#!/usr/bin/make -f

build clean install binary-arch binary-indep binary:
	+dh --parallel $(opt_no_act) $@

override_dh_auto_clean:
	dh_auto_clean --builddirectory debian/xzdec-build
	dh_auto_clean --builddirectory debian/normal-build
	chmod -x tests/test_scripts.sh
	sh debian/clean.sh

override_dh_auto_configure:
	autoreconf -fis
	dh_auto_configure --builddirectory debian/normal-build -- \
		$(opt_optimize) $(opt_quiet) \
		--disable-xzdec --disable-lzmadec
	dh_auto_configure --builddirectory debian/xzdec-build -- \
		--disable-shared --disable-nls --disable-encoders \
		--enable-small --disable-threads \
		$(opt_optimize_small) $(opt_quiet) \
		--disable-lzmainfo --disable-scripts \
		--disable-xz --disable-lzma-links

override_dh_auto_build:
	dh_auto_build --builddirectory debian/normal-build
	dh_auto_build --builddirectory debian/xzdec-build
	: 'Work around bug #478524'
	set -e; if type doxygen >/dev/null 2>/dev/null; \
	then \
		cd debian/normal-build; \
		doxygen Doxyfile; \
	fi

override_dh_auto_test:
	chmod +x tests/test_scripts.sh
	$(MAKE) -C debian/normal-build check
	$(MAKE) -C debian/xzdec-build/tests create_compress_files
	$(MAKE) -C debian/xzdec-build/tests \
		TESTS="test_check test_files.sh test_compress.sh" \
		check-TESTS

override_dh_auto_install:
	dh_auto_install --builddirectory debian/xzdec-build
	dh_auto_install --builddirectory debian/normal-build

override_dh_installchangelogs:
	dh_installchangelogs debian/changelog.upstream

opt_optimize = CFLAGS="-g -O2"
opt_optimize_small = CFLAGS="-g -Os"
opt_no_act =
opt_quiet =

# Unless noopt is set, use optimized CRC32 routine on the Hurd.
ifeq (hurd,$(shell dpkg-architecture -qDEB_HOST_ARCH_OS))
    cputype := $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
    ifeq (i386,$(cputype))
        opt_optimize += --enable-assembler=x86
        opt_optimize_small += --enable-assembler=x86
    endif
    ifeq (amd64,$(cputype))
        opt_optimize += --enable-assembler=x86_64
        opt_optimize_small += --enable-assembler=x86_64
    endif
endif

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
    opt_optimize = --disable-assembler CFLAGS="-g -O0"
    opt_optimize_small = --disable-assembler CFLAGS="-g -O0"
endif

ifneq (,$(findstring n,$(MAKEFLAGS)))
    opt_no_act = --no-act
endif

ifneq (,$(filter quiet,$(DEB_BUILD_OPTIONS)))
    opt_quiet = --quiet
    MAKEFLAGS += --quiet
endif

# Build a tarball with the latest upstream version.
# This is made complicated by the need to choose a nice version number.
REPO = http://git.tukaani.org/xz.git
BRANCH = master
get-orig-source:
	mkdir debian-orig-source
	-set -e; cd debian-orig-source; \
	: Fetch latest upstream version.; \
		git init -q; \
		git fetch -q --tags $(REPO); \
		git fetch -q $(REPO) $(BRANCH); \
	: Determine version number.; \
		commit_name=$$(git describe FETCH_HEAD); \
		release=$${commit_name%%-*}; \
		date=$$(date --utc --date="$$( \
			git log -1 --pretty=format:%cD "$$commit_name" \
			)" "+%Y%m%d"); \
		if test "$$commit_name" = "$$release"; \
		then upstream_version=$${commit_name#v}; \
		else upstream_version="$${release#v}+$${date}"; \
		fi; \
	: Generate tarball.; \
		echo "packaging $$commit_name"; \
		git archive --format=tar "$$commit_name" \
			--prefix="xz-utils-$$upstream_version/" | \
		gzip -n --rsyncable -9 \
			> "../xz-utils_$$upstream_version.orig.tar.gz"
	rm -fr debian-orig-source