# expac - an alpm data dump tool
VERSION = $(shell git describe --always)

# paths
PREFIX ?= /usr/local
MANPREFIX ?= ${PREFIX}/share/man

# compiler flags
CC       ?= gcc
CPPFLAGS += -DVERSION=\"${VERSION}\"
CFLAGS   += -std=c99 -g -pedantic -Wall -Wextra -Werror ${CPPFLAGS}
LDFLAGS  += -lalpm

SRC = expac.c
OBJ = ${SRC:.c=.o}

DISTFILES = expac.c README.pod

all: expac doc

.c.o:
	${CC} -c ${CFLAGS} $<

expac: ${OBJ}
	${CC} -o $@ ${OBJ} ${LDFLAGS}

doc: expac.1
expac.1: README.pod
	pod2man --section=1 --center="expac manual" --name="EXPAC" --release="expac ${VERSION}" $< > $@

install: expac
	install -D -m755 expac ${DESTDIR}${PREFIX}/bin/expac
	install -D -m644 expac.1 ${DESTDIR}${MANPREFIX}/man1/expac.1

dist: clean
	mkdir expac-${VERSION}
	cp ${DISTFILES} expac-${VERSION}
	sed "s/^VERSION = .*/VERSION = ${VERSION}/" Makefile > expac-${VERSION}/Makefile
	tar cf - expac-${VERSION} | gzip -9 > expac-${VERSION}.tar.gz
	rm -rf expac-${VERSION}

clean:
	${RM} ${OBJ} expac expac.1

.PHONY: all clean dist doc install doc