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virtualx-engine/SConstruct
Hugo Locurcio 8f12a01d45
Alias platform=web SCons option to platform=javascript 
This makes build scripts forward-compatible, as was already done
for other platforms that were renamed in 4.0.
2023-11-16 15:49:44 +01:00

805 lines
32 KiB
Python
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#!/usr/bin/env python
EnsureSConsVersion(0, 98, 1)
# System
import atexit
import glob
import os
import pickle
import sys
import time
from collections import OrderedDict
# Local
import methods
import gles_builders
import scu_builders
from platform_methods import run_in_subprocess
# scan possible build platforms
platform_list = [] # list of platforms
platform_opts = {} # options for each platform
platform_flags = {} # flags for each platform
active_platforms = []
active_platform_ids = []
platform_exporters = []
platform_apis = []
time_at_start = time.time()
for x in sorted(glob.glob("platform/*")):
if not os.path.isdir(x) or not os.path.exists(x + "/detect.py"):
continue
tmppath = "./" + x
sys.path.insert(0, tmppath)
import detect
if os.path.exists(x + "/export/export.cpp"):
platform_exporters.append(x[9:])
if os.path.exists(x + "/api/api.cpp"):
platform_apis.append(x[9:])
if detect.is_active():
active_platforms.append(detect.get_name())
active_platform_ids.append(x)
if detect.can_build():
x = x.replace("platform/", "") # rest of world
x = x.replace("platform\\", "") # win32
platform_list += [x]
platform_opts[x] = detect.get_opts()
platform_flags[x] = detect.get_flags()
sys.path.remove(tmppath)
sys.modules.pop("detect")
methods.save_active_platforms(active_platforms, active_platform_ids)
custom_tools = ["default"]
platform_arg = ARGUMENTS.get("platform", ARGUMENTS.get("p", False))
if platform_arg == "android":
custom_tools = ["clang", "clang++", "as", "ar", "link"]
elif platform_arg == "javascript":
# Use generic POSIX build toolchain for Emscripten.
custom_tools = ["cc", "c++", "ar", "link", "textfile", "zip"]
elif os.name == "nt" and methods.get_cmdline_bool("use_mingw", False):
custom_tools = ["mingw"]
# We let SCons build its default ENV as it includes OS-specific things which we don't
# want to have to pull in manually.
# Then we prepend PATH to make it take precedence, while preserving SCons' own entries.
env_base = Environment(tools=custom_tools)
env_base.PrependENVPath("PATH", os.getenv("PATH"))
env_base.PrependENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH"))
if "TERM" in os.environ: # Used for colored output.
env_base["ENV"]["TERM"] = os.environ["TERM"]
env_base.disabled_modules = []
env_base.use_ptrcall = False
env_base.module_version_string = ""
env_base.msvc = False
env_base.__class__.disable_module = methods.disable_module
env_base.__class__.add_module_version_string = methods.add_module_version_string
env_base.__class__.add_source_files = methods.add_source_files
env_base.__class__.use_windows_spawn_fix = methods.use_windows_spawn_fix
env_base.__class__.split_lib = methods.split_lib
env_base.__class__.add_shared_library = methods.add_shared_library
env_base.__class__.add_library = methods.add_library
env_base.__class__.add_program = methods.add_program
env_base.__class__.CommandNoCache = methods.CommandNoCache
env_base.__class__.disable_warnings = methods.disable_warnings
env_base.__class__.force_optimization_on_debug = methods.force_optimization_on_debug
env_base["x86_libtheora_opt_gcc"] = False
env_base["x86_libtheora_opt_vc"] = False
# avoid issues when building with different versions of python out of the same directory
env_base.SConsignFile(".sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL))
