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-rw-r--r--tools/gpio/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 4d198d5c4203..c155d6bc47a7 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -1,5 +1,5 @@
CC = $(CROSS_COMPILE)gcc
-CFLAGS += -Wall -g -D_GNU_SOURCE
+CFLAGS += -O2 -Wall -g -D_GNU_SOURCE
all: lsgpio