Where did the library get installed on your system? What's the value of CMAKE_<LANG>_LIBRARY_ARCHITECTURE?
Since you're on a 64-bit system, I'd expect CMake to be looking for 64-bit libraries unless you've told it otherwise. ________________________________ From: CMake <cmake-boun...@cmake.org> on behalf of Robert Dailey <rcdailey.li...@gmail.com> Sent: April 24, 2017 7:54:18 AM To: CMake; CMake Developers Subject: Re: [CMake] Trouble with FindPNG module Sorry to bump; any info on this? I'm completely blocked :-( On Fri, Apr 21, 2017 at 4:48 PM, Robert Dailey <rcdailey.li...@gmail.com> wrote: > I'm running CMake 3.8.0 on Ubuntu 14. I invoke the following: > > find_package(PNG REQUIRED) > > Which gives me the output in CMake: > > Could NOT find PNG (missing: PNG_LIBRARY) (found version "1.2.50") > > The CMakeCache.txt file has these variables set: > > PNG_LIBRARY_DEBUG:FILEPATH=PNG_LIBRARY_DEBUG-NOTFOUND > PNG_LIBRARY_RELEASE:FILEPATH=PNG_LIBRARY_RELEASE-NOTFOUND > PNG_PNG_INCLUDE_DIR:PATH=/usr/include > > So it found the headers, but not the libs. Why did it not find the > libs? Note that my version of Ubuntu is 64-bit, and I've installed the > 32-bit libs like so: > > $ sudo apt-get install libpng12-dev:i386 > > Would the find module be confused because it is trying to find the > 64-bit library? What's the issue? -- Powered by www.kitware.com<http://www.kitware.com> Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake
-- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake