#!/usr/bin/make -f

include /usr/share/dpkg/architecture.mk

DOUBLE_SUFFIX=double
LONGDOUBLE_SUFFIX=longdouble
FLOAT128_SUFFIX=float128
MPFR150_SUFFIX=mpfr150

BUILDDIR = $(CURDIR)/debian/build
tmpInstall = $(CURDIR)/debian/tmp
tmpDirMatplotLib = $(CURDIR)/debian/matplotlib

# do not build i386 parallely
ifneq (,$(filter $(DEB_HOST_ARCH), i386 s390x all))
  parallelBuild=--no-parallel
endif

# We disable parallel builds on all platforms by now
# Ubuntu has problems with it and it causes sync-delays
parallelBuild=--no-parallel

%:
	dh $@ --builddirectory=$(BUILDDIR) --with python3 $(parallelBuild)

export DEB_LDFLAGS_MAINT_APPEND = -Wl,--no-as-needed,-no-keep-memory

# Crash diagnostics for the --test/--check runs below. Set to 0 once the
# segfault of yade-double --check on amd64 is understood, to get the cheap
# and small -g0 build back.
DEBUG_CHECKS ?= 1

ifeq ($(DEBUG_CHECKS),0)
# no debug info to avoid running
# out of address space when linking
export DEB_CXXFLAGS_MAINT_APPEND += -g0
else
# -g1 is enough for function names and line numbers in a backtrace (no local
# variables), and small enough not to exhaust the address space when linking,
# at least on the 64 bit architectures. Keep -g0 on the 32 bit ones.
ifeq ($(DEB_HOST_ARCH_BITS),64)
export DEB_CXXFLAGS_MAINT_APPEND += -g1 -gz
else
export DEB_CXXFLAGS_MAINT_APPEND += -g0
endif
# Run the checks under gdb and dump a backtrace if they die. gdb -batch would
# happily exit 0 whatever the inferior did, so exit with 1 if the inferior is
# still there (i.e. it was stopped by a signal) or never started, and with its
# own exit code otherwise, to keep a failing check a failing build.
# usr/bin/yade-<suffix> is a python script, hence gdb runs the interpreter
# (the same one cmake put into the shebang) with the script as its argument.
CHECK_WRAP = gdb -q -batch \
	-ex 'set pagination off' \
	-ex 'set confirm off' \
	-ex 'set backtrace past-main on' \
	-ex run \
	-ex 'python t=gdb.selected_inferior().threads()' \
	-ex 'python ec=gdb.convenience_variable("_exitcode")' \
	-ex 'python if t: gdb.write("\n===== killed by a signal, backtrace of all threads =====\n"); gdb.execute("thread apply all bt full")' \
	-ex 'python gdb.execute("quit %d" % (1 if t or ec is None else int(ec)))' \
	--args /usr/bin/python3
endif

# checkList.py reports the name of the currently running check on stdout, which
# is block-buffered towards the build log and therefore lost when yade crashes.
export PYTHONUNBUFFERED := 1

# Check, whether Build-Depends-Indep are installed
BUILD_DOC=$(shell dpkg -s python3-sphinx | grep -q "^Status:.* installed$$" && echo yes)

LD_LIBRARY_PATH_DOUBLE =  $(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(DOUBLE_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(DOUBLE_SUFFIX):$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(DOUBLE_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(DOUBLE_SUFFIX)/py/gts:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(DOUBLE_SUFFIX)/py/yade:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(DOUBLE_SUFFIX)/py/yade/qt:$(LD_LIBRARY_PATH)
LD_LIBRARY_PATH_LONGDOUBLE =  $(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(LONGDOUBLE_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(LONGDOUBLE_SUFFIX):$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(LONGDOUBLE_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(LONGDOUBLE_SUFFIX)/py/gts:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(LONGDOUBLE_SUFFIX)/py/yade:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(LONGDOUBLE_SUFFIX)/py/yade/qt:$(LD_LIBRARY_PATH)
LD_LIBRARY_PATH_FLOAT128 =  $(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(FLOAT128_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(FLOAT128_SUFFIX):$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(FLOAT128_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(FLOAT128_SUFFIX)/py/gts:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(FLOAT128_SUFFIX)/py/yade:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(FLOAT128_SUFFIX)/py/yade/qt:$(LD_LIBRARY_PATH)
LD_LIBRARY_PATH_MPFR150 =  $(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(MPFR150_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(MPFR150_SUFFIX):$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(MPFR150_SUFFIX)/py:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(MPFR150_SUFFIX)/py/gts:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(MPFR150_SUFFIX)/py/yade:$(tmpInstall)/usr/lib/$(DEB_HOST_MULTIARCH)/yade-$(MPFR150_SUFFIX)/py/yade/qt:$(LD_LIBRARY_PATH)

