+# ------------------------------------------------------------------------------
+have_qrencode=no
+AC_ARG_ENABLE(qrencode, AS_HELP_STRING([--disable-qrencode], [disable qrencode support]))
+if test "x$enable_qrencode" != "xno"; then
+ PKG_CHECK_MODULES(QRENCODE, [ libqrencode ],
+ [AC_DEFINE(HAVE_QRENCODE, 1, [Define if qrencode is available]) have_qrencode=yes], have_qrencode=no)
+ if test "x$have_qrencode" = xno -a "x$enable_qrencode" = xyes; then
+ AC_MSG_ERROR([*** qrencode support requested but libraries not found])
+ fi
+fi
+AM_CONDITIONAL(HAVE_QRENCODE, [test "$have_qrencode" = "yes"])
+
+# ------------------------------------------------------------------------------
+have_microhttpd=no
+AC_ARG_ENABLE(microhttpd, AS_HELP_STRING([--disable-microhttpd], [disable microhttpd support]))
+if test "x$enable_microhttpd" != "xno"; then
+ PKG_CHECK_MODULES(MICROHTTPD, [ libmicrohttpd ],
+ [AC_DEFINE(HAVE_MICROHTTPD, 1, [Define if microhttpd is available]) have_microhttpd=yes], have_microhttpd=no)
+ if test "x$have_microhttpd" = xno -a "x$enable_microhttpd" = xyes; then
+ AC_MSG_ERROR([*** microhttpd support requested but libraries not found])
+ fi
+fi
+AM_CONDITIONAL(HAVE_MICROHTTPD, [test "$have_microhttpd" = "yes"])
+