hi I have a program with a ANSI C program written for linux my operating system is WINXP and i have dowloaded MINGW when i compile it with gcc -c acotsp.c it doesnt give any error and the acotsp.o file is created but when trying to create an executable file gcc -o acotsp acotsp.o it fails and gives error. my program includes header and library files but how to compile them with the main program. thanks