[PATCH 1 of 1] Allow reordered MAKEFLAGS

[Ray Donnelly <mingw dot android at gmail dot com>]

# HG changeset patch
# User Ray Donnelly <mingw.android@gmail.com>
# Date 1373456421 -3600
#      Wed Jul 10 12:40:21 2013 +0100
# Node ID 4972bd801ee6942dd1a27d4ffdd06f15482a7c45
# Parent  2685dfa9de14fbe356ba76cb201bf5c039cf6860
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>

diff -r 2685dfa9de14 -r 4972bd801ee6 Makefile.in
--- a/Makefile.in Thu May 23 17:51:15 2013 +0200
+++ b/Makefile.in Wed Jul 10 12:40:21 2013 +0100
@@ -24,9 +24,14 @@
 # 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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