# Build options
customs = ["custom.py"]
profile = ARGUMENTS.get("profile", "")
if profile:
if os.path.isfile(profile):
customs.append(profile)
elif os.path.isfile(profile + ".py"):
customs.append(profile + ".py")
opts = Variables(customs, ARGUMENTS)
# Target build options
opts.Add("p", "Platform (alias for 'platform')", "")
opts.Add("platform", "Target platform (%s)" % ("|".join(platform_list),), "")
opts.Add(BoolVariable("tools", "Build the tools (a.k.a. the Godot editor)", True))
opts.Add(EnumVariable("target", "Compilation target", "debug", ("debug", "release_debug", "release")))
opts.Add("arch", "Platform-dependent architecture (arm/arm64/x86/x64/mips/...)", "")
opts.Add(EnumVariable("bits", "Target platform bits", "default", ("default", "32", "64")))
opts.Add(EnumVariable("optimize", "Optimization type", "speed", ("speed", "size", "none")))
opts.Add(BoolVariable("production", "Set defaults to build Godot for use in production", False))
opts.Add(EnumVariable("lto", "Link-time optimization (production builds)", "none", ("none", "auto", "thin", "full")))
# Components
opts.Add(BoolVariable("deprecated", "Enable deprecated features", True))
opts.Add(BoolVariable("minizip", "Enable ZIP archive support using minizip", True))
opts.Add(BoolVariable("xaudio2", "Enable the XAudio2 audio driver", False))
opts.Add(BoolVariable("disable_exceptions", "Force disabling exception handling code", True))
opts.Add("custom_modules", "A list of comma-separated directory paths containing custom modules to build.", "")
opts.Add(BoolVariable("custom_modules_recursive", "Detect custom modules recursively for each specified path.", True))
# Advanced options
opts.Add(BoolVariable("dev", "If yes, alias for verbose=yes warnings=extra werror=yes", False))
opts.Add(BoolVariable("fast_unsafe", "Enable unsafe options for faster rebuilds", False))
opts.Add(BoolVariable("compiledb", "Generate compilation DB (`compile_commands.json`) for external tools", False))
opts.Add(BoolVariable("verbose", "Enable verbose output for the compilation", False))
opts.Add(BoolVariable("progress", "Show a progress indicator during compilation", True))
opts.Add(EnumVariable("warnings", "Level of compilation warnings", "all", ("extra", "all", "moderate", "no")))
opts.Add(BoolVariable("werror", "Treat compiler warnings as errors", False))
opts.Add("extra_suffix", "Custom extra suffix added to the base filename of all generated binary files", "")
opts.Add(BoolVariable("vsproj", "Generate a Visual Studio solution", False))
opts.Add(
BoolVariable(
"split_libmodules",
"Split intermediate libmodules.a in smaller chunks to prevent exceeding linker command line size (forced to True when using MinGW)",
False,
)
)
opts.Add(BoolVariable("disable_3d", "Disable 3D nodes for a smaller executable", False))
opts.Add(BoolVariable("disable_advanced_gui", "Disable advanced GUI nodes and behaviors", False))
opts.Add(BoolVariable("no_editor_splash", "Don't use the custom splash screen for the editor", True))
opts.Add("system_certs_path", "Use this path as SSL certificates default for editor (for package maintainers)", "")
opts.Add(BoolVariable("use_precise_math_checks", "Math checks use very precise epsilon (debug option)", False))
opts.Add(BoolVariable("scu_build", "Use single compilation unit build", False))
opts.Add(
EnumVariable(
"rids",
"Server object management technique (debug option)",
"pointers",
("pointers", "handles", "tracked_handles"),
)
)
# Thirdparty libraries
opts.Add(BoolVariable("builtin_bullet", "Use the built-in Bullet library", True))
opts.Add(BoolVariable("builtin_certs", "Use the built-in SSL certificates bundles", True))
opts.Add(BoolVariable("builtin_embree", "Use the built-in Embree library", True))
