More debug.

Author: cristianoc

azure-pipelines.yml

@@ -139,6 +139,8 @@ jobs:
       #   displayName: "ls -lR $OCAMLBIN/.."
 
       - bash: |
+          echo "PATH"
+          echo $PATH
           echo "ocamlopt -version"
           ocamlopt -version
           echo "looking for x86_64-w64-mingw32-as"

scripts/prebuilt.js

@@ -34,7 +34,7 @@ function buildCompiler() {
   var prebuilt = "prebuilt.ninja";
   var content = require("./ninjaFactory.js").libNinja({
     ocamlopt: is_windows
-      ? `esy b ocamlopt.opt`
+      ? `esy b ocamlopt.opt -verbose`
       : `../native/${ocamlVersion}/bin/ocamlopt.opt`,
     ext: sys_extension,
     INCL: ocamlVersion,