[oe-commits] [openembedded-core] 13/15: bitbake.conf: Set and export TZ envvar to UTC

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rpurdie pushed a commit to branch master
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commit e31f31f81efe4b60938b724bece2a03c7c74a68d
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Fri Apr 13 17:08:10 2018 +0100

    bitbake.conf: Set and export TZ envvar to UTC
    
    We just ran into an issue where tar failed to build on one server setup
    but built everywhere else just fine.
    
    It was running makeinfo to regenerate some docs files and makeinfo was too
    old for the host it was running on. There was no dependency on makeinfo-native
    as it was not meant to be regenerating the docs.
    
    It was being regenerated as a date from a timestamp used in the docs
    was different in Asian timezones than in the other timezones our builds
    were being tested in.
    
    I added an entry to https://wiki.yoctoproject.org/wiki/TipsAndTricks/
    about how this was debugged.
    
    As such, lets default to setting and exporting TZ to 'UTC' as was already
    pioneered by the reproducibile builds work. This makes the builds
    deterministic.
    
    [YOCTO #12665]
    
    (From OE-Core rev: 2a90ae7a3286724ff9e3615c4dbf56038f703810)
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/reproducible_build_simple.bbclass | 1 -
 meta/conf/bitbake.conf                         | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/reproducible_build_simple.bbclass b/meta/classes/reproducible_build_simple.bbclass
index dd11cd9..8a60dee 100644
--- a/meta/classes/reproducible_build_simple.bbclass
+++ b/meta/classes/reproducible_build_simple.bbclass
@@ -4,7 +4,6 @@ BUILD_REPRODUCIBLE_BINARIES = "1"
 
 export PYTHONHASHSEED = "0"
 export PERL_HASH_SEED = "0"
-export TZ = 'UTC'
 export SOURCE_DATE_EPOCH ??= "1520598896"
 
 REPRODUCIBLE_TIMESTAMP_ROOTFS ??= "1520598896"
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 60590e2..ec3207c 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -539,6 +539,7 @@ export MAKE = "make"
 EXTRA_OEMAKE = ""
 EXTRA_OECONF = ""
 export LC_ALL = "en_US.UTF-8"
+export TZ = 'UTC'
 
 ##################################################################
 # Patch handling.

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