I'm trying to compile something with nanotime(9), which simply states that I need to include sys/time.h - nothing about libraries to include. Unfortunately when I compile, I get linker errors regarding nanotime in both freebsd and windows/cygwin - so the problem is probably my use of the nanotime library and not the platform: FreeBSD ======================================== [sjss@elrond ~/dev/numbench]$ gcc numbench.c /var/tmp//ccnZ4l7C.o(.text+0x155c): In function `loop_calibrate': : undefined reference to `nanotime' /var/tmp//ccnZ4l7C.o(.text+0x15b6): In function `loop_calibrate': : undefined reference to `nanotime' /var/tmp//ccnZ4l7C.o(.text+0x15ec): In function `iterbenchI': : undefined reference to `nanotime' /var/tmp//ccnZ4l7C.o(.text+0x165d): In function `iterbenchI': : undefined reference to `nanotime' /var/tmp//ccnZ4l7C.o(.text+0x1694): In function `iterbenchF': : undefined reference to `nanotime' /var/tmp//ccnZ4l7C.o(.text+0x1705): more undefined references to `nanotime' follow ======================================== Cygwin: ======================================== $ gcc numbench.c -lc -lm /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x2b4): undefined reference to `_srandomdev' /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x13ef): undefined reference to `_nanotime' /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x1445): undefined reference to `_nanotime' /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x1478): undefined reference to `_nanotime' /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x14e5): undefined reference to `_nanotime' /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x1518): undefined reference to `_nanotime' /cygdrive/c/DOCUME~1/STAPLE~1/LOCALS~1/Temp/ccSqoE54.o:numbench.c:(.text+0x1585): more undefined references to `_nanotime' follow collect2: ld returned 1 exit status ======================================== I tried adding a few libraries that might be useful: -lc -lm -lmd -lpthread, but with no luck. I figured I'd try to find what library it is in, but couldn't (strings /lib/* | grep nano; string /usr/lib/* | grep nano). I could only find nanosleep, and a few other non-nanotime references. My includes (shouldn't be the problem): #include <stdio.h> #include <stdlib.h> #include <sys/time.h> #include <string.h> How do I solve this issue? Thanks, -Jim Stapleton
