diff --git a/configure b/configure
index 7d8451054..6ab0dd5c3 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# This script was automatically generated by ACR v1.9.8
+# This script was automatically generated by ACR v2.0.0
 # @author: pancake <nopcode.org>
 # @url:    http://www.nopcode.org
 # @repo:   git clone https://github.com/radare/acr
@@ -111,12 +111,12 @@ done
 : ${INSTALL_PROGRAM_STRIP:=${INSTALL} -m 755 -s}
 : ${INSTALL_MAN:=${INSTALL} -m 444}
 : ${INSTALL_LIB:=${INSTALL} -m 755 -c}
- PKGNAME='radare2-extras' ; VERSION='5.3.0' ; VERSION_MAJOR=5; VERSION_MINOR=3; VERSION_PATCH=0; VERSION_NUMBER=50300; CONTACT_MAIL="pancake@nopcode.org" ; CONTACT_NAME="pancake" ; CONTACT="pancake <pancake@nopcode.org>" ;
+ PKGNAME='radare2-extras' ; VERSION='5.6.8' ; VERSION_MAJOR=5; VERSION_MINOR=6; VERSION_PATCH=8; VERSION_NUMBER=50608; CONTACT_MAIL="pancake@nopcode.org" ; CONTACT_NAME="pancake" ; CONTACT="pancake <pancake@nopcode.org>" ;
 }
 
 show_usage() {
 cat <<EOF2
-'configure' configures radare2-extras-5.3.0 to adapt to many kinds of systems.
+'configure' configures radare2-extras-5.6.8 to adapt to many kinds of systems.
 
 Usage: ./configure [OPTION]... [VAR=VALUE]...
 
@@ -198,10 +198,10 @@ ocho() {
 
 show_version() {
 if [ "$QUIET" = 1 ]; then
-	echo "5.3.0"
+	echo "5.6.8"
 	exit 0
 fi
-echo "radare2-extras-5.3.0 configuration script done with acr v1.9.8.
+echo "radare2-extras-5.6.8 configuration script done with acr v2.0.0.
 The 'Free Software Foundation' message is only for autodetection.
 Originally written by pancake <nopcode.org>."
 exit 0
@@ -230,7 +230,7 @@ case $flag in
 	show_version ; ;;
 -r|--r|--report)
 echo "PKGNAME:   radare2-extras"
-echo "VERSION:   5.3.0"
+echo "VERSION:   5.6.8"
 echo "LANGS:     c"
 echo "OPTIONAL:  libewf libyara"
 echo "PKG-CONFIG:  r_core libewf unicorn yara"
@@ -345,7 +345,8 @@ if [ -n "${PKGCONFIG}" ]; then
 	ocho ${PKGCONFIG}
 else
 	echo "Cannot find pkg-config or pkgconf in PATH" >&2
-	exit 1 ocho no; fi
+	exit 1
+ocho no; fi
 COMPILER=CC
 ochof "checking for c compiler... "
 HAVE_LANG_C=1
@@ -488,7 +489,7 @@ echo
 echo "Final report:"
 for A in  PREFIX ; do
 eval VAL="\$${A}"
-[ -z "${VAL}" ] && VAL="(null)"
+[ -z "${VAL}" ] && VAL="\"\""
 echo " - ${A} = ${VAL}"
 done
 fi
diff --git a/configure.acr b/configure.acr
index 8b6f8f620..149c9bf89 100644
--- a/configure.acr
+++ b/configure.acr
@@ -1,5 +1,5 @@
 PKGNAME radare2-extras
-VERSION 5.3.0
+VERSION 5.6.8
 CONTACT pancake ; pancake@nopcode.org
 
