From 32d8036ebe257e16f532d5d36237b389c46030da Mon Sep 17 00:00:00 2001
From: Josh Berdine <jjb@fb.com>
Date: Wed, 28 Sep 2016 03:03:44 -0700
Subject: [PATCH] Unbreak build when no system ocaml installed

Summary:
If ocaml is not installed (or if homebrew has sandboxed it out), `opam
init` fails unless passed `--compiler`.

Reviewed By: sblackshear, jvillard

Differential Revision: D3927532

fbshipit-source-id: d2fbec9
---
 build-infer.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build-infer.sh b/build-infer.sh
index ffeb344bd..d4bea4706 100755
--- a/build-infer.sh
+++ b/build-infer.sh
@@ -98,10 +98,10 @@ check_installed () {
 setup_opam () {
     OCAML_VERSION="4.02.3"
 
-    opam init -j $NCPU --no-setup --yes
+    opam init --compiler=$OCAML_VERSION -j $NCPU --no-setup --yes
 
     OPAMSWITCH=infer-$OCAML_VERSION
-    opam switch install -j $NCPU $OPAMSWITCH --alias-of $OCAML_VERSION || true
+    opam switch set -j $NCPU $OPAMSWITCH --alias-of $OCAML_VERSION
 }
 
 add_opam_git_pin () {