diff -up ./configure.ac.orig ./configure.ac --- ./configure.ac.orig 2014-07-06 16:53:14.557567606 +0300 +++ ./configure.ac 2014-07-06 16:53:44.623374220 +0300 @@ -334,8 +334,8 @@ if test -n "$PKG_CONFIG" ; then HAVE_EXTERNAL_LIBS=1 enable_external_libs=yes - EXTERNAL_CFLAGS="$FLAC_CFLAGS $OGG_CFLAGS $VORBISENC_CFLAGS $SPEEX_CFLAGS" - EXTERNAL_LIBS="$FLAC_LIBS $VORBISENC_LIBS $SPEEX_LIBS" + EXTERNAL_CFLAGS="$FLAC_CFLAGS $OGG_CFLAGS $VORBIS_CFLAGS $VORBISENC_CFLAGS $SPEEX_CFLAGS" + EXTERNAL_LIBS="$FLAC_LIBS $OGG_LIBS $VORBIS_LIBS $VORBISENC_LIBS $SPEEX_LIBS" else echo AC_MSG_WARN([[*** One or more of the external libraries (ie libflac, libogg and]])