Makefile: fix MAKEFLAGS tests with multiple flags
findstring is defined as $(findstring FIND,IN) so if multiple flags are
set these tests do the wrong thing unless $(MAKEFLAGS) is the second
argument.
Signed-off-by: John Keeping <john@keeping.me.uk>
diff --git a/Makefile b/Makefile
index 138fe5b..77b9f60 100644
--- a/Makefile
+++ b/Makefile
@@ -48,7 +48,7 @@
QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir
QUIET_SUBDIR1 =
-ifneq ($(findstring $(MAKEFLAGS),w),w)
+ifneq ($(findstring w,$(MAKEFLAGS)),w)
PRINT_DIR = --no-print-directory
else # "make -w"
NO_SUBDIR = :