#!/usr/bin/make -f
# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

distribution := $(shell lsb_release -is)
derivative := $(shell if dpkg-vendor --derives-from Ubuntu; then echo Ubuntu; \
		elif dpkg-vendor --derives-from Debian; then echo Debian; \
		else echo Unknown; fi)

include /usr/share/dpkg/architecture.mk

export DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow reproducible=+fixfilepath

# Unit tests require more than 2 GB of RAM, so disable them on mipsel.
#
# Disable unit tests unconditionally if nocheck is set.
ifeq ($(DEB_HOST_ARCH),mipsel)
  ABSL_RUN_TESTS=OFF
else ifneq ($(filter nocheck,$(DEB_BUILD_OPTIONS)),)
  ABSL_RUN_TESTS=OFF
else
  ABSL_RUN_TESTS=ON
endif

TEST_EXCLUSIONS =
ifneq (,$(filter armhf,$(DEB_HOST_ARCH)))
  TEST_EXCLUSIONS += absl_raw_hash_set_test

else ifneq (,$(filter hppa,$(DEB_HOST_ARCH)))
  TEST_EXCLUSIONS += absl_btree_test absl_raw_hash_set_test absl_stacktrace_test

else ifneq (,$(filter powerpc,$(DEB_HOST_ARCH)))
  TEST_EXCLUSIONS += absl_raw_hash_set_test absl_failure_signal_handler_test absl_stacktrace_test

else ifneq (,$(filter ppc64el,$(DEB_HOST_ARCH)))
  # https://github.com/abseil/abseil-cpp/issues/1804
  TEST_EXCLUSIONS += absl_mutex_test absl_failure_signal_handler_test absl_stacktrace_test

else ifneq (,$(filter ppc64,$(DEB_HOST_ARCH)))
  # https://github.com/abseil/abseil-cpp/issues/1804
  TEST_EXCLUSIONS += absl_mutex_test absl_failure_signal_handler_test absl_stacktrace_test absl_str_format_convert_test

else ifneq (,$(filter riscv64,$(DEB_HOST_ARCH)))
  ifeq ($(derivative),Ubuntu)
    # test pass
  else
    # https://github.com/abseil/abseil-cpp/issues/2002
    TEST_EXCLUSIONS += absl_hashtablez_sampler_test absl_cordz_sample_token_test
  endif

else ifneq (,$(filter sh4,$(DEB_HOST_ARCH)))
  TEST_EXCLUSIONS += absl_any_invocable_test

else ifneq (,$(filter sparc64,$(DEB_HOST_ARCH)))
  TEST_EXCLUSIONS += absl_waiter_test

else ifneq (,$(filter x32,$(DEB_HOST_ARCH)))
  TEST_EXCLUSIONS += absl_hash_instantiated_test
endif

ifneq (,$(TEST_EXCLUSIONS))
  SPACE = $(EMPTY) $(EMPTY)
  ABSL_TEST_EXTRA_ARGS = ARGS+="--exclude-regex '($(subst $(SPACE),|,$(TEST_EXCLUSIONS)))'"
endif


%:
	dh $@

override_dh_auto_clean:
	$(RM) -r $(CURDIR)/static
	$(RM) -r $(CURDIR)/shared

override_dh_auto_configure:
	dh_auto_configure -Bstatic -- -DCMAKE_CXX_STANDARD=17 -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=ON -DABSL_BUILD_TESTING=ON -DABSL_USE_GOOGLETEST_HEAD=OFF
	dh_auto_configure -Bshared -- -DCMAKE_CXX_STANDARD=17 -DBUILD_SHARED_LIBS=ON

override_dh_auto_build:
	dh_auto_build -Bstatic
	dh_auto_build -Bshared

ifeq ($(ABSL_RUN_TESTS),ON)
override_dh_auto_test:
	dh_auto_test -Bstatic -- $(ABSL_TEST_EXTRA_ARGS)
endif

override_dh_auto_install:
	dh_auto_install -Bstatic
	dh_auto_install -Bshared
	find debian/tmp -type d -empty -delete