 USE_PKGCONFIG!
diff --git a/keystone/configure b/keystone/configure
index ccae748cd..40daaaac6 100755
--- a/keystone/configure
+++ b/keystone/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# This script was automatically generated by ACR v1.9.8
+# This script was automatically generated by ACR v2.0.0
 # @author: pancake <nopcode.org>
 # @url:    http://www.nopcode.org
 # @repo:   git clone https://github.com/radare/acr
@@ -198,7 +198,7 @@ if [ "$QUIET" = 1 ]; then
 	echo "0.1"
 	exit 0
 fi
-echo "radare2-keystone-0.1 configuration script done with acr v1.9.8.
+echo "radare2-keystone-0.1 configuration script done with acr v2.0.0.
 The 'Free Software Foundation' message is only for autodetection.
 Originally written by pancake <nopcode.org>."
 exit 0
@@ -373,7 +373,8 @@ if [ -n "${PKGCONFIG}" ]; then
 	ocho ${PKGCONFIG}
 else
 	echo "Cannot find pkg-config or pkgconf in PATH" >&2
-	exit 1 ocho no; fi
+	exit 1
+ocho no; fi
 check_library() {
 VAR=$1
 S="$"
diff --git a/ssdeep/ssdeep-plugin/configure b/ssdeep/ssdeep-plugin/configure
index 83694ccd7..1b8e3021d 100755
--- a/ssdeep/ssdeep-plugin/configure
+++ b/ssdeep/ssdeep-plugin/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# This script was automatically generated by ACR v1.9.8
+# This script was automatically generated by ACR v2.0.0
 # @author: pancake <nopcode.org>
 # @url:    http://www.nopcode.org
 # @repo:   git clone https://github.com/radare/acr
@@ -192,7 +192,7 @@ if [ "$QUIET" = 1 ]; then
 	echo "1.0"
 	exit 0
 fi
-echo "radare2-extras-ssdeep-1.0 configuration script done with acr v1.9.8.
+echo "radare2-extras-ssdeep-1.0 configuration script done with acr v2.0.0.
 The 'Free Software Foundation' message is only for autodetection.
 Originally written by pancake <nopcode.org>."
 exit 0
@@ -333,7 +333,8 @@ if [ -n "${PKGCONFIG}" ]; then
 	ocho ${PKGCONFIG}
 else
 	echo "Cannot find pkg-config or pkgconf in PATH" >&2
-	exit 1 ocho no; fi
+	exit 1
+ocho no; fi
 COMPILER=CC
 ochof "checking for c compiler... "
 HAVE_LANG_C=1
@@ -449,7 +450,7 @@ echo
 echo "Final report:"
 for A in  PREFIX ; do
 eval VAL="\$${A}"
-[ -z "${VAL}" ] && VAL="(null)"
+[ -z "${VAL}" ] && VAL="\"\""
 echo " - ${A} = ${VAL}"
 done
 fi
diff --git a/yara/yara/configure b/yara/yara/configure
index b3f5a8de7..c003601fb 100755
--- a/yara/yara/configure
+++ b/yara/yara/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# This script was automatically generated by ACR v1.9.8
+# This script was automatically generated by ACR v2.0.0
 # @author: pancake <nopcode.org>
 # @url:    http://www.nopcode.org
 # @repo:   git clone https://github.com/radare/acr
@@ -194,7 +194,7 @@ if [ "$QUIET" = 1 ]; then
 	echo "1.0"
 	exit 0
 fi
-echo "radare2-extras-yara-1.0 configuration script done with acr v1.9.8.
+echo "radare2-extras-yara-1.0 configuration script done with acr v2.0.0.
 The 'Free Software Foundation' message is only for autodetection.
 Originally written by pancake <nopcode.org>."
 exit 0
@@ -335,7 +335,8 @@ if [ -n "${PKGCONFIG}" ]; then
 	ocho ${PKGCONFIG}
 else
 	echo "Cannot find pkg-config or pkgconf in PATH" >&2
-	exit 1 ocho no; fi
+	exit 1
+ocho no; fi
 COMPILER=CC
 ochof "checking for c compiler... "
 HAVE_LANG_C=1
@@ -451,7 +452,7 @@ echo
 echo "Final report:"
 for A in  PREFIX ; do
 eval VAL="\$${A}"
-[ -z "${VAL}" ] && VAL="(null)"
+[ -z "${VAL}" ] && VAL="\"\""
 echo " - ${A} = ${VAL}"
 done
 fi