DISTNAME = $(pkgname)-$(pkgversion)
INSTALL = install
INSTALL_PROGRAM = $(INSTALL) -p -m 755
INSTALL_SCRIPT = $(INSTALL) -p -m 755
INSTALL_DATA = $(INSTALL) -p -m 644
INSTALL_DIR = $(INSTALL) -d -m 755
SHELL = /bin/sh

objs = arg_parser.o zutils.o main.o
zcmp_objs = arg_parser.o zutils.o zcmp.o
zdiff_objs = arg_parser.o zutils.o zdiff.o
scripts = zcat zegrep zfgrep zgrep ztest


.PHONY : all install install-bin install-info install-man install-strip \
         uninstall uninstall-bin uninstall-info uninstall-man \
         doc info man check dist clean distclean

all : $(progname) zcmp zdiff $(scripts)

$(progname) : $(objs)
	$(CXX) $(LDFLAGS) -o $@ $(objs)

$(progname)_profiled : $(objs)
	$(CXX) $(LDFLAGS) -pg -o $@ $(objs)

zcat : zcat.in
	cat $(VPATH)/zcat.in > $@
	chmod a+x zcat

zcmp : $(zcmp_objs)
	$(CXX) $(LDFLAGS) -o $@ $(zcmp_objs)

zdiff : $(zdiff_objs)
	$(CXX) $(LDFLAGS) -o $@ $(zdiff_objs)

zegrep : zegrep.in
	cat $(VPATH)/zegrep.in > $@
	chmod a+x zegrep

zfgrep : zfgrep.in
	cat $(VPATH)/zfgrep.in > $@
	chmod a+x zfgrep

zgrep : zgrep.in
	cat $(VPATH)/zgrep.in > $@
	chmod a+x zgrep

ztest : ztest.in
	cat $(VPATH)/ztest.in > $@
	chmod a+x ztest

main.o : main.cc
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DGREP=\"$(GREP)\" -c -o $@ $<

zdiff.o : zdiff.cc
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DDIFF=\"$(DIFF)\" -c -o $@ $<

zutils.o : zutils.cc
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DPROGVERSION=\"$(pkgversion)\" -c -o $@ $<

%.o : %.cc
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<

$(objs)      : Makefile
$(scripts)   : Makefile
arg_parser.o : arg_parser.h
main.o       : arg_parser.h zutils.h zcat.cc zgrep.cc ztest.cc
zcmp.o       : arg_parser.h zutils.h zcmpdiff.cc Makefile
zdiff.o      : arg_parser.h zutils.h zcmpdiff.cc Makefile
zutils.o     : zutils.h


doc : info man

info : $(VPATH)/doc/$(pkgname).info

$(VPATH)/doc/$(pkgname).info : $(VPATH)/doc/$(pkgname).texinfo
	cd $(VPATH)/doc && makeinfo $(pkgname).texinfo

man : $(VPATH)/doc/zcat.1 $(VPATH)/doc/zcmp.1 $(VPATH)/doc/zdiff.1 \
      $(VPATH)/doc/zgrep.1 $(VPATH)/doc/ztest.1

$(VPATH)/doc/zcat.1 : $(progname) zcat
	help2man -n 'decompress and concatenate files to standard output' \
	  -o $@ --no-info ./zcat

$(VPATH)/doc/zcmp.1 : zcmp
	help2man -n 'decompress and compare two files byte by byte' \
	  -o $@ --no-info ./zcmp

$(VPATH)/doc/zdiff.1 : zdiff
	help2man -n 'decompress and compare two files line by line' \
	  -o $@ --no-info ./zdiff

$(VPATH)/doc/zgrep.1 : $(progname) zgrep
	help2man -n 'search compressed files for a regular expression' \
	  -o $@ --no-info ./zgrep

$(VPATH)/doc/ztest.1 : $(progname) ztest
	help2man -n 'verify integrity of compressed files' \
	  -o $@ --no-info ./ztest

Makefile : $(VPATH)/configure $(VPATH)/Makefile.in
	./config.status

check : all
	@$(VPATH)/testsuite/check.sh $(VPATH)/testsuite $(pkgversion)

