# Makefile
# simple make settings
#
# This file is part of chiark backup, a system for backing up GNU/Linux and
# other UN*X-compatible machines, as used on chiark.greenend.org.uk.
#
# chiark backup is:
#  Copyright (C) 1997-1998,2000-2001 Ian Jackson <ian@chiark.greenend.org.uk>
#  Copyright (C) 1999 Peter Maydell <pmaydell@chiark.greenend.org.uk>
#
# This 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, or (at your option) any later version.
#
# This 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.

CC=		gcc
CFLAGS=		$(WARNINGS) $(OPTIMISE) $(DEBUG)
CPPFLAGS=	-DRWBUFFER_SIZE_MB=$(RWBUFFER_SIZE_MB)

WARNINGS=	-Wall -Wwrite-strings -Wmissing-prototypes \
		-Wstrict-prototypes -Wpointer-arith
OPTIMISE=	-O2
DEBUG=		-g
RWBUFFER_SIZE_MB=16

prefix=/usr/local
etcdir=/etc
varlib=/var/lib

confdir=$(etcdir)/chiark-backup
bindir=$(prefix)/bin
sharedir=$(prefix)/share/chiark-backup
txtdocdir=$(prefix)/share/doc/chiark-backup
exampledir=$(txtdocdir)/examples
vardir=$(varlib)/chiark-backup
mandir=${prefix}/man
man1dir=${mandir}/man1

INSTALL=		install -c
INSTALL_SHARE=		$(INSTALL) -m 644 -o root -g root
INSTALL_SCRIPT=		$(INSTALL) -m 755 -o root -g root
INSTALL_PROGRAM=	$(INSTALL_SCRIPT) -s
INSTALL_DIRECTORY=	$(INSTALL) -m 2755 -o root -g root -d

CTARGETS=	readbuffer writebuffer
BINSCRIPTS=	checkallused loaded driver takedown whatsthis labeltape
SHARESCRIPTS=	bringup full increm
SHAREFILES=	backuplib.pl

EXAMPLES=	relativity chiark

all:		$(CTARGETS)

readbuffer:				readbuffer.o rwbuffer.o
writebuffer:				writebuffer.o rwbuffer.o
readbuffer.o writebuffer.o rwbuffer.o:	rwbuffer.h

install:		all
		$(INSTALL_DIRECTORY) $(confdir) $(bindir) $(sharedir) $(vardir) $(man1dir)
		$(INSTALL_PROGRAM) $(CTARGETS) $(bindir)
		set -e; for s in $(BINSCRIPTS); do \
			$(INSTALL_SCRIPT) $$s $(bindir)/backup-$$s; done
		$(INSTALL_SHARE) $(SHAREFILES) $(sharedir)
		$(INSTALL_SCRIPT) $(SHARESCRIPTS) $(sharedir)
		$(INSTALL) -m 644 readbuffer.1 ${man1dir}/readbuffer.1
		$(INSTALL) -m 644 writebuffer.1 ${man1dir}/writebuffer.1

install-docs:
		$(INSTALL_DIRECTORY) $(txtdocdir)
		$(INSTALL_SHARE) iwjbackup.txt $(txtdocdir)/README

install-examples:
		set -e; for e in $(EXAMPLES); do \
			cd examples/$$e; \
			$(INSTALL_DIRECTORY) $(exampledir)/$$e; \
			$(INSTALL_SHARE) [^A-Z]*[^~] $(exampledir)/$$e; \
			if test -f SYMLINKS.tar; then \
				exec <SYMLINKS.tar; \
				(set -e; cd $(exampledir) && tar -xf -); \
			fi; \
			cd ../..; \
		done

clean:
		rm -f *~ ./#*# *.o

distclean realclean:	clean
		rm -f $(CTARGETS)