Armin K. wrote:
> Back in summer, I asked about libjpeg-turbo and if it should be added in
> the book.
>
> libjpeg-turbo is a fork of the original IJG libjpeg that uses SIMD to
> accelerate many things such as encoding and decoding of jpeg images.
>
> It is fully compatible with current libjpeg (v8) and old libjpeg (v6)
> and it implements some of it's own API as well in a seperate library.
>
> Some distros have already migrated from IJG libjpeg to libjpeg-turbo.
>
> Now, on to topic.
>
> When using --with-system-libjpeg in Firefox 18.0 configure process, it
> fails and prints out the following:
>
> checking for jpeg_destroy_compress in -ljpeg... yes
> configure: error: Insufficient JPEG library version for --with-system-jpeg
> *** Fix above errors and then restart with               "make -f
> client.mk build"
>
> config.log has the following:
>
> configure: In function 'main':
> configure:15475:23: error: #error "libjpeg-turbo JCS_EXTENSIONS required"
>
> The question is:
>
> Should we keep IJG libjpeg and remove --with-system-libjpeg from Firefox
> build instructions or should we replace IJG libjpeg with libjpeg-turbo?

I really can't comment on the particulars.  I've not had time to do much 
BLFS work lately.  I'd say to do what makes sense to you.

   -- Bruce


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