From 9839d82d1efe7466b0a9dc8f1d3a86f1ef5e332b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 17 Aug 2016 14:14:44 +0000
Subject: gem extensions

* ext/extmk.rb: build gem extensions into separate directories
* tool/rbinstall.rb: install pre-built gem extension files gem
  extension directories.  [ruby-core:76931] [Bug #12681]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55950 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/extmk.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'ext/extmk.rb')

diff --git a/ext/extmk.rb b/ext/extmk.rb
index aa9b0d80ea..a65a281617 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -565,12 +565,24 @@ end
 
 Dir.chdir('..')
 FileUtils::makedirs('gems')
-FileUtils::makedirs('.ext/gems')
+FileUtils::makedirs("#$extout/gems")
 Dir.chdir('gems')
 extout = $extout
 gems.each do |d|
   $extout = extout.dup
   extmake(d, 'gems')
+  open("#{d}/Makefile", "r+b") do |f|
+    mf = f.read
+    f.rewind
+    mf.sub!(/^RUBYARCHDIR *= *(\$\(extout\))\/(\$\(arch\))(.*)/) {
+      "TARGET_SO_DIR = #$1/gems/#$2/#{d[%r{\A[^/]+}]}#$3\n" \
+      "TARGET_SO_TIME = .gems.-.arch.-.#{d[/\A[^\/]+/]}.time"
+    }
+    mf.gsub!(/\bRUBYARCHDIR\b/, 'TARGET_SO_DIR')
+    mf.gsub!(/\.TARGET_SO_DIR\.time/, '$(TARGET_SO_TIME)')
+    f.write(mf)
+    f.truncate(f.pos)
+  end
 end
 $extout = extout
 Dir.chdir('../ext')
-- 
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