gentoo-overlay/media-libs/mlt/files/mlt-6.2.0-ruby-link.patch

The build system tries to link to installed system libraries first, which
fails because the ABI has changed...

--- a/src/swig/ruby/build
+++ b/src/swig/ruby/build
@@ -5,9 +5,11 @@
   exit 0
 end
 system( "ln -sf ../mlt.i" )
+system( "ln -sf ../../framework/libmlt.so" )
+system( "ln -sf ../../mlt++/libmlt++.so" )
 system( "swig -c++ -ruby -I../../mlt++ -I../.. mlt.i" )
 $CFLAGS = $CFLAGS.to_s + " -I../.. " + (ENV.has_key?('CXXFLAGS')? ENV['CXXFLAGS'] : '')
 $CXXFLAGS = $CXXFLAGS.to_s + " -I../.. " + (ENV.has_key?('CXXFLAGS')? ENV['CXXFLAGS'] : '')
-$LDFLAGS = $LDFLAGS.to_s + " -L../../mlt++ -lmlt++"
+$LIBS += " -lmlt++ -lmlt -lstdc++"
 create_makefile('mlt')
 system( "make V=1" )