prefix?=/usr
bindir=$(prefix)/bin
mandir=$(prefix)/share/man/man1

EXE_EXT=		.exe
EXENAME=		pax$(EXE_EXT)
CC?=				gcc
RM=					rm -f
RMDIR=			rmdir
CP=					cp -f
MV=					mv -f
LN=					ln -s
MKDIR=			mkdir -p
INSTALL=		install

EXTRA_CFLAGS=		-Wall -Wextra -Wformat -fno-strict-aliasing -DPAX_SAFE_PATH=\"/bin:/usr/bin:/usr/local/bin\" -DPAX_FUTIMES=1
EXTRA_LDFLAGS=	-Wl,--as-needed
CFLAGS=					-D__GLIBC__ -O2 -g
CFLAGS+=				${EXTRA_CFLAGS}
CPPFLAGS+=			${EXTRA_CPPFLAGS}
LDFLAGS+=				-lc ${EXTRA_LDFLAGS}

SRCS=		ar.c ar_io.c ar_subs.c buf_subs.c cache.c cpio.c file_subs.c \
				ftree.c gen_subs.c getoldopt.c options.c pat_rep.c pax.c \
				sel_subs.c tables.c tar.c tty_subs.c
OBJS=		$(patsubst %.c,%.o,$(filter %.c,$(SRCS)))

all: $(EXENAME)

%.o: %.c
	@echo compiling $<
	@$(CC) $(CFLAGS) -c -o $@ $<

$(EXENAME): $(OBJS)
	@echo linking $@
	@$(CC) -o $(EXENAME) $(OBJS) $(LDFLAGS)

install:
	@echo installing
	@$(MKDIR) $(DESTDIR)$(bindir)
	@$(INSTALL) -m 755 $(EXENAME) $(DESTDIR)$(bindir)
	@$(LN) $(EXENAME) $(DESTDIR)$(bindir)/paxcpio$(EXE_EXT)
	@$(LN) $(EXENAME) $(DESTDIR)$(bindir)/paxtar$(EXE_EXT)
	@$(MKDIR) $(DESTDIR)$(mandir)
	@$(INSTALL) -m 644 pax.1 $(DESTDIR)$(mandir)
	@$(INSTALL) -m 644 cpio.1 $(DESTDIR)$(mandir)/paxcpio.1
	@$(INSTALL) -m 644 tar.1 $(DESTDIR)$(mandir)/paxtar.1

clean:
	-rm -f *.o $(EXENAME)

.PHONY: binary clean install