File portaudio-mingw-cxx-libtool.patch of Package mingw32-portaudio
--- configure.in.old 2014-12-14 20:49:36.745201994 +0000 +++ configure.in 2014-12-14 20:50:09.734414807 +0000 @@ -97,10 +97,6 @@ dnl Checks for programs. AC_PROG_CC -dnl ASIO and CXX bindings need a C++ compiler -if [[ "$with_asio" = "yes" ] || [ "$enable_cxx" = "yes" ]] ; then - AC_PROG_CXX -fi AC_LIBTOOL_WIN32_DLL AC_PROG_LIBTOOL AC_PROG_INSTALL