On 11/27/05, Dave Mitchell <davem@xxxxxxxxx> wrote: > On Sat, Nov 26, 2005 at 11:47:43PM +0200, Dotan Cohen wrote: > > [dotancohen@localhost מדעי המחשב]$ gcc 1_3.c > > /tmp/cc0PB7X5.o(.text+0x18b): In function `main': > > 1_3.c: undefined reference to `sqrt' > > collect2: ld returned 1 exit status > > [dotancohen@localhost מדעי המחשב]$ > > You need to link in the maths library, "m": > > gcc -lm 1_3.c > > Thank you, it compiled now. I just spacebar'ed about 100 times in the gcc man page looking for the "m" option that you mention. I did find the "l" option (search the library named library when linking), but not the "m" option. Dotan Cohen http://technology-sleuth.com/short_answer/what_is_a_cellphone.html
