# Download and build SQLite3 from source with the options we want.

URL	:= http://sqlite.org/2015/sqlite-autoconf-3080900.tar.gz
OPTIONS	:= --enable-static --disable-shared CFLAGS=-fPIC LDFLAGS=-fPIC

TOP	:= $(shell pwd)
TARBALL	:= ${TOP}/$(notdir ${URL})
BUILD	:= ${TOP}/build
OUTPUT	:= ${BUILD}/sqlite3.h ${BUILD}/.libs/libsqlite3.a ${BUILD}/sqlite3
TARGETS	:= $(notdir ${OUTPUT})

SHA256SUM := $(firstword $(wildcard /usr/local/bin/sha256sum /usr/local/bin/gsha256sum /usr/bin/sha256sum))

all: ${TARGETS}

clean:
	rm -rf ${BUILD} ${TARGETS}

distclean: clean
	rm -f ${TARBALL}

${TARBALL}:
	wget ${URL}

${BUILD}/.build_done: ${TARBALL} GNUmakefile
ifeq "" "${SHA256SUM}"
	@echo "Couldn't find sha256sum, not verifying distribution checksum"
else
	${SHA256SUM} --check Checksums
endif
	rm -rf ${BUILD}
	mkdir ${BUILD}
	cd ${BUILD}; tar -xf ${TARBALL} --strip-components=1
	cd ${BUILD}; ./configure ${OPTIONS}
	cd ${BUILD}; make
	ln -f ${OUTPUT} .
	touch $@

${TARGETS}: ${BUILD}/.build_done