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    # -*- mode: gnumakefile; tab-width: 4; indent-tabs-mode: t; -*-
    # vim: tabstop=4
    #
    # ##### BEGIN GPL LICENSE BLOCK #####
    #
    #  This program is free software; you can redistribute it and/or
    #  modify it under the terms of the GNU General Public License
    #  as published by the Free Software Foundation; either version 2
    #  of the License, or (at your option) any later version.
    #
    #  This program is distributed in the hope that it will be useful,
    #  but WITHOUT ANY WARRANTY; without even the implied warranty of
    #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    #  GNU General Public License for more details.
    #
    #  You should have received a copy of the GNU General Public License
    #  along with this program; if not, write to the Free Software Foundation,
    #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
    #
    # ##### END GPL LICENSE BLOCK #####
    
    # This Makefile does an out-of-source CMake build in ../build_`OS`_`CPU`
    # eg:
    #   ../build_linux_i386
    # This is for users who like to configure & build blender with a single command.
    
    define HELP_TEXT
    
    Convenience Targets
       Provided for building Blender, (multiple at once can be used).
    
       * debug:         Build a debug binary.
       * full:          Enable all supported dependencies & options.
       * lite:          Disable non essential features for a smaller binary and faster build.
       * headless:      Build without an interface (renderfarm or server automation).
       * cycles:        Build Cycles standalone only, without Blender.
       * bpy:           Build as a python module which can be loaded from python directly.
       * deps:          Build library dependencies (intended only for platform maintainers).
    
    
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       * developer:     Enable faster builds, error checking and tests, recommended for developers.
    
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       * config:        Run cmake configuration tool to set build options.
    
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       * ninja:         Use ninja build tool for faster builds.
    
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       Note: passing the argument 'BUILD_DIR=path' when calling make will override the default build dir.
       Note: passing the argument 'BUILD_CMAKE_ARGS=args' lets you add cmake arguments.
    
    
    Project Files
    
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       Generate project files for development environments.
    
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       * project_qtcreator:     QtCreator Project Files.
       * project_netbeans:      NetBeans Project Files.
       * project_eclipse:       Eclipse CDT4 Project Files.
    
    Package Targets
    
       * package_debian:    Build a debian package.
       * package_pacman:    Build an arch linux pacman package.
       * package_archive:	Build an archive package.
    
    Testing Targets
       Not associated with building Blender.
    
       * test:
    
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         Run automated tests with ctest.
    
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       * test_cmake:
         Runs our own cmake file checker
         which detects errors in the cmake file list definitions
       * test_pep8:
         Checks all python script are pep8
         which are tagged to use the stricter formatting
       * test_deprecated:
         Checks for deprecation tags in our code which may need to be removed
       * test_style_c:
         Checks C/C++ conforms with blenders style guide:
         https://wiki.blender.org/wiki/Source/Code_Style
       * test_style_c_qtc:
         Same as test_style but outputs QtCreator tasks format
       * test_style_osl:
         Checks OpenShadingLanguage conforms with blenders style guide:
         https://wiki.blender.org/wiki/Source/Code_Style
       * test_style_osl_qtc:
         Checks OpenShadingLanguage conforms with blenders style guide:
         https://wiki.blender.org/wiki/Source/Code_Style
    
    Static Source Code Checking
       Not associated with building Blender.
    
       * check_cppcheck:        Run blender source through cppcheck (C & C++).
       * check_clang_array:     Run blender source through clang array checking script (C & C++).
       * check_splint:          Run blenders source through splint (C only).
       * check_sparse:          Run blenders source through sparse (C only).
       * check_smatch:          Run blenders source through smatch (C only).
       * check_spelling_c:      Check for spelling errors (C/C++ only).
       * check_spelling_c_qtc:  Same as check_spelling_c but outputs QtCreator tasks format.
       * check_spelling_osl:    Check for spelling errors (OSL only).
       * check_spelling_py:     Check for spelling errors (Python only).
       * check_descriptions:    Check for duplicate/invalid descriptions.
    
