base-files: Don't export TZ if /etc/TZ exists

While glibc/eglibc looks for the time zone in /etc/localtime, other libc
alternatives (e.g. uclibc) may look for it in /etc/TZ.  If /etc/TZ
exists, don't fall back to setting TZ to "UTC" in /etc/profile.

(From OE-Core rev: a69c3ba99be1502c50d3d1eb9ff66f135884ed76)

Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/recipes-core/base-files/base-files/profile b/meta/recipes-core/base-files/base-files/profile
index 8eeaac3693..0b2d9d79e5 100644
--- a/meta/recipes-core/base-files/base-files/profile
+++ b/meta/recipes-core/base-files/base-files/profile
@@ -5,7 +5,7 @@ PATH="/usr/local/bin:/usr/bin:/bin"
 EDITOR="/bin/vi"                        # needed for packages like cron
 test -z "$TERM" && TERM="vt100" # Basic terminal capab. For screen etc.
 
-if [ ! -e /etc/localtime ]; then
+if [ ! -e /etc/localtime -a ! -e /etc/TZ ]; then
         TZ="UTC"                # Time Zone. Look at http://theory.uwinnipeg.ca/gnu/glibc/libc_303.html 
                                 # for an explanation of how to set this to your local timezone.
         export TZ