feat: support ocaml 2.1.5

rce/packages/ocaml/config.toml

@@ -0,0 +1,20 @@
+language = "OCaml"
+version = "2.1.5"
+compiled = true
+extension = "ml"
+# opam env --switch=default
+environment = [
+  "PATH=/opt/ocaml/2.1.5/default/bin",
+  "MANPATH=/opt/ocaml/2.1.5/default/man",
+  "OCAML_TOPLEVEL_PATH=/opt/ocaml/2.1.5/default/lib/toplevel",
+  "CAML_LD_LIBRARY_PATH=/opt/ocaml/2.1.5/default/lib/stublibs:/opt/ocaml/2.1.5/default/lib/ocaml/stublibs:/opt/ocaml/2.1.5/default/lib/ocaml",
+  "OPAM_SWITCH_PREFIX=/opt/ocaml/2.1.5/default",
+]
+build_command = [ "ocamlc", "-o", "code", "{file}" ]
+run_command = [ "./code" ]
+test_file = "test.ml"
+aliases = [ "ocaml", "oc", "ml" ]
+should_limit_memory = false
+memory_limit = 0
+process_limit = 4096
+allowed_entrypoints = -1

rce/packages/ocaml/install.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+set -e
+
+VERSION="2.1.5"
+export OPAMROOT=/opt/ocaml/${VERSION}
+
+mkdir -p /opt/ocaml/${VERSION}
+cd /opt/ocaml/${VERSION}
+echo "PWD: $PWD"
+
+echo "Bootstrapping opam"
+
+curl -L -o install-core.sh https://raw.githubusercontent.com/ocaml/opam/master/shell/install.sh
+bash ./install-core.sh --version ${VERSION} <<EOF
+/opt/ocaml/${VERSION}
+
+EOF
+
+echo "Initializing opam"
+
+/opt/ocaml/${VERSION}/opam init <<EOF
+Y
+
+EOF
+
+rm install-core.sh

rce/packages/ocaml/test.ml

@@ -0,0 +1 @@
+print_string "Hello world!\n"