From 24b6863f79cff8ee70c7cda101fe108b0ab331dc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 11 Jan 2015 03:54:45 +0000
Subject: fiddle: check assembler

* ext/fiddle/extconf.rb: requires assembler for src/win{32,64}.S.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49208 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/fiddle/extconf.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'ext/fiddle/extconf.rb')

diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb
index a05eccf008..1adbc11eca 100644
--- a/ext/fiddle/extconf.rb
+++ b/ext/fiddle/extconf.rb
@@ -46,6 +46,9 @@ begin
   libffi.ldflags = RbConfig.expand("$(LDFLAGS) #{libpathflag([relative_from($topdir, "..")])} #{$LIBRUBYARG}")
   libffi.arch = RbConfig::CONFIG['host']
   if $mswin
+    unless find_executable(as = /x64/ =~ libffi.arch ? "ml64" : "ml")
+      raise "missing #{as} command."
+    end
     $defs << "-DFFI_BUILDING"
     libffi_config = "#{relative_from($srcdir, '..')}/win32/libffi-config.rb"
     config = CONFIG.merge("top_srcdir" => $top_srcdir)
-- 
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