unable to build guvcview-1.7.0 with slackbuild

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http://www.linuxquestions.org – I have been be unable to build guvcview-1.7.0 using willysr's slackbuild. I have tried in both slack-14 and salix-14 using alien Bob's and the salix ffmpeg packages respectively. Configure runs with no problem but I get a make error regarding missing header files (note the end of inserted stdout below). audioconvert.h is found in /usr/lib/libavutil and I can do a ln -s libavutil/audioconvert.h audioconvert.h but then the error proceeds to another missing header file one level deep in /usr/lib, and then another, etc. Might this be an error in how the source configures itself before compiling (HowTos)