+# --with-libmosquitto {{{
+with_libmosquitto_cppflags=""
+with_libmosquitto_libs="-lmosquitto"
+AC_ARG_WITH(libmosquitto, [AS_HELP_STRING([--with-libmosquitto@<:@=PREFIX@:>@], [Path to libmosquitto.])],
+[
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"
+ then
+ with_libmosquitto_cppflags="-I$withval/include"
+ with_libmosquitto_libs="-L$withval/lib -lmosquitto"
+ with_libmosquitto="yes"
+ else
+ with_libmosquitto="$withval"
+ fi
+],
+[
+ with_libmosquitto="yes"
+])
+if test "x$with_libmosquitto" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$with_libmosquitto_cppflags"
+
+ AC_CHECK_HEADERS(mosquitto.h, [with_libmosquitto="yes"], [with_libmosquitto="no (mosquitto.h not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libmosquitto" = "xyes"
+then
+ SAVE_LDFLAGS="$LDFLAGS"
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ LDFLAGS="$with_libmosquitto_libs"
+ CPPFLAGS="$with_libmosquitto_cppflags"
+
+ AC_CHECK_LIB(mosquitto, mosquitto_connect, [with_libmosquitto="yes"], [with_libmosquitto="no (libmosquitto not found)"])
+
+ LDFLAGS="$SAVE_LDFLAGS"
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libmosquitto" = "xyes"
+then
+ BUILD_WITH_LIBMOSQUITTO_CPPFLAGS="$with_libmosquitto_cppflags"
+ BUILD_WITH_LIBMOSQUITTO_LIBS="$with_libmosquitto_libs"
+ AC_SUBST(BUILD_WITH_LIBMOSQUITTO_CPPFLAGS)
+ AC_SUBST(BUILD_WITH_LIBMOSQUITTO_LIBS)
+fi
+# }}}
+