#!/usr/bin/make -f

# Pass this as version-info to dh_makeshlibs
SHLIBS_MINVER = 1:2.10

# Exports DEB_{BUILD,HOST}_* flags
include /usr/share/dpkg/architecture.mk
# Export DEB_VERSION, among other things
include /usr/share/dpkg/pkg-info.mk

# Support cross-compiling
ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
CC := $(DEB_HOST_GNU_TYPE)-gcc
endif

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

# One upstream target requires the BUILD compiler instead of HOST
BUILD_CC ?= cc
export BUILD_LDFLAGS = $(shell dpkg-architecture -a$(DEB_BUILD_ARCH) -c dpkg-buildflags --get LDFLAGS)
export BUILD_CPPFLAGS = $(shell dpkg-architecture -a$(DEB_BUILD_ARCH) -c dpkg-buildflags --get CPPFLAGS)


%:
	dh ${@}


override_dh_auto_build:
	dh_auto_build -- CC=$(CC) BUILD_CC=$(BUILD_CC)


override_dh_installdirs:
	dh_installdirs

	# While the PAM module and the library are in /lib, according to the
	# FHS, development files must go into usr/lib/<triplet>.
	mkdir -p debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)


override_dh_auto_install:
	dh_auto_install -- lib=lib/$(DEB_HOST_MULTIARCH) RAISE_SETFCAP=no

	# libcap-dev:
	#   Move the development files from lib/ to usr/lib. dh_link will
	#   later correct the link for us (from relative to absolute).
	cd debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH) && \
		mv    ../../../lib/$(DEB_HOST_MULTIARCH)/*.a . && \
		ln -s ../../../lib/$(DEB_HOST_MULTIARCH)/libcap.so.*.* libcap.so
	sed -i -e 's#^libdir=.*#libdir=/usr/lib/$(DEB_HOST_MULTIARCH)#' \
		debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/libcap.pc

	# Remove unwanted/unused files (because of --fail-missing)
	rm -f debian/tmp/lib/$(DEB_HOST_MULTIARCH)/*.so


override_dh_missing:
	dh_missing --fail-missing


override_dh_makeshlibs:
	dh_makeshlibs -V'libcap2 (>= $(SHLIBS_MINVER))' -plibcap2 \
		--add-udeb=libcap2-udeb -- -c4
	dh_makeshlibs --remaining-packages -- -c4