From 3486904f4ed74687a6c86c1e2255bb733924283b Mon Sep 17 00:00:00 2001
From: hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 12 Aug 2014 05:25:47 +0000
Subject: * configure.in: ignored working directory same as prefix value.  
 [ruby-core:54999] [Bug #8409]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index ca5bc01698..a2d0d81f00 100644
--- a/configure.in
+++ b/configure.in
@@ -229,6 +229,10 @@ test -z "$CXX" || ac_cv_prog_CXX="$CXX"
 if test "$program_prefix" = NONE; then
   program_prefix=
 fi
+if test "$prefix" = `pwd`; then
+  echo "--prefix cannot be the current working directory."
+  exit 1;
+fi
 RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
 RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"`
 AC_SUBST(RUBY_BASE_NAME)
-- 
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