bitbake.conf: Don't export 'LIBC' to the environment

perl makes use of this variable and it doesn't match how we use it.
Since it doesn't need to be exposed like this, don't.

No acks, but "sounds good" to Koen and "don't see why not" from Roman

Signed-off-by: Tom Rini <tom_rini@mentor.com>

diff --git a/conf/bitbake.conf b/conf/bitbake.conf
index 8ddba15..21f201e 100644 (file)
--- a/conf/bitbake.conf
+++ b/conf/bitbake.conf
@@ -798,3 +798,6 @@ TARGET_ARCH[unexport] = "1"
 # (breaks sysvinit at least)
 DISTRO[unexport] = "1"
 
+# Make sure that LIBC isn't exported
+# (breaks perl at least)
+LIBC[unexport] = "1"