[Sheflug] gcc - problems with math functions.

[Barrie Bremner <nospam [at] ecosse.net>]

 Call me stupid, but I appear to be missing something here.

 I`m attempting to compile a small C program for a uni course, which
uses 

#include <math.h>

 Whenever any lines involving maths functions are uncommented I get this
error:

[baz@shaitan baz]$ gcc versiontwo.c -o vtwo
/tmp/ccMNZCnt.o: In function `main':
/tmp/ccMNZCnt.o(.text+0x21b): undefined reference to `pow'
/tmp/ccMNZCnt.o(.text+0x239): undefined reference to `pow'
/tmp/ccMNZCnt.o(.text+0x24c): undefined reference to `sqrt'
/tmp/ccMNZCnt.o(.text+0x27e): undefined reference to `atan'
collect2: ld returned 1 exit status

 notice I`m only using gcc source.c -o output_program - should I be
doing something else?

 Baz. 
-- 
Barrie J. Bremner

Email:      TheEnglishman [at] ecosse.net 
	    (PGP key available at my website)

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