Am Mittwoch, 8. März 2006 00:51 schrieb Vijay Gandhi: > Hello, > > I tried compiling a C file using gcc 4.0.0 on SunOS5.8. This file includes > math.h there is a call on log() in its code. When I compile this C file, I > get a "undefined symbol referenced error. ld returned 1 exit status." > > Any idea how this could be fixed? > Try to add -lm to your linker flags: gcc -lm file.c -o executable or gcc file.c -c -o file.o gcc -lm file.o -o executable bye ingo