diff --git a/ax_init_standard_project.m4 b/ax_init_standard_project.m4
index a2dbd87..f8e0b9c 100644
--- a/ax_init_standard_project.m4
+++ b/ax_init_standard_project.m4
@@ -22,21 +22,19 @@ m4_define(x_least, mrw_esyscmd_s([
 # define version number from subversion's revision number:
 # it is taken modulo 256 due to a bug on Apple's MacOSX
 # add to x_minor if revision number is > 256
-m4_define(x_minor_fixed, mrw_esyscmd_s([
+m4_define(x_minor_diff, mrw_esyscmd_s([
   SVN_REVISION="ERROR-UNDEFINED-REVISION-to-be-built-in-subdirectory-of-svn-checkout"
   for path in . .. ../..; do
     if svn info $path 2>&1 > /dev/null; then
       SVN_REVISION=$(LANG= svn info $path | sed -n 's/Last Changed Rev: //p')
       break;
-    fi
+    fi;
   done
   # Mac does not support LEAST > 255
-  echo $ECHO_N $((x_minor+$SVN_REVISION/256))
+  echo $ECHO_N $(($SVN_REVISION/256))
 ]))
 # setup version number
-m4_define(x_version, mrw_esyscmd_s([
-  echo $ECHO_N x_major.x_minor_fixed.x_least
-]))
+m4_define(x_version, [x_major.m4_eval(x_minor+x_minor_diff).x_least])
 
 ## bugreport mail address is taken from <user@host> in first line of AUTHORS
 m4_define(x_bugreport, mrw_esyscmd_s([
@@ -264,9 +262,9 @@ EOF
 # use this in configure.ac to support C++ libraries
 AC_DEFUN([AX_USE_LIBTOOL], [
   # libtool versioning
-  LIB_MAJOR=m4_eval(x_major+x_minor_fixed)
+  LIB_MAJOR=m4_eval(x_major+x_minor+x_minor_diff)
   LIB_MINOR=x_least
-  LIB_LEAST=x_minor_fixed
+  LIB_LEAST=m4_eval(x_minor+x_minor_diff)
   LIB_VERSION="${LIB_MAJOR}:${LIB_MINOR}:${LIB_LEAST}"
   AM_LDFLAGS="-version-info ${LIB_VERSION}"
   AC_SUBST(AM_LDFLAGS)
diff --git a/bootstrap.sh b/bootstrap.sh
index aeaad17..eea7291 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -741,9 +741,6 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: pkgconfig, redhat-lsb$(
     if testtag AX_USE_CPPUNIT; then
       echo -n ", cppunit-devel";
-    fi;
-    if testtag AX_REQUIRE_QT || testtag AX_CHECK_QT; then
-      echo -n ", qt5-qtwebkit-devel";
     fi)
 %if ! ( 0%{?centos} || 0%{?centos_ver} || 0%{?centos_version} )
 $(if testtag AX_USE_DOXYGEN; then echo -n "BuildRequires: mscgen"; fi)