#!/usr/bin/make -f
# -*- makefile -*-

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# gringo requires c++11 threads with 64bit __atomic_exchange, we need to
# link with libatomic on armel, powerpc, powerpcspe, m68k, mips, mipsel, and
# sh4, see also
# https://gcc.gnu.org/wiki/Atomic
# https://gcc.gnu.org/wiki/Atomic/GCCMM/LIbrary
arch = $(shell dpkg-architecture -qDEB_BUILD_ARCH | egrep -x "(armel|powerpc|powerpcspe|m68k|mips|mipsel|sh4)")

# use custom hardening config flags for compiling clasp
CONFIG=hardening
CONFIGPARMS = -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -LAH -DCMAKE_SKIP_RPATH=YES -DCLINGO_MANAGE_RPATH=OFF -DLIB_POTASSCO_BUILD_APP=ON -DLIB_POTASSCO_BUILD_TESTS=ON -DCLASP_BUILD_APP=OFF -DCLASP_BUILD_TESTS=OFF -DCLASP_BUILD_EXAMPLES=OFF -DCLINGO_BUILD_EXAMPLES=ON -DCLINGO_BUILD_TESTS=ON -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3.7
TOPBUILDDIR = build/$(CONFIG)_mt
ROOTDIR = $(shell pwd)

#
# export CXXFLAGS and LDFLAGS for cmake
#
# add -O3 and NDEBUG and enable all hardening flags
# link with libatomic on architectures without built-in atomic
#
DEB_CXXFLAGS_MAINT_APPEND = -O3 -DNDEBUG
DEB_LDFLAGS_MAINT_APPEND =
ifeq ($(if $(arch),atomic), atomic)
	DEB_LDFLAGS_MAINT_APPEND += -latomic
endif

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

#
# export CPPFLAGS, CXXFLAGS, and LDFLAGS for scons
#
# default to -O3 -Wall -DNDEBUG and enable all hardening flags
#
DEB_CXXFLAGS_MAINT_APPEND = -O3 -Wall
DEB_CPPFLAGS_MAINT_APPEND = -DNDEBUG
DEB_LDFLAGS_MAINT_APPEND =
ifeq ($(if $(arch),atomic), atomic)
	DEB_LDFLAGS_MAINT_APPEND += -latomic
endif

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/buildflags.mk

# force g++-8
export CXX = g++-8
export CC = gcc-8
# inject CPPFLAGS to CXXFLAGS
CXXFLAGS += $(CPPFLAGS)

%:
	dh $@ --with pkgkde_symbolshelper

# configure with cmake
override_dh_auto_configure:
	dh_auto_configure --builddirectory=$(TOPBUILDDIR) -- $(CONFIGPARMS)

# build binaries in $(TOPBUILDDIR)
override_dh_auto_build:
	dh_auto_build --builddirectory=$(TOPBUILDDIR)

override_dh_auto_clean:
	dh_auto_clean --builddirectory=$(TOPBUILDDIR)

# run and output test results
override_dh_auto_test:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	dh_auto_test --builddirectory=$(TOPBUILDDIR) -- -e LD_LIBRARY_PATH="$(ROOTDIR)/$(TOPBUILDDIR)/bin:$(LD_LIBRARY_PATH)" &&\
		{ EXIT_CODE=$$? ; echo "Exit $$EXIT_CODE" ; test -d $(TOPBUILDDIR)/Testing/Temporary && tail -n +1 -v -- $(TOPBUILDDIR)/Testing/Temporary/* ; exit $$EXIT_CODE ; } ||\
		{ EXIT_CODE=$$? ; echo "Exit $$EXIT_CODE" ; test -d $(TOPBUILDDIR)/Testing/Temporary && tail -n +1 -v -- $(TOPBUILDDIR)/Testing/Temporary/* ; exit $$EXIT_CODE ; }
endif

# install CHANGES.md as changelog
override_dh_installchangelogs:
	dh_installchangelogs CHANGES.md

override_dh_shlibdeps:
	dh_shlibdeps -l$(shell pwd)/$(TOPBUILDDIR)/bin