From 5ae9661dca352f16576860dad7eaaad45290312c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Fri, 30 Nov 2018 18:57:21 +0100
Subject: Fix Dialyzer when a project has and uses parse transforms

---
 plugins/dialyzer.mk     |  4 +++-
 test/core_app.mk        |  3 ---
 test/plugin_dialyzer.mk | 23 +++++++++++++++++++++++
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/plugins/dialyzer.mk b/plugins/dialyzer.mk
index 3978bc8..4c2c81d 100644
--- a/plugins/dialyzer.mk
+++ b/plugins/dialyzer.mk
@@ -58,4 +58,6 @@ dialyze:
 else
 dialyze: $(DIALYZER_PLT)
 endif
-	$(verbose) dialyzer --no_native `$(ERL) -eval "$(subst $(newline),,$(call escape_dquotes,$(call filter_opts.erl)))" -extra $(ERLC_OPTS)` $(DIALYZER_DIRS) $(DIALYZER_OPTS)
+	$(verbose) dialyzer --no_native `$(ERL) \
+		-eval "$(subst $(newline),,$(call escape_dquotes,$(call filter_opts.erl)))" \
+		-extra $(ERLC_OPTS)` $(DIALYZER_DIRS) $(DIALYZER_OPTS) $(if $(wildcard ebin/),-pa ebin/)
diff --git a/test/core_app.mk b/test/core_app.mk
index 953603b..4c32178 100644
--- a/test/core_app.mk
+++ b/test/core_app.mk
@@ -1198,9 +1198,6 @@ core-app-pt: build clean
 		"-module(my_user)." \
 		"-compile({parse_transform, my_pt})." > $(APP)/src/my_user.erl
 
-	$i "Compile my_pt first"
-	$t echo "COMPILE_FIRST += my_pt" >> $(APP)/Makefile
-
 	$i "Build the application; confirm the parse_transform is used"
 	$t $(MAKE) -C $(APP) | grep "Running my_pt parse_transform."
 
diff --git a/test/plugin_dialyzer.mk b/test/plugin_dialyzer.mk
index 60dce34..c0229eb 100644
--- a/test/plugin_dialyzer.mk
+++ b/test/plugin_dialyzer.mk
@@ -303,3 +303,26 @@ dialyzer-plt-swallow-warnings: build clean
 
 	$i "Create the PLT file"
 	$t $(DIALYZER_MUTEX) $(MAKE) -C $(APP) plt $v
+
+dialyzer-pt: build clean
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate a parse_transform module"
+	$t printf "%s\n" \
+		"-module(my_pt)." \
+		"-export([parse_transform/2])." \
+		"parse_transform(Forms, _) ->" \
+		"	io:format(\"# Running my_pt parse_transform.~n\")," \
+		"	Forms." > $(APP)/src/my_pt.erl
+
+	$i "Generate a .erl file that uses the my_pt parse_transform"
+	$t printf "%s\n" \
+		"-module(my_user)." \
+		"-compile({parse_transform, my_pt})." > $(APP)/src/my_user.erl
+
+	$i "Run Dialyzer"
+	$t $(DIALYZER_MUTEX) $(MAKE) -C $(APP) dialyze $v
-- 
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