Merge pull request #89452 from Riteo/name-a-better-duo
SCons: Enable the experimental Ninja backend and minimize timestamp changes to generated code
This commit is contained in:
Rémi Verschelde
commit
7fa97f37fb
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@ -35,6 +35,10 @@ bin
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compile_commands.json
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platform/windows/godot_res.res
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# Ninja build files
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build.ninja
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.ninja
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# Generated by Godot binary
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.import/
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/gdextension_interface.h
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23
SConstruct
23
SConstruct
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@ -203,6 +203,7 @@ opts.Add(BoolVariable("custom_modules_recursive", "Detect custom modules recursi
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opts.Add(BoolVariable("dev_mode", "Alias for dev options: verbose=yes warnings=extra werror=yes tests=yes", False))
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opts.Add(BoolVariable("tests", "Build the unit tests", False))
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opts.Add(BoolVariable("fast_unsafe", "Enable unsafe options for faster rebuilds", False))
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opts.Add(BoolVariable("ninja", "Use the ninja backend for faster rebuilds", False))
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opts.Add(BoolVariable("compiledb", "Generate compilation DB (`compile_commands.json`) for external tools", False))
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opts.Add(BoolVariable("verbose", "Enable verbose output for the compilation", False))
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opts.Add(BoolVariable("progress", "Show a progress indicator during compilation", True))
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@ -956,7 +957,8 @@ if selected_platform in platform_list:
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env.vs_incs = []
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env.vs_srcs = []
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# CompileDB
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# CompileDB and Ninja are only available with certain SCons versions which
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# not everybody might have yet, so we have to check.
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from SCons import __version__ as scons_raw_version
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scons_ver = env._get_major_minor_revision(scons_raw_version)
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@ -968,6 +970,20 @@ if selected_platform in platform_list:
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env.Tool("compilation_db")
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env.Alias("compiledb", env.CompilationDatabase())
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if env["ninja"]:
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if scons_ver < (4, 2, 0):
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print("The `ninja=yes` option requires SCons 4.2 or later, but your version is %s." % scons_raw_version)
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Exit(255)
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SetOption("experimental", "ninja")
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# By setting this we allow the user to run ninja by themselves with all
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# the flags they need, as apparently automatically running from scons
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# is way slower.
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SetOption("disable_execute_ninja", True)
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env.Tool("ninja")
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# Threads
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if env["threads"]:
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env.Append(CPPDEFINES=["THREADS_ENABLED"])
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@ -1041,9 +1057,10 @@ atexit.register(print_elapsed_time)
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def purge_flaky_files():
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paths_to_keep = ["ninja.build"]
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for build_failure in GetBuildFailures():
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path = build_failure.node.abspath
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if os.path.isfile(path):
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path = build_failure.node.path
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if os.path.isfile(path) and path not in paths_to_keep:
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os.remove(path)
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@ -3,6 +3,7 @@
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Import("env")
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import core_builders
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import methods
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env.core_sources = []
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@ -35,10 +36,12 @@ if "SCRIPT_AES256_ENCRYPTION_KEY" in os.environ:
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)
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Exit(255)
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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", encoding="utf-8", newline="\n") as f:
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f.write('#include "core/config/project_settings.h"\nuint8_t script_encryption_key[32]={' + txt + "};\n")
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script_encryption_key_contents = (
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'#include "core/config/project_settings.h"\nuint8_t script_encryption_key[32]={' + txt + "};\n"
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)
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methods.write_file_if_needed("script_encryption_key.gen.cpp", script_encryption_key_contents)
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# Add required thirdparty code.
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26
editor/SCsub
26
editor/SCsub
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@ -7,19 +7,24 @@ env.editor_sources = []
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import os
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import glob
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import editor_builders
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import methods
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def _make_doc_data_class_path(to_path):
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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(os.path.join(to_path, "doc_data_class_path.gen.h"), "w", encoding="utf-8", newline="\n") as g:
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g.write("static const int _doc_data_class_path_count = " + str(len(env.doc_class_path)) + ";\n")
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g.write("struct _DocDataClassPath { const char* name; const char* path; };\n")
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file_path = os.path.join(to_path, "doc_data_class_path.gen.h")
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g.write("static const _DocDataClassPath _doc_data_class_paths[" + str(len(env.doc_class_path) + 1) + "] = {\n")
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class_path_data = ""
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class_path_data += "static const int _doc_data_class_path_count = " + str(len(env.doc_class_path)) + ";\n"
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class_path_data += "struct _DocDataClassPath { const char* name; const char* path; };\n"
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class_path_data += (
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"static const _DocDataClassPath _doc_data_class_paths[" + str(len(env.doc_class_path) + 1) + "] = {\n"
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)
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for c in sorted(env.doc_class_path):
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g.write('\t{"' + c + '", "' + env.doc_class_path[c] + '"},\n')
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g.write("\t{nullptr, nullptr}\n")
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g.write("};\n")
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class_path_data += '\t{"' + c + '", "' + env.doc_class_path[c] + '"},\n'
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class_path_data += "\t{nullptr, nullptr}\n"
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class_path_data += "};\n"
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methods.write_file_if_needed(file_path, class_path_data)
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if env.editor_build:
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@ -38,10 +43,7 @@ if env.editor_build:
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reg_exporters += "\tregister_" + e + "_exporter_types();\n"
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reg_exporters += "}\n"
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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("register_exporters.gen.cpp", "w", encoding="utf-8", newline="\n") as f:
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f.write(reg_exporters_inc)
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f.write(reg_exporters)
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methods.write_file_if_needed("register_exporters.gen.cpp", reg_exporters_inc + reg_exporters)
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# Core API documentation.
