$OpenBSD: patch-configure_in,v 1.2 2011/10/07 14:12:55 giovanni Exp $
--- configure.in.orig	Tue Aug 23 00:03:55 2011
+++ configure.in	Tue Oct  4 11:16:42 2011
@@ -34,7 +34,7 @@ dnl SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SU
 dnl
 dnl Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.13.20110430)
+AC_PREREQ(2.13)
 AC_INIT(include/tin.h)
 AC_CONFIG_HEADER(include/autoconf.h:include/autoconf.hin)
 AC_PREFIX_DEFAULT(/usr/local)
@@ -828,13 +828,15 @@ fi
 ###	Checks for libraries.
 # libuu/uudeview
 # only define HAVE_LIBUU and HAVE_UUDEVIEW_H if both are found
-AC_CHECK_LIB(uu, UUInitialize,
-	[AC_CHECK_HEADER(uudeview.h,
-		[AC_DEFINE(HAVE_LIBUU)
-		AC_DEFINE(HAVE_UUDEVIEW_H)
-		LIBS="$LIBS -luu"]
-	)]
-)
+dnl Disable to make sure the package does not change if someone ever ports this
+dnl
+dnl AC_CHECK_LIB(uu, UUInitialize,
+dnl 	[AC_CHECK_HEADER(uudeview.h,
+dnl 		[AC_DEFINE(HAVE_LIBUU)
+dnl 		AC_DEFINE(HAVE_UUDEVIEW_H)
+dnl 		LIBS="$LIBS -luu"]
+dnl 	)]
+dnl )
 
 # libidn - Internationalized Domain Names
 AC_CHECK_LIB(idn, stringprep_check_version,
@@ -1043,7 +1045,11 @@ CF_TERMIOS
 CF_PW_GECOS
 CF_TM_GMTOFF
 
-AC_SYS_LONG_FILE_NAMES
+dnl AC_SYS_LONG_FILE_NAMES tries to write to /usr and thus fails if /usr is
+dnl mounted read-only. Since OpenBSD always supports long filenames, set the
+dnl flag unconditionally.
+dnl AC_SYS_LONG_FILE_NAMES
+AC_DEFINE(HAVE_LONG_FILE_NAMES)
 CF_FUNC_SYSTEM
 
 # Check if we are trying to use curses+color, but cannot