How about printenv (without grep)?
________________________________
From: Christian Hesse <l...@eworm.de>
Sent: Monday, January 6, 2020 4:04:26 PM
To: OpenVPN Development <openvpn-devel@lists.sourceforge.net>
Cc: Christian Hesse <m...@eworm.de>
Subject: [Openvpn-devel] [PATCH 1/1] configure.ac: replace set with env
From: Christian Hesse <m...@eworm.de>
The shell builtin `set` produces different output for different shells:
bash$ set | grep '^TERM='
TERM=xterm
dash$ set | grep '^TERM='
TERM='xterm'
This may break reproducible builds depending on what shell is used.
Let's replace `set` with `env`, which is a real command and always
produces identical output.
Signed-off-by: Christian Hesse <m...@eworm.de>
---
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index a47e0a06..f13ff7b6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1326,7 +1326,7 @@ if test "${enable_async_push}" = "yes"; then
)
fi
-CONFIGURE_DEFINES="`set | grep '^enable_.*=' ; set | grep '^with_.*='`"
+CONFIGURE_DEFINES="`env | grep '^enable_.*=' ; env | grep '^with_.*='`"
AC_DEFINE_UNQUOTED([CONFIGURE_DEFINES], ["`echo ${CONFIGURE_DEFINES}`"],
[Configuration settings])
TAP_WIN_COMPONENT_ID="PRODUCT_TAP_WIN_COMPONENT_ID"
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