--- LVM2.2.02.181/configure.ac.orig	2018-09-07 21:39:53.148246839 +0200
+++ LVM2.2.02.181/configure.ac	2018-09-07 21:40:01.548246741 +0200
@@ -397,7 +397,7 @@
 AC_ARG_ENABLE(thin_check_needs_check,
 	      AC_HELP_STRING([--disable-thin_check_needs_check],
 			     [required if thin_check version is < 0.3.0]),
-	      THIN_CHECK_NEEDS_CHECK=$enableval, THIN_CHECK_NEEDS_CHECK=yes)
+	      THIN_CHECK_NEEDS_CHECK=$enableval, THIN_CHECK_NEEDS_CHECK=autodetect)
 
 # Test if necessary thin tools are available
 # if not - use plain defaults and warn user
@@ -412,7 +412,7 @@
 			THIN_CONFIGURE_WARN=y
 		fi
 	fi
-	if test "$THIN_CHECK_NEEDS_CHECK" = yes; then
+	if test "$THIN_CHECK_NEEDS_CHECK" = autodetect; then
 		THIN_CHECK_VSN=`"$THIN_CHECK_CMD" -V 2>/dev/null`
 		THIN_CHECK_VSN_MAJOR=`echo "$THIN_CHECK_VSN" | $AWK -F '.' '{print $1}'`
 		THIN_CHECK_VSN_MINOR=`echo "$THIN_CHECK_VSN" | $AWK -F '.' '{print $2}'`
@@ -425,6 +425,8 @@
 			AC_MSG_WARN([$THIN_CHECK_CMD: Old version "$THIN_CHECK_VSN" found])
 			THIN_CHECK_VERSION_WARN=y
 			THIN_CHECK_NEEDS_CHECK=no
+		else
+			THIN_CHECK_NEEDS_CHECK=yes
 		fi
 	fi
 	# Empty means a config way to ignore thin dumping
@@ -511,7 +513,7 @@
 AC_ARG_ENABLE(cache_check_needs_check,
 	      AC_HELP_STRING([--disable-cache_check_needs_check],
 			     [required if cache_check version is < 0.5]),
-	      CACHE_CHECK_NEEDS_CHECK=$enableval, CACHE_CHECK_NEEDS_CHECK=yes)
+	      CACHE_CHECK_NEEDS_CHECK=$enableval, CACHE_CHECK_NEEDS_CHECK=autodetect)
 
 # Test if necessary cache tools are available
 # if not - use plain defaults and warn user
@@ -526,7 +528,7 @@
 			CACHE_CONFIGURE_WARN=y
 		fi
 	fi
-	if test "$CACHE_CHECK_NEEDS_CHECK" = yes; then
+	if test "$CACHE_CHECK_NEEDS_CHECK" = autodetect; then
 		$CACHE_CHECK_CMD -V 2>/dev/null >conftest.tmp
 		read -r CACHE_CHECK_VSN < conftest.tmp
 		IFS=.- read -r CACHE_CHECK_VSN_MAJOR CACHE_CHECK_VSN_MINOR CACHE_CHECK_VSN_PATCH LEFTOVER < conftest.tmp
@@ -550,6 +552,8 @@
 				AC_MSG_WARN([$CACHE_CHECK_CMD: Old version "$CACHE_CHECK_VSN" does not support new cache format V2])
 				CACHE_CHECK_VERSION_WARN=y
 			fi
+		else
+				CACHE_CHECK_NEEDS_CHECK=yes
 		fi
 	fi
 	# Empty means a config way to ignore cache dumping