Require Erlang/OTP 22+

Author: josevalim

.cirrus.yml

@@ -12,20 +12,21 @@ test_template: &DEFAULT_TEST_SETTINGS
 test_freebsd_task:
   <<: *DEFAULT_TEST_SETTINGS
 
-  name: FreeBSD 12.2
+  name: FreeBSD 13.0
   alias: FreeBSD Stable
 
   freebsd_instance:
-    image_family: freebsd-12-2
+    image_family: freebsd-13-0
     cpu: 8
     memory: 7424Mi
 
   env:
     CHECK_REPRODUCIBLE: true
     LC_ALL: en_US.UTF-8
+    PATH: $PATH:/usr/local/lib/erlang22/bin
 
   install_script:
-    - pkg install -y erlang git gmake
+    - pkg install -y erlang-runtime22 git gmake
     - rm -rf .git
     - gmake compile
 

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp_release: ['OTP-23.0', 'OTP-22.3', 'OTP-22.0', 'OTP-21.3.8', 'OTP-21.0']
+        otp_release: ['OTP-23.3', 'OTP-23.0', 'OTP-22.3', 'OTP-22.0']
         development: [false]
         include:
           - otp_release: master

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 Elixir v1.12 is out with improvements to scripting, tighter Erlang/OTP 24 integration, stepped ranges, and dozen of new functions across the standard library. Overall this is a small release, which continues our tradition of bringing Elixir developers quality of life improvements every 6 months.
 
-This is the last release to support Erlang/OTP 21.
+Elixir v1.12 requires Erlang/OTP 22+.
 
 ## Scripting improvements: `Mix.install/2` and `System.trap_signal/3`
 

Makefile

@@ -28,9 +28,9 @@ SOURCE_DATE_EPOCH_FILE = $(SOURCE_DATE_EPOCH_PATH)/SOURCE_DATE_EPOCH
 #==> Functions
 
 define CHECK_ERLANG_RELEASE
-	erl -noshell -eval '{V,_} = string:to_integer(erlang:system_info(otp_release)), io:fwrite("~s", [is_integer(V) and (V >= 21)])' -s erlang halt | grep -q '^true'; \
+	erl -noshell -eval '{V,_} = string:to_integer(erlang:system_info(otp_release)), io:fwrite("~s", [is_integer(V) and (V >= 22)])' -s erlang halt | grep -q '^true'; \
 		if [ $$? != 0 ]; then \
-		  echo "At least Erlang/OTP 21.0 is required to build Elixir"; \
+		  echo "At least Erlang/OTP 22.0 is required to build Elixir"; \
 		  exit 1; \
 		fi
 endef

lib/elixir/pages/compatibility-and-deprecations.md

@@ -43,8 +43,8 @@ Erlang/OTP versioning is independent from the versioning of Elixir. Each version
 
 Elixir version | Supported Erlang/OTP versions
 :------------- | :-------------------------------
-1.12           | 21 - 24
-1.11           | 21 - 23
+1.12           | 22 - 24
+1.11           | 21 - 23 (and Erlang/OTP 24 from v1.11.4)
 1.10           | 21 - 22 (and Erlang/OTP 23 from v1.10.3)
 1.9            | 20 - 22
 1.8            | 20 - 22

lib/elixir/src/elixir.erl

@@ -111,10 +111,10 @@ preload_common_modules() ->
 parse_otp_release() ->
   %% Whenever we change this check, we should also change Makefile.
   case string:to_integer(erlang:system_info(otp_release)) of
-    {Num, _} when Num >= 21 ->
+    {Num, _} when Num >= 22 ->
       Num;
     _ ->
-      io:format(standard_error, "ERROR! Unsupported Erlang/OTP version, expected Erlang/OTP 21+~n", []),
+      io:format(standard_error, "ERROR! Unsupported Erlang/OTP version, expected Erlang/OTP 22+~n", []),
       erlang:halt(1)
   end.