#!/usr/bin/make -f
# -*- makefile -*-

DEB_HOST_ARCH_OS	?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)

# Determine host architecture compiler
DEB_HOST_GNU_TYPE	?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
ifeq ($(origin CC),default)
CC := $(DEB_HOST_GNU_TYPE)-gcc
endif

# Determine build architecture compiler
DEB_BUILD_GNU_TYPE	?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
NATIVE_CC		?= $(DEB_BUILD_GNU_TYPE)-gcc

export SHELL = bash

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))

	# Do not mess with MAKEFLAGS until we transfer control to BSD make (see below)
	BSD_MAKEFLAGS += -j$(NUMJOBS)
endif

DESTDIR = $(CURDIR)/debian/tmp
PATH := /usr/lib/freebsd:$(PATH)
PMAKE := \
	MAKEFLAGS=$(BSD_MAKEFLAGS) \
	MAKEOBJDIRPREFIX=$(CURDIR)/obj-deb \
	CFLAGS="$(CFLAGS) -O2" \
	DESTDIR="$(DESTDIR)" \
	bmake -m /usr/share/mk-freebsd \
	CC=$(CC) \
	$(NULL)
PMAKE_UDEB := \
	MAKEFLAGS=$(BSD_MAKEFLAGS) \
	MAKEOBJDIRPREFIX=$(CURDIR)/obj-udeb \
	CFLAGS="$(CFLAGS) -Os" \
	DESTDIR="$(DESTDIR)-udeb" \
	bmake -m /usr/share/mk-freebsd \
	CC=$(CC) \
	RESCUE=yes \
	$(NULL)

clean:
	dh_testdir
	rm -rf obj-{deb,udeb} debian/tmp-udeb
	rm -f include/machine/__get_elf_arch.h src/get_elf_arch src/host_elf_arch
	dh_clean

# Build this for the build architecture, as it is executed during build
# to examine host_elf_arch
src/get_elf_arch:
	$(NATIVE_CC) src/get_elf_arch.c -o src/get_elf_arch
# Build this for the host architecture.
src/host_elf_arch: src/host_elf_arch.c
include/machine/__get_elf_arch.h: src/get_elf_arch src/host_elf_arch
	$^ src/host_elf_arch > $@

build: build-arch
build-arch: build-deb build-udeb

build-deb: include/machine/__get_elf_arch.h
	$(PMAKE) obj
	$(PMAKE)

build-udeb: include/machine/__get_elf_arch.h
	$(PMAKE_UDEB) obj
	$(PMAKE_UDEB)

build-indep:
	:

install-arch: build-arch
	dh_testdir
	dh_testroot
	dh_prep -a
	dh_installdirs -a
	mkdir -p $(DESTDIR){,-udeb}/{usr/,}lib

	$(PMAKE) install
	$(PMAKE_UDEB) install

	echo "GROUP( libexpat.so )" > \
		$(DESTDIR)/usr/lib/libbsdxml.so
	ln -s $(DEB_HOST_GNU_TYPE)/libexpat.a \
		$(DESTDIR)/usr/lib/libbsdxml.a

	mkdir -p $(DESTDIR)/usr/lib/freebsd
	install -m755 debian/local/scripts/bmake $(DESTDIR)/usr/lib/freebsd/

	dh_install -a --list-missing

binary: binary-arch binary-indep
binary-arch: install-arch
	dh_testdir
	dh_testroot
	dh_installchangelogs -a
	dh_installdocs -a
#	dh_installexamples
#	dh_installinit
#	dh_installcron
#	dh_installinfo
#	dh_installman
	dh_link -a
	dh_strip -a
	dh_compress -a
	dh_fixperms -a
#	dh_perl
#	dh_python
	dh_makeshlibs -a
ifeq ($(DEB_HOST_ARCH_OS), kfreebsd)
	dh_makeshlibs -plibfreebsd-glue-0 --add-udeb=libfreebsd-glue-0-udeb
endif
	dh_installdeb -a
	dh_shlibdeps -a
	dh_gencontrol -a
	dh_md5sums -a
	dh_builddeb -a

binary-indep:
	: