[mapserver-users] mapserver compiled with jpeg v7 and GDAL with internal JPEG results in core dumps (SIGSEGV)

[Ethan Alpert]

I've been running down a mapserver core dump for most of the day. It
appears that when I compile GDAL 1.8.1 with it's internal JPEG library
and mapserver links to libjpeg.so.7 BAD things happen.

 

I tried compiling mapserver with -without-jpeg but configure errors out:

 

configure: checking whether we should include JPEG support...

configure: error: "Could not find jpeglib.h or
libjpeg.a/libjpeg.so/libjpeg.dylib in
/dg/local/apps/osgeo_pack/source/build/mapserver-6.0.1/no."

 

It appears that when linking mapserver GDAL's internal version of
jpeg_CreateDecompress is not used during a GDALOpenShared. Instead the
libjpeg linked to mapserver is used which in this case is jpeg 7.

 

GDAL dies horribly.

 

Not sure what to do about this. Going to think about it overnight.

 

-e


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