From b36e0c66581b5ec0e3aff5212857e9694115e66c Mon Sep 17 00:00:00 2001
From: Joel Challis <git@zvecr.com>
Date: Thu, 21 Oct 2021 14:39:13 +0100
Subject: Move USE_CCACHE logic to common location (#14899)

---
 tmk_core/rules.mk | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'tmk_core/rules.mk')

diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index 5a629d1eb0..4c547cfd24 100644
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -69,8 +69,11 @@ CSTANDARD = -std=gnu99
 #CXXDEFS += -D__STDC_CONSTANT_MACROS
 #CXXDEFS +=
 
-
-
+# Speed up recompilations by opt-in usage of ccache
+USE_CCACHE ?= yes
+ifneq ($(USE_CCACHE),no)
+    CC_PREFIX ?= ccache
+endif
 
 #---------------- Compiler Options C ----------------
 #  -g*:          generate debugging information
-- 
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