diff --git a/ax_check_qt.m4 b/ax_check_qt.m4
index def2d92..21c8104 100644
--- a/ax_check_qt.m4
+++ b/ax_check_qt.m4
@@ -75,19 +75,19 @@ AC_DEFUN([AX_CXX_QT_TOOLS], [
 
 AC_DEFUN([AX_CHECK_VALID_FLAG], [
   AC_MSG_CHECKING([m4_default([$2], [for valid flag in "$1"])])
-  save_cxxflags="$CXXFLAGS"
+  save_cppflags="$CPPFLAGS"
   newflag="no"
   for test_flag in $1; do
-    CXXFLAGS+=" ${test_flag}"
+    CPPFLAGS+=" ${test_flag}"
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
       newflag="$test_flag"
-      AM_CXXFLAGS+=" ${test_flag}"
-      CXXFLAGS="$save_cxxflags"
+      CPPFLAGS="$save_cppflags"
+      CPPFLAGS+=" ${test_flag}"
       break;
     ])
-    CXXFLAGS="$save_cxxflags"
+    CPPFLAGS="$save_cppflags"
   done
-  AC_SUBST(AM_CXXFLAGS)
+  AC_SUBST(CPPFLAGS)
   AC_MSG_RESULT([$newflag])
 ])
 
@@ -100,16 +100,16 @@ AC_DEFUN([AX_CHECK_QT], [
   PKG_CHECK_MODULES([$1]5, [${qt_modules//Qt/Qt5}], [
     HAVE_$1=1
     AC_DEFINE([HAVE_$1])
-    AM_CPPFLAGS+=" ${[$1]5_CFLAGS}"
+    CPPFLAGS+=" ${[$1]5_CFLAGS}"
     MOC_FLAGS+=" -DHAVE_$1=1 ${[$1]5_CFLAGS}"
-    AM_CXXFLAGS+=" ${[$1]5_CFLAGS}"
+    CXXFLAGS+=" ${[$1]5_CFLAGS}"
     LIBS+=" ${[$1]5_LIBS}"
     PKG_REQUIREMENTS+=" ${qt_modules//Qt/Qt5}"
     if test -n "${qt_modules_optional}"; then
       PKG_CHECK_MODULES([$1]5_OPTIONAL, [${qt_modules_optional//Qt/Qt5}], [
-        AM_CPPFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
+        CPPFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
         MOC_FLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
-        AM_CXXFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
+        CXXFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
         LIBS+=" ${[$1]5_OPTIONAL_LIBS}"
         PKG_REQUIREMENTS+=" ${qt_modules_optional//Qt/Qt5}"
       ], [
@@ -120,16 +120,16 @@ AC_DEFUN([AX_CHECK_QT], [
     PKG_CHECK_MODULES([$1], [${qt_modules}], [
       HAVE_$1=1
       AC_DEFINE([HAVE_$1])
-      AM_CPPFLAGS+=" ${$1_CFLAGS}"
+      CPPFLAGS+=" ${$1_CFLAGS}"
       MOC_FLAGS+=" -DHAVE_$1=1 ${$1_CFLAGS}"
-      AM_CXXFLAGS+=" ${$1_CFLAGS}"
+      CXXFLAGS+=" ${$1_CFLAGS}"
       LIBS+=" ${$1_LIBS}"
       PKG_REQUIREMENTS+=" ${qt_modules}"
       if test -n "$3"; then
         PKG_CHECK_MODULES($1_OPTIONAL, [${qt_modules_optional}], [
-          AM_CPPFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
+          CPPFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
           MOC_FLAGS+=" ${$1_OPTIONAL_CFLAGS}"
-          AM_CXXFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
+          CXXFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
           LIBS+=" ${$1_OPTIONAL_LIBS}"
           PKG_REQUIREMENTS+=" ${qt_modules_optional}"
         ], [
@@ -140,9 +140,9 @@ AC_DEFUN([AX_CHECK_QT], [
   ])
   AM_CONDITIONAL(HAVE_$1, test $HAVE_$1 -eq 1)
   AX_CHECK_VALID_FLAG([-fPIC -fPIE], [position independent code flag])
-  AC_SUBST(AM_CPPFLAGS)
+  AC_SUBST(CPPFLAGS)
   AC_SUBST(MOC_FLAGS)
-  AC_SUBST(AM_CXXFLAGS)
+  AC_SUBST(CXXFLAGS)
   AC_SUBST(PKG_REQUIREMENTS)
   AX_ADDITIONAL_QT_RULES_HACK='
 
@@ -158,8 +158,8 @@ qrc_%.cxx: %.qrc
 	$(RCC) -o [$][@] -name ${<:%.qrc=%} $<
   AC_SUBST(AX_ADDITIONAL_QT_RULES_HACK)
 
-%.qrc: %
-	cwd=$(shell pwd) && cd $< && $(RCC) --project -o ${cwd}/[$][@]
+#%.qrc: %
+#	cwd=$$(pwd) && cd $< && $(RCC) -project -o $${cwd}/[$][@]
 
