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-rw-r--r--meta/conf/bitbake.conf4
1 files changed, 2 insertions, 2 deletions
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 0e939aca4f..2a3cf6f8aa 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -386,8 +386,8 @@ FILESYSTEM_PERMS_TABLES ?= "${@'files/fs-perms.txt' if oe.types.boolean(d.getVar
# General work and output directories for the build system.
##################################################################
-TCMODE ?= "default"
-TCLIBC ?= "glibc"
+TCMODE ??= "default"
+TCLIBC ??= "glibc"
TMPDIR ?= "${TOPDIR}/tmp"
CACHE = "${TMPDIR}/cache/${TCMODE}-${TCLIBC}${@['', '/' + str(d.getVar('MACHINE'))][bool(d.getVar('MACHINE'))]}${@['', '/' + str(d.getVar('SDKMACHINE'))][bool(d.getVar('SDKMACHINE'))]}"