#!/usr/bin/make -f

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

# Work around http://bugs.debian.org/572077 (debhelper < 7.4.16)
binary: binary-arch binary-indep ;

%:
	dh $@ --with autoreconf

all_flavors = libnss-nonlocal
libnss-nonlocal_configure_args += --prefix=/
libnss-nonlocal_dh_install = 'lib/*'

ifneq ($(DEB_HOST_MULTIARCH),)
    export DH_COMPAT = 9
    libnss-nonlocal_configure_args += --libdir='$${prefix}/lib/$(DEB_HOST_MULTIARCH)'
    libnss-nonlocal_dh_install = 'lib/$(DEB_HOST_MULTIARCH)/*'
    libnss-nonlocal_dh_gencontrol = -- -DMulti-Arch=same
else ifeq ($(shell hash dpkg-buildflags 2>/dev/null && echo y),y)
    all_configure_args += $(foreach var,CFLAGS CPPFLAGS LDFLAGS,"$(var)=$$(dpkg-buildflags --get $(var))")
endif

IS_UBUNTU := $(if $(filter Ubuntu,$(shell lsb_release -is)),y)
LIBC6_VERSION := $(shell dpkg-query --showformat='$${Version}' --show libc6)
libc6_ge = $(shell dpkg --compare-versions '$(LIBC6_VERSION)' ge '$(1)' && echo y)

all_flavors += lib32nss-nonlocal
# i386_configure_target in eglibc/debian/sysdeps/amd64.mk
ifeq ($(or $(IS_UBUNTU),$(call libc6_ge,2.8+20080809)),y)
lib32nss-nonlocal_configure_args += --build=i686-linux
else
lib32nss-nonlocal_configure_args += --build=i486-linux
endif
# i386_CC in eglibc/debian/sysdeps/amd64.mk
lib32nss-nonlocal_configure_args += CC='$(CC) -m32'
# i386_slibdir in eglibc/debian/sysdeps/amd64.mk
ifeq ($(or $(IS_UBUNTU),$(call libc6_ge,2.9-14~)),y)
lib32nss-nonlocal_configure_args += --prefix=/ --libdir='$${prefix}/lib32'
lib32nss-nonlocal_dh_install = 'lib32/*'
else
lib32nss-nonlocal_configure_args += --prefix=/emul/ia32-linux
lib32nss-nonlocal_dh_install = 'emul/ia32-linux/*'
endif

all_flavors += lib64nss-nonlocal
# amd64_configure_target in eglibc/debian/sysdeps/i386.mk
lib64nss-nonlocal_configure_args += --build=x86_64-linux
# amd64_CC in eglibc/debian/sysdeps/i386.mk
lib64nss-nonlocal_configure_args += CC='$(CC) -m64 -D__x86_64__'
# amd64_slibdir in eglibc/debian/sysdeps/i386.mk
lib64nss-nonlocal_configure_args += --prefix=/ --libdir="\$${prefix}/lib64"

flavors := $(filter $(all_flavors),$(shell dh_listpackages))

define do_overrides
override_$(1): $(addsuffix _$(1),$(2))
$(addsuffix _$(1),$(filter-out REMAINING,$(2))): %_$(1):
	$(1) -p$$* $(3)
REMAINING_$(1): $(addsuffix _$(1),$(filter-out REMAINING,$(2)))
	$(1) --remaining-packages $(4)

endef

$(eval $(foreach auto,configure build install test clean,$(call do_overrides,dh_auto_$(auto),$(flavors),-Bdebian/build_$$* -- $$(all_$(auto)_args) $$($$*_$(auto)_args))))
$(eval $(call do_overrides,dh_install,$(flavors) REMAINING,$$($$*_dh_install)))
$(eval $(call do_overrides,dh_gencontrol,libnss-nonlocal REMAINING,$$($$*_dh_gencontrol)))