opts.Add(BoolVariable("builtin_enet", "Use the built-in ENet library", True))
opts.Add(BoolVariable("builtin_freetype", "Use the built-in FreeType library", True))
opts.Add(BoolVariable("builtin_libogg", "Use the built-in libogg library", True))
opts.Add(BoolVariable("builtin_libpng", "Use the built-in libpng library", True))
opts.Add(BoolVariable("builtin_libtheora", "Use the built-in libtheora library", True))
opts.Add(BoolVariable("builtin_libvorbis", "Use the built-in libvorbis library", True))
opts.Add(BoolVariable("builtin_libvpx", "Use the built-in libvpx library", True))
opts.Add(BoolVariable("builtin_libwebp", "Use the built-in libwebp library", True))
opts.Add(BoolVariable("builtin_wslay", "Use the built-in wslay library", True))
opts.Add(BoolVariable("builtin_mbedtls", "Use the built-in mbedTLS library", True))
opts.Add(BoolVariable("builtin_miniupnpc", "Use the built-in miniupnpc library", True))
opts.Add(BoolVariable("builtin_opus", "Use the built-in Opus library", True))
opts.Add(BoolVariable("builtin_pcre2", "Use the built-in PCRE2 library", True))
opts.Add(BoolVariable("builtin_pcre2_with_jit", "Use JIT compiler for the built-in PCRE2 library", True))
opts.Add(BoolVariable("builtin_recast", "Use the built-in Recast library", True))
opts.Add(BoolVariable("builtin_rvo2", "Use the built-in RVO2 library", True))
opts.Add(BoolVariable("builtin_squish", "Use the built-in squish library", True))
opts.Add(BoolVariable("builtin_xatlas", "Use the built-in xatlas library", True))
opts.Add(BoolVariable("builtin_zlib", "Use the built-in zlib library", True))
opts.Add(BoolVariable("builtin_zstd", "Use the built-in Zstd library", True))
# Compilation environment setup
opts.Add("CXX", "C++ compiler")
opts.Add("CC", "C compiler")
opts.Add("LINK", "Linker")
opts.Add("CCFLAGS", "Custom flags for both the C and C++ compilers")
opts.Add("CFLAGS", "Custom flags for the C compiler")
opts.Add("CXXFLAGS", "Custom flags for the C++ compiler")
opts.Add("LINKFLAGS", "Custom flags for the linker")
# Update the environment to have all above options defined
# in following code (especially platform and custom_modules).
opts.Update(env_base)
# Platform selection: validate input, and add options.
selected_platform = ""
if env_base["platform"] != "":
selected_platform = env_base["platform"]
elif env_base["p"] != "":
selected_platform = env_base["p"]
else:
# Missing `platform` argument, try to detect platform automatically
if (
sys.platform.startswith("linux")
or sys.platform.startswith("dragonfly")
or sys.platform.startswith("freebsd")
or sys.platform.startswith("netbsd")
or sys.platform.startswith("openbsd")
):
selected_platform = "x11"
elif sys.platform == "darwin":
selected_platform = "osx"
elif sys.platform == "win32":
selected_platform = "windows"
else:
print("Could not detect platform automatically. Supported platforms:")
for x in platform_list:
print("\t" + x)
print("\nPlease run SCons again and select a valid platform: platform=<string>")
if selected_platform != "":
print("Automatically detected platform: " + selected_platform)
if selected_platform == "macos":
# Alias for forward compatibility.
print('Platform "macos" is still called "osx" in Godot 3.x. Building for platform "osx".')
selected_platform = "osx"
if selected_platform == "ios":
# Alias for forward compatibility.
print('Platform "ios" is still called "iphone" in Godot 3.x. Building for platform "iphone".')
selected_platform = "iphone"
if selected_platform in ["linux", "bsd", "linuxbsd"]:
if selected_platform == "linuxbsd":
# Alias for forward compatibility.
print('Platform "linuxbsd" is still called "x11" in Godot 3.x. Building for platform "x11".')
