#! /usr/bin/make -f
## rebuild.mk - POP3Lite rebuilder
## Copyright (C) 2000, 2001 Gergely Nagy <8@free.bsd.hu>
##
## This file is part of POP3Lite.
##
## POP3Lite 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.
##
## POP3Lite 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
##
## $Id: rebuild.mk,v 1.42.2.3 2001/05/22 13:23:26 algernon Exp $

##
## macros
##
# This needs to be defined before anything that uses SRCDIR.
define get-src-dir
	for r in . .. ../.. ; do \
		if test -f $$r/rebuild.mk; then \
			echo $$r; \
			exit; \
		fi \
	done; \
	echo .
endef

##
## Variables
##

SRCDIR			= $(shell $(get-src-dir))
BUILDDIR		= $(CURDIR)
CONFIG_FLAGS		= --disable-static
CFLAGS			= -O2
ARCH_FLAGS		= CFLAGS="$(CFLAGS)"
GNU_ROOT		= $(if $(findstring hurd,$(shell uname -a)),,/gnu)
FREEBSD_ROOT		= $(if $(findstring freebsd,$(BUILD)),,/FreeBSD)
FREEBSD_VERSION		= 5.0
VERSION			= $(shell grep "^AC_INIT" $(SRCDIR)/configure.ac | sed -e "s/^AC_INIT.\[pop3lite\], \[\([0-9\.]*\(\-*[a-z]*\)*\)\].*/\1/")
cpu			= i386
target			= linux-gnu
HOST			= $(shell $(SRCDIR)/config.sub $(cpu)-$(target))
BUILD			= $(shell $(SRCDIR)/config.guess)
RPM			= rpm
DPKG_BUILDPACKAGE	= dpkg-buildpackage

FREEBSD_CONFIG_FLAGS	= --with-pgsql-libs=/usr/local/pgsql/lib --with-glib-prefix=/usr/local --with-layout=bsd --with-pgsql-headers=/usr/local/pgsql/include
FREEBSD_ARCH_FLAGS	= GLIB_CONFIG=$(FREEBSD_ROOT)/usr/local/bin/glib12-config
GNU_CONFIG_FLAGS	=
GNU_ARCH_FLAGS		= GLIB_CONFIG=$(GNU_ROOT)/usr/bin/glib-config
LINUX_CONFIG_FLAGS	=
LINUX_ARCH_FLAGS	=

all: default

bootstrap:
	cd $(SRCDIR) && $(MAKE) -f bootstrap.mk bootstrap

src-configure src-Makefile.in \
src-aclocal.m4 src-config.h.in : src-%:
	@cd $(SRCDIR) && $(MAKE) -f bootstrap.mk $*

##
## Targets I use.
## NOTE: These are configure-only targets. You have to supply
## SRCDIR if you are'nt building in the source tree. Also, you
## have to issue a `make all install' command after this too!
##
# I use this one rarely. GDB is really good at debugging optimised code
# -pg is pretty useless too IMHO.
debug: src-configure
	CFLAGS="-O0 -g3 -pg $(CFLAGS)" $(SRCDIR)/configure $(CONFIG_FLAGS) \
		--with-layout=algernon \
		--enable-test-modules \
		--enable-cxx-warnings \
		--enable-compile-warnings \
		--enable-maintainer-mode \
		--enable-debugging \
		--enable-iso-c

# This is the one I actually use
default: src-configure
	CFLAGS="-g3 $(CFLAGS)" \
		$(SRCDIR)/configure $(CONFIG_FLAGS) \
			--with-layout=algernon \
			--enable-test-modules \
			--enable-cxx-warnings \
			--enable-iso-c \
			--enable-compile-warnings \
			--enable-maintainer-mode \
			--enable-debugging \
			--with-builtin-modules=connectlog,mailbox

# This is for people who want the best possible code
# Debugging off, optimisations on
optimised: src-configure
	CFLAGS="$(CFLAGS) -O3 -mcpu=$(shell uname -m) -march=$(shell uname -m)" \
		$(SRCDIR)/configure $(CONFIG_FLAGS) \
			--disable-test-modules \
			--enable-compile-warnings \
			--disable-debugging \
			--with-builtin-modules=pam,mailbox,connectlog

