#!/usr/bin/make -f

# Modified from /usr/share/doc/debhelper/examples/rules.multi2,
# incorporating various Hugs bits by
#	Antti-Juhani Kaijanaho <ajk@debian.org>
#	William Irwin <wli@debian.org>
#	Isaac Jones <ijones@syntaxpolice.org>

# This has to be exported to make some magic below work.
export DH_OPTIONS

%:
	dh $@

CONFIG_DIRS := . packages/network/ packages/Cabal/tests/HSQL/ \
	packages/ALUT/ packages/GLUT/ packages/OpenAL/ \
	packages/OpenGL/ src/unix/

CONFIG_OPTS := --prefix=/usr

# These are used for cross-compiling and for saving the configure
# script from having to guess our platform (since we know it already)
DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

# Autoconf 2.52 and higher goes into crosscompiling mode when --host
# is specified, so only pass --host when it is necessary.
ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
  CONFIG_OPTS += --build=$(DEB_HOST_GNU_TYPE)
else
  CONFIG_OPTS += --build=$(DEB_BUILD_GNU_TYPE) --host=$(DEB_HOST_GNU_TYPE)
endif

ifeq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
  CONFIG_OPTS += --enable-debug
endif

build_stamp	= debian/build.stamp
install_stamp	= debian/install.stamp

# A file that should be present in a Hugs source tree
src_file	= src/hugs.c

build: $(build_stamp)
$(build_stamp):
	dh_testdir $(src_file)
	# get updated config.sub and config.guess
	for d in $(CONFIG_DIRS) ; do \
	    cp -f /usr/share/misc/config.sub /usr/share/misc/config.guess $(CURDIR)/$$d ;\
	done
	# touch so that patched configure does not trigger autoreconf
	touch configure.ac aclocal.m4 && touch configure
	CFLAGS='-g -Wall -fPIC -std=gnu89' $(MAKE) EXTRA_CONFIGURE_OPTS="$(CONFIG_OPTS)"
	touch $@

clean:
	dh_testdir $(src_file)
	$(RM) $(build_stamp) $(install_stamp)
	# remove updated config.sub and config.guess to keep diff.gz small
	for d in $(CONFIG_DIRS) ; do \
	    rm -f $(CURDIR)/$$d/config.sub $(CURDIR)/$$d/config.guess ;\
	done
	dh_clean
	$(MAKE) distclean

install: $(install_stamp)
$(install_stamp): DH_OPTIONS=
$(install_stamp): $(build_stamp)
	dh_testdir $(src_file)
	dh_prep
	dh_installdirs
	$(MAKE) DESTDIR="$(CURDIR)/debian/tmp" install_all_but_docs
	$(RM) debian/tmp/usr/lib/hugs/packages/*/LICENSE*
	$(RM) debian/tmp/usr/lib/hugs/packages/*/LICENCE*
	for d in $(filter packages/%,$(CONFIG_DIRS)) ; do \
	    if [ ! -d $(CURDIR)/debian/tmp/usr/lib/hugs/$$d ] && \
	       [ -f $(CURDIR)/$$d/config.log ] ; then \
		echo "*** begin $$d/config.log ***" ; \
		cat $(CURDIR)/$$d/config.log ; \
		echo "**** end $$d/config.log ****" ; \
	    fi ; \
	done
	dh_install --sourcedir=debian/tmp
	install -m 644 -D cpphs/docs/cpphs.1 debian/hugs/usr/share/man/man1/cpphs-hugs.1
	install -m 644 -D debian/libhugs-cabal-bundled.lintian-overrides \
		debian/libhugs-cabal-bundled/usr/share/lintian/overrides/libhugs-cabal-bundled
	touch $@

# This single target is used to build all the packages, all at once, or
# one at a time. So keep in mind: any options passed to commands here will
# affect _all_ packages. Anything you want to only affect one package
# should be put in another target, such as the install target.
binary-common:
	dh_testdir $(src_file)
	dh_installchangelogs
	dh_installdocs
	dh_installexamples
	dh_installmenu
	dh_installman
	dh_strip
	dh_link
	dh_compress
	dh_fixperms
	dh_installdeb
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

# Build architecture independant packages using the common target.
binary-indep: $(install_stamp)
# (Uncomment this next line if you have such packages.)
#	$(MAKE) -f debian/rules DH_OPTIONS=-i binary-common

# Build architecture dependant packages using the common target.
binary-arch: $(install_stamp)
	$(MAKE) -f debian/rules DH_OPTIONS=-a binary-common

# Any other binary targets build just one binary package at a time.
binary-%: $(install_stamp)
	$(MAKE) -f debian/rules DH_OPTIONS='-p$*' binary-common

binary: binary-indep binary-arch

.PHONY: build clean install binary binary-indep binary-arch binary-common update-config