Use install.js when building for release

Author: ulrikstrid

esy.json

@@ -12,7 +12,7 @@
   },
   "esy": {
     "buildsInSource": true,
-    "build": [
+    "buildDev": [
       "echo 'config'",
       ["node", "./scripts/ninja.js", "config", "-env"],
       "echo 'build'",
@@ -26,6 +26,10 @@
       ["cp", "-r", "-f", "#{self.root / 'scripts'}", "#{self.install}"],
       ["cp", "-r", "-f", "#{self.root / 'vendor'}", "#{self.install}"]
     ],
+    "build": [["node", "./scripts/install.js"]],
+    "buildEnv": {
+      "ESY": "true"
+    },
     "exportedEnv": {
       "OCAMLLIB": {
         "val": "#{self.lib / 'ocaml' }",

scripts/buildocaml.js

@@ -4,7 +4,10 @@ var cp = require("child_process");
 var path = require("path");
 var fs = require("fs");
 
-var ocamlSrcDir = path.join(__dirname, "..", "ocaml");
+var ocamlSrcDir =
+  process.env.ESY === "true"
+    ? process.env.OCAMLLIB
+    : path.join(__dirname, "..", "ocaml");
 var ocamlVersionFilePath = path.join(ocamlSrcDir, "VERSION");
 
 /**

scripts/install.js

@@ -310,14 +310,17 @@ function provideCompiler() {
     return myVersion;
   } else {
     myVersion = require("./buildocaml.js").getVersionPrefix();
-    var ocamlopt = path.join(
-      __dirname,
-      "..",
-      "native",
-      myVersion,
-      "bin",
-      "ocamlopt.opt"
-    );
+    var ocamlopt =
+      process.env.ESY === "true"
+        ? "ocamlopt.opt"
+        : path.join(
+            __dirname,
+            "..",
+            "native",
+            myVersion,
+            "bin",
+            "ocamlopt.opt"
+          );
     if (!fs.existsSync(ocamlopt)) {
       require("./buildocaml.js").build(true);
     } else {