    Utilities
       Not associated with building Blender.
    
       * icons:
         Updates PNG icons from SVG files.
    
         Optionally pass in variables: 'BLENDER_BIN', 'INKSCAPE_BIN'
         otherwise default paths are used.
    
         Example
            make icons INKSCAPE_BIN=/path/to/inkscape
    
       * icons_geom:
         Updates Geometry icons from BLEND file.
    
         Optionally pass in variable: 'BLENDER_BIN'
         otherwise default paths are used.
    
         Example
            make icons_geom BLENDER_BIN=/path/to/blender
    
    
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       * source_archive:
    
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         Create a compressed archive of the source code.
    
       * update:
         updates git and all submodules
    
       * format
         Format source code using clang (uses PATHS if passed in). For example::
    
            make format PATHS="source/blender/blenlib source/blender/blenkernel"
    
    Environment Variables
    
       * BUILD_CMAKE_ARGS:      Arguments passed to CMake.
       * BUILD_DIR:             Override default build path.
       * PYTHON:                Use this for the Python command (used for checking tools).
       * NPROCS:                Number of processes to use building (auto-detect when omitted).
    
    Documentation Targets
       Not associated with building Blender.
    
       * doc_py:        Generate sphinx python api docs.
       * doc_doxy:      Generate doxygen C/C++ docs.
       * doc_dna:       Generate blender file format reference.
       * doc_man:       Generate manpage.
    
    Information
    
       * help:              This help message.
       * help_features:     Show a list of optional features when building.
    
    endef
    # HELP_TEXT (end)
    
    
    # System Vars
    OS:=$(shell uname -s)
    OS_NCASE:=$(shell uname -s | tr '[A-Z]' '[a-z]')
    CPU:=$(shell uname -m)
    
    
    # Source and Build DIR's
    BLENDER_DIR:=$(shell pwd -P)
    BUILD_TYPE:=Release
    
    
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    # CMake arguments, assigned to local variable to make it mutable.
    CMAKE_CONFIG_ARGS := $(BUILD_CMAKE_ARGS)
    
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    ifndef BUILD_DIR
    	BUILD_DIR:=$(shell dirname "$(BLENDER_DIR)")/build_$(OS_NCASE)
    endif
    
    # Dependencies DIR's
    DEPS_SOURCE_DIR:=$(BLENDER_DIR)/build_files/build_environment
    
    ifndef DEPS_BUILD_DIR
    	DEPS_BUILD_DIR:=$(BUILD_DIR)/deps
    endif
    
    ifndef DEPS_INSTALL_DIR
    	DEPS_INSTALL_DIR:=$(shell dirname "$(BLENDER_DIR)")/lib/$(OS_NCASE)
    
    	ifneq ($(OS_NCASE),darwin)
    		# Add processor type to directory name
    		DEPS_INSTALL_DIR:=$(DEPS_INSTALL_DIR)_$(CPU)
    	endif
    endif
    
    # Allow to use alternative binary (pypy3, etc)
    ifndef PYTHON
    	PYTHON:=python3
    endif
    
    
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    # For macOS python3 is not installed by default, so fallback to python binary
    # in libraries, or python 2 for running make update to get it.
    ifeq ($(OS_NCASE),darwin)
    	ifeq (, $(shell command -v $(PYTHON)))
    		PYTHON:=../lib/darwin/python/bin/python3.7m
    		ifeq (, $(shell command -v $(PYTHON)))
    			PYTHON:=python
    		endif
    	endif
    endif
    
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    # -----------------------------------------------------------------------------
    # additional targets for the build configuration
    
    # support 'make debug'
    ifneq "$(findstring debug, $(MAKECMDGOALS))" ""
    	BUILD_DIR:=$(BUILD_DIR)_debug
    	BUILD_TYPE:=Debug
    endif
    ifneq "$(findstring full, $(MAKECMDGOALS))" ""
    	BUILD_DIR:=$(BUILD_DIR)_full
    
