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

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

DEB_BUILD_MULTIARCH ?= $(shell dpkg-architecture -qDEB_BUILD_MULTIARCH)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

CPPFLAGS := $(shell dpkg-buildflags --get CPPFLAGS)
CFLAGS := -fPIC $(shell dpkg-buildflags --get CFLAGS)
LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS)

COMMA = ,
ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
  NJOBS := -j $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
endif

confargs = \
	--prefix=/usr \
	--disable-multilib \
	--enable-install-libiberty
ifneq ($(DEB_BUILD_MULTIARCH),$(DEB_HOST_MULTIARCH))
    confargs += \
	--build=$(DEB_BUILD_MULTIARCH) \
	--host=$(DEB_HOST_MULTIARCH)
endif

configure: configure-stamp
configure-stamp:
	dh_testdir
	dh_autotools-dev_updateconfig
	rm -rf build
	mkdir -p build
	cd build && ../libiberty/configure \
		$(confargs) \
		CPPFLAGS="$(CPPFLAGS)" \
		CFLAGS="$(CFLAGS)" \
		LDFLAGS="$(LDFLAGS)"
	touch configure-stamp

build-arch: build-stamp
build-indep:
build: build-stamp
build-stamp: configure-stamp  
	dh_testdir
	$(MAKE) $(NJOBS) -C build
	touch $@

clean: 
	dh_testdir
	dh_testroot
	rm -f build-stamp configure-stamp
	rm -rf build
	dh_autotools-dev_restoreconfig
	dh_clean 

install: build
	dh_testdir
	dh_testroot
	dh_prep  
	dh_installdirs \
		/usr/include/libiberty \
		/usr/lib/$(DEB_HOST_MULTIARCH)
	$(MAKE) -C build install \
		DESTDIR=$(CURDIR)/debian/libiberty-dev \
		target_header_dir=/usr/include/libiberty
	mv debian/libiberty-dev/usr/lib/*.a \
		debian/libiberty-dev/usr/lib/$(DEB_HOST_MULTIARCH)/.

# Build architecture-independent files here.
binary-indep: install
# We have nothing to do by default.

# Build architecture-dependent files here.
binary-arch: install
	dh_testdir
	dh_testroot
	dh_installchangelogs 
	dh_installdocs
	dh_strip
	dh_compress
	dh_fixperms
	dh_installdeb
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

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