1 files changed, 17 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 88b83d6007..529e567c96 100644
--- a/configure.in
+++ b/configure.in
@@ -296,6 +296,23 @@ AC_SUBST(MAKEDIRS)
 AC_SUBST(RMDIRS, ['$(top_srcdir)/tool/rmdirs'])
 AC_SUBST(RMALL, ['rm -fr'])
 
+AC_MSG_CHECKING([for cd using phisical directory])
+rm -fr conf$$.dir
+mkdir conf$$.dir &&
+(cd conf$$.dir && mkdir src build && cd src &&
+$as_ln_s ../build . > /dev/null 2>&1 && cd build &&
+for chdir in 'cd -P' 'PWD= cd'; do
+    ($chdir ../src 2> /dev/null && echo "$chdir" > cdcmd) && break
+done)
+if test -e conf$$.dir/src/cdcmd; then
+    read CHDIR < conf$$.dir/src/cdcmd 2> /dev/null
+else
+    CHDIR=cd
+fi
+rm -fr conf$$.dir
+AC_MSG_RESULT([$CHDIR])
+AC_SUBST(CHDIR)
+
 dnl }
 dnl compiler section {