Re: Debugging information/libc.so.4

["D. J. Raymond" <raymond@kestrel.nmt.edu>]

   From: Marcelo Magallon <mmagallo@efis.ucr.ac.cr>

   Hi, I'm having a little trouble with a program I'm working on, and I'd 
   like to use gdb to see what's going on, but when I try to include debug 
   information at compilation time I get:

   $ gcc -o lentes -g Lentes.c graphics.c -lm

   ld: Output file requires shared library `libc.so.4'
   gcc: Internal compiler error: program ld got fatal signal 6

   The compilation goes ok when I don't use the -g switch...

This seems to be a bug in the linux gcc implementation -- actually
somewhere in the linking/loading.  If you need debugging, do the
following:

	gcc -c -g stuff.c
	gcc -o lentes stuff.o ... -lm

You should also be sure that global names in your program don't collide
with standard library names -- mysterious results sometimes follow.
(Another bug!)

Dave Raymond
Physics Department
New Mexico Tech