#!/usr/bin/make -f

# Uncomment this to turn on verbose mode.
export DH_VERBOSE=1

# check if we need to use DEBUG:
DEBUG_FLAGS:=$(if $(findstring debug,$(DEB_BUILD_OPTIONS)),--with-debug,)

#standard C flags:
CFLAGS:=-falign-functions=4
export CFLAGS

# change the CFLAGS depending on the architecture
DEB_BUILD_ARCH := $(shell dpkg-architecture -qDEB_BUILD_ARCH)

ifneq (,$(filter m68k alpha hppa powerpc,$(DEB_BUILD_ARCH)))
	CFLAGS:=-D SAFETY=3 -D NO_MULTIMAP_SHM -D NO_MULTIMAP_FILE -D NO_SINGLEMAP -D NO_TRIVIALMAP ${CFLAGS}
endif

ifneq (,$(filter ia64 ,$(DEB_BUILD_ARCH)))
	CFLAGS:=-D NO_MULTIMAP_SHM -D NO_MULTIMAP_FILE -D NO_SINGLEMAP -D NO_TRIVIALMAP ${CFLAGS}
endif

ifneq (,$(filter sparc ,$(DEB_BUILD_ARCH)))
	 CFLAGS:=-mcpu=v9 -fno-gcse -DSAFETY=3 -D SAFETY=3 -D NO_MULTIMAP_SHM -D NO_MULTIMAP_FILE -D NO_SINGLEMAP -D NO_TRIVIALMAP ${CFLAGS}
endif

ifneq (,$(filter armhf ,$(DEB_BUILD_ARCH)))
	 CFLAGS:=-marm ${CFLAGS}
endif

ifneq (,$(filter hppa ia64 m68k s390 s390x mipsel powerpc powerpcspe,$(DEB_BUILD_ARCH)))
        # Disable FFI
        FFI:=--without-dynamic-ffi
        MODULES:=--with-module=gdbm --with-module=berkeley-db --with-module=pcre --with-module=rawsock --with-module=clx/new-clx
else ifneq (,$(filter sparc ,$(DEB_BUILD_ARCH)))
        # Disable FFI and the dynamic modules
        # this will only build a base and full package:
        FFI:=--without-dynamic-ffi --without-dynamic-modules
	MODULES:=--with-module=gdbm --with-module=berkeley-db --with-module=pcre --with-module=rawsock --with-module=clx/new-clx
else
        # Enable FFI on all other platforms
        FFI:=--with-dynamic-ffi --with-dynamic-modules
        MODULES:=--with-module=bindings/glibc --with-module=gdbm --with-module=berkeley-db --with-module=postgresql --with-module=pcre --with-module=zlib --with-module=rawsock --with-module=dbus --with-module=clx/new-clx
endif

configure: configure-stamp
configure-stamp:
	echo we have no configure step
	touch configure-stamp

build: build-stamp
build-stamp: 
	dh_testdir

	# on systems without FFI we cannot make multiple packages
	./configure debian/build --enable-portability ${DEBUG_FLAGS} --prefix=/usr --fsstnd=debian ${FFI} CFLAGS="${CFLAGS}" ${MODULES} || { cat debian/build/config.log; touch foo.h; cpp -dM foo.h ; exit 1; }

	# remove the -O2 from the makefile
ifneq (,$(filter sparc mipsel ia64 ,$(DEB_BUILD_ARCH)))
	sed 's/ -O2 / /' < debian/build/Makefile > debian/build/Makefile-new && \
		mv debian/build/Makefile debian/build/Makefile-old && \
		mv debian/build/Makefile-new debian/build/Makefile
endif # filter mipsel ia64 ,$(DEB_BUILD_ARCH) remove the -O2 from the makefile

	# build the package
	$(MAKE) -C debian/build

	touch build-stamp

clean: 
	dh_testdir
	dh_testroot
	rm -f build-stamp configure-stamp

	rm -rf debian/build 

	chmod a+x configure 
	dh_clean

install: build
	# echo doing install
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs -A

	# install the package

	$(MAKE) -C debian/build DESTDIR=$(shell pwd)/debian/tmp install
	mkdir -p debian/tmp/usr/share/doc debian/tmp/usr/share/man debian/tmp/usr/sbin debian/tmp/usr/bin 

	# remove unwanted upstream doc/ files
	rm debian/tmp/usr/share/doc/clisp/doc/clisp.1 \
		debian/tmp/usr/share/doc/clisp/doc/clisp-link.1 \
		debian/tmp/usr/share/doc/clisp/COPYRIGHT \
		debian/tmp/usr/share/doc/clisp/GNU-GPL || true

	# Install CLC files
	install -o root -g root -m 0644 debian/install-clc.lisp \
		debian/tmp/usr/lib/clisp-2.49.60+

	dh_install --sourcedir=debian/tmp
	# remove docs  from the clx package:
	if [ -d debian/clisp-module-clx/usr/lib/clisp-2.49.60+/clx/new-clx/demos ] ; then rm -rf debian/clisp-module-clx/usr/lib/clisp-2.49.60+/clx/new-clx/demos ; fi 
	# handle full image if  it exists, normally we do not build it
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then mkdir -p debian/clisp-dev/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then mkdir -p debian/clisp/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then install --owner=root --group=root --mode=0644  debian/tmp/usr/lib/clisp-2.49.60+/full/*.a debian/clisp-dev/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then install --owner=root --group=root --mode=0644  debian/tmp/usr/lib/clisp-2.49.60+/full/*.h debian/clisp-dev/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then install --owner=root --group=root --mode=0644  debian/tmp/usr/lib/clisp-2.49.60+/full/makevars debian/clisp-dev/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then install --owner=root --group=root --mode=0644  debian/tmp/usr/lib/clisp-2.49.60+/full/lispinit.mem debian/clisp/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then install --owner=root --group=root --mode=0755  debian/tmp/usr/lib/clisp-2.49.60+/full/lisp.run debian/clisp/usr/lib/clisp-2.49.60+/full/ ; fi
	if [ -d debian/tmp/usr/lib/clisp-2.49.60+/full ] ; then install --owner=root --group=root --mode=0644  debian/tmp/usr/lib/clisp-2.49.60+/full/*.o debian/clisp/usr/lib/clisp-2.49.60+/full/ ; fi


build-arch: build
build-indep: build

# Build architecture-independent files here.
binary-indep: build install
	dh_testdir  -i
	dh_testroot  -i
	dh_installdocs  -i
	dh_installexamples  -i
	dh_installchangelogs -a -i src/ChangeLog -i
	dh_strip  -i
	dh_link  -i
	dh_compress  -i
	dh_fixperms -i
	dh_installdeb -i
	dh_shlibdeps -i
	dh_gencontrol -i
	dh_md5sums  -i
	dh_builddeb -i

# Build architecture-dependent files here.
binary-arch: build install
	dh_testdir  -a
	dh_testroot  -a
	dh_installdocs  -a
	dh_installexamples  -a
	dh_installman  -a
	dh_installchangelogs -a -i src/ChangeLog -a
	dh_lisp clisp -a
	dh_strip  -a
	dh_link  -a
	dh_compress  -a
	dh_fixperms -a
	dh_installdeb -a
	dh_shlibdeps -a

#	add FAS file format version to substvars
	debian/clisp/usr/bin/clisp -Efile utf-8 -B debian/clisp/usr/lib/clisp-2.49.60+ -M debian/clisp/usr/lib/clisp-2.49.60+/base/lispinit.mem debian/fasl-version.lisp

	dh_gencontrol -a
	dh_md5sums  -a
	dh_builddeb -a

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