diff --git a/configure.ac b/configure.ac index 854d6b1d4..cafa7c7f9 100644 --- a/configure.ac +++ b/configure.ac @@ -928,6 +928,26 @@ if test x$use_upnp != xno; then [AC_CHECK_LIB([miniupnpc], [upnpDiscover], [MINIUPNPC_LIBS=-lminiupnpc], [have_miniupnpc=no])], [have_miniupnpc=no] ) +dnl The minimum supported miniUPnPc API version is set to 10. This keeps compatibility +dnl with Ubuntu 16.04 LTS and Debian 8 libminiupnpc-dev packages. +if test x$have_miniupnpc != xno; then + AC_MSG_CHECKING([whether miniUPnPc API version is supported]) + AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ + @%:@include + ]], [[ + #if MINIUPNPC_API_VERSION >= 10 + // Everything is okay + #else + # error miniUPnPc API version is too old + #endif + ]])],[ + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + AC_MSG_WARN([miniUPnPc API version < 10 is unsupported, disabling UPnP support.]) + have_miniupnpc=no + ]) +fi fi BITCOIN_QT_INIT @@ -1326,9 +1346,10 @@ dnl enable upnp support AC_MSG_CHECKING([whether to build with support for UPnP]) if test x$have_miniupnpc = xno; then if test x$use_upnp = xyes; then - AC_MSG_ERROR("UPnP requested but cannot be built. use --without-miniupnpc") + AC_MSG_ERROR("UPnP requested but cannot be built. Use --without-miniupnpc.") fi AC_MSG_RESULT(no) + use_upnp=no else if test x$use_upnp != xno; then AC_MSG_RESULT(yes)