#!/usr/bin/make -f

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

# Package names
PKG_driver      := libhybris
PKG_driver_dev  := libhybris-dev
PKG_driver_dbg  := libhybris-dbg
PKG_version     := $(shell dpkg-parsechangelog | sed -n 's/^Version: //p')
PKG_source      := $(shell dpkg-parsechangelog | sed -n 's/^Source: //p')
UPS_version     := $(shell echo '$(PKG_version)' | sed 's/.*://; s/-[^-]*$$//')
GIT_rev         := $(shell echo '$(UPS_version)' | sed 's/.*+//')

DEB_HOST_ARCH      ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

# Compiler
export CC=gcc-4.7
export CXX=g++-4.7

ifneq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
	CC :=$(DEB_HOST_GNU_TYPE)-$(CC)
	CXX :=$(DEB_HOST_GNU_TYPE)-$(CXX)
endif

# Priority of the alternatives
alt_priority    := 400

# Directory naming schemes
PKG_dirname             := $(PKG_driver)-egl
bindir                  := usr/bin
datadir                 := usr/share
libdir                  := usr/lib/$(DEB_HOST_MULTIARCH)
includedir              := usr/include
sysconfdir              := etc
PKG_libdir              := $(libdir)/$(PKG_dirname)
PKG_configdir           := $(PKG_libdir)
ld_so_conf_dir          := $(PKG_configdir)
ld_so_conf_file         := ld.so.conf
alt_ld_so_conf_file     := alt_ld.so.conf
ld_so_conf_path         := $(ld_so_conf_dir)/$(ld_so_conf_file)
alt_ld_so_conf_path     := $(ld_so_conf_dir)/$(alt_ld_so_conf_file)

# --remote doesn't work with github so this needs to be run from a local checkout
get-packaged-orig-source:
	rm -rf $(PKG_source)-$(UPS_version)
	rm -f $(PKG_source)-$(UPS_version).orig.tar.gz
	git clone https://github.com/libhybris/libhybris.git $(PKG_source)-$(UPS_version)
	cd $(PKG_source)-$(UPS_version) && git archive \
		--format tar \
		--prefix $(PKG_source)-$(UPS_version)/ \
		$(GIT_rev) \
		| gzip >../$(PKG_source)_$(UPS_version).orig.tar.gz
	rm -rf $(PKG_source)-$(UPS_version)

override_dh_auto_configure:
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), armhf))
	dh_auto_configure --sourcedirectory=hybris -- --enable-wayland --enable-arch=arm --with-android-headers=/usr/include/android
else
	dh_auto_configure --sourcedirectory=hybris -- --enable-wayland --enable-arch=x86 --with-android-headers=/usr/include/android
endif

override_dh_install:
	# Fill in important variables
	for i in $(PKG_driver).dirs \
			$(PKG_driver).install \
			$(PKG_driver).links \
			$(PKG_driver).postinst \
			$(PKG_driver).postrm \
			$(PKG_driver).prerm; do \
		sed -e "s|#LIBDIR#|$(libdir)|g" \
			-e "s|#BINDIR#|$(bindir)|g" \
			-e "s|#SYSCONFDIR#|$(sysconfdir)|g" \
			-e "s|#LDSOCONF#|$(ld_so_conf_path)|g" \
			-e "s|#ALTLDSOCONF#|$(alt_ld_so_conf_path)|g" \
			-e "s|#ALTPRIORITY#|$(alt_priority)|g" \
			-e "s|#DATADIR#|$(datadir)|g" \
			-e "s|#PKGCONFIGDIR#|$(PKG_configdir)|g" \
			-e "s|#PKGLIBDIR#|$(PKG_libdir)|g" \
			-e "s|#DRIVERNAME#|$(PKG_driver)|g" \
			-e "s|#DRIVERSRCNAME#|$(PKG_source)|g" \
			-e "s|#VERSION#|$(PKG_version)|g" \
			-e "s|#INCLUDEDIR#|$(includedir)|g" \
			-e "s|#DEB_HOST_MULTIARCH#|$(DEB_HOST_MULTIARCH)|g" \
			debian/$$i.in > debian/$$i; \
	done

	dh_install

	# ld.so.conf
	echo "/$(PKG_libdir)" > "$(CURDIR)/debian/$(PKG_driver)/$(ld_so_conf_path)"

	# empty ld.so.conf for the fake multi-arch alternative
	echo "" > "$(CURDIR)/debian/$(PKG_driver)/$(alt_ld_so_conf_path)"

override_dh_autoreconf:
	NOCONFIGURE=1 dh_autoreconf ./hybris/autogen.sh

%:
	dh $@ --with quilt,autoreconf --sourcedirectory=hybris