Require Erlang 18.0 forward

1 files changed, 4 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index 418401691..e5e119551 100644
--- a/Makefile
+++ b/Makefile
@@ -17,13 +17,11 @@ INSTALL_PROGRAM = $(INSTALL) -m755
 
 #==> Functions
 
-# This check should work for older versions like R16B
-# as well as new verions like 17.1 and 18
 define CHECK_ERLANG_RELEASE
-	$(Q) erl -noshell -eval 'io:fwrite("~s", [erlang:system_info(otp_release)])' -s erlang halt | grep -q '^1[789]'; \
-		if [ $$? != 0 ]; then                                                                                        \
-		   echo "At least Erlang 17.0 is required to build Elixir";                                                  \
-		   exit 1;                                                                                                   \
+	$(Q) erl -noshell -eval 'io:fwrite("~s", [erlang:system_info(otp_release) >= "18"])' -s erlang halt | grep -q '^true'; \
+		if [ $$? != 0 ]; then                                                                                                \
+		   echo "At least Erlang 18.0 is required to build Elixir";                                                          \
+		   exit 1;                                                                                                           \
 		fi;
 endef