export MPLCONFIGDIR := $(tmpDirMatplotLib)
export HOME := $(tmpDirMatplotLib)
export DEB_HOST_MULTIARCH := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
export YADE_PREFIX := $(tmpInstall)/usr

extra_flags += \
-DruntimePREFIX="/usr" \
-DCMAKE_INSTALL_PREFIX="/usr" \
-DLIBRARY_OUTPUT_PATH=lib/$(DEB_HOST_MULTIARCH) \
-DENABLE_SPH=OFF \
-DENABLE_MPFR=ON \
-DPYTHON_VERSION=3 \
-DCMAKE_UNITY_BUILD=ON \
-DCMAKE_UNITY_BUILD_BATCH_SIZE=30

# Do not use real_hp on arm64 and s390z.
# It fails because quadmath.h cannot be found. Can be checked with a newer boost (>1.74)

override_dh_auto_configure:
	dh_auto_configure -- $(extra_flags) -B$(BUILDDIR)-$(DOUBLE_SUFFIX) -DSUFFIX=-$(DOUBLE_SUFFIX) -DREAL_DECIMAL_PLACES=15
ifeq (,$(filter $(DEB_HOST_ARCH), ppc64el amd64)) # Disable longdouble on ppc64el due to crash
	dh_auto_configure -- $(extra_flags) -B$(BUILDDIR)-$(LONGDOUBLE_SUFFIX) -DSUFFIX=-$(LONGDOUBLE_SUFFIX) -DREAL_DECIMAL_PLACES=18
endif
ifneq (,$(filter $(DEB_HOST_ARCH), i386))
	dh_auto_configure -- $(extra_flags) -B$(BUILDDIR)-$(FLOAT128_SUFFIX) -DSUFFIX=-$(FLOAT128_SUFFIX) -DREAL_DECIMAL_PLACES=33
endif
	dh_auto_configure -- $(extra_flags) -B$(BUILDDIR)-$(MPFR150_SUFFIX) -DSUFFIX=-$(MPFR150_SUFFIX) -DREAL_DECIMAL_PLACES=150
	mkdir -p $(tmpDirMatplotLib)
	mkdir -p $(tmpInstall)
	#Output an information about available memory and CPU
	-cat /proc/meminfo
	-cat /proc/cpuinfo

override_dh_auto_build:
	dh_auto_build -B$(BUILDDIR)-$(DOUBLE_SUFFIX)
ifeq (,$(filter $(DEB_HOST_ARCH), amd64 ppc64el))
	dh_auto_build -B$(BUILDDIR)-$(LONGDOUBLE_SUFFIX)
endif
ifneq (,$(filter $(DEB_HOST_ARCH), i386))
	dh_auto_build -B$(BUILDDIR)-$(FLOAT128_SUFFIX)
endif
	dh_auto_build -B$(BUILDDIR)-$(MPFR150_SUFFIX)

