* ext/openssl/extconf.rb: suppress useless deprecation warnings

from OpenSSL added by Apple.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Feb 27 10:48:49 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/openssl/extconf.rb: suppress useless deprecation warnings
+	  from OpenSSL added by Apple.
+
 Sun Feb 26 23:29:49 2012  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* regparse.c (add_code_range_to_buf0): wrong condition of duplicated

ext/digest/md5/extconf.rb

@@ -22,4 +22,7 @@ have_header("sys/cdefs.h")
 
 $preload = %w[digest]
 
+if try_compile("", flag = " -Wno-deprecated-declarations")
+  $warnflags << flag
+end
 create_makefile("digest/md5")

ext/digest/rmd160/extconf.rb

@@ -21,4 +21,7 @@ have_header("sys/cdefs.h")
 
 $preload = %w[digest]
 
+if try_compile("", flag = " -Wno-deprecated-declarations")
+  $warnflags << flag
+end
 create_makefile("digest/rmd160")

ext/digest/sha1/extconf.rb

@@ -21,4 +21,7 @@ have_header("sys/cdefs.h")
 
 $preload = %w[digest]
 
+if try_compile("", flag = " -Wno-deprecated-declarations")
+  $warnflags << flag
+end
 create_makefile("digest/sha1")

ext/digest/sha2/extconf.rb

@@ -26,5 +26,8 @@ have_header("sys/cdefs.h")
 $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/extconf.rb

@@ -146,6 +146,9 @@ have_struct_member("X509_ATTRIBUTE", "single", "openssl/x509.h")
 
 message "=== Checking done. ===\n"
 
+if try_compile("", flag = " -Wno-deprecated-declarations")
+  $warnflags << flag
+end
 create_header
 create_makefile("openssl")
 message "Done.\n"