Help in compiling code

[Noel Robertson]

> I am having problems trying to re-compile and link, using GCC 2.8.1 on
> Solaris 2.6, the C code attached that was originally compiled using a Sun
> compiler as a shared object. I tried compiling and linking it using the
> commands saved in 'gcctext', and got the 'Undefined symbol' error when
> linking. Am I missing one the libraries in gcc? 
> 
> Any assistance in compiling the program to run on Solaris (sorry we don't
> use the gnu OS on our machines yet) would be much appreciated.
> 
>  <<spawn2.c>>  <<gcctext>> 
> Many thanks
> 
> Noel
> 
> Noel Robertson
> Space Department
> Room 1004
> Arthur C.Clarke Building
> DERA Farnborough
> Hampshire
> GU14 0LX
> United Kingdom
> 
> Tel  44 01252 394264
> Fax 44 01252 396320
> Email   narobertson@scs.dera.gov.uk
> 
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Script started on Mon 19 Jun 2000 11:11:33 AM BST
snip7w{dranar}1: gcc -g -c spawn2.c
snip7w{dranar}2: gcc -g -o spawn2.so spawn2.o -lm
Undefined			first referenced
 symbol  			    in file
main                                /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/2.8.1/crt1.o
ld: fatal: Symbol referencing errors. No output written to spawn2.so
snip7w{dranar}3: exit
snip7w{dranar}4: 
script done on Mon 19 Jun 2000 11:15:45 AM BST
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