diff options
| -rw-r--r-- | platform/javascript/detect.py | 55 |
1 files changed, 48 insertions, 7 deletions
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py index f4fa5fb218..178088e234 100644 --- a/platform/javascript/detect.py +++ b/platform/javascript/detect.py @@ -1,6 +1,8 @@ import os +import sys from emscripten_helpers import run_closure_compiler, create_engine_file, add_js_libraries +from methods import get_compiler_version from SCons.Util import WhereIs @@ -20,6 +22,13 @@ def get_opts(): from SCons.Variables import BoolVariable return [ + ("initial_memory", "Initial WASM memory (in MiB)", 16), + BoolVariable("use_assertions", "Use emscripten runtime assertions", False), + BoolVariable("use_thinlto", "Use ThinLTO", False), + BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False), + BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN)", False), + BoolVariable("use_lsan", "Use LLVM/GCC compiler leak sanitizer (LSAN)", False), + BoolVariable("use_safe_heap", "Use emscripten SAFE_HEAP sanitizer", False), # eval() can be a security concern, so it can be disabled. BoolVariable("javascript_eval", "Enable JavaScript eval interface", True), BoolVariable("threads_enabled", "Enable WebAssembly Threads support (limited browser support)", False), @@ -41,6 +50,11 @@ def get_flags(): def configure(env): + try: + env["initial_memory"] = int(env["initial_memory"]) + except: + print("Initial memory must be a valid integer") + sys.exit(255) ## Build type @@ -63,15 +77,18 @@ def configure(env): env.Append(CPPDEFINES=["DEBUG_ENABLED"]) env.Append(CCFLAGS=["-O1", "-g"]) env.Append(LINKFLAGS=["-O1", "-g"]) + env["use_assertions"] = True + + if env["use_assertions"]: env.Append(LINKFLAGS=["-s", "ASSERTIONS=1"]) if env["tools"]: if not env["threads_enabled"]: - raise RuntimeError( - "Threads must be enabled to build the editor. Please add the 'threads_enabled=yes' option" - ) - # Tools need more memory. Initial stack memory in bytes. See `src/settings.js` in emscripten repository (will be renamed to INITIAL_MEMORY). - env.Append(LINKFLAGS=["-s", "TOTAL_MEMORY=33554432"]) + print("Threads must be enabled to build the editor. Please add the 'threads_enabled=yes' option") + sys.exit(255) + if env["initial_memory"] < 32: + print("Editor build requires at least 32MiB of initial memory. Forcing it.") + env["initial_memory"] = 32 elif env["builtin_icu"]: env.Append(CCFLAGS=["-frtti"]) else: @@ -81,14 +98,33 @@ def configure(env): # Don't use dynamic_cast, necessary with no-rtti. env.Append(CPPDEFINES=["NO_SAFE_CAST"]) + env.Append(LINKFLAGS=["-s", "INITIAL_MEMORY=%sMB" % env["initial_memory"]]) + ## Copy env variables. env["ENV"] = os.environ # LTO - if env["use_lto"]: + if env["use_thinlto"]: + env.Append(CCFLAGS=["-flto=thin"]) + env.Append(LINKFLAGS=["-flto=thin"]) + elif env["use_lto"]: env.Append(CCFLAGS=["-flto=full"]) env.Append(LINKFLAGS=["-flto=full"]) + # Sanitizers + if env["use_ubsan"]: + env.Append(CCFLAGS=["-fsanitize=undefined"]) + env.Append(LINKFLAGS=["-fsanitize=undefined"]) + if env["use_asan"]: + env.Append(CCFLAGS=["-fsanitize=address"]) + env.Append(LINKFLAGS=["-fsanitize=address"]) + if env["use_lsan"]: + env.Append(CCFLAGS=["-fsanitize=leak"]) + env.Append(LINKFLAGS=["-fsanitize=leak"]) + if env["use_safe_heap"]: + env.Append(CCFLAGS=["-s", "SAFE_HEAP=1"]) + env.Append(LINKFLAGS=["-s", "SAFE_HEAP=1"]) + # Closure compiler if env["use_closure_compiler"]: # For emscripten support code. @@ -135,7 +171,8 @@ def configure(env): env.Append(CPPDEFINES=["JAVASCRIPT_EVAL_ENABLED"]) if env["threads_enabled"] and env["gdnative_enabled"]: - raise Exception("Threads and GDNative support can't be both enabled due to WebAssembly limitations") + print("Threads and GDNative support can't be both enabled due to WebAssembly limitations") + sys.exit(255) # Thread support (via SharedArrayBuffer). if env["threads_enabled"]: @@ -149,6 +186,10 @@ def configure(env): env.Append(CPPDEFINES=["NO_THREADS"]) if env["gdnative_enabled"]: + major, minor, patch = get_compiler_version(env) + if major < 2 or (major == 2 and minor == 0 and patch < 10): + print("GDNative support requires emscripten >= 2.0.10, detected: %s.%s.%s" % (major, minor, patch)) + sys.exit(255) env.Append(CCFLAGS=["-s", "RELOCATABLE=1"]) env.Append(LINKFLAGS=["-s", "RELOCATABLE=1"]) env.extra_suffix = ".gdnative" + env.extra_suffix |