From 4e45eb1093c734b81410ffec58edfe7cbba6a6ba Mon Sep 17 00:00:00 2001
From: Ray Donnelly <mingw.android@gmail.com>
Date: Wed, 10 Jul 2013 12:40:21 +0100
Subject: Allow reordered MAKEFLAGS

-R and -r (-Rr) can be reordered to -r and -R (-rR).
This happens with MSYS1/2 gnu-make and mingw32-make,
and triggers "Recursion detected, bailing out..."

Signed-off-by: Ray Donnelly <mingw.android@gmail.com>
Message-Id: <CAOYw7dsdsg-XaDOwwEWJeUUSo2Vu_UD5GtkSgNTu59ai7yx0cQ@mail.gmail.com>
Patchwork-Id: 258027

diff --git a/Makefile.in b/Makefile.in
index 29aff1c..09bbf7c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -24,9 +24,14 @@ endif
 # Note: dual test, because if -R and -r are given on the command line
 # (who knows?), MAKEFLAGS contains 'Rr' instead of '-Rr', while adding
 # '-Rr' to MAKEFLAGS adds it literaly ( and does not add 'Rr' )
+# Further: quad test because the flags 'rR' and '-rR' can be reordered.
 ifeq ($(filter Rr,$(MAKEFLAGS)),)
 ifeq ($(filter -Rr,$(MAKEFLAGS)),)
+ifeq ($(filter rR,$(MAKEFLAGS)),)
+ifeq ($(filter -rR,$(MAKEFLAGS)),)
 CT_MAKEFLAGS += -Rr
+endif # No -rR
+endif # No rR
 endif # No -Rr
 endif # No Rr
 
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