libjpeg-turbo: fix timezone of reproducible build timestamp

Avoids producing different build results in different timezones.
Uses UTC with SOURCE_DATE_EPOCH.

Signed-off-by: Christopher Clark <christopher.clark6@baesystems.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-graphics/jpeg/libjpeg-turbo_1.5.3.bb b/meta/recipes-graphics/jpeg/libjpeg-turbo_1.5.3.bb
index 15353b5b5d402c3f2184db409639d1e8bcfaccb0..6be6aa572c2c877d87d55fb7ef650d4faaea0c15 100644 (file)
--- a/meta/recipes-graphics/jpeg/libjpeg-turbo_1.5.3.bb
+++ b/meta/recipes-graphics/jpeg/libjpeg-turbo_1.5.3.bb
@@ -46,7 +46,7 @@ DEBUG_OPTIMIZATION_append_armv5 = " ${@bb.utils.contains('TUNE_CCARGS', '-mthumb
 def get_build_time(d):
     if d.getVar('SOURCE_DATE_EPOCH') != None:
         import datetime
-        return " --with-build-date="+ datetime.datetime.fromtimestamp(float(d.getVar('SOURCE_DATE_EPOCH'))).strftime("%Y%m%d")
+        return " --with-build-date="+ datetime.datetime.utcfromtimestamp(float(d.getVar('SOURCE_DATE_EPOCH'))).strftime("%Y%m%d")
     return ""
 
 EXTRA_OECONF_append_class-target = "${@get_build_time(d)}"