c985322fc0
It provides back compatibility with older (autotools based) freeglut versions. Also it simplifies build rules for crossplatform programs: they may be linked with -lglut regardless of the system and library type (shared/static). Patch is originally prepared for MXE project (http://mxe.cc/). (cherry picked from commit cd9ac605ec4615569121e0e9b6bc058684bebfe3) git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1793 7f0cb862-5218-0410-a997-914c9d46530a