compiling : mag.c -> build/mag.lomag.c: In function ‘loadImages’: mag.c:198: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c: In function ‘magPaintImage’: mag.c:730: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:731: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:735: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:736: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:740: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:741: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:745: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ mag.c:746: error: ‘CompScreen’ has no member named ‘multiTexCoord2f’ make: *** [build/mag.lo] Error 1