From 6dc42270b83fef1f2f975d2dc2d9fce3433347c0 Mon Sep 17 00:00:00 2001
From: Richard Carlsson <richardc@klarna.com>
Date: Thu, 8 Mar 2012 07:50:06 +0100
Subject: Fix the erlc -MP flag

Because of a copy-and-paste error in erlc.c, the -MP flag had the same
effect as -MG. As a workaround, you had to pass +makedep_phony to enable
the MP option. This patch makes -MP work as intended.
---
 lib/compiler/test/compile_SUITE.erl                  | 6 ++++++
 lib/compiler/test/compile_SUITE_data/simple-phony.mk | 3 +++
 2 files changed, 9 insertions(+)
 create mode 100644 lib/compiler/test/compile_SUITE_data/simple-phony.mk

(limited to 'lib/compiler')

diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 512fa0e4ac..9de36028cd 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -211,6 +211,12 @@ makedep(Config) when is_list(Config) ->
       [makedep,{makedep_output,Target}|IncludeOptions]),
     ?line {ok,Mf6} = file:read_file(Target),
     ?line BasicMf2 = makedep_canonicalize_result(Mf6, DataDir),
+    %% Rule with creating phony target.
+    ?line PhonyMfName = SimpleRootname ++ "-phony.mk",
+    ?line {ok,PhonyMf} = file:read_file(PhonyMfName),
+    ?line {ok,_,Mf7} = compile:file(Simple,
+      [binary,makedep,makedep_phony|IncludeOptions]),
+    ?line PhonyMf = makedep_canonicalize_result(Mf7, DataDir),
 
     ?line ok = file:delete(Target),
     ?line ok = file:del_dir(filename:dirname(Target)),
diff --git a/lib/compiler/test/compile_SUITE_data/simple-phony.mk b/lib/compiler/test/compile_SUITE_data/simple-phony.mk
new file mode 100644
index 0000000000..c84bcedd2a
--- /dev/null
+++ b/lib/compiler/test/compile_SUITE_data/simple-phony.mk
@@ -0,0 +1,3 @@
+simple.beam: $(srcdir)/simple.erl $(srcdir)/include/simple.hrl
+
+$(srcdir)/include/simple.hrl:
-- 
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