Avoid overwriting earlier flags in CPPFLAGS-nonlib in benchtests

[thirdparty/glibc.git] / benchtests / Makefile

diff --git a/benchtests/Makefile b/benchtests/Makefile
index 67728537a816a06dac83585f5541e9636d6e9be2..680440f429769a77ac77f1a1c03b323495f14701 100644 (file)
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -102,7 +102,7 @@ ifndef BENCH_DURATION
 BENCH_DURATION := 10
 endif
 
-CPPFLAGS-nonlib = -DDURATION=$(BENCH_DURATION)
+CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION)
 
 # Use clock_gettime to measure performance of functions.  The default is to use
 # HP_TIMING if it is available.