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    	CMAKE_CONFIG_ARGS:=-C"$(BLENDER_DIR)/build_files/cmake/config/blender_full.cmake" $(CMAKE_CONFIG_ARGS)
    
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    endif
    ifneq "$(findstring lite, $(MAKECMDGOALS))" ""
    	BUILD_DIR:=$(BUILD_DIR)_lite
    
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    	CMAKE_CONFIG_ARGS:=-C"$(BLENDER_DIR)/build_files/cmake/config/blender_lite.cmake" $(CMAKE_CONFIG_ARGS)
    
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    endif
    ifneq "$(findstring cycles, $(MAKECMDGOALS))" ""
    	BUILD_DIR:=$(BUILD_DIR)_cycles
    
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    	CMAKE_CONFIG_ARGS:=-C"$(BLENDER_DIR)/build_files/cmake/config/cycles_standalone.cmake" $(CMAKE_CONFIG_ARGS)
    
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    endif
    ifneq "$(findstring headless, $(MAKECMDGOALS))" ""
    	BUILD_DIR:=$(BUILD_DIR)_headless
    
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    	CMAKE_CONFIG_ARGS:=-C"$(BLENDER_DIR)/build_files/cmake/config/blender_headless.cmake" $(CMAKE_CONFIG_ARGS)
    
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    endif
    ifneq "$(findstring bpy, $(MAKECMDGOALS))" ""
    	BUILD_DIR:=$(BUILD_DIR)_bpy
    
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    	CMAKE_CONFIG_ARGS:=-C"$(BLENDER_DIR)/build_files/cmake/config/bpy_module.cmake" $(CMAKE_CONFIG_ARGS)
    
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    endif
    
    
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    ifneq "$(findstring developer, $(MAKECMDGOALS))" ""
    	CMAKE_CONFIG_ARGS:=-C"$(BLENDER_DIR)/build_files/cmake/config/blender_developer.cmake" $(CMAKE_CONFIG_ARGS)
    endif
    
    # -----------------------------------------------------------------------------
    # build tool
    
    ifneq "$(findstring ninja, $(MAKECMDGOALS))" ""
    	CMAKE_CONFIG_ARGS:=$(CMAKE_CONFIG_ARGS) -G Ninja
    	BUILD_COMMAND:=ninja
    	DEPS_BUILD_COMMAND:=ninja
    else
    	ifneq ("$(wildcard $(BUILD_DIR)/build.ninja)","")
    		BUILD_COMMAND:=ninja
    	else
    		BUILD_COMMAND:=make -s
    	endif
    
    	ifneq ("$(wildcard $(DEPS_BUILD_DIR)/build.ninja)","")
    		DEPS_BUILD_COMMAND:=ninja
    	else
    		DEPS_BUILD_COMMAND:=make -s
    	endif
    endif
    
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    # -----------------------------------------------------------------------------
    # Blender binary path
    
    # Allow passing in own BLENDER_BIN so developers who don't
    # use the default build path can still use utility helpers.
    ifeq ($(OS), Darwin)
    
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    	BLENDER_BIN?="$(BUILD_DIR)/bin/Blender.app/Contents/MacOS/Blender"
    
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    else
    	BLENDER_BIN?="$(BUILD_DIR)/bin/blender"
    endif
    
    
    # -----------------------------------------------------------------------------
    # Get the number of cores for threaded build
    ifndef NPROCS
    	NPROCS:=1
    	ifeq ($(OS), Linux)
    		NPROCS:=$(shell nproc)
    	endif
    
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    	ifeq ($(OS), NetBSD)
    		NPROCS:=$(shell getconf NPROCESSORS_ONLN)
    	endif
    	ifneq (,$(filter $(OS),Darwin FreeBSD))
    
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    		NPROCS:=$(shell sysctl -n hw.ncpu)
    	endif
    endif
    
