed
Date: Wed, 29 Sep 2010 13:42:51 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100907 Fedora/3.1.3-1.fc13 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.3

On 09/28/2010 10:58 AM, Markus Armbruster wrote:
That was from memory.  And my example makefile to illustrate the problem
was flawed.  So your patch might work reliably after all.  The common
make voodoo incantation for this is a stamp file, though, as Paolo
pointed out.

FWIW, Autoconf manual says that the stamp file is needed for low-resolution (1s or, for FAT, 2s) filesystems or something like that.


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