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docs = []
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46
methods.py
46
methods.py
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@ -228,14 +228,22 @@ def get_version_info(module_version_string="", silent=False):
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return version_info
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def write_file_if_needed(path, string):
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try:
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with open(path, "r", encoding="utf-8", newline="\n") as f:
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if f.read() == string:
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return
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except FileNotFoundError:
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pass
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with open(path, "w", encoding="utf-8", newline="\n") as f:
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f.write(string)
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def generate_version_header(module_version_string=""):
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version_info = get_version_info(module_version_string)
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# NOTE: It is safe to generate these files here, since this is still executed serially.
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with open("core/version_generated.gen.h", "w", encoding="utf-8", newline="\n") as f:
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f.write(
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"""\
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version_info_header = """\
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/* THIS FILE IS GENERATED DO NOT EDIT */
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#ifndef VERSION_GENERATED_GEN_H
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#define VERSION_GENERATED_GEN_H
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@ -254,11 +262,8 @@ def generate_version_header(module_version_string=""):
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""".format(
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**version_info
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)
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)
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with open("core/version_hash.gen.cpp", "w", encoding="utf-8", newline="\n") as fhash:
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fhash.write(
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"""\
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version_hash_data = """\
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/* THIS FILE IS GENERATED DO NOT EDIT */
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#include "core/version.h"
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const char *const VERSION_HASH = "{git_hash}";
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@ -266,7 +271,9 @@ const uint64_t VERSION_TIMESTAMP = {git_timestamp};
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""".format(
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**version_info
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)
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)
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write_file_if_needed("core/version_generated.gen.h", version_info_header)
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write_file_if_needed("core/version_hash.gen.cpp", version_hash_data)
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def parse_cg_file(fname, uniforms, sizes, conditionals):
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@ -385,15 +392,18 @@ def is_module(path):
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def write_disabled_classes(class_list):
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with open("core/disabled_classes.gen.h", "w", encoding="utf-8", newline="\n") as f:
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f.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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f.write("#ifndef DISABLED_CLASSES_GEN_H\n")
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f.write("#define DISABLED_CLASSES_GEN_H\n\n")
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file_contents = ""
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file_contents += "/* THIS FILE IS GENERATED DO NOT EDIT */\n"
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file_contents += "#ifndef DISABLED_CLASSES_GEN_H\n"
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file_contents += "#define DISABLED_CLASSES_GEN_H\n\n"
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for c in class_list:
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cs = c.strip()
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if cs != "":
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f.write("#define ClassDB_Disable_" + cs + " 1\n")
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f.write("\n#endif\n")
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file_contents += "#define ClassDB_Disable_" + cs + " 1\n"
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file_contents += "\n#endif\n"
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write_file_if_needed("core/disabled_classes.gen.h", file_contents)
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def write_modules(modules):
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@ -435,9 +445,7 @@ void uninitialize_modules(ModuleInitializationLevel p_level) {
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uninitialize_cpp,
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)
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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("modules/register_module_types.gen.cpp", "w", encoding="utf-8", newline="\n") as f:
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f.write(modules_cpp)
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write_file_if_needed("modules/register_module_types.gen.cpp", modules_cpp)
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def convert_custom_modules_path(path):
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@ -1,5 +1,7 @@
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#!/usr/bin/env python
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import methods
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Import("env")
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env.platform_sources = []
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@ -18,12 +20,7 @@ reg_apis_inc += "\n"
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reg_apis += "}\n\n"
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unreg_apis += "}\n"
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# NOTE: It is safe to generate this file here, since this is still execute serially
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with open("register_platform_apis.gen.cpp", "w", encoding="utf-8", newline="\n") as f:
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f.write(reg_apis_inc)
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f.write(reg_apis)
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f.write(unreg_apis)
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methods.write_file_if_needed("register_platform_apis.gen.cpp", reg_apis_inc + reg_apis + unreg_apis)
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env.add_source_files(env.platform_sources, "register_platform_apis.gen.cpp")
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lib = env.add_library("platform", env.platform_sources)
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@ -5,6 +5,7 @@ import platform
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import uuid
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import functools
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import subprocess
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import methods
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# NOTE: The multiprocessing module is not compatible with SCons due to conflict on cPickle
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@ -65,10 +66,9 @@ def generate_export_icons(platform_path, platform_name):
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svg_str += '";\n'
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# NOTE: It is safe to generate this file here, since this is still executed serially.
