🚀 go-pugleaf

In article <4etf9j$c75$1@mhafc.production.compuserve.com> Kelly Edwards <74127.3014@CompuServe.COM> writes:
>From: Kelly Edwards <74127.3014@CompuServe.COM>
>Subject: GCC won't Link with Math functions
>Date: 2 Feb 1996 16:48:51 GMT

>I am using gcc running under the Slackware version 2.2.0 of 
>Linux.  I have been attempting to compile and link a c program 
>which includes several math functions such as cos, floor, pow, 
>etc.  I keep getting undefined reference to cos (etc) messages.  

>Specifics include:
>- I am compiling using gcc -g -lm -o output_name name.c
>- I have included #include <math.h>
>- I even tried using -I and -L options to include the directories 
>for math.h and libm.a
>- program compiles OK with the -c option.
>- This program compiles OK on an IBM RS6000.

>Am I missing something obvious, or is the compiler not linking 
>the libm.a library as it should?  I would appreciate any help 
>provided.

>Thanks.

>Kelly Edwards
>Midland, TX
>email 74127.3014@compuserve.com

I found that -lm (which SHOULD link the math
libraries) doesn't.

Use this instead:

gcc -o your_program your_program.o /usr/lib/libm.a

Works for me!