Update Erlang.mk

Author: essen

erlang.mk

@@ -17,7 +17,7 @@
 ERLANG_MK_FILENAME := $(realpath $(lastword $(MAKEFILE_LIST)))
 export ERLANG_MK_FILENAME
 
-ERLANG_MK_VERSION = e13b4c7
+ERLANG_MK_VERSION = 2022.05.31-142-gba4dcff-dirty
 ERLANG_MK_WITHOUT = 
 
 # Make 3.81 and 3.82 are deprecated.
@@ -559,6 +559,14 @@ export ERL_LIBS
 
 export NO_AUTOPATCH
 
+# Elixir.
+
+# Elixir is automatically enabled in all cases except when
+# an Erlang project uses an Elixir dependency. In that case
+# $(ELIXIR) must be set explicitly.
+ELIXIR ?= $(if $(filter elixir,$(BUILD_DEPS) $(DEPS)),dep,$(if $(EX_FILES),system,disable))
+export ELIXIR
+
 # Verbosity.
 
 dep_verbose_0 = @echo " DEP    $1 ($(call query_version,$1))";
@@ -940,10 +948,11 @@ define dep_autopatch_rebar.erl
 				Write(io_lib:format("COMPILE_FIRST +=~s\n", [Names]))
 		end
 	end(),
-	Write("\n\nrebar_dep: preprocess pre-deps deps pre-app app\n"),
+	Write("\n\nrebar_dep: preprocess pre-deps deps pre-app app post-app\n"),
 	Write("\npreprocess::\n"),
 	Write("\npre-deps::\n"),
 	Write("\npre-app::\n"),
+	Write("\npost-app::\n"),
 	PatchHook = fun(Cmd) ->
 		Cmd2 = re:replace(Cmd, "^([g]?make)(.*)( -C.*)", "\\\\1\\\\3\\\\2", [{return, list}]),
 		case Cmd2 of
@@ -974,6 +983,24 @@ define dep_autopatch_rebar.erl
 				end || H <- Hooks]
 		end
 	end(),
+	fun() ->
+		case lists:keyfind(post_hooks, 1, Conf) of
+			false -> ok;
+			{_, Hooks} ->
+				[case H of
+					{compile, Cmd} ->
+						Write("\npost-app::\n\tCC=$$\(CC) " ++ PatchHook(Cmd) ++ "\n");
+					{{pc, compile}, Cmd} ->
+						Write("\npost-app::\n\tCC=$$\(CC) " ++ PatchHook(Cmd) ++ "\n");
+					{Regex, compile, Cmd} ->
+						case rebar_utils:is_arch(Regex) of
+							true -> Write("\npost-app::\n\tCC=$$\(CC) " ++ PatchHook(Cmd) ++ "\n");
+							false -> ok
+						end;
+					_ -> ok
+				end || H <- Hooks]
+		end
+	end(),
 	ShellToMk = fun(V0) ->
 		V1 = re:replace(V0, "[$$][(]", "$$\(shell ", [global]),
 		V = re:replace(V1, "([$$])(?![(])(\\\\w*)", "\\\\1(\\\\2)", [global]),
@@ -1691,6 +1718,12 @@ endef
 
 ifeq ($(if $(NO_MAKEDEP),$(wildcard $(PROJECT).d),),)
 $(PROJECT).d:: $(ERL_FILES) $(EX_FILES) $(call core_find,include/,*.hrl) $(MAKEFILE_LIST)
+# Rebuild everything when the .d file does not exist.
+# We touch $@ to make sure the command doesn't fail in empty projects.
+# The file will be generated with content immediately after.
+	$(verbose) if ! test -e $@; then \
+		touch $@ $(ERL_FILES) $(CORE_FILES) $(ASN1_FILES) $(MIB_FILES) $(XRL_FILES) $(YRL_FILES); \
+	fi
 	$(makedep_verbose) $(call erlang,$(call makedep.erl,$@))
 endif
 
@@ -1778,12 +1811,6 @@ endif
 # Copyright (c) 2024, Loïc Hoguin <essen@ninenines.eu>
 # This file is part of erlang.mk and subject to the terms of the ISC License.
 
-# Elixir is automatically enabled in all cases except when
-# an Erlang project uses an Elixir dependency. In that case
-# $(ELIXIR) must be set explicitly.
-ELIXIR ?= $(if $(filter elixir,$(BUILD_DEPS) $(DEPS)),dep,$(if $(EX_FILES),system,disable))
-export ELIXIR
-
 ifeq ($(ELIXIR),system)
 # We expect 'elixir' to be on the path.
 ELIXIR_BIN ?= $(shell readlink -f `which elixir`)
@@ -1952,7 +1979,8 @@ define dep_autopatch_mix.erl
 endef
 
 define dep_autopatch_mix
-	sed 's|\(defmodule.*do\)|\1\n  try do\n    Code.compiler_options(on_undefined_variable: :warn)\n    rescue _ -> :ok\n  end\n|g' -i $(DEPS_DIR)/$(1)/mix.exs; \
+	sed 's|\(defmodule.*do\)|\1\n  try do\n    Code.compiler_options(on_undefined_variable: :warn)\n    rescue _ -> :ok\n  end\n|g' $(DEPS_DIR)/$(1)/mix.exs > $(DEPS_DIR)/$(1)/mix.exs.new; \
+	mv $(DEPS_DIR)/$(1)/mix.exs.new $(DEPS_DIR)/$(1)/mix.exs; \
 	$(MAKE) $(DEPS_DIR)/hex_core/ebin/dep_built; \
 	MIX_ENV="$(if $(MIX_ENV),$(strip $(MIX_ENV)),prod)" \
 		$(call erlang,$(call dep_autopatch_mix.erl,$1))
@@ -1964,6 +1992,7 @@ endef
 define compile_ex.erl
 	{ok, _} = application:ensure_all_started(elixir),
 	{ok, _} = application:ensure_all_started(mix),
+	$(foreach dep,$(LOCAL_DEPS),_ = application:load($(dep)),)
 	ModCode = list_to_atom("Elixir.Code"),
 	ModCode:put_compiler_option(ignore_module_conflict, true),
 	ModComp = list_to_atom("Elixir.Kernel.ParallelCompiler"),