# Alias for convenience.
selected_platform = "x11"
if selected_platform == "web":
# Alias for forward compatibility.
print('Platform "web" is still called "javascript" in Godot 3.x. Building for platform "javascript".')
selected_platform = "javascript"
# Make sure to update this to the found, valid platform as it's used through the buildsystem as the reference.
# It should always be re-set after calling `opts.Update()` otherwise it uses the original input value.
env_base["platform"] = selected_platform
# Add platform-specific options.
if selected_platform in platform_opts:
for opt in platform_opts[selected_platform]:
opts.Add(opt)
# Update the environment to take platform-specific options into account.
opts.Update(env_base)
env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
# Detect modules.
modules_detected = OrderedDict()
module_search_paths = ["modules"] # Built-in path.
if env_base["custom_modules"]:
paths = env_base["custom_modules"].split(",")
for p in paths:
try:
module_search_paths.append(methods.convert_custom_modules_path(p))
except ValueError as e:
print(e)
sys.exit(255)
for path in module_search_paths:
if path == "modules":
# Built-in modules don't have nested modules,
# so save the time it takes to parse directories.
modules = methods.detect_modules(path, recursive=False)
else: # Custom.
modules = methods.detect_modules(path, env_base["custom_modules_recursive"])
# Provide default include path for both the custom module search `path`
# and the base directory containing custom modules, as it may be different
# from the built-in "modules" name (e.g. "custom_modules/summator/summator.h"),
# so it can be referenced simply as `#include "summator/summator.h"`
# independently of where a module is located on user's filesystem.
env_base.Prepend(CPPPATH=[path, os.path.dirname(path)])
# Note: custom modules can override built-in ones.
modules_detected.update(modules)
# Add module options
for name, path in modules_detected.items():
enabled = True
sys.path.insert(0, path)
import config
try:
enabled = config.is_enabled()
except AttributeError:
pass
sys.path.remove(path)
sys.modules.pop("config")
opts.Add(BoolVariable("module_" + name + "_enabled", "Enable module '%s'" % (name,), enabled))
methods.write_modules(modules_detected)
# Update the environment again after all the module options are added.
opts.Update(env_base)
env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
Help(opts.GenerateHelpText(env_base))
# add default include paths
env_base.Prepend(CPPPATH=["#"])
# configure ENV for platform
env_base.platform_exporters = platform_exporters
env_base.platform_apis = platform_apis
# Build type defines - more platform-specific ones can be in detect.py.
if env_base["target"] == "release_debug" or env_base["target"] == "debug":
# DEBUG_ENABLED enables debugging *features* and debug-only code, which is intended
# to give *users* extra debugging information for their game development.
env_base.Append(CPPDEFINES=["DEBUG_ENABLED"])
if env_base["target"] == "debug":
# DEV_ENABLED enables *engine developer* code which should only be compiled for those
# working on the engine itself.
env_base.Append(CPPDEFINES=["DEV_ENABLED"])
else:
# Disable assert() for production targets (only used in thirdparty code).
env_base.Append(CPPDEFINES=["NDEBUG"])
# SCons speed optimization controlled by the `fast_unsafe` option, which provide
# more than 10 s speed up for incremental rebuilds.
# Unsafe as they reduce the certainty of rebuilding all changed files, so it's
# enabled by default for `debug` builds, and can be overridden from command line.
# Ref: https://github.com/SCons/scons/wiki/GoFastButton
if methods.get_cmdline_bool("fast_unsafe", env_base["target"] == "debug"):
# Renamed to `content-timestamp` in SCons >= 4.2, keeping MD5 for compat.
env_base.Decider("MD5-timestamp")
env_base.SetOption("implicit_cache", 1)
env_base.SetOption("max_drift", 60)
if env_base["use_precise_math_checks"]:
env_base.Append(CPPDEFINES=["PRECISE_MATH_CHECKS"])
if not env_base.File("#main/splash_editor.png").exists():
# Force disabling editor splash if missing.
env_base["no_editor_splash"] = True
if env_base["no_editor_splash"]:
env_base.Append(CPPDEFINES=["NO_EDITOR_SPLASH"])
if not env_base["deprecated"]:
env_base.Append(CPPDEFINES=["DISABLE_DEPRECATED"])
if env_base["rids"] == "handles":
env_base.Append(CPPDEFINES=["RID_HANDLES_ENABLED"])
print("WARNING: Building with RIDs as handles.")
if env_base["rids"] == "tracked_handles":
env_base.Append(CPPDEFINES=["RID_HANDLES_ENABLED"])
env_base.Append(CPPDEFINES=["RID_HANDLE_ALLOCATION_TRACKING_ENABLED"])
print("WARNING: Building with RIDs as tracked handles.")
