From 99ed25accfd968003d3b0d294720828a1348ce47 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 18 Dec 2013 15:01:14 +0100
Subject: [PATCH] Add a function for doing recursive wildcard searches

Source: http://blog.jgc.org/2011/07/gnu-make-recursive-wildcard-function.html
---
 mk/lib.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mk/lib.mk b/mk/lib.mk
index cec4eee1fd..1d2f051628 100644
--- a/mk/lib.mk
+++ b/mk/lib.mk
@@ -40,6 +40,11 @@ ifeq ($(BUILD_DEBUG), 1)
 endif
 
 
+# Utility function for recursively finding files, e.g.
+# ‘$(call rwildcard, path/to/dir, *.c *.h)’.
+rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
+
+
 include mk/clean.mk
 include mk/dist.mk
 include mk/install.mk