* ext/socket/extconf.rb: Use a block of enable_config() for

--{enable,disable}-close-fds-by-recvmsg-with-peek configure option



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Apr 26 18:41:04 2013  Tanaka Akira  <akr@fsij.org>
+
+	* ext/socket/extconf.rb: Use a block of enable_config() for
+	  --{enable,disable}-close-fds-by-recvmsg-with-peek configure option
+
 Fri Apr 26 18:08:08 2013  Tanaka Akira  <akr@fsij.org>
 
 	* dir.c (dir_set_pos): Fix a compilation error when seekdir() is not

ext/socket/extconf.rb

@@ -427,12 +427,7 @@ EOS
     }
   end
 
-  case enable_config("close-fds-by-recvmsg-with-peek")
+  if enable_config("close-fds-by-recvmsg-with-peek") {
-  when true
-    $defs << "-DFD_PASSING_WORK_WITH_RECVMSG_MSG_PEEK"
-  when false
-    # nothing to do.
-  else
       if have_msg_control && have_recvmsg &&
          have_const('AF_UNIX', headers) && have_const('SCM_RIGHTS', headers)
         case RUBY_PLATFORM
@@ -449,38 +444,41 @@ EOS
           close_fds = nil
         end
         if !CROSS_COMPILING
-        if checking_for("recvmsg() with MSG_PEEK allocate file descriptors") {try_run(cpp_include(headers) + RECVMSG_WITH_MSG_PEEK_ALLOCATE_FD_TEST)}
+          if checking_for("recvmsg() with MSG_PEEK allocate file descriptors") {
+              try_run(cpp_include(headers) + RECVMSG_WITH_MSG_PEEK_ALLOCATE_FD_TEST)
+             }
             if close_fds == false
-            warn "unexpected recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation unexpected."
+              warn "unexpected fd-passing recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation unexpected."
             elsif close_fds == nil
-            puts "info: #{RUBY_PLATFORM} recvmsg() with MSG_PEEK allocates fds."
+              puts "info: #{RUBY_PLATFORM} recvmsg() with MSG_PEEK allocates fds on fd-passing."
             end
             close_fds = true
           else
             if close_fds == true
-            warn "unexpected recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation expected."
+              warn "unexpected fd-passing recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation expected."
             elsif close_fds == nil
-            puts "info: #{RUBY_PLATFORM}: recvmsg() with MSG_PEEK doesn't allocates fds."
+              puts "info: #{RUBY_PLATFORM}: recvmsg() with MSG_PEEK doesn't allocates fds on fd-passing."
             end
             close_fds = false
           end
         end
         if close_fds == nil
           abort <<EOS
-Fatal: cannot test recvmsg() with MSG_PEEK allocate file descriptors or not
+Fatal: cannot test fd-passing recvmsg() with MSG_PEEK behavor
-because cross-compilation.
+because cross-compilation for #{RUBY_PLATFORM}.
-Specify a configure option.
 If recvmsg() with MSG_PEEK allocates fds on fd passing:
   --enable-close-fds-by-recvmsg-with-peek
 If recvmsg() with MSG_PEEK doesn't allocate fds on fd passing:
   --disable-close-fds-by-recvmsg-with-peek
 EOS
         end
-      if close_fds
+        close_fds
+      else
+        false
+      end
+     }
     $defs << "-DFD_PASSING_WORK_WITH_RECVMSG_MSG_PEEK"
   end
-    end
-  end
 
   case enable_config("wide-getaddrinfo")
   when true
@@ -488,7 +486,10 @@ EOS
   when nil
     if have_func("getnameinfo", headers) and have_func("getaddrinfo", headers)
       getaddr_info_ok = :os
-      if !CROSS_COMPILING && !checking_for("system getaddrinfo working") {try_run(cpp_include(headers) + GETADDRINFO_GETNAMEINFO_TEST)}
+      if !CROSS_COMPILING &&
+         !checking_for("system getaddrinfo working") {
+           try_run(cpp_include(headers) + GETADDRINFO_GETNAMEINFO_TEST)
+         }
         getaddr_info_ok = :wide
       end
     else
@@ -497,7 +498,10 @@ EOS
   when false
     if have_func("getnameinfo", headers) and have_func("getaddrinfo", headers)
       getaddr_info_ok = :os
-      if !CROSS_COMPILING && !checking_for("system getaddrinfo working") {try_run(cpp_include(headers) + GETADDRINFO_GETNAMEINFO_TEST)}
+      if !CROSS_COMPILING &&
+         !checking_for("system getaddrinfo working") {
+           try_run(cpp_include(headers) + GETADDRINFO_GETNAMEINFO_TEST)
+         }
         getaddr_info_ok = nil
       end
     else