From 66e0df34e0d2dcf4de67a653f614610068bdd350 Mon Sep 17 00:00:00 2001
From: take_cheeze <takechi101010@gmail.com>
Date: Mon, 7 Apr 2014 17:38:30 +0900
Subject: Fix C++ files detection for automatic C++ ABI enabling.

---
 tasks/mruby_build_gem.rake | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'tasks/mruby_build_gem.rake')

diff --git a/tasks/mruby_build_gem.rake b/tasks/mruby_build_gem.rake
index 5e4566f8d..42d0d6b89 100644
--- a/tasks/mruby_build_gem.rake
+++ b/tasks/mruby_build_gem.rake
@@ -30,12 +30,15 @@ module MRuby
       load gemrake
       return nil unless Gem.current
 
-      enable_cxx_abi if Gem.current.cxx_abi_enabled?
-
       Gem.current.dir = gemdir
       Gem.current.build = MRuby::Build.current
       Gem.current.build_config_initializer = block
       gems << Gem.current
+
+      cxx_srcs = Dir.glob("#{Gem.current.dir}/src/*.{cpp,cxx}")
+      cxx_srcs += Dir.glob("#{Gem.current.dir}/test/*.{cpp,cxx}")
+      enable_cxx_abi unless cxx_srcs.empty?
+
       Gem.current
     end
 
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