I'm compiling GRX under Red Hat 7.1, using kernel 2.4.9. Now that I've been able to get a bit further compiling GRX, This error is displayed. /usr/src/bs/BUILD/svgalib-1.4.1/src/mouse/ms.c:395: undefined reference to `pow' /usr/lib/gcc-lib/i386-redhat-linux/2.96/../../../libvga.a(i740.o): In function `I740CalcVCLK': /usr/src/bs/BUILD/svgalib-1.4.1/src/i740.c:381: undefined reference to `log' /usr/src/bs/BUILD/svgalib-1.4.1/src/i740.c:381: undefined reference to `log' collect2: ld returned 1 exit status make: *** [../bin/modetest] Error 1 Would someone please help me with this error ? thanks