#!/usr/bin/make -f

DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_BUILD_ARCH ?=$(shell dpkg --print-architecture)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

LDFLAGS += -pthread

ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
ATOMIC_BUILTIN_ARCHS = alpha amd64 arm64 armel armhf hppa hurd-i386 i386 ia64 kfreebsd-amd64 kfreebsd-i386 mips64el mipsel powerpc ppc64 ppc64el riscv64 s390x x32
endif

%:
	dh $@ --with pkgkde_symbolshelper,autoreconf

override_dh_auto_configure:
	[ ! -d libatomic_ops-1.2 ] || mv libatomic_ops-1.2 libatomic_ops-1.2.bak
	./configure \
		$(CONFIG_OPTS) \
		--enable-cplusplus \
		--enable-static \
		--enable-docs \
		--disable-dependency-tracking \
		--with-tags=CXX \
		--prefix=/usr \
		--mandir=\$${prefix}/share/man \
		--sysconfdir=/etc \
		--localstatedir=/var/lib \
		--datadir=\$${prefix}/share/doc \
		--host=$(DEB_HOST_GNU_TYPE) \
		--build=$(DEB_BUILD_GNU_TYPE) \
		--libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH) \
		$(if $(filter $(DEB_HOST_ARCH),$(ATOMIC_BUILTIN_ARCHS)),--with-libatomic-ops=none)

ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
override_dh_auto_test:
	$(MAKE) check
endif

override_dh_install:
	install -D doc/gc.man debian/tmp/usr/share/man/man3/gc_malloc.3
	dh_install
	rm debian/libgc-dev/usr/share/doc/libgc1/README.environment

override_dh_auto_clean:
	[ -d libatomic_ops-1.2 ] || [ ! -d libatomic_ops-1.2.bak ] || mv libatomic_ops-1.2.bak libatomic_ops-1.2
	dh_auto_clean
	rm -rf autom4te.cache libatomic_ops atomic_ops_sysdeps.S atomic_ops.c

override_dh_installchangelogs:
	dh_installchangelogs ChangeLog

override_dh_gencontrol:
	dh_gencontrol -- -Vatomic:Depends=$$(grep -q '[-]latomic_ops' debian/libgc-dev/usr/lib/*/pkgconfig/*.pc && echo libatomic-ops-dev)