+# check for SA_LEN
+dnl Check if sockaddr data structure includes a "sa_len"
+AC_CHECK_MEMBER([struct sockaddr.sa_len],
+ [ AC_DEFINE(HAVE_SOCKADDR_LEN,1,[Whether sockaddr struct has sa_len]) ],
+ [],
+ [
+#include <sys/types.h>
+#include <sys/socket.h>
+])
+
+LIBNFS_PC_REQ_PRIVATE=
+
+if test "$enable_tirpc" = "yes"; then
+ PKG_CHECK_MODULES(TIRPC, libtirpc, [],
+ AC_MSG_ERROR([unable to locate libtirpc files]))
+ CFLAGS="${CFLAGS} ${TIRPC_CFLAGS}"
+ LIBS="${LIBS} ${TIRPC_LIBS}"
+ LIBNFS_PC_REQ_PRIVATE="${LIBNFS_PC_REQ_PRIVATE} libtirpc"
+fi
+
+AC_SUBST(LIBNFS_PC_REQ_PRIVATE)
+