#!/usr/bin/make -f
# export DH_VERBOSE=1

export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed

DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/buildflags.mk
include /usr/share/dpkg/architecture.mk
CFLAGS+=$(CPPFLAGS)
CXXFLAGS+=$(CPPFLAGS)

ifneq ($(DEB_HOST_ARCH),$(DEB_BUILD_ARCH))

# Provide OS=
OS_MAP_linux = Linux
OS_MAP_kfreebsd = GNU/kFreeBSD
OS_MAP_hurd = GNU
ifneq ($(OS_MAP_$(DEB_HOST_ARCH_OS)),)
BUILD_FLAGS += OS=$(OS_MAP_$(DEB_HOST_ARCH_OS))
endif

# Provide compiler information
BUILD_FLAGS += compiler=gcc
BUILD_FLAGS += CC=$(DEB_HOST_GNU_TYPE)-gcc
BUILD_FLAGS += CXX=$(DEB_HOST_GNU_TYPE)-g++

# Provide arch=
arch_MAP_amd64 = intel64
arch_MAP_i386 = ia32
arch_MAP_mips64el = mips64
arch_MAP_powerpc = ppc32
arch_MAP_ppc64 = ppc64
arch_MAP_ppc64el = ppc64le
ifneq ($(arch_MAP_$(DEB_HOST_ARCH_CPU)),)
BUILD_FLAGS += arch=$(arch_MAP_$(DEB_HOST_ARCH_CPU))
else
ifeq ($(DEB_HOST_ARCH),armhf)
BUILD_FLAGS += arch=armv7
else
# covers arm64, ia64, mips, sparc64, etc.
BUILD_FLAGS += arch=$(DEB_HOST_GNU_CPU)
endif
endif

endif


%:
	dh $@ --parallel --dbg-package=libtbb2-dbg

VERSION = $(shell dpkg-parsechangelog | grep '^Version' | cut -d' ' -f2 | cut -f1 -d-)

override_dh_auto_build:
# dump out diagnostics
	cat /proc/cpuinfo
	gcc -dM -E - < /dev/null
	echo Build system page size is $$(($$(getconf PAGESIZE) >> 10)) KiB

	sed -e"s/@VERSION@/$(VERSION)/g;s/@DEB_HOST_MULTIARCH@/$(DEB_HOST_MULTIARCH)/g" \
		debian/tbb.pc.in > debian/tbb.pc
	dh_auto_build -- $(BUILD_FLAGS)

# Makefiles should not be compressed (tbb-examples)
override_dh_compress-indep:
	dh_compress -X*/examples/*

get-orig-source:
	uscan --verbose --force-download --rename

override_dh_auto_clean:
	dh_auto_clean
	touch debian/tbb.pc && rm debian/tbb.pc
