diff --git a/build.sh b/build.sh
index 6eca25d..556308a 100755
--- a/build.sh
+++ b/build.sh
@@ -7,6 +7,8 @@ TARGET="coolkbd"
 FLAGS="$(pkg-config --cflags --libs x11 xft xtst xrandr)"
 FLAGS="$FLAGS -Wall -lm"
 MODE_FLAGS="-O3 -DNDEBUG"
+DEF_CONFIG="config.h"
+CONFIG="$DEF_CONFIG"
 
 while [ "$#" != "0" ]; do
   if [ "$1" = "-release" ]; then
@@ -16,26 +18,30 @@ while [ "$#" != "0" ]; do
     MODE_FLAGS="-g -O0"
   elif [ "$1" = "-direct-touch" ]; then
     FLAGS="$FLAGS -DDIRECT_TOUCH $(pkg-config --cflags --libs mtdev)"
+  elif [ "$1" = "-config" ] && [ -n "$2" ]; then
+    CONFIG="$2"
+    echo "use config $CONFIG"
+    shift
   elif [ "$1" = "-target" ] && [ -n "$2" ]; then
     TARGET="$2"
     shift
   else
-    echo "usage: ./build.sh [-debug|-release] [-direct-touch] [-target TARGET]"
+    echo "usage: ./build.sh [-debug|-release] [-direct-touch] [-config CONFIG.H] [-target TARGET]"
     exit 1
   fi
   shift
 done
 
 
-if [ ! -f "config.h" ]; then
-  echo "copy config.h from example"
-  cp config.h.example config.h
+if [ "$CONFIG" == "$DEF_CONFIG" ] && [ ! -f "$DEF_CONFIG" ]; then
+  echo "copy $DEF_CONFIG from example"
+  cp config.h.example $DEF_CONFIG
 fi
 
 
 echo "build target: $TARGET"
-echo cc main.c $MODE_FLAGS $FLAGS -o "$TARGET"
-     cc main.c $MODE_FLAGS $FLAGS -o "$TARGET"
+echo cc main.c $MODE_FLAGS $FLAGS -include "$CONFIG" -o "$TARGET"
+     cc main.c $MODE_FLAGS $FLAGS -include "$CONFIG" -o "$TARGET"
 
 
 echo done
diff --git a/maemo/build.sh b/maemo/build.sh
index 927a206..edb27d5 100755
--- a/maemo/build.sh
+++ b/maemo/build.sh
@@ -6,20 +6,15 @@ echo "build executables for maemo"
 
 cd ..
 BUILD_DIR="maemo"
-ARGS="$*"
-
 
 function build() {
-  echo "copy config $BUILD_DIR/$1 -> config.h"
-  cp "$BUILD_DIR/$1" "config.h"
-  shift
-  local TARGET="$BUILD_DIR/$1"
+  local TYPE="$1"
   shift
-  echo ./build.sh "$@" -target "$TARGET"
-  ./build.sh "$@" -target "$TARGET"
+  echo ./build.sh "$@" -config "$BUILD_DIR/config.$TYPE.h" -target "$BUILD_DIR/coolkbd.$TYPE"
+       ./build.sh "$@" -config "$BUILD_DIR/config.$TYPE.h" -target "$BUILD_DIR/coolkbd.$TYPE"
 }
 
-build config.h.dock   coolkbd.dock   "$@"
-build config.h.bottom coolkbd.bottom "$@"
-build config.h.top    coolkbd.top    "$@"
+build dock   "$@"
+build bottom "$@"
+build top    "$@"
 
