diff -uNr wrk-4.1.0/Makefile wrk-4.1.0.mod/Makefile
--- wrk-4.1.0/Makefile	2018-01-21 08:00:58.000000000 +0200
+++ wrk-4.1.0.mod/Makefile	2020-05-08 02:09:33.254774677 +0300
@@ -1,5 +1,5 @@
-CFLAGS  += -std=c99 -Wall -O2 -D_REENTRANT
-LIBS    := -lpthread -lm -lssl -lcrypto
+CFLAGS  += -std=c99 -Wall -D_REENTRANT
+LIBS    := -lm -lssl -lcrypto
 
 TARGET  := $(shell uname -s | tr '[A-Z]' '[a-z]' 2>/dev/null || echo unknown)
 
@@ -31,7 +31,7 @@
 LDFLAGS += -L$(ODIR)/lib
 
 ifneq ($(WITH_LUAJIT),)
-	CFLAGS  += -I$(WITH_LUAJIT)/include
+	CFLAGS  += -I$(WITH_LUAJIT)/include/luajit-2.1
 	LDFLAGS += -L$(WITH_LUAJIT)/lib
 else
 	CFLAGS  += -I$(ODIR)/include/luajit-2.1
@@ -61,7 +61,7 @@
 
 $(ODIR)/bytecode.o: src/wrk.lua
 	@echo LUAJIT $<
-	@$(SHELL) -c 'PATH=obj/bin:$(PATH) luajit -b $(CURDIR)/$< $(CURDIR)/$@'
+	@$(SHELL) -c 'PATH=obj/bin:$(PATH) luajit -b -a $(_ARCH) $(CURDIR)/$< $(CURDIR)/$@'
 
 $(ODIR)/version.o:
 	@echo 'const char *VERSION="$(VER)";' | $(CC) -xc -c -o $@ -