    
    # -----------------------------------------------------------------------------
    # Macro for configuring cmake
    
    
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    CMAKE_CONFIG = cmake $(CMAKE_CONFIG_ARGS) \
    
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                         -H"$(BLENDER_DIR)" \
                         -B"$(BUILD_DIR)" \
                         -DCMAKE_BUILD_TYPE_INIT:STRING=$(BUILD_TYPE)
    
    
    # -----------------------------------------------------------------------------
    # Tool for 'make config'
    
    # X11 spesific
    ifdef DISPLAY
    	CMAKE_CONFIG_TOOL = cmake-gui
    else
    	CMAKE_CONFIG_TOOL = ccmake
    endif
    
    
    # -----------------------------------------------------------------------------
    # Build Blender
    all: .FORCE
    	@echo
    	@echo Configuring Blender in \"$(BUILD_DIR)\" ...
    
    #	# if test ! -f $(BUILD_DIR)/CMakeCache.txt ; then \
    #	# 	$(CMAKE_CONFIG); \
    #	# fi
    
    #	# do this always incase of failed initial build, could be smarter here...
    	@$(CMAKE_CONFIG)
    
    	@echo
    	@echo Building Blender ...
    
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    	$(BUILD_COMMAND) -C "$(BUILD_DIR)" -j $(NPROCS) install
    
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    	@echo
    	@echo edit build configuration with: "$(BUILD_DIR)/CMakeCache.txt" run make again to rebuild.
    	@echo Blender successfully built, run from: $(BLENDER_BIN)
    	@echo
    
    debug: all
    full: all
    lite: all
    cycles: all
    headless: all
    bpy: all
    
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    developer: all
    ninja: all
    
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    # -----------------------------------------------------------------------------
    # Build dependencies
    DEPS_TARGET = install
    ifneq "$(findstring clean, $(MAKECMDGOALS))" ""
    	DEPS_TARGET = clean
    endif
    
    deps: .FORCE
    	@echo
    	@echo Configuring dependencies in \"$(DEPS_BUILD_DIR)\"
    
    	@cmake -H"$(DEPS_SOURCE_DIR)" \
    	       -B"$(DEPS_BUILD_DIR)" \
    		   -DHARVEST_TARGET=$(DEPS_INSTALL_DIR)
    
    	@echo
    	@echo Building dependencies ...
    
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    	$(DEPS_BUILD_COMMAND) -C "$(DEPS_BUILD_DIR)" -j $(NPROCS) $(DEPS_TARGET)
    
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    	@echo
    	@echo Dependencies successfully built and installed to $(DEPS_INSTALL_DIR).
    	@echo
    
    # -----------------------------------------------------------------------------
    # Configuration (save some cd'ing around)
    config: .FORCE
    	$(CMAKE_CONFIG_TOOL) "$(BUILD_DIR)"
    
    
    # -----------------------------------------------------------------------------
    # Help for build targets
    export HELP_TEXT
    help: .FORCE
    	@echo "$$HELP_TEXT"
    
    # -----------------------------------------------------------------------------
    # Packages
    #
    package_debian: .FORCE
    	cd build_files/package_spec ; DEB_BUILD_OPTIONS="parallel=$(NPROCS)" sh ./build_debian.sh
    
    package_pacman: .FORCE
    	cd build_files/package_spec/pacman ; MAKEFLAGS="-j$(NPROCS)" makepkg
    
    package_archive: .FORCE
    	make -C "$(BUILD_DIR)" -s package_archive
    	@echo archive in "$(BUILD_DIR)/release"
    
    
    # -----------------------------------------------------------------------------
    # Tests
    #
    test: .FORCE
    
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    	$(PYTHON) ./build_files/utils/make_test.py "$(BUILD_DIR)"
    
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    # run pep8 check check on scripts we distribute.
    test_pep8: .FORCE
    	$(PYTHON) tests/python/pep8.py > test_pep8.log 2>&1
    	@echo "written: test_pep8.log"
    
