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path: root/lang/ruby25/files/patch-lib_mkmf.rb
blob: f333fdfd2e6797e1e2fca652bdc7938b6655d0c2 (plain) (blame)
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--- lib/mkmf.rb.orig	2018-10-09 14:09:35 UTC
+++ lib/mkmf.rb
@@ -234,7 +234,7 @@ module MakeMakefile
   end
   $extmk ||= false
   if not $extmk and File.exist?(($hdrdir = RbConfig::CONFIG["rubyhdrdir"]) + "/ruby/ruby.h")
-    $topdir = $hdrdir
+    $topdir = $hdrdir + "/" + "#{CONFIG['arch']}/ruby/"
     $top_srcdir = $hdrdir
     $arch_hdrdir = RbConfig::CONFIG["rubyarchhdrdir"]
   elsif File.exist?(($hdrdir = ($top_srcdir ||= topdir) + "/include")  + "/ruby.h")