diff --git a/maemo/config.bottom.h b/maemo/config.bottom.h
new file mode 100644
index 0000000..705e73e
--- /dev/null
+++ b/maemo/config.bottom.h
@@ -0,0 +1,36 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+
+
+#define NOBORDER
+#define NOTITLE
+#define LOCK_SIZE
+//#define DOCK
+//#define TOP_RESIZE
+//#define TOP
+#define SCREEN_EVENTS
+
+#define WIDTH_SCALE      1/1   // (nominator)/(denomitator)
+#define HEIGHT_SCALE     2/5
+#define WIDTH_SCALE_P    1/1   // scales for portrait mode, if you need different
+#define HEIGHT_SCALE_P   1/3   // you need to comment/uncomment both lines
+
+#define TITLE            "coolkbd"
+#define MIN_WIDTH        200
+#define MIN_HEIGHT       100
+#define LONGPRESS_MS     1500
+
+#define FONTS            { "DejaVu Sans:bold", "DejaVu Sans", "DejaVu" }
+#define FONT_SIZES       { 2, 3, 4, 6, 8, 10, 12, 16, 18, 24, 32, 40, 48 }
+#define FONT_MAX_SIZES   16
+
+#define TOUCH_THRESHOLD0 0.3 // threshold for detect a touch should be a bit greater
+#define TOUCH_THRESHOLD1 0.2 // then threshold to detect resease
+
+#define LABEL_MAXLEN     32
+
+#define KEY_BORDER       2   // see also S in layout.defs.h
+
+
+#endif
diff --git a/maemo/config.dock.h b/maemo/config.dock.h
new file mode 100644
index 0000000..fe1ff98
--- /dev/null
+++ b/maemo/config.dock.h
@@ -0,0 +1,36 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+
+
+//#define NOBORDER
+//#define NOTITLE
+//#define LOCK_SIZE
+#define DOCK
+//#define TOP_RESIZE
+//#define TOP
+#define SCREEN_EVENTS
+
+#define WIDTH_SCALE      1/1   // (nominator)/(denomitator)
+#define HEIGHT_SCALE     2/5
+#define WIDTH_SCALE_P    1/1   // scales for portrait mode, if you need different
+#define HEIGHT_SCALE_P   1/3   // you need to comment/uncomment both lines
+
+#define TITLE            "coolkbd"
+#define MIN_WIDTH        200
+#define MIN_HEIGHT       100
+#define LONGPRESS_MS     1500
+
+#define FONTS            { "DejaVu Sans:bold", "DejaVu Sans", "DejaVu" }
+#define FONT_SIZES       { 2, 3, 4, 6, 8, 10, 12, 16, 18, 24, 32, 40, 48 }
+#define FONT_MAX_SIZES   16
+
+#define TOUCH_THRESHOLD0 0.3 // threshold for detect a touch should be a bit greater
+#define TOUCH_THRESHOLD1 0.2 // then threshold to detect resease
+
+#define LABEL_MAXLEN     32
+
+#define KEY_BORDER       2   // see also S in layout.defs.h
+
+
+#endif
diff --git a/maemo/config.h.bottom b/maemo/config.h.bottom
deleted file mode 100644
index 705e73e..0000000
--- a/maemo/config.h.bottom
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-
-
-#define NOBORDER
-#define NOTITLE
-#define LOCK_SIZE
-//#define DOCK
-//#define TOP_RESIZE
-//#define TOP
-#define SCREEN_EVENTS
-
-#define WIDTH_SCALE      1/1   // (nominator)/(denomitator)
-#define HEIGHT_SCALE     2/5
-#define WIDTH_SCALE_P    1/1   // scales for portrait mode, if you need different
-#define HEIGHT_SCALE_P   1/3   // you need to comment/uncomment both lines
-
-#define TITLE            "coolkbd"
-#define MIN_WIDTH        200
-#define MIN_HEIGHT       100
-#define LONGPRESS_MS     1500
-
-#define FONTS            { "DejaVu Sans:bold", "DejaVu Sans", "DejaVu" }
-#define FONT_SIZES       { 2, 3, 4, 6, 8, 10, 12, 16, 18, 24, 32, 40, 48 }
-#define FONT_MAX_SIZES   16
-
-#define TOUCH_THRESHOLD0 0.3 // threshold for detect a touch should be a bit greater
-#define TOUCH_THRESHOLD1 0.2 // then threshold to detect resease
-
-#define LABEL_MAXLEN     32
-
-#define KEY_BORDER       2   // see also S in layout.defs.h
