Le Saturday 11 September 2010 22:52:09, walt a écrit : > On 09/11/2010 02:13 AM, Stéphane Guedon wrote: > > synce few days, I have a message of portage suggestiung me to use the > > "static- libs" USE flag for media-libs/jpeg-6b. > > > > What may be the consequence ? Please be gentle with explaining this sorte > > of things, as I have not the knowledges to understand the full compile > > process, otherwise I am a little bit familiar with it ! > > I have jpeg-8b, so I can't be sure about 6b. I just turned on the > static-libs USE flag and re-installed jpeg. The only difference is that > the 'static' lib "/usr/lib/libjpeg.a" wasn't there before and it is now, > that's all. > > Is your system trying to upgrade jpeg to a newer version? I notice that 6b > doesn't use any USE flags, and the newer versions do use the static-libs > flag. (Just re-installing 6b shouldn't complain about USE flags because > the package doesn't look for them.) > > Any program that uses the dynamic libjpeg.so would need to be re-compiled > if the version of jpeg changes. If the static library is used instead, > the program no longer needs libjpeg.so because the static library is > linked into the binary executable at compile-time. The price you pay is a > larger binary executable, but you never need to worry about future jpeg > version changes. > > I don't know how portage chooses between static and dynamic libs while > building a package. Anyone else know?
In fact, static-libs is for jpeg-8b , but Imade a mistake when write the mail... So I can use the flag without worrying. Good ! Thanks ! -- Stéphane Guedon page web : http://www.22decembre.eu/ carte de visite : http://www.22decembre.eu/downloads/Stephane-Guedon.vcf clé publique gpg : http://www.22decembre.eu/downloads/Stephane-Guedon.asc
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