Merge pull request mruby#3182 from sdottaka/fix-broken-msvc-build

Fix broken msvc build
franckverrot · Jul 25, 2016 · 32ad74f · 32ad74f
2 parents e635dc2 + fb1c4b3
commit 32ad74f
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/build_config.rb b/build_config.rb
@@ -123,9 +123,13 @@
 end
 
 MRuby::Build.new('bench') do |conf|
-  toolchain :gcc
-
-  conf.cc.flags << '-O3'
+  # Gets set by the VS command prompts.
+  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
+    toolchain :visualcpp
+  else
+    toolchain :gcc
+    conf.cc.flags << '-O3'
+  end
 
   conf.gembox 'default'
 end