+AC_ARG_WITH(perl,
+ [ --with-perl build with perl plug-in support [default=without]],
+ [build_perl=$withval],
+ [build_perl=no]
+)
+if test x$build_perl != xno
+then
+ test x$build_perl != xyes -a -x "$build_perl" && PERL=$build_perl
+ AC_PATH_PROG(PERL, perl, perl)
+ AC_MSG_CHECKING(if perl can be embedded)
+ if $PERL -MExtUtils::Embed -e "use v5.8" >/dev/null 2>&1
+ then
+ AC_MSG_RESULT(yes)
+ CPPFLAGS="${CPPFLAGS} -DPERL_ENABLE"
+ PERL_CPPFLAGS="`$PERL -MExtUtils::Embed -e ccopts`"
+ PERL_OBJS="ext-perl.o perlxsi.o"
+ PERL_PRIVLIBEXP="`$PERL -MConfig -e 'print $Config{privlibexp}'`"
+ PERL_SITELIBEXP="`$PERL -MConfig -e 'print $Config{sitelibexp}'`"
+ DEPS_LIBS="`$PERL -MExtUtils::Embed -e ldopts` ${DEPS_LIBS}"
+ if test -e "$PERL_SITELIBEXP/ExtUtils/xsubpp"
+ then
+ XSUBPP="$PERL $PERL_SITELIBEXP/ExtUtils/xsubpp"
+ else
+ XSUBPP="$PERL $PERL_PRIVLIBEXP/ExtUtils/xsubpp"
+ fi
+ else
+ AC_MSG_ERROR([no working perl found, or perl not version >= 5.8])
+ fi
+fi
+AC_SUBST(PERL_CPPFLAGS)
+AC_SUBST(PERL_OBJS)
+AC_SUBST(PERL_PRIVLIBEXP)
+AC_SUBST(PERL_SITELIBEXP)
+AC_SUBST(XSUBPP)
+