From: Richard M. Stallman <rms@gnu.org>
Date: Sun, 19 Sep 1993 20:04:21 +0000 (+0000)
Subject: Use "sh -c pwd" when we want to avoid having the
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Use "sh -c pwd" when we want to avoid having the
shell fix up the value of $PWD.
---

diff --git a/configure1.in b/configure1.in
index 23cdd962141..48883384d15 100755
--- a/configure1.in
+++ b/configure1.in
@@ -353,7 +353,7 @@ case "${srcdir}" in
   . )
     ## We may be able to use the $PWD environment variable to make this
     ## absolute.  But sometimes PWD is inaccurate.
-    if [ "${PWD}" != "" ] && [ "`(cd ${PWD} ; pwd)`" = "`pwd`" ] ; then
+    if [ "${PWD}" != "" ] && [ "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ] ; then
       srcdir="$PWD"
     else
       srcdir="`(cd ${srcdir}; pwd)`"