From 99de8509dad80e44d2e78a2e5c38ad8ce40b9c65 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 4 Oct 2018 11:32:27 +0200
Subject: [PATCH] Fix autoconf Erlang version check

Prevent the $- variable to be expanded in shell.

Fixes #216
---
 src/m4/ax_erlang_otp_version.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/m4/ax_erlang_otp_version.m4 b/src/m4/ax_erlang_otp_version.m4
index 94923837..e6b38873 100644
--- a/src/m4/ax_erlang_otp_version.m4
+++ b/m4/ax_erlang_otp_version.m4
@@ -168,7 +168,7 @@ AC_DEFUN([AX_ERLANG_REQUIRE_OTP_VER],
                         true ->
                             %% Remove -1 from R16B03-1
                             list_to_integer(lists:takewhile(fun(C) ->
-                                C /= $-
+                                C /= \$-
                             end, MinorT))
                     end,
                     if
-- 
2.19.0