diff --git a/autogen.sh b/autogen.sh
index 7912a7c..48dc21e 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -29,22 +29,18 @@ if [ "x$1" = "xc" ]; then
   shift
   args="$args $@"
   $topdir/configure CFLAGS='-g -O0 -ftrapv' $args
-  make clean
 elif [ "x$1" = "xg" ]; then
   shift
   args="$args $@"
   $topdir/configure CFLAGS='-g -O0 -ftrapv' $args
-  make clean
 elif [ "x$1" = "xa" ]; then
   shift
   args="$args $@"
   $topdir/configure CFLAGS='-g -O0 -Wsuggest-attribute=pure -Wsuggest-attribute=const -ftrapv' $args
-  make clean
 elif [ "x$1" = "xl" ]; then
   shift
   args="$args $@"
   $topdir/configure CC=clang CFLAGS='-g -O0 -ftrapv' $args
-  make clean
 elif [ "x$1" = "xs" ]; then
   shift
   args="$args $@"
diff --git a/configure.ac b/configure.ac
index aeff177..34a2eb0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -165,13 +165,14 @@ AC_MSG_NOTICE([Build configuration:
        bindir: $bindir
        libdir: $libdir
        includedir: $includedir
+       sysconfdir: $sysconfdir
 
 Miscellaneous Options:
        building tests: $have_check
        code coverage: $use_gcov
+       rely udev: ${enable_rely_udev:-no}
 
 Compilation
-       mkdir build && cd build
        "${MAKE-make}" to start compilation process
        "${MAKE-make}" check to pass test])
 else
@@ -181,11 +182,12 @@ AC_MSG_NOTICE([Build configuration:
        bindir: $bindir
        libdir: $libdir
        includedir: $includedir
+       sysconfdir: $sysconfdir
 
 Miscellaneous Options:
        building tests: $have_check
+       rely udev: ${enable_rely_udev:-no}
 
 Compilation
-       mkdir build && cd build
        "${MAKE-make}" to start compilation process])
 fi