if selected_platform in platform_list:
tmppath = "./platform/" + selected_platform
sys.path.insert(0, tmppath)
import detect
env = env_base.Clone()
# Default num_jobs to local cpu count if not user specified.
# SCons has a peculiarity where user-specified options won't be overridden
# by SetOption, so we can rely on this to know if we should use our default.
initial_num_jobs = env.GetOption("num_jobs")
altered_num_jobs = initial_num_jobs + 1
env.SetOption("num_jobs", altered_num_jobs)
# os.cpu_count() requires Python 3.4+.
if hasattr(os, "cpu_count") and env.GetOption("num_jobs") == altered_num_jobs:
cpu_count = os.cpu_count()
if cpu_count is None:
print("Couldn't auto-detect CPU count to configure build parallelism. Specify it with the -j argument.")
else:
safer_cpu_count = cpu_count if cpu_count <= 4 else cpu_count - 1
print(
"Auto-detected %d CPU cores available for build parallelism. Using %d cores by default. You can override it with the -j argument."
% (cpu_count, safer_cpu_count)
)
env.SetOption("num_jobs", safer_cpu_count)
env.extra_suffix = ""
if env["extra_suffix"] != "":
env.extra_suffix += "." + env["extra_suffix"]
# Environment flags
CCFLAGS = env.get("CCFLAGS", "")
env["CCFLAGS"] = ""
env.Append(CCFLAGS=str(CCFLAGS).split())
CFLAGS = env.get("CFLAGS", "")
env["CFLAGS"] = ""
env.Append(CFLAGS=str(CFLAGS).split())
CXXFLAGS = env.get("CXXFLAGS", "")
env["CXXFLAGS"] = ""
env.Append(CXXFLAGS=str(CXXFLAGS).split())
LINKFLAGS = env.get("LINKFLAGS", "")
env["LINKFLAGS"] = ""
env.Append(LINKFLAGS=str(LINKFLAGS).split())
# Platform specific flags.
# These can sometimes override default options.
flag_list = platform_flags[selected_platform]
for f in flag_list:
if not (f[0] in ARGUMENTS): # allow command line to override platform flags
env[f[0]] = f[1]
# 'dev' and 'production' are aliases to set default options if they haven't been
# set manually by the user.
# These need to be checked *after* platform specific flags so that different
# default values can be set (e.g. to keep LTO off for `production` on some platforms).
if env["dev"]:
env["verbose"] = methods.get_cmdline_bool("verbose", True)
env["warnings"] = ARGUMENTS.get("warnings", "extra")
env["werror"] = methods.get_cmdline_bool("werror", True)
if env["production"]:
env["use_static_cpp"] = methods.get_cmdline_bool("use_static_cpp", True)
env["debug_symbols"] = methods.get_cmdline_bool("debug_symbols", False)
# LTO "auto" means we handle the preferred option in each platform detect.py.
env["lto"] = ARGUMENTS.get("lto", "auto")
if not env["tools"] and env["target"] == "debug":
print(
"WARNING: Requested `production` build with `tools=no target=debug`, "
"this will give you a full debug template (use `target=release_debug` "
"for an optimized template with debug features)."
)
# Run SCU file generation script if in a SCU build.
if env["scu_build"]:
methods.set_scu_folders(scu_builders.generate_scu_files(env["verbose"], env_base["target"] != "debug"))
# Must happen after the flags' definition, as configure is when most flags
# are actually handled to change compile options, etc.
detect.configure(env)
# Needs to happen after configure to handle "auto".
if env["lto"] != "none":
print("Using LTO: " + env["lto"])
# Set our C and C++ standard requirements.
# Prepending to make it possible to override
# This needs to come after `configure`, otherwise we don't have env.msvc.
if not env.msvc:
# Specifying GNU extensions support explicitly, which are supported by
# both GCC and Clang. This mirrors GCC and Clang's current default
# compile flags if no -std is specified.
env.Prepend(CFLAGS=["-std=gnu11"])
env.Prepend(CXXFLAGS=["-std=gnu++14"])
else:
# MSVC doesn't have clear C standard support, /std only covers C++.
# We apply it to CCFLAGS (both C and C++ code) in case it impacts C features.
env.Prepend(CCFLAGS=["/std:c++14"])
# Handle renamed options.
if "use_lto" in ARGUMENTS or "use_thinlto" in ARGUMENTS:
print("Error: The `use_lto` and `use_thinlto` boolean options have been unified to `lto=<none|thin|full>`.")
print(" Please adjust your scripts accordingly.")
