* configure.in: the shell which runs configure may be different from

the shell for make.  configure likes bash but Makefile specifies
  SHELL=/bin/sh.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Mar  7 13:52:01 2009  Tanaka Akira  <akr@fsij.org>
+
+	* configure.in: the shell which runs configure may be different from
+	  the shell for make.  configure likes bash but Makefile specifies
+	  SHELL=/bin/sh.
+
 Sat Mar  7 12:31:30 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* test/erb/test_erb.rb: reverted space sensitive test results.

configure.in

@@ -302,7 +302,7 @@ 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
+    ( ${CONFIG_SHELL-/bin/sh} -c "$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