diff --git a/srcpkgs/sudo/INSTALL b/srcpkgs/sudo/INSTALL
index 5dab60a679..3e47c050f7 100644
--- a/srcpkgs/sudo/INSTALL
+++ b/srcpkgs/sudo/INSTALL
@@ -7,5 +7,6 @@ post)
 		echo "Setting up permissions to /etc/sudoers..."
 		chmod 0440 etc/sudoers
 	fi
+	chmod 4111 bin/sudo bin/sudoedit
 	;;
 esac
diff --git a/srcpkgs/sudo/patches/install_perms.patch b/srcpkgs/sudo/patches/install_perms.patch
new file mode 100644
index 0000000000..08212921cc
--- /dev/null
+++ b/srcpkgs/sudo/patches/install_perms.patch
@@ -0,0 +1,31 @@
+--- install-sh.orig	2010-04-22 13:32:13.000776102 +0200
++++ install-sh	2010-04-22 13:35:55.804781474 +0200
+@@ -88,7 +88,6 @@ while ${MORETODO} ; do
+     X-G)
+ 	GROUP="$2"
+ 	shift
+-	${ROOT} && CHGROUPIT=true
+ 	;;
+     X-G*)
+ 	if ${ROOT} ; then
+@@ -107,12 +106,10 @@ while ${MORETODO} ; do
+ 	;;
+     X-M)
+ 	MODE="$2"
+-	${ROOT} && CHMODIT=true
+ 	shift
+ 	;;
+     X-M*)
+ 	MODE=`expr "$1" : '-m\(.*\)'`
+-	${ROOT} && CHMODIT=true
+ 	;;
+     X-n)
+ 	TOUCHIT=false
+@@ -129,7 +126,6 @@ while ${MORETODO} ; do
+     X-O)
+ 	OWNER="$2"
+ 	shift
+-	${ROOT} && CHOWNIT=true
+ 	;;
+     X-O*)
+ 	if ${ROOT} ; then
diff --git a/srcpkgs/sudo/template b/srcpkgs/sudo/template
index 880dc29c06..9a56e6ba87 100644
--- a/srcpkgs/sudo/template
+++ b/srcpkgs/sudo/template
@@ -1,7 +1,7 @@
 # Template build file for 'sudo'.
 pkgname=sudo
 version=1.7.2p6
-revision=1
+revision=2
 distfiles="http://www.courtesan.com/sudo/dist/$pkgname-$version.tar.gz"
 build_style=gnu_configure
 configure_args="--with-ignore-dot -with-all-insults --with-env-editor
@@ -23,6 +23,13 @@ nostrip=yes
 Add_dependency run glibc
 Add_dependency run pam
 Add_dependency build pam-devel
+Add_dependency build diffutils
+
+pre_install()
+{
+	# Use cmp from diffutils.
+	export PATH="/usr/bin:$PATH"
+}
 
 post_install()
 {