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-rw-r--r--include/ruby/ruby.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index ebb2160233..64d33434bb 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -58,11 +58,9 @@ RUBY_SYMBOL_EXPORT_BEGIN
/* Make alloca work the best possible way. */
#ifdef __GNUC__
-# ifndef atarist
-# ifndef alloca
-# define alloca __builtin_alloca
-# endif
-# endif /* atarist */
+# ifndef alloca
+# define alloca __builtin_alloca
+# endif
#else
# ifdef HAVE_ALLOCA_H
# include <alloca.h>