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-rw-r--r--ext/etc/extconf.rb5
1 files changed, 1 insertions, 4 deletions
diff --git a/ext/etc/extconf.rb b/ext/etc/extconf.rb
index b6ae7700da..6e7810a5e8 100644
--- a/ext/etc/extconf.rb
+++ b/ext/etc/extconf.rb
@@ -47,10 +47,7 @@ if !File.exist?("#{srcdir}/depend")
%x[#{RbConfig.ruby} #{srcdir}/mkconstants.rb -o #{srcdir}/constdefs.h]
end
-decl = [
- "void rb_deprecate_constant(VALUE, const char *);",
-]
-have_func('rb_deprecate_constant(Qnil, "None")', [decl])
+have_func('rb_deprecate_constant(Qnil, "None")')
$distcleanfiles << "constdefs.h"