makefile

ARMOPT=-march=armv8-a+crc+crypto
ifneq ($(shell uname -m),arm64)     # apple m1
 ifneq ($(shell uname -m),aarch64)  # rpi4
  A=-march=native
 else
  A=$(ARMOPT)
 endif
else
 A=$(ARMOPT)
endif

# either gcc or clang
ifeq ($(shell gcc -v 2>&1|grep -o 'gcc version'),gcc version)
 CC=gcc
 W=-fmax-errors=1
else ifeq ($(shell clang -v 2>&1|grep -o 'clang'|head -1),clang)
 CC=clang
 W=-ferror-limit=1 -Wno-visibility -Wno-shift-op-parentheses
else
 $(error no suitable compiler)
endif
W:=$W -Wno-unused-value -Wno-int-conversion -Wno-parentheses -Wno-pointer-sign


C=@$(CC) -O3 -g -flax-vector-conversions $W -w

all: test

so: *.c *.h
	$C -olibcsv.so ???.c -lm $A -lpthread -shared -fPIC # -undefined dynamic_lookup

bin:
	$C -ocsv main.c -L. -lcsv $A

csv=EQY_US_ALL_TRADE_20201210
col=|QsssifsgijssQQb
out=taq

test: so bin makefile *.c *.h
	@echo
	@uname -a
	@echo
	@LD_LIBRARY_PATH=. ./csv $(csv) "$(col)" $(out)

d:
	LD_LIBRARY_PATH=. lldb --batch --one-line r --one-line-on-crash bt ./csv -- $(csv) "\\$(col)" $(out)

#:~