-
-
-#endif
diff --git a/maemo/config.h.dock b/maemo/config.h.dock
deleted file mode 100644
index fe1ff98..0000000
--- a/maemo/config.h.dock
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-
-
-//#define NOBORDER
-//#define NOTITLE
-//#define LOCK_SIZE
-#define DOCK
-//#define TOP_RESIZE
-//#define TOP
-#define SCREEN_EVENTS
-
-#define WIDTH_SCALE      1/1   // (nominator)/(denomitator)
-#define HEIGHT_SCALE     2/5
-#define WIDTH_SCALE_P    1/1   // scales for portrait mode, if you need different
-#define HEIGHT_SCALE_P   1/3   // you need to comment/uncomment both lines
-
-#define TITLE            "coolkbd"
-#define MIN_WIDTH        200
-#define MIN_HEIGHT       100
-#define LONGPRESS_MS     1500
-
-#define FONTS            { "DejaVu Sans:bold", "DejaVu Sans", "DejaVu" }
-#define FONT_SIZES       { 2, 3, 4, 6, 8, 10, 12, 16, 18, 24, 32, 40, 48 }
-#define FONT_MAX_SIZES   16
-
-#define TOUCH_THRESHOLD0 0.3 // threshold for detect a touch should be a bit greater
-#define TOUCH_THRESHOLD1 0.2 // then threshold to detect resease
-
-#define LABEL_MAXLEN     32
-
-#define KEY_BORDER       2   // see also S in layout.defs.h
-
-
-#endif
diff --git a/maemo/config.h.top b/maemo/config.h.top
deleted file mode 100644
index 5719e87..0000000
--- a/maemo/config.h.top
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-
-
-#define NOBORDER
-#define NOTITLE
-#define LOCK_SIZE
-//#define DOCK
-//#define TOP_RESIZE
-#define TOP
-#define SCREEN_EVENTS
-
-#define WIDTH_SCALE      1/1   // (nominator)/(denomitator)
-#define HEIGHT_SCALE     2/5
-#define WIDTH_SCALE_P    1/1   // scales for portrait mode, if you need different
-#define HEIGHT_SCALE_P   1/3   // you need to comment/uncomment both lines
-
-#define TITLE            "coolkbd"
-#define MIN_WIDTH        200
-#define MIN_HEIGHT       100
-#define LONGPRESS_MS     1500
-
-#define FONTS            { "DejaVu Sans:bold", "DejaVu Sans", "DejaVu" }
-#define FONT_SIZES       { 2, 3, 4, 6, 8, 10, 12, 16, 18, 24, 32, 40, 48 }
-#define FONT_MAX_SIZES   16
-
-#define TOUCH_THRESHOLD0 0.3 // threshold for detect a touch should be a bit greater
-#define TOUCH_THRESHOLD1 0.2 // then threshold to detect resease
-
-#define LABEL_MAXLEN     32
-
-#define KEY_BORDER       2   // see also S in layout.defs.h
-
-
-#endif
diff --git a/maemo/config.top.h b/maemo/config.top.h
new file mode 100644
index 0000000..5719e87
--- /dev/null
+++ b/maemo/config.top.h
@@ -0,0 +1,36 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+
+
+#define NOBORDER
+#define NOTITLE
+#define LOCK_SIZE
+//#define DOCK
+//#define TOP_RESIZE
+#define TOP
+#define SCREEN_EVENTS
+
+#define WIDTH_SCALE      1/1   // (nominator)/(denomitator)
+#define HEIGHT_SCALE     2/5
+#define WIDTH_SCALE_P    1/1   // scales for portrait mode, if you need different
+#define HEIGHT_SCALE_P   1/3   // you need to comment/uncomment both lines
+
+#define TITLE            "coolkbd"
+#define MIN_WIDTH        200
+#define MIN_HEIGHT       100
+#define LONGPRESS_MS     1500
+
+#define FONTS            { "DejaVu Sans:bold", "DejaVu Sans", "DejaVu" }
+#define FONT_SIZES       { 2, 3, 4, 6, 8, 10, 12, 16, 18, 24, 32, 40, 48 }
+#define FONT_MAX_SIZES   16
+
+#define TOUCH_THRESHOLD0 0.3 // threshold for detect a touch should be a bit greater
+#define TOUCH_THRESHOLD1 0.2 // then threshold to detect resease
+
+#define LABEL_MAXLEN     32
+
+#define KEY_BORDER       2   // see also S in layout.defs.h
+
+
+#endif