wenzelm [Thu, 21 Mar 2019 13:34:37 +0100] rev 69936
more robust "switch create";
disable sandboxing to avoid dependency on bubblewrap (unavailable on Ubuntu 16.04);
wenzelm [Thu, 21 Mar 2019 12:41:58 +0100] rev 69935
prefer central root: just one copy of this bulky material;
wenzelm [Thu, 21 Mar 2019 12:38:06 +0100] rev 69934
updated to current opam-2.0.3, which is also the version provided by Cygwin 3.0.4;
wenzelm [Wed, 20 Mar 2019 23:06:51 +0100] rev 69933
updated to cygwin-20190320;
wenzelm [Wed, 20 Mar 2019 22:41:50 +0100] rev 69932
updated to Cygwin 3.0.4 (approximation for Isabelle2019);
wenzelm [Wed, 20 Mar 2019 22:01:12 +0100] rev 69931
prefer ISABELLE_OCAML_SETUP: Cygwin lacks libzarith;
wenzelm [Wed, 20 Mar 2019 21:57:02 +0100] rev 69930
more robust reference to ghc exe (with multi-platform support);
wenzelm [Wed, 20 Mar 2019 21:54:08 +0100] rev 69929
more robust: allow empty root (e.g. via symlink);
wenzelm [Wed, 20 Mar 2019 21:15:20 +0100] rev 69928
avoid prompt;
wenzelm [Wed, 20 Mar 2019 20:33:40 +0100] rev 69927
updated settings: ISABELLE_OCAMLFIND, ISABELLE_OCAML_SETUP, but retain compatibility with historic versions that require ISABELLE_OCAMLC;