From 81c21088196fd92d08c253efc2feb8dbead88acf Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Mon, 19 Oct 2020 15:03:22 +0900
Subject: Revert `MRUBY_TARGET` mechanism; ref #5096

* In explanation of mruby, the expression `build_config.rb` is frequently
  used including official documents, so I think that it will not make sense
  if the file is no longer used.
* The `MRUBY_TARGET` mechanism seems to have little improvement, so I don't
  think it should be changed to avoid unnecessary confusion.
* `MRUBY_TARGET` and `MRuby.targets` represent somewhat different things,
  so using the same term "target" is a bit confusing.

The mechanism that can be written short when using a file under
`build_config` (renamed from `target`) directory remains
(`build_config/${MRUBY_CONFIG}.rb` is used if the path specified
in `MRUBY_CONFIG` doesn't exist).
---
 build_config/host-shared.rb | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 build_config/host-shared.rb

(limited to 'build_config/host-shared.rb')

diff --git a/build_config/host-shared.rb b/build_config/host-shared.rb
new file mode 100644
index 000000000..8b5028837
--- /dev/null
+++ b/build_config/host-shared.rb
@@ -0,0 +1,36 @@
+MRuby::Build.new do |conf|
+  # load specific toolchain settings
+
+  # Gets set by the VS command prompts.
+  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
+    toolchain :visualcpp
+  else
+    toolchain :gcc
+  end
+
+  # include the GEM box
+  conf.gembox 'default'
+
+  # C compiler settings
+  conf.cc do |cc|
+    cc.flags = '-fPIC'
+  end
+
+  conf.archiver do |archiver|
+    archiver.command = 'gcc'
+    archiver.archive_options = '-shared -o %{outfile} %{objs}'
+  end
+
+  # file extensions
+  conf.exts do |exts|
+     exts.library = '.so'
+  end
+
+  # file separetor
+  # conf.file_separator = '/'
+
+  # Turn on `enable_debug` for better debugging
+  enable_debug
+  conf.enable_bintest
+  conf.enable_test
+end
-- 
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