 %.qm: %.ts
 	${LRELEASE} $< -qm [$][@]
@@ -217,5 +217,5 @@ AC_DEFUN([AX_REQUIRE_QT], [
 #     AX_QT_NO_KEYWORDS
 
 AC_DEFUN([AX_QT_NO_KEYWORDS], [
-  AM_CPPFLAGS+=" -DQT_NO_KEYWORDS"
+  CPPFLAGS+=" -DQT_NO_KEYWORDS"
 ])
diff --git a/ax_init_standard_project.m4 b/ax_init_standard_project.m4
index d53b195..9bfa33e 100644
--- a/ax_init_standard_project.m4
+++ b/ax_init_standard_project.m4
@@ -108,7 +108,7 @@ AC_DEFUN([AX_SUBST], [
 #
 # configures the basic environment
 AC_DEFUN([AX_INIT_STANDARD_PROJECT], [
-  AM_CPPFLAGS+=" '-DMAKE_STRING(X)=\#X' '-DNAMESPACE=${PACKAGE_NAME}'"
+  AM_CPPFLAGS+=" '-DMAKE_STRING(X)=\#X' '-DNAMESPACE=${PACKAGE_NAME//-/_}'"
   AX_SUBST(NUMBERS)
   AX_SUBST(HOME)
   README=$(tail -n +3 README)
@@ -403,8 +403,8 @@ AC_DEFUN([AX_PKG_REQUIRE], [
       done
     fi
   ])
-  AC_SUBST(AM_CPPFLAGS)
-  AC_SUBST(AM_CXXFLAGS)
+  AC_SUBST(CPPFLAGS)
+  AC_SUBST(CXXFLAGS)
   AC_SUBST(PKG_REQUIREMENTS)
   if test -n "$3"; then
     tmp_package=${$1_found}
@@ -459,8 +459,8 @@ AC_DEFUN([AX_PKG_REQUIRE], [
       AC_MSG_ERROR([Feature $1 not found please install module $secondpar])
     fi
   fi
-  AM_CPPFLAGS+=" ${$1_CFLAGS}"
-  AM_CXXFLAGS+=" ${$1_CFLAGS}"
+  CPPFLAGS+=" ${$1_CFLAGS}"
+  CXXFLAGS+=" ${$1_CFLAGS}"
   LIBS+=" ${$1_LIBS}"
 ])
 
@@ -476,8 +476,8 @@ AC_DEFUN([AX_PKG_CHECK], [
   PKG_PROG_PKG_CONFIG
   PKG_CHECK_MODULES([$1], [m4_default([$2], [$1])], [
     HAVE_$1=1
-    AM_CPPFLAGS+=" ${$1_CFLAGS}"
-    AM_CXXFLAGS+=" ${$1_CFLAGS}"
+    CPPFLAGS+=" ${$1_CFLAGS}"
+    CXXFLAGS+=" ${$1_CFLAGS}"
     LIBS+=" ${$1_LIBS}"
     if test -z "$PKG_REQUIREMENTS"; then
       PKG_REQUIREMENTS="m4_default([$2], [$1])"
@@ -489,7 +489,32 @@ AC_DEFUN([AX_PKG_CHECK], [
   ])
   AM_CONDITIONAL(HAVE_$1, test $HAVE_$1 -eq 1)
   AC_SUBST(HAVE_$1)
-  AC_SUBST(AM_CPPFLAGS)
-  AC_SUBST(AM_CXXFLAGS)
+  AC_SUBST(CPPFLAGS)
+  AC_SUBST(CXXFLAGS)
   AC_SUBST(PKG_REQUIREMENTS)
 ])
+
+# make sure, a specific header exists
+# - parameter:
+#    $1 = header name
+AC_DEFUN([AX_REQUIRE_HEADER], [
+  AC_CHECK_HEADER($1, [], [
+    if test -n "$2"; then
+      found=0
+      for d in $2; do
+        if test -f "${d}/$1"; then
+          AC_MSG_NOTICE([found file ${d}/$1])
+          CPPFLAGS+=" -I${d}"
+          found=1
+          break;
+        else
+          AC_MSG_NOTICE([not found file ${d}/$1])
+        fi
+      done
+    fi
+    if test $found -eq 0; then
+      AC_MSG_ERROR([Header $1 not found])
+    fi
+    ], [])
+  ], [])
+])
diff --git a/bootstrap.sh b/bootstrap.sh
index 33d488b..df01652 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -601,7 +601,8 @@ Maintainer: @AUTHOR@
 Build-Depends: debhelper, pkg-config, autotools-dev, lsb-release $(if testtag AX_USE_DOXYGEN; then echo -n ", doxygen, graphviz"; fi; if testtag AX_USE_CPPUNIT; then echo -n ", libcppunit-dev"; fi; if testtag AX_CXX_QT || testtag AX_CXX_CHECK_QT; then echo -n ", qtbase5-dev | libqt4-dev, qtbase5-dev-tools | qt4-dev-tools"; fi)
 
 Package: @PACKAGE_NAME@
-$(if testtag AX_USE_LIBTOOL; then echo "Section: libs"; echo; fi)Architecture: any
+Section: $(if testtag AX_USE_LIBTOOL; then echo  "libs"; fi)
+Architecture: any
 Depends: \${shlibs:Depends}, \${misc:Depends}
 Description: @DESCRIPTION@
 @README_DEB@