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wf = export_path + "/" + name + "_svg.gen.h"
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with open(wf, "w", encoding="utf-8", newline="\n") as svgw:
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svgw.write(svg_str)
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methods.write_file_if_needed(wf, svg_str)
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def get_build_version(short):
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@ -13,9 +13,9 @@ _scu_folders = set()
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_max_includes_per_scu = 1024
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def clear_out_existing_files(output_folder, extension):
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def clear_out_stale_files(output_folder, extension, fresh_files):
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output_folder = os.path.abspath(output_folder)
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# print("clear_out_existing_files from folder: " + output_folder)
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# print("clear_out_stale_files from folder: " + output_folder)
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if not os.path.isdir(output_folder):
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# folder does not exist or has not been created yet,
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@ -23,7 +23,8 @@ def clear_out_existing_files(output_folder, extension):
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return
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for file in glob.glob(output_folder + "/*." + extension):
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# print("removed pre-existing file: " + file)
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if not file in fresh_files:
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# print("removed stale file: " + file)
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os.remove(file)
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@ -87,11 +88,16 @@ def write_output_file(file_count, include_list, start_line, end_line, output_fol
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short_filename = output_filename_prefix + num_string + ".gen." + extension
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output_filename = output_folder + "/" + short_filename
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output_path = Path(output_filename)
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if not output_path.exists() or output_path.read_text() != file_text:
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if _verbose:
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print("SCU: Generating: %s" % short_filename)
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output_path = Path(output_filename)
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output_path.write_text(file_text, encoding="utf8")
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elif _verbose:
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print("SCU: Generation not needed for: " + short_filename)
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return output_filename
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def write_exception_output_file(file_count, exception_string, output_folder, output_filename_prefix, extension):
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@ -109,11 +115,16 @@ def write_exception_output_file(file_count, exception_string, output_folder, out
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short_filename = output_filename_prefix + "_exception" + num_string + ".gen." + extension
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output_filename = output_folder + "/" + short_filename
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output_path = Path(output_filename)
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if not output_path.exists() or output_path.read_text() != file_text:
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if _verbose:
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print("SCU: Generating: " + short_filename)
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output_path = Path(output_filename)
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output_path.write_text(file_text, encoding="utf8")
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elif _verbose:
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print("SCU: Generation not needed for: " + short_filename)
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return output_filename
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def find_section_name(sub_folder):
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@ -214,10 +225,7 @@ def process_folder(folders, sought_exceptions=[], includes_per_scu=0, extension=
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output_folder = abs_main_folder + "/scu/"
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output_filename_prefix = "scu_" + out_filename
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# Clear out any existing files (usually we will be overwriting,
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# but we want to remove any that are pre-existing that will not be
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# overwritten, so as to not compile anything stale)
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clear_out_existing_files(output_folder, extension)
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fresh_files = set()
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for file_count in range(0, num_output_files):
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end_line = start_line + lines_per_file
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@ -226,19 +234,28 @@ def process_folder(folders, sought_exceptions=[], includes_per_scu=0, extension=
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if file_count == (num_output_files - 1):
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end_line = len(found_includes)
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write_output_file(
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fresh_file = write_output_file(
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file_count, found_includes, start_line, end_line, output_folder, output_filename_prefix, extension
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)
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fresh_files.add(fresh_file)
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start_line = end_line
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# Write the exceptions each in their own scu gen file,
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# so they can effectively compile in "old style / normal build".
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for exception_count in range(len(found_exceptions)):
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write_exception_output_file(
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fresh_file = write_exception_output_file(
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exception_count, found_exceptions[exception_count], output_folder, output_filename_prefix, extension
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)
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fresh_files.add(fresh_file)
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# Clear out any stale file (usually we will be overwriting if necessary,
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# but we want to remove any that are pre-existing that will not be
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# overwritten, so as to not compile anything stale).
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clear_out_stale_files(output_folder, extension, fresh_files)
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def generate_scu_files(max_includes_per_scu):
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print("=============================")
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