When I tryed to compile a C program, compiler gave me error, that I haven't see before. Please tell me what does it mean? and what are the possible reasons, this error occure.
blade71(20)% gcc lineholder.c -o lineholder Undefined first referenced symbol in file main /tools/gcc/bin/../lib/gcc/sparc-sun-solaris2.8/3.4.2/crt1.o ld: fatal: Symbol referencing errors. No output written to lineholder collect2: ld returned 1 exit status blade71(21)%