1 files changed, 1 insertions, 1 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 15325601eb..cf8a0a1ff1 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -259,7 +259,7 @@ SRC
 end
 
 def try_constant(const, headers = nil, opt = "")
-  if true # CROSS_COMPILING
+  if CROSS_COMPILING
     unless try_compile(<<"SRC", opt)
 #{COMMON_HEADERS}
 #{cpp_include(headers)}