incompatible implicit declaration of built-in function âexitâ

#include <stdlib.h>

This is missing or something else is wrong.  Edit the file giving problems and add it at the top if it's not there already.  Or disable the warning with "-fno-builtin-exit" compiler option.  Fixing it would be the thing to do though.

At a guess I would say the source code that is calling the standard exit function is missing the include stdlib.h
http://www.cplusplus.com/reference/clibrary/cstdlib/exit/

It is called in both main.c and ecalc.c and I see no way stdlib.h is included in either. Note, I have not tried to build this but this would be the first thing I would check. Try adding #include <stdlib.h> at the top of these files just under the inclusion of stdio.h and see if that helps.

Oooh, sorry developedtester -- seems you are typing a little faster than me today :)

I added it. However

-bash-4.1$ make msa
cc -O -c main.c 
main.c: In function âdataâ:
main.c:331:3: warning: incompatible implicit declaration of built-in function âstrcpyâ
main.c: In function âgetseqâ:
main.c:620:5: warning: incompatible implicit declaration of built-in function âstrlenâ
main.c:630:21: warning: incompatible implicit declaration of built-in function âstrlenâ
main.c: In function âallocâ:
main.c:1395:8: error: conflicting types for âmallocâ
make: *** [main.o] Error 1

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main.c is attached.
main.c

Add string.h

Now

-bash-4.1$ make msa
cc -O -c main.c 
main.c: In function âallocâ:
main.c:1395:8: error: conflicting types for âmallocâ
make: *** [main.o] Error 1

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line 1395 is

 char	*malloc();

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Ok, you may also need malloc.h :)

Still wrong even added it.

Hmmm. There isn't a great deal about that specific error but one thing to try adding the compile time flag --without-gnu-malloc

>> try adding the compile time flag --without-gnu-malloc
http://www.gnu.org/s/hello/manual/gnulib/malloc.html

-bash-4.1$ make msa  --without-gnu-malloc 
make: unrecognized option '--without-gnu-malloc'

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Is it?

Hmmm. Ok, I need to try building this myself but I'm not in a position to do that right this minute. I'll take a look in a bit and get back to you.

Thanks.