* ext/digest/*/extconf.rb: use pkg_config to use same library with

  openssl.  [ruby-core:44755][Bug #6379]
* ext/openssl/deprecation.rb: extract check for broken Apple OpenSSL.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

+Tue May  1 06:03:34 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/digest/*/extconf.rb: use pkg_config to use same library with
+	  openssl.  [ruby-core:44755][Bug #6379]
+
+	* ext/openssl/deprecation.rb: extract check for broken Apple OpenSSL.
+
 Tue May  1 05:02:30 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (optflags): disable unsafe optimizations.

ext/digest/md5/extconf.rb

@@ -9,9 +9,11 @@
 $objs = [ "md5init.#{$OBJEXT}" ]
 
 dir_config("openssl")
+pkg_config("openssl")
+require_relative '../../openssl/deprecation'
 
 if !with_config("bundled-md5") &&
-    have_library("crypto") && have_header("openssl/md5.h")
+    have_library("crypto") && OpenSSL.check_func("MD5_Transform", "openssl/md5.h")
   $objs << "md5ossl.#{$OBJEXT}"
 
 else
@@ -22,7 +24,4 @@
 
 $preload = %w[digest]
 
-if try_compile("", flag = " -Wno-deprecated-declarations")
-  $warnflags << flag
-end
 create_makefile("digest/md5")

ext/digest/rmd160/extconf.rb

@@ -9,9 +9,11 @@
 $objs = [ "rmd160init.#{$OBJEXT}" ]
 
 dir_config("openssl")
+pkg_config("openssl")
+require_relative '../../openssl/deprecation'
 
 if !with_config("bundled-rmd160") &&
-    have_library("crypto") && have_header("openssl/ripemd.h")
+    have_library("crypto") && OpenSSL.check_func("RMD160_Transform", "openssl/ripemd.h")
   $objs << "rmd160ossl.#{$OBJEXT}"
 else
   $objs << "rmd160.#{$OBJEXT}"
@@ -21,7 +23,4 @@
 
 $preload = %w[digest]
 
-if try_compile("", flag = " -Wno-deprecated-declarations")
-  $warnflags << flag
-end
 create_makefile("digest/rmd160")

ext/digest/sha1/extconf.rb

@@ -9,9 +9,11 @@
 $objs = [ "sha1init.#{$OBJEXT}" ]
 
 dir_config("openssl")
+pkg_config("openssl")
+require_relative '../../openssl/deprecation'
 
 if !with_config("bundled-sha1") &&
-    have_library("crypto") && have_header("openssl/sha.h")
+    have_library("crypto") && OpenSSL.check_func("SHA1_Transform", "openssl/sha.h")
   $objs << "sha1ossl.#{$OBJEXT}"
 else
   $objs << "sha1.#{$OBJEXT}"
@@ -21,7 +23,4 @@
 
 $preload = %w[digest]
 
-if try_compile("", flag = " -Wno-deprecated-declarations")
-  $warnflags << flag
-end
 create_makefile("digest/sha1")

ext/digest/sha2/extconf.rb

@@ -9,10 +9,12 @@
 $objs = [ "sha2init.#{$OBJEXT}" ]
 
 dir_config("openssl")
+pkg_config("openssl")
+require_relative '../../openssl/deprecation'
 
 if !with_config("bundled-sha2") &&
     have_library("crypto") &&
-    %w[SHA256 SHA512].all? {|d| have_func("#{d}_Transform", "openssl/sha.h")} &&
+    %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")}
   $objs << "sha2ossl.#{$OBJEXT}"
   $defs << "-DSHA2_USE_OPENSSL"
@@ -26,8 +28,5 @@
 $preload = %w[digest]
 
 if have_type("uint64_t", "defs.h", $defs.join(' '))
-  if try_compile("", flag = " -Wno-deprecated-declarations")
-    $warnflags << flag
-  end
   create_makefile("digest/sha2")
 end

ext/openssl/deprecation.rb

+module OpenSSL
+  def self.check_func(func, header)
+    unless flag = (@deprecated_warning_flag ||= nil)
+      if try_compile("", flag = "-Werror=deprecated-declarations")
+        if with_config("broken-apple-openssl")
+          flag = "-Wno-deprecated-declarations"
+        end
+        $warnflags << " #{flag}"
+      else
+        flag = ""
+      end
+      @deprecated_warning_flag = flag
+    end
+    have_func(func, header, flag)
+  end
+end

ext/openssl/extconf.rb

@@ -15,6 +15,7 @@
 =end
 
 require "mkmf"
+require_relative 'deprecation'
 
 dir_config("openssl")
 dir_config("kerberos")
@@ -57,12 +58,8 @@
   message "OpenSSL 0.9.6 or later required.\n"
   exit 1
 end
-if try_compile("", flag = "-Werror=deprecated-declarations")
-  unless have_func("SSL_library_init()", "openssl/ssl.h", flag)
-    with_config("broken-apple-openssl") or
-      abort "Ignore OpenSSL broken by Apple"
-    $warnflags << " -Wno-deprecated-declarations"
-  end
+unless OpenSSL.check_func("SSL_library_init()", "openssl/ssl.h")
+  abort "Ignore OpenSSL broken by Apple"
 end
 
 message "=== Checking for OpenSSL features... ===\n"