Il 7/27/2013 11:54 AM, Bill Hammond ha scritto:
I am having trouble compiling an application that uses the libjpeg libraries 
under cygwin64.

My program has compiled and run under cygwin32 for a long time. I can compile and run it under cygwin64 when 
I build and link against my own libjpeg.a. When I try and download the libjpeg-turbo libraries for cygwin64, 
it all comes apart. The "libjpeg-turbo" package is source only, and when I install 
"libjpeg-devel" and link against it with "-ljpeg", all the jpeg function calls are 
undefined.
I am using the cygwin64 installer. Is there a problem with the cygwin64 libjpeg 
package(s), or am I not doing something right?

Hi Bill,
could you show your link instruction ?

Have you a small test case ?

FYI the turbo devel package is : libturbojpeg-devel

Regards
Marco


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