--- ruby-2.1.2/ext/digest/md5/extconf.rb	2012-11-26 22:58:52.000000000 -0200
+++ ruby-2.1.2/ext/digest/md5/extconf.rb	2014-09-16 19:25:21.120457409 -0300
@@ -9,14 +9,21 @@
 
 $objs = [ "md5init.#{$OBJEXT}" ]
 
-dir_config("openssl")
-pkg_config("openssl")
-require File.expand_path('../../../openssl/deprecation', __FILE__)
+if !with_config("bundled-md5")
+  dir_config("openssl")
+  pkg_config("openssl")
+  require File.expand_path('../../../openssl/deprecation', __FILE__)
+  if have_library("crypto") && OpenSSL.check_func("MD5_Transform", "openssl/md5.h")
+    $use_bundled=false
+  else
+    $use_bundled=true
+  end
+else
+  $use_bundled=true
+end
 
-if !with_config("bundled-md5") &&
-    have_library("crypto") && OpenSSL.check_func("MD5_Transform", "openssl/md5.h")
+if !$use_bundled
   $objs << "md5ossl.#{$OBJEXT}"
-
 else
   $objs << "md5.#{$OBJEXT}"
 end
--- ruby-2.1.2/ext/digest/rmd160/extconf.rb	2012-11-26 22:58:52.000000000 -0200
+++ ruby-2.1.2/ext/digest/rmd160/extconf.rb	2014-09-16 19:29:11.425628541 -0300
@@ -9,12 +9,20 @@
 
 $objs = [ "rmd160init.#{$OBJEXT}" ]
 
-dir_config("openssl")
-pkg_config("openssl")
-require File.expand_path('../../../openssl/deprecation', __FILE__)
+if !with_config("bundled-rmd160")
+  dir_config("openssl")
+  pkg_config("openssl")
+  require File.expand_path('../../../openssl/deprecation', __FILE__)
+  if have_library("crypto") && OpenSSL.check_func("RIPEMD160_Transform", "openssl/ripemd.h")
+    $use_bundled=false
+  else
+    $use_bundled=true
+  end
+else
+  $use_bundled=true
+end
 
-if !with_config("bundled-rmd160") &&
-    have_library("crypto") && OpenSSL.check_func("RIPEMD160_Transform", "openssl/ripemd.h")
+if !$use_bundled
   $objs << "rmd160ossl.#{$OBJEXT}"
 else
   $objs << "rmd160.#{$OBJEXT}"
--- ruby-2.1.2/ext/digest/sha1/extconf.rb	2012-11-26 22:58:52.000000000 -0200
+++ ruby-2.1.2/ext/digest/sha1/extconf.rb	2014-09-16 19:30:09.359168494 -0300
@@ -9,12 +9,20 @@
 
 $objs = [ "sha1init.#{$OBJEXT}" ]
 
-dir_config("openssl")
-pkg_config("openssl")
-require File.expand_path('../../../openssl/deprecation', __FILE__)
+if !with_config("bundled-sha1")
+  dir_config("openssl")
+  pkg_config("openssl")
+  require File.expand_path('../../../openssl/deprecation', __FILE__)
+  if have_library("crypto") && OpenSSL.check_func("SHA1_Transform", "openssl/sha.h")
+    $use_bundled=false
+  else
+    $use_bundled=true
+  end
+else
+  $use_bundled=true
+end
 
-if !with_config("bundled-sha1") &&
-    have_library("crypto") && OpenSSL.check_func("SHA1_Transform", "openssl/sha.h")
+if !$use_bundled
   $objs << "sha1ossl.#{$OBJEXT}"
 else
   $objs << "sha1.#{$OBJEXT}"
--- ruby-2.1.2/ext/digest/sha2/extconf.rb	2012-11-26 22:58:52.000000000 -0200
+++ ruby-2.1.2/ext/digest/sha2/extconf.rb	2014-09-16 19:31:31.833513570 -0300
@@ -9,14 +9,22 @@
 
 $objs = [ "sha2init.#{$OBJEXT}" ]
 
-dir_config("openssl")
-pkg_config("openssl")
-require File.expand_path('../../../openssl/deprecation', __FILE__)
-
-if !with_config("bundled-sha2") &&
-    have_library("crypto") &&
+if !with_config("bundled-sha2")
+  dir_config("openssl")
+  pkg_config("openssl")
+  require File.expand_path('../../../openssl/deprecation', __FILE__)
+  if have_library("crypto") &&
     %w[SHA256 SHA512].all? {|d| OpenSSL.check_func("#{d}_Transform", "openssl/sha.h")} &&
     %w[SHA256 SHA512].all? {|d| have_type("#{d}_CTX", "openssl/sha.h")}
+    $use_bundled=false
+  else
+    $use_bundled=true
+  end
+else
+  $use_bundled=true
+end
+
+if !$use_bundled
   $objs << "sha2ossl.#{$OBJEXT}"
   $defs << "-DSHA2_USE_OPENSSL"
 else