From 0dae87d3c39796eb0e9288256737e45c5030650e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lucio=20Andr=C3=A9s=20Illanes=20Albornoz=20=28arab=2C=20vx?=
 =?UTF-8?q?p=29?= <l.illanes@gmx.de>
Date: Sun, 7 Feb 2016 22:25:58 +0100
Subject: Clear all locale (7) environment variables before each build.

---
 build.sh   | 2 ++
 build.subr | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/build.sh b/build.sh
index 21cf1f2c..6808e449 100755
--- a/build.sh
+++ b/build.sh
@@ -5,6 +5,8 @@ unset AR ARFLAGS CC CFLAGS CXX CXXFLAGS LD LDFLAGS;
 . ./build.vars; . ./build.subr;
 check_path_vars PREFIX PREFIX_NATIVE WORKDIR;
 check_prereqs git make openssl sed sort tar tr wget;
+set_env_vars "" LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS \
+LC_TELEPHONE LC_MEASUREMENT LC_IDENTIFICATION LC_ALL;
 log_msg info "Build started by ${BUILD_USER:=${USER}}@${BUILD_HNAME:=$(hostname)} at ${BUILD_DATE:=$(date %Y-%m-%d-%H-%M-%S)}.";
 #trap
 (set -o errexit; mkdir -p ${PREFIX} ${WORKDIR});
diff --git a/build.subr b/build.subr
index e8d0a9f7..1c1e7984 100644
--- a/build.subr
+++ b/build.subr
@@ -146,7 +146,11 @@ set_build_dir() {
 set_env_vars() {
 	_val=${1}; shift;
 	while [ $# -ge 1 ]; do
-		export "${1}=${_val}"; shift;
+		if [ -z "${_val}" ]; then
+			unset ${1};
+		else
+			export "${1}=${_val}";
+		fi; shift;
 	done; unset _val;
 };
 
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