Linking problem

Hi,
I am Vijay Bhaskar. I am facing some linking problems while
running the program in Diab compiler.

For referrence i am pasting the linking problem below.

Undefined symbol 'atan2' in file 'filename.o'

After that i have added the corresponding library function in
linker options (libm.a) to avoid this problem.

I got rid of above probelm, but i am facing some other problem
which is also pasated below.

Undefined symbol

'__errno_fn' in file 'atan2.o(C:\diab\5.2.1.0\PPCEH\libm.a

I am unable to resolve the above problem.

Can u please provide me the solution to avoid the above problem

(or)

Can u please provide me any new solution, whenver we are using
liabrary functions like atan (or) sqrt.

Kindly do the needful.

Regards,
Vijay Bhaskar