--- lbbs/configure.ac	2025/04/30 09:18:19	1.4
+++ lbbs/configure.ac	2025/04/30 09:27:45	1.5
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.71])
+AC_PREREQ([2.69])
 AC_INIT([bbsd],[1.0])
 AC_CONFIG_SRCDIR([src/])
 # AM_CONFIG_HEADERS(config.h)
@@ -26,8 +26,7 @@ AC_CHECK_LIB([mysqlclient], [mysql_conne
 AC_CHECK_LIB([z], [unzip])
 
 AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS([arpa/inet.h dflcn.h fcntl.h memory.h netdb.h netinet/in.h stdlib.h string.h
-	strings.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h unistd.h mysql.h])
+AC_CHECK_HEADERS([arpa/inet.h dflcn.h fcntl.h memory.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h unistd.h mysql.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST