#!/usr/bin/make -f

###############################################################################
##
## 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
##
###############################################################################


## Portions liberally borrowed from:
## http://women.alioth.debian.org/wiki/index.php/English/BuildingWithoutHelper

## Also borrowed heavily from the 'hello' package

package = treecc
docdir = debian/tmp/usr/share/doc/$(package)

CC = gcc
CFLAGS = -g -Wall
INSTALL_PROGRAM = install

ifeq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
  CFLAGS += -O2
endif
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
  INSTALL_PROGRAM += -s
endif


define checkdir
	@test -f debian/rules -a -f main.c ||   	(echo Not in correct source directory; exit 1)
endef

define checkroot
	@test $$(id -u) = 0 || (echo need root priviledges; exit 1)
endef

# Top directory of the source code (thanks Manoj)
SRCTOP    := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
# Destination directory where files will be installed
DESTDIR    = $(SRCTOP)/debian/$(package)


# Definition of directories
BIN_DIR = $(DESTDIR)/usr/bin
SHARE_DIR = $(DESTDIR)/usr/share/treecc
DOCS_DIR = $(DESTDIR)/usr/share/doc/treecc
MAN_DIR = $(DESTDIR)/usr/share/man/man1



## Stamp rules

configure-stamp:
	$(checkdir)
	./configure --host=$(DEB_HOST_GNU_TYPE) --build=$(DEB_BUILD_GNU_TYPE) --prefix=/usr --mandir=\$${prefix}/share/man --infodir=\$${prefix}/share/info
	touch configure-stamp

build-stamp: configure-stamp
	$(checkdir)
	-rm -f build-stamp
	$(MAKE)
	touch build-stamp

## Debian rules

build: build-stamp

clean: 
	$(checkroot)
	$(checkdir)
	-rm -f *-stamp
	-$(MAKE) -i distclean
	-rm -rf debian/$(package)
	-rm -f debian/files
	-rm -f debian/substvars

binary-indep: build
# There are no architecture-independent files to be uploaded
# generated by this package.  If there were any they would be
# made here.

# Definitions for install
INST_OWN = -o root -g root
MAKE_DIR  = install -p -d $(INST_OWN) -m 755
INST_FILE = install -c    $(INST_OWN) -m 644
INST_PROG = $(INSTALL_PROGRAM) -c    $(INST_OWN) -m 755
INST_SCRIPT = install -c  $(INST_OWN) -m 755



binary-arch: build
	$(checkdir)
	$(checkroot)

	# Install program
	$(MAKE) install DESTDIR=$(DESTDIR)

	# Run program test suite
	$(MAKE) check

	# Install program resources
	$(MAKE_DIR) $(SHARE_DIR)

	# Create directory for debian metadata
	# This doesn't show up in the final binary .deb as a directory
	# We will install various packaging data in here as it is built
	$(MAKE_DIR) $(DESTDIR)/DEBIAN

	# Install docs
	# The debianchangelog & copyright are always installed
	$(MAKE_DIR) $(DOCS_DIR)
	$(INST_FILE) debian/copyright $(DOCS_DIR)/copyright
	$(INST_FILE) debian/changelog $(DOCS_DIR)/changelog.Debian
	$(INST_FILE) ChangeLog $(DOCS_DIR)/changelog
	$(INST_FILE) README $(DOCS_DIR)/README
	$(INST_FILE) AUTHORS $(DOCS_DIR)/AUTHORS
	$(INST_FILE) NEWS $(DOCS_DIR)/NEWS

	# Install package scripts	
	# The postinst runs after the package is installed, prerm before it is removed
	# Details of this are at http://women.alioth.debian.org/wiki/index.php/English/MaintainerScripts
	$(INST_SCRIPT) debian/postinst $(DESTDIR)/DEBIAN
	$(INST_SCRIPT) debian/prerm $(DESTDIR)/DEBIAN

	# Compress docs 
	gzip -9 $(DOCS_DIR)/changelog.Debian $(DOCS_DIR)/changelog
	gzip -r9 $(DESTDIR)/usr/share/man
	gzip -r9 $(DESTDIR)/usr/share/info

	# Work out the shared library dependancies
	# This goes into debian/substvars
	# See man 1 dpkg-source for details
	dpkg-shlibdeps $(package)

	# Generate the control file 
	# -isp : Includes Section & Priority for each binary package
	# -P   : Use $(DESTDIR) instead of debian/tmp
	dpkg-gencontrol	-isp -P$(DESTDIR)

	# Make DEBIAN/md5sums
	# The DEBIAN/md5sums file lists the md5sums of each file in the package, excluding files in DEBIAN/
	# These files are used by the debsums package.

	cd $(DESTDIR) && find . -type f ! -regex '.*DEBIAN/.*' -printf '%P\0' | xargs -r0 md5sum > DEBIAN/md5sums 

	# Create the .deb package
	# This is an ar archive, containing 2 tarballs & a file stating the debian packaging system version
	#  ar t ~/debian/pbuilder/result/treecc_0.3.6-0ubuntu1_i386.deb
	#   debian-binary 
	#   control.tar.gz
	#   data.tar.gz
	dpkg-deb -b $(DESTDIR) ../



binary: binary-indep binary-arch

.PHONY: binary binary-arch binary-indep clean build