Makefile for building OpenResty from source

Makefile

OR_VERSION ?= 1.11.2.2
OR_DL_URL ?= https://openresty.org/download/
OR_SRC_DIR ?= openresty-$(OR_VERSION)
OR_TGZ ?= $(OR_SRC_DIR).tar.gz
OR_PREFIX ?= /opt/openresty/local
OR_PREPARED ?= $(OR_SRC_DIR)/.prepared
OR_VERIFIED ?= $(OR_SRC_DIR)/.verified
OR_PGP_KEY := A0E98066
OR_PGP_FP := 2545 1EB0 8846 0026 195B  D62C B550 E09E A0E9 8066
OR_ENV ?= env-openresty-$(OR_VERSION)
NPROC ?= $$(nproc)

build: $(OR_ENV)

$(OR_ENV): $(OR_VERIFIED)
	cd $(OR_SRC_DIR) && \
	./configure \
	--prefix=$(OR_PREFIX) \
	--with-pcre-jit \
	-j$(NPROC)
	cd $(OR_SRC_DIR) && make -j$(NPROC)
	cd $(OR_SRC_DIR) && make -j$(NPROC) install
	echo "export PATH=$(OR_PREFIX)/bin:$(OR_PREFIX)/nginx/sbin:\$$PATH" > env-openresty-$(OR_VERSION)

$(OR_VERIFIED): $(OR_PREPARED)
	@gpg --list-key $(OR_PGP_KEY) || gpg --keyserver hkp://keys.gnupg.net --recv-keys $(OR_PGP_KEY)
	@gpg --fingerprint $(OR_PGP_KEY) | grep "$(OR_PGP_FP)"
	gpg --verify $(OR_TGZ).asc
	touch $(OR_VERIFIED)

$(OR_PREPARED):
	wget -q -c https://openresty.org/download/$(OR_TGZ)
	wget -q -c https://openresty.org/download/$(OR_TGZ).asc
	tar xzf $(OR_TGZ)
	touch $(OR_PREPARED)

clean:
	rm -fr $(OR_SRC_DIR)

mrproper:
	make clean
	rm -fr $(OR_PREFIX)
	rm -fr $(OR_TGZ) $(OR_TGZ).asc $(OR_ENV)