* lib/mkmf.rb: exclude topdir from the system configuration

section and prevent it from being overridden.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2433 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun May  5 06:53:45 2002  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/mkmf.rb: exclude topdir from the system configuration
+	  section and prevent it from being overridden.
+
 Fri May  3 20:19:00 2002  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* configure.in: add #include <errno.h> in AC_CHECK_DECLS().

lib/mkmf.rb

@@ -499,12 +499,12 @@ EOMF
   if destdir = CONFIG["prefix"].scan(drive)[0] and !destdir.empty?
     mfile.print "\nDESTDIR = ", destdir, "\n"
   end
-  CONFIG.select do |key, var|
-    next if /prefix$/ !~ key
+  CONFIG.each do |key, var|
+    next unless /prefix$/ =~ key
     mfile.print key, " = ", with_destdir(var.sub(drive, '')), "\n"
   end
-  CONFIG.select do |key, var|
-    next if key == "srcdir" or /dir$/ !~ key
+  CONFIG.each do |key, var|
+    next unless /^(?:src|top|(.*))dir$/ =~ key and $1
     mfile.print key, " = ", with_destdir(var.sub(drive, '')), "\n"
   end
   mfile.print  <<EOMF