+dnl ********************************
+dnl *** Check for basic programs ***
+dnl ********************************
+AC_PROG_CC()
+AM_PROG_CC_C_O()
+AC_PROG_LD()
+AC_PROG_INSTALL()
+IT_PROG_INTLTOOL([0.35.0])
+
+dnl **********************************
+dnl *** Check for standard headers ***
+dnl **********************************
+AC_HEADER_STDC()
+AC_CHECK_HEADERS([stdlib.h unistd.h locale.h stdio.h errno.h time.h string.h \
+ math.h sys/types.h sys/wait.h memory.h signal.h sys/prctl.h \
+ libintl.h])
+AC_CHECK_FUNCS([bind_textdomain_codeset])
+
+dnl ******************************
+dnl *** Check for i18n support ***
+dnl ******************************
+XDT_I18N([@LINGUAS@])
+
+dnl *******************************
+dnl *** Check for X11 installed ***
+dnl *******************************
+XDT_CHECK_LIBX11_REQUIRE()
+
+dnl ***********************************
+dnl *** Check for required packages ***
+dnl ***********************************
+XDT_CHECK_PACKAGE([GTK], [gtk+-3.0], [3.20.0])
+XDT_CHECK_PACKAGE([LIBXFCE4UI], [libxfce4ui-2], [4.14.0])
+XDT_CHECK_PACKAGE([LIBXFCE4UTIL], [libxfce4util-1.0], [4.14.0])
+XDT_CHECK_PACKAGE([LIBXFCE4PANEL], [libxfce4panel-2.0], [4.14.0])
+
+dnl ***********************************
+dnl *** Check for debugging support ***
+dnl ***********************************
+XDT_FEATURE_DEBUG()
+
+dnl *********************************
+dnl *** Substitute platform flags ***
+dnl *********************************
+AC_MSG_CHECKING([PLATFORM_CPPFLAGS])
+AC_MSG_RESULT([$PLATFORM_CPPFLAGS])
+AC_SUBST([PLATFORM_CPPFLAGS])
+AC_MSG_CHECKING([PLATFORM_CFLAGS])
+AC_MSG_RESULT([$PLATFORM_CFLAGS])
+AC_SUBST([PLATFORM_CFLAGS])
+AC_MSG_CHECKING([PLATFORM_LDFLAGS])
+AC_MSG_RESULT([$PLATFORM_LDFLAGS])
+AC_SUBST([PLATFORM_LDFLAGS])
+
+AC_OUTPUT([
+Makefile
+icons/Makefile
+icons/16x16/Makefile
+icons/22x22/Makefile
+icons/24x24/Makefile
+icons/32x32/Makefile
+icons/36x36/Makefile
+icons/48x48/Makefile
+icons/64x64/Makefile
+icons/72x72/Makefile
+icons/96x96/Makefile
+icons/128x128/Makefile
+icons/192x192/Makefile
+icons/256x256/Makefile
+icons/512x512/Makefile
+icons/scalable/Makefile
+panel-plugin/Makefile
+po/Makefile.in
+])
+
+dnl ***************************
+dnl *** Print configuration ***
+dnl ***************************
+echo
+echo "Build Configuration:"
+echo
+echo "* Debug Support: $enable_debug"
+echo