var/spack/repos/builtin/packages/intel-tbb/tbb_gcc_rtm_key.patch


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--- build/linux.gcc.inc~	2016-09-15 07:00:44.000000000 -0500
+++ build/linux.gcc.inc	2018-06-07 17:32:53.181194974 -0500
@@ -46,7 +46,7 @@
 
 # gcc 4.8 and later support RTM intrinsics, but require command line switch to enable them
 ifneq (,$(shell gcc -dumpversion | egrep  "^(4\.[8-9]|[5-9])"))
-    RTM_KEY = -mrtm
+    RTM_KEY = # -mrtm
 endif
 
 ifeq ($(cfg), release)