override_dh_auto_install:
	dh_auto_install -B$(BUILDDIR)-$(DOUBLE_SUFFIX)
ifeq (,$(filter $(DEB_HOST_ARCH), amd64 ppc64el))
	dh_auto_install -B$(BUILDDIR)-$(LONGDOUBLE_SUFFIX)
endif
ifneq (,$(filter $(DEB_HOST_ARCH), i386))
	dh_auto_install -B$(BUILDDIR)-$(FLOAT128_SUFFIX)
endif
	dh_auto_install -B$(BUILDDIR)-$(MPFR150_SUFFIX)
	# generate manpages
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) help2man $(tmpInstall)/usr/bin/yade-double > yade.1
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) help2man $(tmpInstall)/usr/bin/yade-double-batch > yade-batch.1
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(DOUBLE_SUFFIX) --test
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(DOUBLE_SUFFIX) --check
ifeq (,$(filter $(DEB_HOST_ARCH), amd64 ppc64el))
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_LONGDOUBLE) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(LONGDOUBLE_SUFFIX) --test
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_LONGDOUBLE) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(LONGDOUBLE_SUFFIX) --check
endif
ifneq (,$(filter $(DEB_HOST_ARCH), i386))
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_FLOAT128) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(FLOAT128_SUFFIX) --test
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_FLOAT128) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(FLOAT128_SUFFIX) --check
endif
ifeq (,$(filter $(DEB_HOST_ARCH), i386))
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_MPFR150) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(MPFR150_SUFFIX) --test
	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_MPFR150) $(CHECK_WRAP) $(tmpInstall)/usr/bin/yade-$(MPFR150_SUFFIX) --check
endif
	dh_numpy3
ifeq ($(BUILD_DOC), yes)
	#Generate docs
	cd $(CURDIR)/doc/sphinx && LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) PYTHONPATH=. $(tmpInstall)/usr/bin/yade-$(DOUBLE_SUFFIX) yadeSphinx.py html && LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) PYTHONPATH=. $(tmpInstall)/usr/bin/yade-$(DOUBLE_SUFFIX) yadeSphinx.py latex && LD_LIBRARY_PATH=$(LD_LIBRARY_PATH_DOUBLE) PYTHONPATH=. $(tmpInstall)/usr/bin/yade-$(DOUBLE_SUFFIX) yadeSphinx.py workarounds && cd _build/latex && xelatex Yade.tex && xelatex Yade.tex && xelatex Yade.tex
	cd $(CURDIR)/doc/sphinx/_build/html && find . -type f -print0 | xargs -0 sed -i 's/https:\/\/cdnjs\.cloudflare\.com\/ajax\/libs\/mathjax\/2\.7\.5\/latest.js/\/usr\/share\/javascript\/mathjax\/MathJax.js\//g'
	cd $(CURDIR)/doc/sphinx/_build/html && find . -type f -print0 | xargs -0 sed -i 's/https:\/\/www\.youtube\.com//g'
endif
	#Delete all pyc files
	find $(tmpInstall) -name '*.pyc' -print0 | xargs -0 rm -f
	find $(tmpInstall) -name '__pycache__' -print0 | xargs -0 rm -rf
	find $(tmpInstall) -name 'yade.py' -print0 | xargs -0 rm -f

override_dh_installchangelogs:
	dh_installchangelogs ChangeLog

override_dh_installman:
	dh_installman -p yade yade.1 yade-batch.1

override_dh_compress:
	dh_compress --all -X.py -X.stl -X.gts -X.geo -X.mesh -X.msh -X.pdf -X.png -X.svg -X.txt -X.js -X.inv

override_dh_auto_test:

ifeq ($(BUILD_DOC), yes)
execute_after_dh_installdocs:
	dh_sphinxdoc
endif

execute_after_dh_auto_clean:
	rm -rf $(BUILDDIR)-$(DOUBLE_SUFFIX)
	rm -rf $(BUILDDIR)-$(LONGDOUBLE_SUFFIX)
	rm -rf $(BUILDDIR)-$(FLOAT128_SUFFIX)
	rm -rf $(BUILDDIR)-$(MPFR150_SUFFIX)
	rm -rf $(CURDIR)/yade.1
	rm -rf $(CURDIR)/yade-batch.1
	rm -rf $(tmpDirMatplotLib)
	rm -rf $(CURDIR)/doc/sphinx/_build
	rm -rf $(CURDIR)/doc/sphinx/__pycache__