From a37a3655484e327a6ce28d8d8892424599fa9d2c Mon Sep 17 00:00:00 2001
From: Brian Harring <ferringb@gentoo.org>
Date: Tue, 4 Oct 2005 14:13:49 +0000
Subject: [PATCH] bug 107770 , fix A D and a few other vars being set
 implicitly by readonly protection during setup phase.

svn path=/main/branches/2.0/; revision=2083
---
 bin/ebuild.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index cf012d1b0..ca47396ba 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -1733,8 +1733,10 @@ export S=${WORKDIR}/${P}
 
 unset E_IUSE E_DEPEND E_RDEPEND E_CDEPEND E_PDEPEND
 
-declare -r T P PN PV PVR PR A D EBUILD EMERGE_FROM O PPID FILESDIR
-declare -r PORTAGE_TMPDIR
+for x in T P PN PV PVR PR A D EBUILD EMERGE_FROM O PPID FILESDIR PORTAGE_TMPDIR; do
+	[[ ${!x-UNSET_VAR} != UNSET_VAR ]] && declare -r ${!x}
+done
+unset x
 
 # Turn of extended glob matching so that g++ doesn't get incorrectly matched.
 shopt -u extglob
-- 
2.26.2