[balsa] Allow configure --enable-touch-ui=no and --disable-touch-ui

[Peter Bloomfield <PeterB src gnome org>]

commit a8d010ac429b145eff6c75f6be904686a5df2a91
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Fri Jan 1 10:51:59 2010 -0500

    Allow configure --enable-touch-ui=no and --disable-touch-ui

 ChangeLog    |    5 +++++
 configure.in |   17 ++++++++++++++---
 2 files changed, 19 insertions(+), 3 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 955b03f..0a9301d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-01  Peter Bloomfield
+
+	* configure.in: Allow configure --enable-touch-ui=no and
+	--disable-touch-ui.
+
 2010-01-01  Pawel Salek
 
 	* libbalsa/send.c: Fix bug 605807.
diff --git a/configure.in b/configure.in
index d8bd8d1..8789b61 100644
--- a/configure.in
+++ b/configure.in
@@ -209,9 +209,9 @@ dnl Enable touchscreen optimized UI?
 dnl ##########################################################################
 
 AC_ARG_ENABLE(touch-ui,
-        AC_HELP_STRING([--enable-touch-ui],
-                [Enable Touchscreen UI mode (default=no)]),
-    [AC_DEFINE(ENABLE_TOUCH_UI,1,[Defined when touchscreen optimized UI is to be enabled.])])
+              AC_HELP_STRING([--enable-touch-ui],
+                             [Enable Touchscreen UI mode (default=no)]),
+              [enable_touch_ui="$enableval"],[enable_touch_ui=no])
 
 dnl #####################################################################
 dnl 3. Programs: compilers and their options.
@@ -821,6 +821,16 @@ else
     AC_MSG_RESULT([no])
 fi
 
+# Touch UI configuration
+#
+AC_MSG_CHECKING([whether to configure for Touch UI])
+if test x$enable_touch_ui != xno; then
+    AC_DEFINE(ENABLE_TOUCH_UI,1,[Defined when touchscreen optimized UI is to be enabled.])
+    AC_MSG_RESULT([yes])
+else
+    AC_MSG_RESULT([no])
+fi
+
 dnl #####################################################################
 dnl 5. Headers.
 dnl #####################################################################
@@ -1017,6 +1027,7 @@ echo "             Use Libnotify: $with_libnotify"
 echo "         Use GtkSourceView: $with_gtksourceview"
 echo "              Use Compface: $with_compface"
 echo "  Install extra MIME icons: $install_mimeicons"
+echo "    Configure for Touch UI: $enable_touch_ui"
 dnl echo "                  Use SASL: $need_sasl"
 echo ""