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-rw-r--r--meta/conf/bitbake.conf8
1 files changed, 4 insertions, 4 deletions
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 942b8b1bf7..a72d2f6054 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -450,10 +450,10 @@ CCACHE ??= ""
# Disable ccache explicitly if CCACHE is null since gcc may be a symlink
# of ccache some distributions (e.g., Fedora 17).
export CCACHE_DISABLE ??= "${@[0,1][d.getVar('CCACHE', True) == '']}"
-# Assign CCACHE_DIR a default value to fix a bug of ccache 3.1.7,
-# since it would always create CCACHE_DIR/.ccache even if
-# CCACHE_DISABLE = 1.
-export CCACHE_DIR ??= "${@os.getenv('HOME')}"
+# ccache < 3.1.10 will create CCACHE_DIR on startup even if disabled, and
+# autogen sets HOME=/dev/null so in certain situations builds can fail.
+# Explicitly export CCACHE_DIR until we can assume ccache >3.1.10 on the host.
+export CCACHE_DIR ??= "${@os.getenv('HOME')}/.ccache"
TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_TARGET}"