Exit(255)
if "use_lld" in ARGUMENTS:
print("Error: The `use_lld` boolean option has been replaced by `linker=<default|bfd|gold|lld|mold>`.")
print(" Please adjust your scripts accordingly.")
Exit(255)
# Disable exception handling. Godot doesn't use exceptions anywhere, and this
# saves around 20% of binary size and very significant build time (GH-80513).
if env["disable_exceptions"]:
if env.msvc:
env.Append(CPPDEFINES=[("_HAS_EXCEPTIONS", 0)])
else:
env.Append(CCFLAGS=["-fno-exceptions"])
elif env.msvc:
env.Append(CCFLAGS=["/EHsc"])
# Configure compiler warnings
if env.msvc: # MSVC
# Truncations, narrowing conversions, signed/unsigned comparisons...
disable_nonessential_warnings = ["/wd4267", "/wd4244", "/wd4305", "/wd4018", "/wd4800"]
if env["warnings"] == "extra":
env.Append(CCFLAGS=["/Wall"]) # Implies /W4
elif env["warnings"] == "all":
env.Append(CCFLAGS=["/W3"] + disable_nonessential_warnings)
elif env["warnings"] == "moderate":
env.Append(CCFLAGS=["/W2"] + disable_nonessential_warnings)
else: # 'no'
env.Append(CCFLAGS=["/w"])
if env["werror"]:
env.Append(CCFLAGS=["/WX"])
env.Append(LINKFLAGS=["/WX"])
else: # GCC, Clang
version = methods.get_compiler_version(env) or [-1, -1]
common_warnings = []
if methods.using_gcc(env):
common_warnings += ["-Wno-misleading-indentation"]
if version[0] >= 7:
common_warnings += ["-Wshadow-local"]
elif methods.using_clang(env) or methods.using_emcc(env):
# We often implement `operator<` for structs of pointers as a requirement
# for putting them in `Set` or `Map`. We don't mind about unreliable ordering.
common_warnings += ["-Wno-ordered-compare-function-pointers"]
if env["warnings"] == "extra":
# Note: enable -Wimplicit-fallthrough for Clang (already part of -Wextra for GCC)
# once we switch to C++11 or later (necessary for our FALLTHROUGH macro).
env.Append(CCFLAGS=["-Wall", "-Wextra", "-Wwrite-strings", "-Wno-unused-parameter"] + common_warnings)
env.Append(CXXFLAGS=["-Wctor-dtor-privacy", "-Wnon-virtual-dtor"])
if methods.using_gcc(env):
env.Append(
CCFLAGS=[
"-Walloc-zero",
"-Wduplicated-branches",
"-Wduplicated-cond",
"-Wstringop-overflow=4",
"-Wlogical-op",
]
)
env.Append(CXXFLAGS=["-Wnoexcept", "-Wplacement-new=1"])
if version[0] >= 9:
env.Append(CCFLAGS=["-Wattribute-alias=2"])
elif env["warnings"] == "all":
env.Append(CCFLAGS=["-Wall"] + common_warnings)
elif env["warnings"] == "moderate":
env.Append(CCFLAGS=["-Wall", "-Wno-unused"] + common_warnings)
else: # 'no'
env.Append(CCFLAGS=["-w"])
if env["werror"]:
env.Append(CCFLAGS=["-Werror"])
if methods.using_gcc(env) and version[0] >= 12: # False positives in our error macros, see GH-58747.
env.Append(CCFLAGS=["-Wno-error=return-type"])
if hasattr(detect, "get_program_suffix"):
suffix = "." + detect.get_program_suffix()
else:
suffix = "." + selected_platform
if env["target"] == "release":
if env["tools"]:
print("ERROR: The editor can only be built with `target=debug` or `target=release_debug`.")
print(" Use `tools=no target=release` to build a release export template.")
