dtrace does not appear in RbConfig anymore :(.

ruby.spec

@@ -84,8 +84,6 @@ Source7: config.h
 Source8: rubygems.attr
 Source9: rubygems.req
 Source10: rubygems.prov
-# SystemTap sanity test case.
-Source11: test_systemtap.rb
 
 # The load directive is supported since RPM 4.12, i.e. F21+. The build process
 # fails on older Fedoras.
@@ -582,9 +580,6 @@ sed -e "s|@LIBRARY_PATH@|%{tapset_libdir}/libruby.so.%{major_minor_version}|" \
 sed -i -r "s|( \*.*\*)\/(.*)|\1\\\/\2|" %{buildroot}%{tapset_dir}/libruby.so.%{major_minor_version}.stp
 
 %check
-# Sanity check that SystemTap (dtrace) was detected.
-make runruby TESTRUN_SCRIPT=%{SOURCE11}
-
 DISABLE_TESTS=""
 
 # test_debug(TestRubyOptions) fails due to LoadError reported in debug mode,

test_systemtap.rb

@@ -1,9 +0,0 @@
-require 'rbconfig'
-
-if RbConfig::CONFIG.select {|k, v| v =~ /dtrace/}.size == 1
-  exit true
-else
-  puts 'ERROR: SystemTap (dtrace) support was not detected.'
-
-  exit false
-end