#!/usr/bin/make -f

ifeq (,$(findstring terse,${DEB_BUILD_OPTIONS}))
export DH_VERBOSE=1
export V=1
export VERBOSE=1
endif

LC_ALL:=C
export LC_ALL

DEB_BUILD_ARCH?=$(shell dpkg-architecture -qDEB_BUILD_ARCH)
DEB_HOST_ARCH?=$(shell dpkg-architecture -qDEB_HOST_ARCH)
ifneq (${DEB_BUILD_ARCH},${DEB_HOST_ARCH})
DEB_HOST_GNU_TYPE?=$(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
endif

# is ${CC} defined anywhere (other than implicit rules?)
ifneq (,$(findstring $(origin CC),default undefined))
# no - then default to gcc (or cross-gcc)
ifneq (${DEB_BUILD_ARCH},${DEB_HOST_ARCH})
CC=			${DEB_HOST_GNU_TYPE}-gcc
else
CC=			gcc
endif
endif

EXTRA_CFLAGS=		-Wall -Wextra -Wformat
EXTRA_CPPFLAGS=		-DUSE_LIBBSD
EXTRA_LDFLAGS=		-Wl,--as-needed

ifneq (,$(wildcard /usr/share/dpkg/buildflags.mk))
# dpkg-dev (>= 1.16.1~)
dpkgbuildflagsmkescape=$(subst \,\\\,$(1))
DEB_CFLAGS_MAINT_APPEND=$(call dpkgbuildflagsmkescape,${EXTRA_CFLAGS})
DEB_CPPFLAGS_MAINT_APPEND=$(call dpkgbuildflagsmkescape,${EXTRA_CPPFLAGS})
DEB_LDFLAGS_MAINT_APPEND=$(call dpkgbuildflagsmkescape,${EXTRA_LDFLAGS})
DEB_BUILD_MAINT_OPTIONS=hardening=+all
include /usr/share/dpkg/buildflags.mk
else
# old-fashioned way to determine build flags
CFLAGS=			-O$(if $(findstring noopt,${DEB_BUILD_OPTIONS}),0,2) -g
CFLAGS+=		${EXTRA_CFLAGS}
CPPFLAGS+=		${EXTRA_CPPFLAGS}
LDFLAGS+=		${EXTRA_LDFLAGS}
endif

LDADD+=			-lbsd

build build-arch: rs
build-indep:

rs:
	dh_testdir
	-rm -f rs
	${CC} ${CPPFLAGS} ${CFLAGS} ${LDFLAGS} -o rs rs.c ${LDADD}
	test -x rs
ifeq (,$(filter nocheck,${DEB_BUILD_OPTIONS}))
	case $$(for i in 1 2 3 4 5 6 7 8 9; do echo $$i; done | \
	    ./rs 3 3 | md5sum) in \
	d37c2eb45172c55279711a8e53041912*) echo pass test;; \
	*) rm -f rs; echo FAIL test;; \
	esac; test -x rs
endif

clean:
	dh_testdir
	-rm -f rs
	dh_clean

binary-indep: build-indep

binary-arch: build-arch
	dh_testdir
	dh_testroot
	if test -x "$$(which dh_prep)"; then dh_prep; else dh_clean -k; fi
	dh_installchangelogs
	dh_installdocs
	dh_install
	dh_installman
	dh_lintian
	dh_link
	dh_strip
	dh_compress
	dh_fixperms
	dh_installdeb
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

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