[Libreoffice] gbuild of external libraries and question about apparently special case like zlib, jpeg etc.

[Bjoern Michaelsen]

On Mon, 05 Sep 2011 10:47:33 +0100
Caolán McNamara <caolanm at redhat.com> wrote:

> A practical example was libjpeg, iirc the stock libjpeg is always
> configured using platform endianness, while our internal one *was*
> configured little endian (or the other way around, stock is always
> little endian and we configured platform endian). So on solaris if you
> used the image preview of the gnome file picker you got reversed
> colours in jpegs seeing as the internal jpeg symbols got used and the
> gnome dialog was built against the stock system jpeg.
> 
> The various workaround aren't consistent so its a bit of a horror show
> at the moment anyway. As one aside, we should probably make the macosx
> "system" libs the stock baseline for all the unixes at this stage,
> i.e. system libxml2/xslt as well as the current system lz, libjpeg
> etc.
> 
> In the general case though, anyone got any ideas about a less fragile
> more universal solution where we could automatically change sonames
> and tweak symbol names so that *only* our own libs use/are affected by
> symbols in these bundled libs ?
> 
> As an aside, for prettyness, it would be nice to have the external
> headers and libs always installed in inc/external libs/external and
> add -I -L to the compiler/linker to find them. I gave a go at this at
> one stage but fell into some trap or other with the odbc headers IIRC

To add fun to this there is a unversioned libjpeg in the libpath you
need for compiling java-releated stuff (deployed from the jdk), which
makes the whole thing even more interesting.

Best,

Bjoern


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