[Buildroot] [PATCH 1/1] ccache: expose control interface via 'make ccache-options'

[Tzu-Jung Lee]

usage:
	# set cache limit size
	make CCACHE_OPTIONS="--max-size=5G" ccache-options

	# zero statistics counters
	make CCACHE_OPTIONS="--zero-stats" ccache-options

Change-Id: I0162a2612a9aa4afd49f6d93c9c36dce3e0c8228
---
 package/ccache/ccache.mk |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/package/ccache/ccache.mk b/package/ccache/ccache.mk
index d7106ee..d46fbb9 100644
--- a/package/ccache/ccache.mk
+++ b/package/ccache/ccache.mk
@@ -50,3 +50,7 @@ ccache-stats: host-ccache
 	$(Q)$(CCACHE) -s
 endif
 
+ifeq ($(BR2_CCACHE),y)
+ccache-options: host-ccache
+	$(Q)$(CCACHE) $(CCACHE_OPTIONS)
+endif
-- 
1.7.8.6