Build failure due to deprecated 'gcry_thread_cbs'

[triaxx]

I tried to build the last commit on NetBSD 8.0 with GnuTLS 3.6.10 and Gcript 1.8.5. I got the following error:

In file included from gcrypt_init.c:30:0:
/usr/pkgsrc/tags/HEAD/chat/jabberd/work/.buildlink/include/gcrypt.h:221:17: error: 'gcry_thread_cbs' is deprecated [-Werror=deprecated-declarations]
   static struct gcry_thread_cbs gcry_threads_pth = {                    \
                 ^
gcrypt_init.c:35:1: note: in expansion of macro 'GCRY_THREAD_OPTION_PTH_IMPL'
 GCRY_THREAD_OPTION_PTH_IMPL;
 ^
/usr/pkgsrc/tags/HEAD/chat/jabberd/work/.buildlink/include/gcrypt.h:211:8: note: declared here
 struct gcry_thread_cbs
        ^
cc1: all warnings being treated as errors
gmake[3]: *** [Makefile:570: gcrypt_init.lo] Error 1
gmake[3]: *** Waiting for unfinished jobs....
libtool: compile:  c++ -DLOCALEDIR=\"/usr/pkg/share/locale\" -DHAVE_CONFIG_H -I. -I.. -Ilib -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/include -Wall -Werror -I/usr/pkg/
include/glibmm-2.4 -I/usr/pkg/lib/glibmm-2.4/include -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/sigc++-2.0 -I/usr/pkg/lib/sigc++-2.0/include -I/usr/pkg/include -I/usr/pkg/include
/p11-kit-1 -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/include -c config.cc -o config.o >/dev/null 2>&1
gmake[3]: Leaving directory '/usr/pkgsrc/chat/jabberd/work/jabberd-b2b871eaf3f6455d7d37113ce23d6bc59c8da70f/jabberd14/jabberd'
gmake[2]: *** [Makefile:615: all-recursive] Error 1
gmake[2]: Leaving directory '/usr/pkgsrc/chat/jabberd/work/jabberd-b2b871eaf3f6455d7d37113ce23d6bc59c8da70f/jabberd14/jabberd'
gmake[1]: *** [Makefile:544: all-recursive] Error 1
gmake[1]: Leaving directory '/usr/pkgsrc/chat/jabberd/work/jabberd-b2b871eaf3f6455d7d37113ce23d6bc59c8da70f/jabberd14'
gmake: *** [Makefile:392: all] Error 2
*** Error code 2

Stop.
bmake[1]: stopped in /usr/pkgsrc/chat/jabberd
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/chat/jabberd

The following patch fix the issue:

--- configure.ac.orig 2019-09-29 18:37:09.000000000 +0000
+++ configure.ac
@@ -35,7 +35,7 @@ if test x-$developer = "x-yes" ; then
 else
     AC_MSG_RESULT(no)
 fi
-CPPFLAGS="$CPPFLAGS -Wall -Werror"
+CPPFLAGS="$CPPFLAGS -Wall -Werror -Wno-deprecated-declarations"
 
 dnl Check for programs
 AC_PROG_CC