Exit(255)
suffix += ".opt"
elif env["target"] == "release_debug":
if env["tools"]:
suffix += ".opt.tools"
else:
suffix += ".opt.debug"
else:
if env["tools"]:
print(
"Note: Building a debug binary (which will run slowly). Use `target=release_debug` to build an optimized release binary."
)
suffix += ".tools"
else:
print(
"Note: Building a debug binary (which will run slowly). Use `target=release` to build an optimized release binary."
)
suffix += ".debug"
if env["arch"] != "":
suffix += "." + env["arch"]
elif env["bits"] == "32":
suffix += ".32"
elif env["bits"] == "64":
suffix += ".64"
suffix += env.extra_suffix
sys.path.remove(tmppath)
sys.modules.pop("detect")
modules_enabled = OrderedDict()
env.module_icons_paths = []
env.doc_class_path = {}
for name, path in modules_detected.items():
if not env["module_" + name + "_enabled"]:
continue
sys.path.insert(0, path)
env.current_module = name
import config
# can_build changed number of arguments between 3.0 (1) and 3.1 (2),
# so try both to preserve compatibility for 3.0 modules
can_build = False
try:
can_build = config.can_build(env, selected_platform)
except TypeError:
print(
"Warning: module '%s' uses a deprecated `can_build` "
"signature in its config.py file, it should be "
"`can_build(env, platform)`." % x
)
can_build = config.can_build(selected_platform)
if can_build:
config.configure(env)
# Get doc classes paths (if present)
try:
doc_classes = config.get_doc_classes()
doc_path = config.get_doc_path()
for c in doc_classes:
env.doc_class_path[c] = path + "/" + doc_path
except Exception:
pass
# Get icon paths (if present)
try:
icons_path = config.get_icons_path()
env.module_icons_paths.append(path + "/" + icons_path)
except Exception:
# Default path for module icons
env.module_icons_paths.append(path + "/" + "icons")
modules_enabled[name] = path
sys.path.remove(path)
sys.modules.pop("config")
env.module_list = modules_enabled
methods.generate_version_header(env.module_version_string)
env["PROGSUFFIX"] = suffix + env.module_version_string + env["PROGSUFFIX"]
env["OBJSUFFIX"] = suffix + env["OBJSUFFIX"]
# (SH)LIBSUFFIX will be used for our own built libraries
# LIBSUFFIXES contains LIBSUFFIX and SHLIBSUFFIX by default,
# so we need to append the default suffixes to keep the ability
# to link against thirdparty libraries (.a, .so, .lib, etc.).
if os.name == "nt":
# On Windows, only static libraries and import libraries can be
# statically linked - both using .lib extension
env["LIBSUFFIXES"] += [env["LIBSUFFIX"]]
else:
env["LIBSUFFIXES"] += [env["LIBSUFFIX"], env["SHLIBSUFFIX"]]
env["LIBSUFFIX"] = suffix + env["LIBSUFFIX"]
env["SHLIBSUFFIX"] = suffix + env["SHLIBSUFFIX"]
if env.use_ptrcall:
env.Append(CPPDEFINES=["PTRCALL_ENABLED"])
if env["tools"]:
env.Append(CPPDEFINES=["TOOLS_ENABLED"])
if env["disable_3d"]:
if env["tools"]:
print(
"Build option 'disable_3d=yes' cannot be used with 'tools=yes' (editor), "
"only with 'tools=no' (export template)."
)
sys.exit(255)
else:
env.Append(CPPDEFINES=["_3D_DISABLED"])
if env["disable_advanced_gui"]:
if env["tools"]:
print(
"Build option 'disable_advanced_gui=yes' cannot be used with 'tools=yes' (editor), "
"only with 'tools=no' (export template)."
