Identical builds with Makefile and build.bx

Makefile

 	src/toolchain.h src/bufio.h
 BUILD = build
 OBJS = $(patsubst %,$(BUILD)/%.o,$(SRCS))
-CFLAGS = -O3 -g -Wall -Wextra -Wno-unused-parameter
+CFLAGS = -std=c++14 -Wall -Wextra -Wno-unused-parameter -O3 -g
 LDLIBS = -lpthread
 
 $(BUILD)/%.cc.o: %.cc $(HDRS)
 	@mkdir -p $(@D)
-	$(CXX) $(CFLAGS) -c $< -o $@
+	$(CXX) $(CFLAGS) -o $@ -c $<
 
 $(BUILD)/box: $(OBJS)
 	@mkdir -p $(@D)

build.bx

 warnings := all extra no-unused-parameter
 std := c++14
 optimize := 3
+cxxflags := -g
+ldlibs := pthread

src/main.cc

-//#bx ldlibs := pthread
-
 #include <getopt.h>
 #include <string.h>
 #include <iostream>