Error on implicit function definition?

[Robert Krawitz]

   Date: Wed, 28 Oct 1998 21:49:15 +0100
   From: Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>

   > Is there an option to take an error (rather than merely warn) on
   > implicit function definition?

   With -pedantic, this is an error.

No, it's not:

[2(rlk)||{!1742}<tertis.torrent.com>/tmp]
% cat implicit.C
a()
{
  foo();
}
[2(rlk)||{!1743}<tertis.torrent.com>/tmp]
% g++ -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.57/specs
gcc version egcs-2.91.57 19980901 (egcs-1.1 release)
[2(rlk)||{!1744}<tertis.torrent.com>/tmp]
% g++ -pedantic -c implicit.C
implicit.C: In function `int a()':
implicit.C:3: warning: implicit declaration of function `int foo(...)'
implicit.C:4: warning: control reaches end of non-void function `a()'
[2(rlk)||{!1745}<tertis.torrent.com>/tmp]
% echo $status
0

-- 
Robert Krawitz <rlk@torrent.com>		     Founding Engineer
Torrent Systems Inc.				      617-354-8484x104