    # run some checks on our cmakefiles.
    test_cmake: .FORCE
    	$(PYTHON) build_files/cmake/cmake_consistency_check.py > test_cmake_consistency.log 2>&1
    	@echo "written: test_cmake_consistency.log"
    
    # run deprecation tests, see if we have anything to remove.
    test_deprecated: .FORCE
    	$(PYTHON) tests/check_deprecated.py
    
    test_style_c: .FORCE
    	# run our own checks on C/C++ style
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_style_c.py" \
    	    "$(BLENDER_DIR)/source/blender" \
    	    "$(BLENDER_DIR)/source/creator" \
    	    --no-length-check
    
    test_style_c_qtc: .FORCE
    	# run our own checks on C/C++ style
    	USE_QTC_TASK=1 \
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_style_c.py" \
    	    "$(BLENDER_DIR)/source/blender" \
    	    "$(BLENDER_DIR)/source/creator" \
    	    --no-length-check \
    	    > \
    	    "$(BLENDER_DIR)/test_style.tasks"
    	@echo "written: test_style.tasks"
    
    
    test_style_osl: .FORCE
    	# run our own checks on C/C++ style
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_style_c.py" \
    	    "$(BLENDER_DIR)/intern/cycles/kernel/shaders" \
    	    "$(BLENDER_DIR)/release/scripts/templates_osl"
    
    
    test_style_osl_qtc: .FORCE
    	# run our own checks on C/C++ style
    	USE_QTC_TASK=1 \
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_style_c.py" \
    	    "$(BLENDER_DIR)/intern/cycles/kernel/shaders" \
    	    "$(BLENDER_DIR)/release/scripts/templates_osl" \
    	    > \
    	    "$(BLENDER_DIR)/test_style.tasks"
    	@echo "written: test_style.tasks"
    
    # -----------------------------------------------------------------------------
    # Project Files
    #
    
    project_qtcreator: .FORCE
    	$(PYTHON) build_files/cmake/cmake_qtcreator_project.py --build-dir "$(BUILD_DIR)"
    
    project_netbeans: .FORCE
    	$(PYTHON) build_files/cmake/cmake_netbeans_project.py "$(BUILD_DIR)"
    
    project_eclipse: .FORCE
    	cmake -G"Eclipse CDT4 - Unix Makefiles" -H"$(BLENDER_DIR)" -B"$(BUILD_DIR)"
    
    
    # -----------------------------------------------------------------------------
    # Static Checking
    #
    
    check_cppcheck: .FORCE
    	$(CMAKE_CONFIG)
    	cd "$(BUILD_DIR)" ; \
    	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_cppcheck.py" 2> \
    	    "$(BLENDER_DIR)/check_cppcheck.txt"
    	@echo "written: check_cppcheck.txt"
    
    check_clang_array: .FORCE
    	$(CMAKE_CONFIG)
    	cd "$(BUILD_DIR)" ; \
    	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_clang_array.py"
    
    check_splint: .FORCE
    	$(CMAKE_CONFIG)
    	cd "$(BUILD_DIR)" ; \
    	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_splint.py"
    
    check_sparse: .FORCE
    	$(CMAKE_CONFIG)
    	cd "$(BUILD_DIR)" ; \
    	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_sparse.py"
    
    check_smatch: .FORCE
    	$(CMAKE_CONFIG)
    	cd "$(BUILD_DIR)" ; \
    	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_smatch.py"
    
    check_spelling_py: .FORCE
    	cd "$(BUILD_DIR)" ; \
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
    	    "$(BLENDER_DIR)/release/scripts"
    
    check_spelling_c: .FORCE
    	cd "$(BUILD_DIR)" ; \
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
    	    "$(BLENDER_DIR)/source" \
    	    "$(BLENDER_DIR)/intern/cycles" \
    	    "$(BLENDER_DIR)/intern/guardedalloc" \
    	    "$(BLENDER_DIR)/intern/ghost" \
    
