From 1520c97e172484af7cbd0f51512cd3ac0025e228 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sun, 16 Aug 2020 17:56:50 +0900
Subject: Add default `host` target for cross compiling.

You don't have to define explicit `host` build target any more.
---
 lib/mruby/build.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'lib')

diff --git a/lib/mruby/build.rb b/lib/mruby/build.rb
index 40fd0f9fe..c101a237f 100644
--- a/lib/mruby/build.rb
+++ b/lib/mruby/build.rb
@@ -370,6 +370,17 @@ EOS
     attr_accessor :host_target, :build_target
 
     def initialize(name, build_dir=nil, &block)
+      unless MRuby.targets['host']
+        # add minimal 'host'
+        MRuby::Build.new('host') do |conf|
+          if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
+            toolchain :visualcpp
+          else
+            toolchain :gcc
+          end
+          conf.gem :core => 'mruby-bin-mrbc'
+        end
+      end
       @endian = nil
       @test_runner = Command::CrossTestRunner.new(self)
       super
-- 
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