tdeedu - patch for ocaml build with gcc10
tdegraphics - workaround for error: cannot convert ‘XRef*’ to ‘PDFDoc*’
tqt3 - extended libs and headers search paths
inkscape - include v1.0.2 build, with gdl and double-conversion
mp4v2 - patched for gcc10
moved some variables from get-source.sh to BUILD-TDE.sh to export for ocaml, facile, gdl, and double-conversion builds