    check_spelling_c_qtc: .FORCE
    	cd "$(BUILD_DIR)" ; USE_QTC_TASK=1 \
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
    	    "$(BLENDER_DIR)/source" \
    	    "$(BLENDER_DIR)/intern/cycles" \
    	    "$(BLENDER_DIR)/intern/guardedalloc" \
    	    "$(BLENDER_DIR)/intern/ghost" \
    	    > \
    	    "$(BLENDER_DIR)/check_spelling_c.tasks"
    
    check_spelling_osl: .FORCE
    	cd "$(BUILD_DIR)" ;\
    	PYTHONIOENCODING=utf_8 $(PYTHON) \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
    	    "$(BLENDER_DIR)/intern/cycles/kernel/shaders"
    
    check_descriptions: .FORCE
    	$(BLENDER_BIN) --background -noaudio --factory-startup --python \
    	    "$(BLENDER_DIR)/source/tools/check_source/check_descriptions.py"
    
    # -----------------------------------------------------------------------------
    # Utilities
    #
    
    
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    source_archive: .FORCE
    	./build_files/utils/make_source_archive.sh
    
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    INKSCAPE_BIN?="inkscape"
    icons: .FORCE
    	BLENDER_BIN=$(BLENDER_BIN) INKSCAPE_BIN=$(INKSCAPE_BIN) \
    		"$(BLENDER_DIR)/release/datafiles/blender_icons_update.py"
    	BLENDER_BIN=$(BLENDER_BIN) INKSCAPE_BIN=$(INKSCAPE_BIN) \
    		"$(BLENDER_DIR)/release/datafiles/prvicons_update.py"
    
    icons_geom: .FORCE
    	BLENDER_BIN=$(BLENDER_BIN) \
    	    "$(BLENDER_DIR)/release/datafiles/blender_icons_geom_update.py"
    
    update: .FORCE
    
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    	$(PYTHON) ./build_files/utils/make_update.py
    
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    format: .FORCE
    
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    	PATH="../lib/${OS_NCASE}_${CPU}/llvm/bin/:../lib/${OS_NCASE}_centos7_${CPU}/llvm/bin/:../lib/${OS_NCASE}/llvm/bin/:$(PATH)" \
    		$(PYTHON) source/tools/utils_maintenance/clang_format_paths.py $(PATHS)
    
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    # -----------------------------------------------------------------------------
    # Documentation
    #
    
    # Simple version of ./doc/python_api/sphinx_doc_gen.sh with no PDF generation.
    doc_py: .FORCE
    	ASAN_OPTIONS=halt_on_error=0 \
    	$(BLENDER_BIN) --background -noaudio --factory-startup \
    		--python doc/python_api/sphinx_doc_gen.py
    	cd doc/python_api ; sphinx-build -b html sphinx-in sphinx-out
    	@echo "docs written into: '$(BLENDER_DIR)/doc/python_api/sphinx-out/index.html'"
    
    doc_doxy: .FORCE
    	cd doc/doxygen; doxygen Doxyfile
    	@echo "docs written into: '$(BLENDER_DIR)/doc/doxygen/html/index.html'"
    
    doc_dna: .FORCE
    	$(BLENDER_BIN) --background -noaudio --factory-startup \
    		--python doc/blender_file_format/BlendFileDnaExporter_25.py
    	@echo "docs written into: '$(BLENDER_DIR)/doc/blender_file_format/dna.html'"
    
    doc_man: .FORCE
    	$(PYTHON) doc/manpage/blender.1.py $(BLENDER_BIN) blender.1
    
    help_features: .FORCE
    	@$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_print_build_options.py" $(BLENDER_DIR)"/CMakeLists.txt"
    
    clean: .FORCE
    
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    	$(BUILD_COMMAND) -C "$(BUILD_DIR)" clean
    
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    Milan Jaros committed
    
    .PHONY: all
    
    .FORCE: