File dovecot-1.1.7_pie.patch of Package dovecot11

Index: configure.in
===================================================================
--- configure.in.orig	2008-11-24 15:32:37.973017731 +0100
+++ configure.in	2008-11-24 15:32:39.841017876 +0100
@@ -31,6 +31,15 @@ AC_ARG_ENABLE(ipv6,
 	fi,
 	want_ipv6=auto)
 
+AC_ARG_ENABLE(pie,
+[  --enable-pie           Enable PIE support (default)],
+	if test x$enableval = xno; then
+		want_pie=no
+	else
+		want_pie=yes
+	fi,
+	want_pie=no)
+
 AC_ARG_ENABLE(debug,
 [  --enable-debug          Enable some extra expensive checks for developers],
 	if test x$enableval = xyes; then
@@ -1664,6 +1673,29 @@ if test $want_gc != no; then
   ])
 fi
 
+
+dnl **
+dnl ** PIE check
+dnl **
+
+if test $want_pie = yes; then
+	AC_MSG_CHECKING([if we can use PIE])
+	# try to compile something with pie
+	old_cflags=$CFLAGS
+	CFLAGS="-pie -fPIE -DPIE -Werror"
+	AC_TRY_LINK([],,[
+		LIBS="$LIBS -pie"
+		# enforce -fPIC so all objects are compiled with it
+		CFLAGS="$old_cflags -fPIC -DPIC"
+		ac_want_pie="yes"
+	], [
+		# restore old CFLAGS
+		CFLAGS="$old_cflags"
+		ac_want_pie="no"
+	])
+	AC_MSG_RESULT($ac_want_pie)
+fi
+
 dnl **
 dnl ** userdb and passdb checks
 dnl **