Add --enable-ia2 configuration option

Change-Id: I950c47bd95d5bb4aacf9e584c8e2eeef461af71f

accessibility/Module_accessibility.mk

@@ -17,6 +17,7 @@ $(eval $(call gb_Module_add_l10n_targets,accessibility,\
     AllLangResTarget_acc \
 ))
 
+ifneq ($(ENABLE_IA2),TRUE)
 ifneq ($(ENABLE_JAVA),)
 ifeq ($(OS),WNT)
 $(eval $(call gb_Module_add_targets,accessibility,\
@@ -27,5 +28,6 @@ $(eval $(call gb_Module_add_targets,accessibility,\
 ))
 endif
 endif
+endif
 
 # vim:set noet sw=4 ts=4:

config_host.mk.in

@@ -123,6 +123,7 @@ export ENABLE_GNOMEVFS=@ENABLE_GNOMEVFS@
 export ENABLE_GRAPHITE=@ENABLE_GRAPHITE@
 export ENABLE_ORCUS=@ENABLE_ORCUS@
 export ENABLE_HARFBUZZ=@ENABLE_HARFBUZZ@
+export ENABLE_IA2=@ENABLE_IA2@
 export ENABLE_GSTREAMER=@ENABLE_GSTREAMER@
 export ENABLE_GSTREAMER_0_10=@ENABLE_GSTREAMER_0_10@
 export ENABLE_GTK3=@ENABLE_GTK3@

configure.ac

@@ -1308,6 +1308,11 @@ AC_ARG_ENABLE(library-bin-tar,
         for the next time.]),
 )
 
+AC_ARG_ENABLE(ia2,
+    AS_HELP_STRING([--enable-ia2],
+        [Enable the Windows IAccessibility2. Disables Java Accessibility Bridge.]),
+,)
+
 dnl ===================================================================
 dnl Optional Packages (--with/without-)
 dnl ===================================================================
@@ -11566,6 +11571,21 @@ else
 fi
 AC_SUBST(ENABLE_ONLINE_UPDATE)
 
+dnl ===================================================================
+dnl Test whether to enable ia2
+dnl ===================================================================
+AC_MSG_CHECKING([whether to enable IA2])
+ENABLE_IA2=
+if test "$enable_ia2" = "yes"; then
+    if test "$_os" = "WINNT"; then
+        AC_MSG_RESULT([yes])
+        ENABLE_IA2="TRUE"
+    else
+        AC_MSG_RESULT([no])
+    fi
+fi
+AC_SUBST(ENABLE_IA2)
+
 dnl ===================================================================
 dnl Test whether to create MSI with LIMITUI=1 (silent install)
 dnl ===================================================================