#!/usr/bin/make -f
# -*- makefile -*-
# Uncomment this to turn on verbose mode.
export DH_VERBOSE=1
export DEB_BUILD_MAINT_OPTIONS+=optimize=-lto

include /usr/share/dpkg/architecture.mk

OPM_DEBIAN_CMAKE_FLAGS = -DOPM_ENABLE_PYTHON=1 -DOPM_INSTALL_PYTHON=1 -DPYTHON_EXECUTABLE=/usr/bin/python3 -DOPM_INSTALL_COMPILED_PYTHON=OFF  -DOPM_ENABLE_PYTHON_TESTS=0 -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON


OPM_DEBIAN_MK ?= /usr/share/opm/opm-debian.mk
ifneq ("$(wildcard $(OPM_DEBIAN_MK))","")
   include $(OPM_DEBIAN_MK)
endif
OPM_LIB_DEBIAN_MK ?= /usr/share/opm/opm-lib-debian.mk
ifneq ("$(wildcard $(OPM_LIB_DEBIAN_MK))","")
    include $(OPM_LIB_DEBIAN_MK) # for makeshlibs
endif

# require 4GB of RAM per make process
need_gb_ram_per_process=4
free_ram=$(shell free -g | sed -n 2p| sed "s/ \+/ /g"| cut -d " " -f 2)
max_procs=$(shell echo "$(free_ram)/$(need_gb_ram_per_process)" | bc)
parallel_procs=$(shell if test "$(max_procs)" -lt "1"; then echo 1; else echo "$(max_procs)"; fi)

%:
	echo "ram in gb: $(free_ram), needed ram per thread: $(need_gb_ram_per_process), threads: $(parallel_procs)"
	dh $@ --max-parallel=$(parallel_procs)