install : install-bin install-info install-man

install-bin : all
	if [ ! -d "$(DESTDIR)$(bindir)" ] ; then $(INSTALL_DIR) "$(DESTDIR)$(bindir)" ; fi
	$(INSTALL_PROGRAM) ./$(progname) "$(DESTDIR)$(bindir)/$(progname)"
	$(INSTALL_SCRIPT) ./zcat "$(DESTDIR)$(bindir)/zcat"
	$(INSTALL_PROGRAM) ./zcmp "$(DESTDIR)$(bindir)/zcmp"
	$(INSTALL_PROGRAM) ./zdiff "$(DESTDIR)$(bindir)/zdiff"
	$(INSTALL_SCRIPT) ./zegrep "$(DESTDIR)$(bindir)/zegrep"
	$(INSTALL_SCRIPT) ./zfgrep "$(DESTDIR)$(bindir)/zfgrep"
	$(INSTALL_SCRIPT) ./zgrep "$(DESTDIR)$(bindir)/zgrep"
	$(INSTALL_SCRIPT) ./ztest "$(DESTDIR)$(bindir)/ztest"

install-info :
	if [ ! -d "$(DESTDIR)$(infodir)" ] ; then $(INSTALL_DIR) "$(DESTDIR)$(infodir)" ; fi
	$(INSTALL_DATA) $(VPATH)/doc/$(pkgname).info "$(DESTDIR)$(infodir)/$(pkgname).info"
	-install-info --info-dir="$(DESTDIR)$(infodir)" "$(DESTDIR)$(infodir)/$(pkgname).info"

install-man :
	if [ ! -d "$(DESTDIR)$(mandir)/man1" ] ; then $(INSTALL_DIR) "$(DESTDIR)$(mandir)/man1" ; fi
	$(INSTALL_DATA) $(VPATH)/doc/zcat.1 "$(DESTDIR)$(mandir)/man1/zcat.1"
	$(INSTALL_DATA) $(VPATH)/doc/zcmp.1 "$(DESTDIR)$(mandir)/man1/zcmp.1"
	$(INSTALL_DATA) $(VPATH)/doc/zdiff.1 "$(DESTDIR)$(mandir)/man1/zdiff.1"
	$(INSTALL_DATA) $(VPATH)/doc/zgrep.1 "$(DESTDIR)$(mandir)/man1/zgrep.1"
	$(INSTALL_DATA) $(VPATH)/doc/ztest.1 "$(DESTDIR)$(mandir)/man1/ztest.1"

install-strip : all
	$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install

uninstall : uninstall-bin uninstall-info uninstall-man

uninstall-bin :
	-rm -f "$(DESTDIR)$(bindir)/$(progname)"
	-rm -f "$(DESTDIR)$(bindir)/zcat"
	-rm -f "$(DESTDIR)$(bindir)/zcmp"
	-rm -f "$(DESTDIR)$(bindir)/zdiff"
	-rm -f "$(DESTDIR)$(bindir)/zegrep"
	-rm -f "$(DESTDIR)$(bindir)/zfgrep"
	-rm -f "$(DESTDIR)$(bindir)/zgrep"
	-rm -f "$(DESTDIR)$(bindir)/ztest"

uninstall-info :
	-install-info --info-dir="$(DESTDIR)$(infodir)" --remove "$(DESTDIR)$(infodir)/$(pkgname).info"
	-rm -f "$(DESTDIR)$(infodir)/$(pkgname).info"

uninstall-man :
	-rm -f "$(DESTDIR)$(mandir)/man1/zcat.1"
	-rm -f "$(DESTDIR)$(mandir)/man1/zcmp.1"
	-rm -f "$(DESTDIR)$(mandir)/man1/zdiff.1"
	-rm -f "$(DESTDIR)$(mandir)/man1/zgrep.1"
	-rm -f "$(DESTDIR)$(mandir)/man1/ztest.1"

dist : doc
	ln -sf $(VPATH) $(DISTNAME)
	tar -cvf $(DISTNAME).tar \
	  $(DISTNAME)/AUTHORS \
	  $(DISTNAME)/COPYING \
	  $(DISTNAME)/ChangeLog \
	  $(DISTNAME)/INSTALL \
	  $(DISTNAME)/Makefile.in \
	  $(DISTNAME)/NEWS \
	  $(DISTNAME)/README \
	  $(DISTNAME)/configure \
	  $(DISTNAME)/doc/*.1 \
	  $(DISTNAME)/doc/$(pkgname).info \
	  $(DISTNAME)/doc/$(pkgname).texinfo \
	  $(DISTNAME)/testsuite/check.sh \
	  $(DISTNAME)/testsuite/test.txt \
	  $(DISTNAME)/testsuite/test.txt.tar \
	  $(DISTNAME)/*.h \
	  $(DISTNAME)/*.cc \
	  $(DISTNAME)/z*.in
	rm -f $(DISTNAME)
	lzip -v -9 $(DISTNAME).tar

clean :
	-rm -f $(progname) $(progname)_profiled $(objs)
	-rm -f zcmp zcmp.o zdiff zdiff.o $(scripts)

distclean : clean
	-rm -f Makefile config.status *.tar *.tar.lz