2 files changed, 8 insertions, 10 deletions
diff --git a/mrbgems/mruby-bin-mruby/mrbgem.rake b/mrbgems/mruby-bin-mruby/mrbgem.rake
index ba7fad1fa..243b413eb 100644
--- a/mrbgems/mruby-bin-mruby/mrbgem.rake
+++ b/mrbgems/mruby-bin-mruby/mrbgem.rake
@@ -4,4 +4,10 @@ MRuby::Gem::Specification.new('mruby-bin-mruby') do |spec|
   spec.summary = 'mruby command'
   spec.bins = %w(mruby)
   spec.add_dependency('mruby-compiler', :core => 'mruby-compiler')
+  spec.add_dependency('mruby-error', :core => 'mruby-error')
+
+  if build.cxx_exception_enabled?
+    @objs << build.compile_as_cxx("#{spec.dir}/tools/mruby/mruby.c", "#{spec.build_dir}/tools/mruby/mruby.cxx")
+    @objs.delete_if { |v| v == objfile("#{spec.build_dir}/tools/mruby/mruby") }
+  end
 end
diff --git a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
index d10535140..d0e5dc8dc 100644
--- a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
+++ b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
@@ -6,7 +6,6 @@
 #include <mruby/compile.h>
 #include <mruby/dump.h>
 #include <mruby/variable.h>
-#include <mruby/throw.h>
 
 #ifdef MRB_DISABLE_STDIO
 static void
@@ -177,8 +176,6 @@ main(int argc, char **argv)
   mrbc_context *c;
   mrb_value v;
   mrb_sym zero_sym;
-  struct mrb_jmpbuf c_jmp;
-  int ai;
 
   if (mrb == NULL) {
     fputs("Invalid mrb_state, exiting mruby\n", stderr);
@@ -191,10 +188,8 @@ main(int argc, char **argv)
     usage(argv[0]);
     return n;
   }
-
-  ai = mrb_gc_arena_save(mrb);
-  MRB_TRY(&c_jmp) {
-    mrb->jmp = &c_jmp;
+  else {
+    int ai = mrb_gc_arena_save(mrb);
     ARGV = mrb_ary_new_capa(mrb, args.argc);
     for (i = 0; i < args.argc; i++) {
       char* utf8 = mrb_utf8_from_locale(args.argv[i], -1);
@@ -250,9 +245,6 @@ main(int argc, char **argv)
       printf("Syntax OK\n");
     }
   }
-  MRB_CATCH(&c_jmp) {           /* error */
-  }
-  MRB_END_EXC(&c_jmp);
   cleanup(mrb, &args);
 
   return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;