James Colannino wrote: > Hey everyone. I included the math.h header, proceeded to use fmod(), > then got the following error: > > /tmp/ccKQxpJi.o: In function `main': > 04-03-calc.c:(.text+0x144): undefined reference to `fmod' > collect2: ld returned 1 exit status > > Does anybody know why it won't link? fmod() is a part of the standard > library. No, fmod() is in libm, so you have to add -lm to the link command. As a general rule, anything which uses <math.h> has to link against libm. -- Glynn Clements <glynn@xxxxxxxxxxxxxxxxxx> - : send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
