alloca bug

[Jon Wilson]

Hi,
So it looks like the blob in libguile/eval.c (lines 40-56) from the 
autoconf manual to define alloca doesn't work on BSD systems.  This is 
in guile 1.8.1.

In the subdirectory libguile:
eval.c includes __scm.h
__scm.h includes scmconfig.h

scmconfig.h seems to only be created while make all is running (try make 
scmconfig after ../configure).  However, on my system, and Gopi's 
FreeBSD system as well, scmconfig.h includes <stdlib.h>.  So, 
indirectly, eval.c includes <stdlib.h>, and does so prior to the 
autoconf alloca blob.  Since <stdlib.h> defines alloca (in some cases), 
the blob redefines alloca.  Is this something we need to fix (by not 
including <stdlib.h> I would suppose) or is it something that we toss 
into the autoconf people's court?

If this message would more properly go on the guile developers mailing 
list, could someone who is a member of that list please forward it for me?
Regards,
Jon