[Wrf-users] Resolved: Re: WPS 3.3.1 OK, but no jasper no png

[Bart Brashers]

Have you tried the versions of jasper and libpng that are in the EPEL repository?  It should be as simple as enabling EPEL, and doing a

# yum install jasper-libs libpng libpng-devel

I believe I compiled WPS/WRF using these versions, on CentOS x86_64.

Bart

From: wrf-users-bounces at ucar.edu [mailto:wrf-users-bounces at ucar.edu] On Behalf Of wxtofly
Sent: Tuesday, December 13, 2011 11:33 PM
To: Hein Zelle; WRF Users; WRF DA; WRF Users
Subject: [Wrf-users] Resolved: Re: WPS 3.3.1 OK, but no jasper no png

I reinstalled all fedora libz libpng and jasper.
I got this:
./ngl/libg2_4.a(dec_png.o): In function `dec_png_':
dec_png.c:(.text+0x148): undefined reference to `png_set_longjmp_fn'


I finally compiled  and installed  those three libraries (http://www.mmm.ucar.edu/wrf_tmp/WRF_OnLineTutorial/SOURCE_DATA/libs_for_wps.tar)
to my WPS working directory and adjusted all the configure paths to them.
I then succeeded in compiling ungrib with libpng and jasper.


It seems that the new libpng libraries  ( >1.4 )are not compatible with WPSV3.3.1 as distributed.

A patch by someone who knows what they are doing along the lines of the one described at:

http://stackoverflow.com/questions/5190554/unresolved-external-png-set-longjmp-fn-in-libpng

would be a welcome thing.

TJ Olney

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