)
sys.exit(255)
else:
env.Append(CPPDEFINES=["ADVANCED_GUI_DISABLED"])
if env["minizip"]:
env.Append(CPPDEFINES=["MINIZIP_ENABLED"])
editor_module_list = ["freetype"]
for x in editor_module_list:
if not env["module_" + x + "_enabled"]:
if env["tools"]:
print(
"Build option 'module_" + x + "_enabled=no' cannot be used with 'tools=yes' (editor), "
"only with 'tools=no' (export template)."
)
sys.exit(255)
if not env["verbose"]:
methods.no_verbose(sys, env)
if not env["platform"] == "server": # FIXME: detect GLES3
env.Append(
BUILDERS={
"GLES3_GLSL": env.Builder(
action=run_in_subprocess(gles_builders.build_gles3_headers), suffix="glsl.gen.h", src_suffix=".glsl"
)
}
)
env.Append(
BUILDERS={
"GLES2_GLSL": env.Builder(
action=run_in_subprocess(gles_builders.build_gles2_headers), suffix="glsl.gen.h", src_suffix=".glsl"
)
}
)
scons_cache_path = os.environ.get("SCONS_CACHE")
if scons_cache_path != None:
CacheDir(scons_cache_path)
print("Scons cache enabled... (path: '" + scons_cache_path + "')")
if env["vsproj"]:
env.vs_incs = []
env.vs_srcs = []
if env["compiledb"]:
# Generating the compilation DB (`compile_commands.json`) requires SCons 4.0.0 or later.
from SCons import __version__ as scons_raw_version
scons_ver = env._get_major_minor_revision(scons_raw_version)
if scons_ver < (4, 0, 0):
print("The `compiledb=yes` option requires SCons 4.0 or later, but your version is %s." % scons_raw_version)
Exit(255)
env.Tool("compilation_db")
env.Alias("compiledb", env.CompilationDatabase())
Export("env")
# build subdirs, the build order is dependent on link order.
SConscript("core/SCsub")
SConscript("servers/SCsub")
SConscript("scene/SCsub")
if env["tools"]:
SConscript("editor/SCsub")
SConscript("drivers/SCsub")
SConscript("platform/SCsub")
SConscript("modules/SCsub")
SConscript("main/SCsub")
SConscript("platform/" + selected_platform + "/SCsub") # build selected platform
# Microsoft Visual Studio Project Generation
if env["vsproj"]:
if os.name != "nt":
print("Error: The `vsproj` option is only usable on Windows with Visual Studio.")
Exit(255)
env["CPPPATH"] = [Dir(path) for path in env["CPPPATH"]]
methods.generate_vs_project(env, GetOption("num_jobs"))
methods.generate_cpp_hint_file("cpp.hint")
# Check for the existence of headers
conf = Configure(env)
if "check_c_headers" in env:
for header in env["check_c_headers"]:
if conf.CheckCHeader(header[0]):
env.AppendUnique(CPPDEFINES=[header[1]])
elif selected_platform != "":
if selected_platform == "list":
print("The following platforms are available:\n")
else:
print('Invalid target platform "' + selected_platform + '".')
print("The following platforms were detected:\n")
for x in platform_list:
print("\t" + x)
print("\nPlease run SCons again and select a valid platform: platform=<string>")
if selected_platform == "list":
# Exit early to suppress the rest of the built-in SCons messages
sys.exit(0)
else:
sys.exit(255)
# The following only makes sense when the 'env' is defined, and assumes it is.
if "env" in locals():
# FIXME: This method mixes both cosmetic progress stuff and cache handling...
methods.show_progress(env)
# TODO: replace this with `env.Dump(format="json")`
# once we start requiring SCons 4.0 as min version.
methods.dump(env)
def print_elapsed_time():
elapsed_time_sec = round(time.time() - time_at_start, 3)
time_ms = round((elapsed_time_sec % 1) * 1000)
print("[Time elapsed: {}.{:03}]".format(time.strftime("%H:%M:%S", time.gmtime(elapsed_time_sec)), time_ms))
atexit.register(print_elapsed_time)
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