From a1faaf7f2a5ecf9a5b55e9dac86abdc0282d57ab Mon Sep 17 00:00:00 2001
From: Dominic Letz <dominic@diode.io>
Date: Fri, 9 Oct 2020 18:35:11 +0200
Subject: [PATCH] Fix windows compilation issue with spaces

When erlang is in a folder with space in it "C:/Program Files/erlang/...." it will fail without the quotes.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 61cbdd5..4cda4b3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 MIX = mix
 
 ERLANG_PATH = $(shell erl -eval 'io:format("~s", [lists:concat([code:root_dir(), "/erts-", erlang:system_info(version), "/include"])])' -s init stop -noshell)
-CFLAGS += -I$(ERLANG_PATH)
+CFLAGS += -I"$(ERLANG_PATH)"
 CFLAGS += -I c_src/secp256k1 -I c_src/secp256k1/src -I c_src/secp256k1/include
 
 ifeq ($(wildcard deps/libsecp256k1),)