From 337e67cf191963f70006e0ccda90cea2394dbcca Mon Sep 17 00:00:00 2001
From: Tom Rini <tom_rini@mentor.com>
Date: Tue, 20 Jul 2010 11:50:09 -0700
Subject: [PATCH] bitbake.conf, local.conf.sample: Disable ccache by default

This moves the current CCACHE over to local.conf.sample and documents
when it's useful to enable.

Signed-off-by: Tom Rini <tom_rini@mentor.com>
---
 conf/bitbake.conf      | 2 +-
 conf/local.conf.sample | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/conf/bitbake.conf b/conf/bitbake.conf
index 01192948f7..69d00e2194 100644
--- a/conf/bitbake.conf
+++ b/conf/bitbake.conf
@@ -420,7 +420,7 @@ export PATH
 # Build utility info.
 ##################################################################
 
-CCACHE = "${@bb.which(bb.data.getVar('PATH', d, 1), 'ccache') and 'ccache '}"
+CCACHE ?= ""
 TOOLCHAIN_OPTIONS = ""
 TOOLCHAIN_PATH ?= "${CROSS_DIR}"
 TOOLCHAIN_SYSPATH ?= "${TOOLCHAIN_PATH}/${TARGET_SYS}"
diff --git a/conf/local.conf.sample b/conf/local.conf.sample
index 6f2fea6ef1..60c10e4219 100644
--- a/conf/local.conf.sample
+++ b/conf/local.conf.sample
@@ -123,6 +123,11 @@ IMAGE_FSTYPES = "jffs2 tar"
 # (Note that this rootfs is NOT usuable as NFS export.)
 # IMAGE_KEEPROOTFS = "1"
 
+# Uncomment this to enable the use of ccache when building.  Due to
+# the nature of our builds this is only helpful in cases when one
+# is rebuilding a recipe or set of recipes, repeatedly.
+# CCACHE = "${@bb.which(bb.data.getVar('PATH', d, 1), 'ccache') and 'ccache '}"
+
 # Uncomment this to disable the parse cache (not recommended).
 # CACHE = ""
 
-- 
2.39.5