# integrit - file integrity verification system
# Copyright (C) 2006 Ed L. Cashin
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
# 

# autoconf stuff for possible future recursive makes
@SET_MAKE@

prefix		 = @prefix@
exec_prefix	 = @exec_prefix@
srcdir		 = @srcdir@
# we aren't using VPATH
# VPATH		 = @srcdir@
CC	 = @CC@
PROG	 = integrit
SBINDIR	 = @sbindir@
INSTALL	 = @INSTALL@
OBJ	 = @OBJ@
ILIBOBJ	 = @ILIBOBJ@
CPPFLAGS = -I. -I$(srcdir) -I$(srcdir)/hashtbl @CPPFLAGS@
CFLAGS	 = @CFLAGS@
LDFLAGS	 = -L. -Lhashtbl @STATIC@ @LDFLAGS@
LIBS	 = @LIBS@ -lhashtbl -lintegrit
DEFS	 = @DEFS@ @EXTRA_DEFS@
STRIP	 = @STRIP@
ILIBOBJ	 = @ILIBOBJ@
RANLIB	 = @RANLIB@
# syncing is the job of the O.S., and users can always do "make; sync"
# SYNC	 = @SYNC@
AR	 = @AR@
RM	 = @RM@
.PHONY	: clean test dep

COMPILE = \$${CC} \$${CPPFLAGS} \$${CFLAGS} \$${DEFS} -o \$$@ -c # \$$<

$(PROG) : $(OBJ) libintegrit.a hashtbl/libhashtbl.a
	$(CC) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)

libintegrit.a : ${ILIBOBJ}
	${AR} r $@ ${ILIBOBJ}
	${RANLIB} $@

# for old-timers
aux : 
	@echo 
	@echo '"aux" has changed to "utils".  Please do a "$(MAKE) utils".'

utils	: libintegrit.a
	@printf ' >>> making auxiliary tools: '
	cd utils && $(MAKE)

hashtbl/libhashtbl.a : hashtbl/Makefile
	@printf ' >>> making the hashtbl library: '
	cd hashtbl && $(MAKE)

# many makes won't do pattern rules
# GNU make ignores rules like "foo.o : gnupg/foo.c" without commands
# Solaris make doesn't interpolate $< on such rules when they have commands
# finding the lowest common denominator is not easy!
# 
dep : $(srcdir)/dep.mak
$(srcdir)/dep.mak ::
	@printf ' >>> recording dependencies for integrit: '
	cd ${srcdir} \
	&& echo '# generated by Makefile' > dep.mak \
	&& { hfiles=; hdeps=; for f in *.c gnupg/*.c; do \
	  hfiles=`sed -n 's/^#include[ 	][ 	]*[<"]\(.*\.h\)[">].*/\1/p' $$f | xargs`; \
	  hdeps=; \
	  for h in $$hfiles; do \
	    if test ! $$h = config.h; then \
	      if test -r $$h; then \
	        hdeps="$$hdeps \$${srcdir}/$$h"; \
	      elif test -r gnupg/$$h; then \
	        hdeps="$$hdeps \$${srcdir}/gnupg/$$h"; \
	      elif test -r hashtbl/$$h; then \
	        hdeps="$$hdeps \$${srcdir}/hashtbl/$$h"; \
	      fi; \
	    fi; \
	  done; \
	  obj=`echo $$f | sed -e 's/^gnupg\///' -e 's/\.c\$$/.o/'`; \
	  printf "%s\n\t%s\n" \
	    "$$obj : \$${srcdir}/$$f $$hdeps Makefile" \
	    "${COMPILE} \$${srcdir}/$$f"; \
	done >> dep.mak; }

include $(srcdir)/dep.mak

# .c.o :
# 	${CC} ${CPPFLAGS} ${CFLAGS} ${DEFS} -o $@ -c $<

clean	: 
	$(RM) -f $(OBJ) $(ILIBOBJ) $(PROG) libintegrit.a
	cd utils && $(MAKE) $@
	cd hashtbl && $(MAKE) $@

realclean : clean
	$(RM) -f *~ core a.out bug-report.tar.gz

distclean : clean 
	cd utils && $(MAKE) $@
	cd hashtbl && $(MAKE) $@
	cd doc && $(MAKE) distclean
	$(RM) -f config.cache config.status config.log config.h \
	  stdint.h hashtbl/stdint.h
	$(RM) -f Makefile
	$(RM) -rf autom4te.cache hashtbl/autom4te.cache

# (distready is for developers
# currently it builds info, dep.mak, and configure files)
distready : $(srcdir)/dep.mak
	cd utils && $(MAKE) $@
	cd doc && $(MAKE) $@
	cd hashtbl && $(MAKE) $@
	cd $(srcdir)/test && for f in *.m4; do \
	  name=`echo $$f | sed 's/\.m4$$//'`; \
	  m4 $$f > $$name; \
	done
	autoconf

test :: $(PROG)
	$(srcdir)/test/test

install : $(PROG)
	@printf ' >>> installing documentation: '
	cd doc && $(MAKE) $@
	@if test -r utils/i-viewdb; then \
	  echo installing auxiliary programs; \
	  cd utils && $(MAKE) $@; \
	fi
	@if test ! -d $(SBINDIR); then \
	  echo creating directory $(SBINDIR); \
	  $(INSTALL) -d -m 755 $(SBINDIR); \
	fi
	$(INSTALL) $(STRIP) -m 755 $(PROG) $(SBINDIR)/$(PROG)
	@echo
	@echo 'It is recommended that the binary be copied to a secure location and'
	@echo "  re-copied to $(SBINDIR) at runtime or run directly"
	@echo "  from the secure medium."