##
## release target & dependencies
## NOTE: rel-source is called by rel-debian and/or rel-redhat!
##
release: release-clean rel-linux-gnu rel-gnu rel-freebsd rel-debian rel-redhat

build-release/debian build-release/freebsdelf4.0 build-release/gnu \
build-release/linux-gnu:
	install -d $@

rel-source build-release/pop3lite-$(VERSION).tar.gz: build-release/linux-gnu/Makefile
	$(MAKE) -C build-release/linux-gnu cvs-dist
	cp build-release/linux-gnu/pop3lite-*.tar.gz build-release/

rel-debian-prep: build-release/debian \
		 build-release/pop3lite-$(VERSION).tar.gz
	cd build-release/debian && tar xzf ../pop3lite-$(VERSION).tar.gz

rel-debian: rel-debian-hurd rel-debian-i386

rel-debian-hurd: rel-debian-prep
	cd build-release/debian/pop3lite-$(VERSION) && $(DPKG_BUILDPACKAGE) -ahurd-i386

rel-debian-i386: rel-debian-prep
	cd build-release/debian/pop3lite-$(VERSION) && $(DPKG_BUILDPACKAGE)

rel-redhat: build-release/pop3lite-$(VERSION).tar.gz
	$(RPM) -tb --sign build-release/pop3lite-$(VERSION).tar.gz

rel-linux-gnu:
	$(MAKE) -f $(SRCDIR)/rebuild.mk release-part target=linux-gnu \
		ARCH_FLAGS="$(LINUX_ARCH_FLAGS)" \
		CONFIG_FLAGS="$(LINUX_CONFIG_FLAGS) $(CONFIG_FLAGS)"

rel-gnu:
	$(MAKE) -f $(SRCDIR)/rebuild.mk release-part target=gnu \
		ARCH_FLAGS="$(GNU_ARCH_FLAGS)" \
		CONFIG_FLAGS="$(GNU_CONFIG_FLAGS) $(CONFIG_FLAGS)"

rel-freebsd:
	$(MAKE) -f $(SRCDIR)/rebuild.mk release-part target=freebsdelf$(FREEBSD_VERSION) \
		ARCH_FLAGS="$(FREEBSD_ARCH_FLAGS)" \
		CONFIG_FLAGS="$(FREEBSD_CONFIG_FLAGS) $(CONFIG_FLAGS)"

# release-part & co
release-part: part-intro $(SRCDIR)/configure build-release/$(target) \
	      build-release/$(target)/pop3lite-$(VERSION).bin.$(HOST).tar.gz

# This always is run
part-intro:
	@echo '**** Building $(target) ****'

# This must be run by hand
part-distclean: build-release/$(target)
	-test -f build-release/$(target)/Makefile && ( $(MAKE) -C build-release/$(target) distclean || true )

# This is run by part-build when the required Makefile does
# not exist
build-release/%/Makefile:
	install -d build-release/$*
	rm -f build-release/$*/patch-stamp
	cd build-release/$* && $(ARCH_FLAGS) \
		../../configure $(CONFIG_FLAGS) --build=$(BUILD) \
						--host=$(cpu)-$*

# This is run by part-dist when the daemon
# is not compiled yet
build-release/%/src/pop3lite: build-release/%/Makefile
	$(MAKE) -f $(SRCDIR)/rebuild.mk patch-hook-$* target=$* || true
	$(MAKE) -C build-release/$* all

# This is always run by release-part
build-release/%/pop3lite-$(VERSION).bin.$(HOST).tar.gz: build-release/%/src/pop3lite
	$(MAKE) -C build-release/$* bin-dist
	cp build-release/$*/pop3lite-*.tar.gz build-release/

##
## clean & install targets
##
release-clean:
	rm -Rf build-release

build-release/%/clean:
	rm -Rf $(shell echo "$@" | sed -e "s,/clean,,")

##
## hooks
##
patch-hook-freebsdelf$(FREEBSD_VERSION): build-release/$(target)/patch-stamp
	patch -f --no-backup-if-mismatch -d build-release/$(target) -p0 -N <$(SRCDIR)/dist/libtool-freebsd-cross.diff
	touch build-release/$(target)/patch-stamp

##
## special rules
##
.DEFAULT:
	@echo '*** Error: target not supported: $@'

.PHONY: default release-part release debug optimised rel-linux-gnu rel-gnu \
	rel-freebsd release-clean req rel-source rel-debian rel-redhat \
	part-intro part-distclean patch-hook-freebsdelf4.0 rel-debian-prep \
	rel-debian-hurd rel-debian-i386 boostrap src-configure src-Makefile.in \
	src-aclocal.m4 src-config.h.in

# This is here to avoid deletion of build-release/$*/src/pop3lite & co
.PRECIOUS: % build-release/$(target)/src/pop3lite build-release/$(target)/Makefile