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c5bd0c37ce
- Refactored all builder (make_*) functions into separate Python modules along to the build tree - Introduced utility function to wrap all invocations on Windows, but does not change it elsewhere - Introduced stub to use the builders module as a stand alone script and invoke a selected function There is a problem with file handles related to writing generated content (*.gen.h and *.gen.cpp) on Windows, which randomly causes a SHARING VIOLATION error to the compiler resulting in flaky builds. Running all such content generators in a new subprocess instead of directly inside the build script works around the issue. Yes, I tried the multiprocessing module. It did not work due to conflict with SCons on cPickle. Suggested workaround did not fully work either. Using the run_in_subprocess wrapper on osx and x11 platforms as well for consistency. In case of running a cross-compilation on Windows they would still be used, but likely it will not happen in practice. What counts is that the build itself is running on which platform, not the target platform. Some generated files are written directly in an SConstruct or SCsub file, before the parallel build starts. They don't need to be written in a subprocess, apparently, so I left them as is.
124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
#!/usr/bin/env python
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Import('env')
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import core_builders
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import make_binders
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from platform_methods import run_in_subprocess
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env.core_sources = []
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# Generate global defaults
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gd_call = ""
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gd_inc = ""
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for x in env.global_defaults:
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env.core_sources.append("#platform/" + x + "/globals/global_defaults.cpp")
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gd_inc += '#include "platform/' + x + '/globals/global_defaults.h"\n'
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gd_call += "\tregister_" + x + "_global_defaults();\n"
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gd_cpp = '#include "project_settings.h"\n'
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gd_cpp += gd_inc
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gd_cpp += "void ProjectSettings::register_global_defaults() {\n" + gd_call + "\n}\n"
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with open("global_defaults.gen.cpp", "w") as f:
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f.write(gd_cpp)
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# Generate AES256 script encryption key
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import os
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txt = "0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0"
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if ("SCRIPT_AES256_ENCRYPTION_KEY" in os.environ):
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e = os.environ["SCRIPT_AES256_ENCRYPTION_KEY"]
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txt = ""
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ec_valid = True
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if (len(e) != 64):
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ec_valid = False
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else:
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for i in range(len(e) >> 1):
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if (i > 0):
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txt += ","
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txts = "0x" + e[i * 2:i * 2 + 2]
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try:
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int(txts, 16)
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except:
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ec_valid = False
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txt += txts
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if (not ec_valid):
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txt = "0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0"
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print("Invalid AES256 encryption key, not 64 bits hex: " + e)
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# NOTE: It is safe to generate this file here, since this is still executed serially
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with open("script_encryption_key.gen.cpp", "w") as f:
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f.write("#include \"project_settings.h\"\nuint8_t script_encryption_key[32]={" + txt + "};\n")
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# Add required thirdparty code. Header paths are hardcoded, we don't need to append
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# to the include path (saves a few chars on the compiler invocation for touchy MSVC...)
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thirdparty_dir = "#thirdparty/misc/"
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thirdparty_sources = [
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# C sources
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"base64.c",
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"fastlz.c",
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"sha256.c",
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"smaz.c",
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# C++ sources
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"aes256.cpp",
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"hq2x.cpp",
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"md5.cpp",
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"pcg.cpp",
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"triangulator.cpp",
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]
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thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
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env.add_source_files(env.core_sources, thirdparty_sources)
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# Minizip library, can be unbundled in theory
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# However, our version has some custom modifications, so it won't compile with the system one
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thirdparty_minizip_dir = "#thirdparty/minizip/"
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thirdparty_minizip_sources = [
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"ioapi.c",
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"unzip.c",
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"zip.c",
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]
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thirdparty_minizip_sources = [thirdparty_minizip_dir + file for file in thirdparty_minizip_sources]
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env.add_source_files(env.core_sources, thirdparty_minizip_sources)
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if 'builtin_zstd' in env and env['builtin_zstd']:
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SConscript("#thirdparty/zstd/SCsub")
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# Godot's own sources
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env.add_source_files(env.core_sources, "*.cpp")
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# Make binders
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env.CommandNoCache(['method_bind.gen.inc', 'method_bind_ext.gen.inc'], 'make_binders.py', run_in_subprocess(make_binders.run))
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# Authors
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env.Depends('#core/authors.gen.h', "../AUTHORS.md")
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env.CommandNoCache('#core/authors.gen.h', "../AUTHORS.md", run_in_subprocess(core_builders.make_authors_header))
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# Donors
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env.Depends('#core/donors.gen.h', "../DONORS.md")
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env.CommandNoCache('#core/donors.gen.h', "../DONORS.md", run_in_subprocess(core_builders.make_donors_header))
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# License
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env.Depends('#core/license.gen.h', ["../COPYRIGHT.txt", "../LICENSE.txt"])
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env.CommandNoCache('#core/license.gen.h', ["../COPYRIGHT.txt", "../LICENSE.txt"], run_in_subprocess(core_builders.make_license_header))
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# Chain load SCsubs
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SConscript('os/SCsub')
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SConscript('math/SCsub')
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SConscript('io/SCsub')
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SConscript('bind/SCsub')
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SConscript('helper/SCsub')
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# Build it all as a library
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lib = env.add_library("core", env.core_sources)
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env.Prepend(LIBS=[lib])
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Export('env')
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