-fomit-frame-pointer is already turned on by -O1 optimization flag. The liburing default compilation uses -O2 optimization, -O2 turns on all optimization flags specified by -O1. Therefore, we don't need to specify -fomit-frame-pointer here. Remove it. Link: https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html Signed-off-by: Alviro Iskandar Setiawan <alviro.iskandar@xxxxxxxxxxx> --- src/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/Makefile b/src/Makefile index 3e1192f..f19d45e 100644 --- a/src/Makefile +++ b/src/Makefile @@ -8,7 +8,7 @@ libdevdir ?= $(prefix)/lib CPPFLAGS ?= override CPPFLAGS += -D_GNU_SOURCE \ -Iinclude/ -include ../config-host.h -CFLAGS ?= -g -fomit-frame-pointer -O2 -Wall -Wextra -fno-stack-protector +CFLAGS ?= -g -O2 -Wall -Wextra -fno-stack-protector override CFLAGS += -Wno-unused-parameter -Wno-sign-compare -DLIBURING_INTERNAL SO_CFLAGS=-fPIC $(CFLAGS) L_CFLAGS=$(CFLAGS) -- 2.32.0