Re: [E-devel] entrance problems

[Carsten H. (T. R. <ra...@ra...>]

On Tue, 03 Feb 2004 16:37:37 +0100 Jochen Schroeder <js...@un...>
babbled:

> Corey Donohoe wrote:
> > Does evas_software_x11_test work for you(i.e. not a bunch of pastel
> > rectangles, colorful images)?  My guess would be a broken png loader in
> > evas.  The default pointer image is a png, and loaded with
> > ecore_evas_cursor_set.  I imagine this function is dependent the image
> > loaders your evas is compiled with. 
> > 
> > 
> OK the problem was indeed the png loader in evas, I have a working 
> libpng on my system, but it is linked against the system libz. The 
> configure script test for libpng does not include the right linker 
> flags, which results in the message
> checking whether to enable png image loader... yes
> checking for png_access_version_number in -lpng... no
> (I failed to pick that up when first compiling evas)
> and png support not compiled into evas.
> My solution to this problem was to
> export LDFLAGS='-L/usr/lib -Wl,-rpath,/usr/lib -lpng12 -lz -lm'
> before compilation, where the LDFLAGS variable is the output of
> libpng-config --ldflags
> My knowledge of configure scripts is quite limited, but I think 
> configure should be using this when testing for libpng anyway?
> There was another one of the EFLs experiencing the same problem(ecore?) 
> but I forgot to make notes, will have a look at it later and report 
> back. Thanks everybody for the pointers, entrance seems to be running 
> fine now.

though this has changed dramatically since you last updated evas form cvs. all
evas's checks are now automatic (not manual as before) so it auto-enables
whatever u have support for. :) you have to --disable-blah to disable it
explicitly. it's checks also only check for header files. the assumption is if
there's a header - u have the libs to match too. so the checks aren't exhaustive
and it is possible to get compile errors later - but again - people who cannot
understand compile errors should (eventually) be using binary packages built FOR
them by those who can understand what's going on.

> Cheers
> Jochen
> 
> BTW: Great work you guys are doing, there is absolutly nothing that 
> comes close to E!
> 
> 
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-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ra...@ra...
熊耳 - 車君 (数田)                  ra...@de...
Tokyo, Japan (東京 日本)