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reproducibility: override locale and timezone

And export BR2_REPRODUCIBLE for post-build / post-image scripts.

[Peter: Extend commit message,
	move export together with our other exports,
	add comment explaining why we override local/timezone]
Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Gilles Chanteperdrix 8 years ago
parent
commit
a5f3513b22
1 changed files with 8 additions and 0 deletions
  1. 8 0
      Makefile

+ 8 - 0
Makefile

@@ -213,6 +213,13 @@ ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
 -include $(BR2_CONFIG)
 endif
 
+# timezone and locale may affect build output
+ifeq ($(BR2_REPRODUCIBLE),y)
+export TZ=UTC
+export LANG=C
+export LC_ALL=C
+endif
+
 # To put more focus on warnings, be less verbose as default
 # Use 'make V=1' to see the full commands
 ifeq ("$(origin V)", "command line")
@@ -410,6 +417,7 @@ endif
 # Scripts in support/ or post-build scripts may need to reference
 # these locations, so export them so it is easier to use
 export BR2_CONFIG
+export BR2_REPRODUCIBLE
 export TARGET_DIR
 export STAGING_DIR
 export HOST_DIR