extmk.rb: removed compiled? method [ci skip]

* ext/extmk.rb (compiled?): removed.

* ext/win32/extconf.rb: try to install libraries regardless
  fiddle.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56822 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/extmk.rb

@@ -26,7 +26,6 @@ alias $PROGRAM_NAME $0
 alias $0 $progname
 
 $extlist = []
-$compiled = {}
 
 DUMMY_SIGNATURE = "***DUMMY MAKEFILE***"
 
@@ -167,7 +166,6 @@ def extmake(target, basedir = (maybestatic = 'ext'))
     $objs = []
     $srcs = []
     $extso = []
-    $compiled[target] = false
     makefile = "./Makefile"
     static = $static
     $static = nil if noinstall = File.fnmatch?("-*", target)
@@ -277,7 +275,6 @@ def extmake(target, basedir = (maybestatic = 'ext'))
     unless $configure_only or system($make, *args)
       $ignore or $continue or return false
     end
-    $compiled[target] = true
     if $clean
       FileUtils.rm_f("mkmf.log")
       if $clean != true
@@ -325,10 +322,6 @@ def extmake(target, basedir = (maybestatic = 'ext'))
   true
 end
 
-def compiled?(target)
-  $compiled[target]
-end
-
 def parse_args()
   $mflags = []
   $makeflags = [] # for make command to build ruby, so quoted

ext/win32/extconf.rb

@@ -1,4 +1,4 @@
 # frozen_string_literal: false
-if compiled?('fiddle') and $mswin||$mingw||$cygwin
+if $mswin||$mingw||$cygwin
   create_makefile('win32')
 end