include config.mk

.PHONY: all prepare log log_test pkg transaction istoreutils install clean static libglacier.a install_static libglacier-ng sha256 gsha256sum libglacier_verify gsign grepo

all: prepare log log_test pkg transaction istoreutils sha256 libglacier_verify gsha256sum gsign grepo
	@echo "libglacier-ng has finished building"

static: prepare log_static pkg_static istoreutils_static libglacier.a

log_static:
	$(CC) $(CFLAGS) -c src/log.c -o build/lib/tmp/log.o

pkg_static:
	$(CC) $(CFLAGS) -c src/pkg.c -o build/lib/tmp/pkg.o

istoreutils_static: pkg_static
	$(CC) $(CFLAGS) -c src/istoreutils.c -o build/lib/tmp/istoreutils.o
	$(CC) $(CFLAGS) -c src/deps.c -o build/lib/tmp/deps.o

libglacier.a:
	ar rcs build/lib/libglacier.a \
		build/lib/tmp/log.o \
		build/lib/tmp/pkg.o \
		build/lib/tmp/istoreutils.o \
		build/lib/tmp/deps.o

prepare:
	mkdir -p build
	mkdir -p build/lib
	mkdir -p build/include
	mkdir -p build/lib/tmp
	mkdir -p build/lib/shared
	mkdir -p build/include/glacier
	mkdir -p build/bin

log:
	$(CC) $(CFLAGS) src/log.c -c -o build/lib/tmp/log.o
	cp src/log.h build/include/glacier/log.h

log_test:
	$(CC) $(CFLAGS) -shared -fPIC src/log.c -o build/lib/shared/libglacier_log.so

sha256:
	$(CC) $(CFLAGS) src/sha256.c -c -o build/lib/tmp/sha256.o

# Monocypher, vendored unmodified (src/monocypher/README): Ed25519 for
# sign.c.
MONOCYPHER = src/monocypher/monocypher.c src/monocypher/monocypher-ed25519.c

libglacier_verify:
	$(CC) $(CFLAGS) -shared -fPIC src/sha256.c src/sign.c $(MONOCYPHER) \
		-o build/lib/shared/libglacier_verify.so

gsha256sum: prepare
	$(CC) $(CFLAGS) src/gsha256sum.c src/sha256.c -o build/bin/gsha256sum

gsign: prepare
	$(CC) $(CFLAGS) src/gsign.c src/sign.c src/log.c $(MONOCYPHER) -o build/bin/gsign

# grepo reads packages (manifest, hash) and signs the index: built
# from source like gsign, so it needs no rpath to the shared objects.
grepo: prepare
	$(CC) $(CFLAGS) src/grepo.c src/sign.c src/sha256.c src/log.c src/pkg.c \
		src/istoreutils.c src/deps.c src/transaction.c $(MONOCYPHER) \
		-larchive -lconfig -o build/bin/grepo

transaction: log istoreutils
	$(CC) $(CFLAGS) -shared -fPIC src/transaction.c \
		-Lbuild/lib/shared -lglacier_istoreutils -lglacier_log \
		-Wl,-rpath,'$$ORIGIN' \
		-o build/lib/shared/libglacier_transaction.so

istoreutils: pkg
	$(CC) $(CFLAGS) -shared -fPIC src/istoreutils.c src/deps.c \
		-Lbuild/lib/shared -lglacier_log -lglacier_pkg -larchive \
		-Wl,-rpath,'$$ORIGIN' \
		-o build/lib/shared/libglacier_istoreutils.so

pkg:
	$(CC) $(CFLAGS) -shared -fPIC src/pkg.c \
		-Lbuild/lib/shared -lglacier_log -lconfig \
		-Wl,-rpath,'$$ORIGIN' \
		-o build/lib/shared/libglacier_pkg.so

libglacier-ng: prepare
	$(CC) $(CFLAGS) -shared -fPIC \
		src/log.c src/pkg.c src/transaction.c src/istoreutils.c src/deps.c \
		-larchive -lconfig \
		-o build/lib/shared/libglacier-ng.so

install:
	mkdir -p $(PREFIX)/lib/glacier/
	install build/lib/shared/libglacier_log.so $(PREFIX)/lib/glacier/ -m 755
	install build/lib/shared/libglacier_istoreutils.so $(PREFIX)/lib/glacier/ -m 755
	install build/lib/shared/libglacier_transaction.so $(PREFIX)/lib/glacier/ -m 755
	install build/lib/shared/libglacier_pkg.so $(PREFIX)/lib/glacier -m 755
	install build/lib/shared/libglacier_verify.so $(PREFIX)/lib/glacier -m 755
	install build/bin/gsha256sum $(PREFIX)/bin/ -m 755
	install build/bin/gsign $(PREFIX)/bin/ -m 755
	install build/bin/grepo $(PREFIX)/bin/ -m 755

install_static:
	mkdir -p $(PREFIX)/lib/glacier
	install build/lib/libglacier.a $(PREFIX)/lib/glacier/ -m 644

clean:
	rm -rf build