With perl v5.8.8 from macports (recently upgraded)

Entering directory `/Users/kurt/Work/devel/servers/slapd/back-perl' /bin/sh ../../..//libtool --tag=disable-shared --mode=compile cc -g -O2 -I../../../include -I../../../include -I.. -I./.. -I/opt/local/include -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/opt/local/include -I/opt/local/lib/perl5/5.8.8/darwin-2level/CORE -I/usr/pkg/include -I/usr/pkg/include/db45 -c init.c cc -g -O2 -I../../../include -I../../../include -I.. -I./.. -I/opt/local/include -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/opt/local/include -I/opt/local/lib/perl5/5.8.8/darwin-2level/CORE -I/usr/pkg/include -I/usr/pkg/include/db45 -c init.c -o init.o init.c:90: error: parse error before 'ConfigReply' init.c: In function 'perl_back_db_init': init.c:92: error: number of arguments doesn't match prototype proto-perl.h:27: error: prototype declaration