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-rw-r--r--src/cpu/SConscript3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/SConscript b/src/cpu/SConscript
index bc4ec7923..442c190ce 100644
--- a/src/cpu/SConscript
+++ b/src/cpu/SConscript
@@ -71,7 +71,8 @@ virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) c
# Generate a temporary CPU list, including the CheckerCPU if
# it's enabled. This isn't used for anything else other than StaticInst
# headers.
-temp_cpu_list = env['CPU_MODELS']
+temp_cpu_list = env['CPU_MODELS'][:]
+
if env['USE_CHECKER']:
temp_cpu_list.append('CheckerCPU')