=> Bootstrap dependency digest>=20010302: found digest-20190127 => Checksum SHA1 OK for labltk-8.06.3.tar.gz => Checksum RMD160 OK for labltk-8.06.3.tar.gz => Checksum SHA512 OK for labltk-8.06.3.tar.gz ===> Installing dependencies for labltk-8.06.3nb5 => Tool dependency gmake>=3.81: found gmake-4.2.1nb1 => Build dependency x11-links>=1.31: found x11-links-1.31 => Build dependency cwrappers>=20150314: found cwrappers-20180325 => Full dependency ocaml-findlib>=1.8.1: found ocaml-findlib-1.8.1 => Full dependency ocaml>=4.08.1nb1: found ocaml-4.08.1nb2 => Full dependency tk>=8.6.8nb1: found tk-8.6.9.1 ===> Overriding tools for labltk-8.06.3nb5 ===> Extracting for labltk-8.06.3nb5 ===> Patching for labltk-8.06.3nb5 => Applying pkgsrc patches for labltk-8.06.3nb5 ===> Creating toolchain wrappers for labltk-8.06.3nb5 ===> Configuring for labltk-8.06.3nb5 Configuring LablTk... tcl.h and/or tk.h not found. Tcl library not found. test: no: unexpected operator test: no: unexpected operator test: no: unexpected operator test: no: unexpected operator Tcl library found. [WARNING] Tk library not found. ** Configuration summary ** The "labltk" library: not supported