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

lib_objs    = decoder.o encoder.o lzlib.o
sh_lib_objs = sh_decoder.o sh_encoder.o sh_lzlib.o
objs        = arg_parser.o main.o


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

all : $(progname) $(progname_shared)

lib$(libname).a: $(lib_objs)
	$(AR) -rcs $@ $^

lib$(libname).so.$(pkgversion) : $(sh_lib_objs)
	$(CXX) -shared -Wl,--soname=lib$(libname).so.$(soversion) -o $@ $^

$(progname) : $(objs) lib$(libname).a
	$(CXX) $(LDFLAGS) -o $@ $^

$(progname)_shared : $(objs) lib$(libname).so.$(pkgversion)
	$(CXX) $(LDFLAGS) -o $@ $^

$(progname)_profiled : $(objs) lib$(libname).a
	$(CXX) $(LDFLAGS) -pg -o $@ $^

bbexample : bbexample.o lib$(libname).a
	$(CXX) $(LDFLAGS) -o $@ $^

lzcheck : lzcheck.o lib$(libname).a
	$(CXX) $(LDFLAGS) -o $@ $^

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

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

sh_decoder.o : decoder.cc
	$(CXX) -fpic -fPIC $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<

sh_encoder.o : encoder.cc
	$(CXX) -fpic -fPIC $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<

sh_lzlib.o : lzlib.cc
	$(CXX) -fpic -fPIC $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<

$(lib_objs)    : Makefile lzlib.h lzip.h
$(sh_lib_objs) : Makefile lzlib.h lzip.h
$(objs)        : Makefile
arg_parser.o   : arg_parser.h
decoder.o      : decoder.h
encoder.o      : encoder.h
lzlib.o        : decoder.h encoder.h
sh_decoder.o   : decoder.h
sh_encoder.o   : encoder.h
sh_lzlib.o     : decoder.h encoder.h
main.o         : arg_parser.h lzlib.h
bbexample.o    : Makefile lzlib.h
lzcheck.o      : Makefile lzlib.h


doc : info man

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

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

man : $(VPATH)/doc/$(progname).1

$(VPATH)/doc/$(progname).1 : $(progname)
	help2man -n 'reduces the size of files' \
	  -o $@ --no-info ./$(progname)

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

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

install : all install-info
	if [ ! -d "$(DESTDIR)$(includedir)" ] ; then $(INSTALL_DIR) "$(DESTDIR)$(includedir)" ; fi
	if [ ! -d "$(DESTDIR)$(libdir)" ] ; then $(INSTALL_DIR) "$(DESTDIR)$(libdir)" ; fi
	$(INSTALL_DATA) $(VPATH)/$(libname)lib.h "$(DESTDIR)$(includedir)/$(libname)lib.h"
	$(INSTALL_DATA) ./lib$(libname).a "$(DESTDIR)$(libdir)/lib$(libname).a"
	if [ -n "$(progname_shared)" ] ; then \
	  $(INSTALL_PROGRAM) ./lib$(libname).so.$(pkgversion) "$(DESTDIR)$(libdir)/lib$(libname).so.$(pkgversion)" ; \
	  if [ -e "$(DESTDIR)$(libdir)/lib$(libname).so.$(soversion)" ] ; then \
	    run_ldconfig=no ; rm -f "$(DESTDIR)$(libdir)/lib$(libname).so.$(soversion)" ; \
	  else run_ldconfig=yes ; \
	  fi ; \
	  cd "$(DESTDIR)$(libdir)" && ln -s lib$(libname).so.$(pkgversion) lib$(libname).so.$(soversion) ; \
	  if [ $${run_ldconfig} = yes ] ; then $(LDCONFIG) "$(DESTDIR)$(libdir)" ; fi ; \
	fi

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) $(VPATH)/doc/$(progname).1 "$(DESTDIR)$(mandir)/man1/$(progname).1"

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

uninstall : uninstall-info uninstall-man
	-rm -f "$(DESTDIR)$(includedir)/$(libname)lib.h"
	-rm -f "$(DESTDIR)$(libdir)/lib$(libname).a"
	-rm -f "$(DESTDIR)$(libdir)/lib$(libname).so.$(soversion)"
	-rm -f "$(DESTDIR)$(libdir)/lib$(libname).so.$(pkgversion)"

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/$(progname).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 \
	  $(DISTNAME)/doc/$(pkgname).info \
	  $(DISTNAME)/doc/$(pkgname).texinfo \
	  $(DISTNAME)/testsuite/check.sh \
	  $(DISTNAME)/testsuite/test.txt \
	  $(DISTNAME)/testsuite/test_sync.lz \
	  $(DISTNAME)/testsuite/test_v[01].lz \
	  $(DISTNAME)/*.h \
	  $(DISTNAME)/*.cc
	rm -f $(DISTNAME)
	lzip -v -9 $(DISTNAME).tar

clean :
	-rm -f $(progname) $(progname)_profiled $(objs)
	-rm -f $(progname)_shared $(sh_lib_objs) *.so.$(pkgversion)
	-rm -f bbexample bbexample.o lzcheck lzcheck.o $(lib_objs) *.a

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