>>>>> "Philip" == Philip Hazel <ph10@???> writes:
Philip> On Tue, 3 Sep 2002, Daphne Tregear wrote:
>> Has anyone else found a way round this when building exim-3.36
>> on a 64-bit sparc running Solaris 9 using the tcp wrappers in
>> /usr/sfw?
>>
>> /opt/SUNWspro/bin/cc -c -O -I/usr/sfw/include -I. smtp_in.c
>> "/usr/sfw/include/tcpd.h", line 12: warning: macro redefined:
>> HAVE_IPV6
Philip> Sigh. Whenever one choses a nice name for something,
Philip> somebody else has the same idea. Exim uses HAVE_IPV6; it
Philip> looks as though /usr/sfw/include/tcpd.h does too.
Philip> The only way out is to change the name, either in Exim, or
Philip> in tcpwrappers so that they don't conflict.
Philip> Maybe something clever like the following change at the
Philip> top of smtp_in.c would work. At present, it says
/* Initialize for TCP wrappers if so configured */
#ifdef USE_TCP_WRAPPERS
#include <tcpd.h>
int allow_severity = LOG_INFO;
int deny_severity = LOG_NOTICE;
#endif
Philip> Try changing it to
/* Initialize for TCP wrappers if so configured */
#ifdef USE_TCP_WRAPPERS
#if HAVE_IPV6
#define EXIM_HAVE_IPV6
#endif
#undef HAVE_IPV6
#include <tcpd.h>
#ifdef EXIM_HAVE_IPV6
#define HAVE_IPV6 TRUE
#endif
int allow_severity = LOG_INFO;
int deny_severity = LOG_NOTICE;
#endif
Philip> In other words, undefine HAVE_IPV6 while including tcpd.h
Philip> so that it can have its wicked way with it, and then
Philip> re-instate it afterwards.
Philip> Just an idea. Not tested.
And works. Thanks. For the archive I used gcc-3.0, HAVE_IPV6=yes in
Local/Makefile and the mods to smtp_in.c Philip gave above.
Daf
