diff options
Diffstat (limited to 'src/settings.js')
| -rw-r--r-- | src/settings.js | 1009 |
1 files changed, 115 insertions, 894 deletions
diff --git a/src/settings.js b/src/settings.js index c156a40c..1db91dca 100644 --- a/src/settings.js +++ b/src/settings.js @@ -6,6 +6,11 @@ // emcc -s OPTION1=VALUE1 -s OPTION2=VALUE2 [..other stuff..] // // See https://github.com/kripken/emscripten/wiki/Code-Generation-Modes/ +// +// Note that the values here are the defaults in -O0, that is, unoptimized +// mode. See apply_opt_level in tools/shared.py for how -O1,2,3 affect these +// flags. +// // Tuning var QUANTUM_SIZE = 4; // This is the size of an individual field in a structure. 1 would @@ -18,7 +23,8 @@ var QUANTUM_SIZE = 4; // This is the size of an individual field in a structure. // Changing this from the default of 4 is deprecated. var TARGET_X86 = 0; // For i386-pc-linux-gnu -var TARGET_LE32 = 1; // For le32-unknown-nacl +var TARGET_LE32 = 1; // For le32-unknown-nacl. 1 is normal, 2 is for the fastcomp llvm + // backend using pnacl abi simplification var CORRECT_SIGNS = 1; // Whether we make sure to convert unsigned values to signed values. // Decreases performance with additional runtime checks. Might not be @@ -36,11 +42,14 @@ var ASSERTIONS = 1; // Whether we should add runtime assertions, for example to // exceed it's size, whether all allocations (stack and static) are // of positive size, etc., whether we should throw if we encounter a bad __label__, i.e., // if code flow runs into a fault + // ASSERTIONS == 2 gives even more runtime checks var VERBOSE = 0; // When set to 1, will generate more verbose output during compilation. var INVOKE_RUN = 1; // Whether we will run the main() function. Disable if you embed the generated // code in your own, and will call main() yourself at the right time (which you // can do with Module.callMain(), with an optional parameter of commandline args). +var NO_EXIT_RUNTIME = 0; // If set, the runtime is not quit when main() completes (allowing code to + // run afterwards, for example from the browser main event loop). var INIT_HEAP = 0; // Whether to initialize memory anywhere other than the stack to 0. var TOTAL_STACK = 5*1024*1024; // The total stack size. There is no way to enlarge the stack, so this // value must be large enough for the program's requirements. If @@ -64,11 +73,13 @@ var MAX_SETJMPS = 20; // size of setjmp table allocated in each function invocat var MICRO_OPTS = 1; // Various micro-optimizations, like nativizing variables var RELOOP = 0; // Recreate js native loops from llvm data var RELOOPER = 'relooper.js'; // Loads the relooper from this path relative to compiler.js +var RELOOPER_BUFFER_SIZE = 20*1024*1024; // The internal relooper buffer size. Increase if you see assertions + // on OutputBuffer. var USE_TYPED_ARRAYS = 2; // Use typed arrays for the heap. See https://github.com/kripken/emscripten/wiki/Code-Generation-Modes/ - // 0 means no typed arrays are used. + // 0 means no typed arrays are used. This mode disallows LLVM optimizations // 1 has two heaps, IHEAP (int32) and FHEAP (double), - // and addresses there are a match for normal addresses. This is deprecated. + // and addresses there are a match for normal addresses. This mode disallows LLVM optimizations. // 2 is a single heap, accessible through views as int8, int32, etc. This is // the recommended mode both for performance and for compatibility. var USE_FHEAP = 1; // Relevant in USE_TYPED_ARRAYS == 1. If this is disabled, only IHEAP will be used, and FHEAP @@ -95,6 +106,9 @@ var FORCE_ALIGNED_MEMORY = 0; // If enabled, assumes all reads and writes are fu // for ways to help find places in your code where unaligned reads/writes are done - // you might be able to refactor your codebase to prevent them, which leads to // smaller and faster code, or even the option to turn this flag on. +var WARN_UNALIGNED = 0; // Warn at compile time about instructions that LLVM tells us are not fully aligned. + // This is useful to find places in your code where you might refactor to ensure proper + // alignment. (this option is fastcomp-only) var PRECISE_I64_MATH = 1; // If enabled, i64 addition etc. is emulated - which is slow but precise. If disabled, // we use the 'double trick' which is fast but incurs rounding at high values. // Note that we do not catch 32-bit multiplication by default (which must be done in @@ -107,6 +121,17 @@ var PRECISE_I64_MATH = 1; // If enabled, i64 addition etc. is emulated - which i var PRECISE_I32_MUL = 1; // If enabled, i32 multiplication is done with full precision, which means it is // correct even if the value exceeds the JS double-integer limit of ~52 bits (otherwise, // rounding will occur above that range). +var PRECISE_F32 = 0; // 0: Use JS numbers for floating-point values. These are 64-bit and do not model C++ + // floats exactly, which are 32-bit. + // 1: Model C++ floats precisely, using Math.fround, polyfilling when necessary. This + // can be slow if the polyfill is used on heavy float32 computation. + // 2: Model C++ floats precisely using Math.fround if available in the JS engine, otherwise + // use an empty polyfill. This will have much less of a speed penalty than using the full + // polyfill in cases where engine support is not present. In addition, we can + // remove the empty polyfill calls themselves on the client when generating html, + // which should mean that this gives you the best of both worlds of 0 and 1, and is + // therefore recommended. +var SIMD = 0; // Whether to emit SIMD code ( https://github.com/johnmccutchan/ecmascript_simd ) var CLOSURE_ANNOTATIONS = 0; // If set, the generated code will be annotated for the closure // compiler. This potentially lets closure optimize the code better. @@ -124,6 +149,23 @@ var INLINING_LIMIT = 0; // A limit on inlining. If 0, we will inline normally i // we will prevent inlining of functions of this size or larger // in closure. 50 is a reasonable setting if you do not want // inlining +var OUTLINING_LIMIT = 0; // A function size above which we try to automatically break up + // functions into smaller ones, to avoid the downsides of very + // large functions (JS engines often compile them very slowly, + // compile them with lower optimizations, or do not optimize them + // at all). If 0, we do not perform outlining at all. + // To see which funcs are large, you can inspect the source + // in a debug build (-g2 or -g for example), and can run + // tools/find_bigfuncs.py on that to get a sorted list by size. + // Another possibility is to look in the web console in firefox, + // which will note slowly-compiling functions. + // You will probably want to experiment with various values to + // see the impact on compilation time, code size and runtime + // throughput. It is hard to say what values to start testing + // with, but something around 20,000 to 100,000 might make sense. + // (The unit size is number of AST nodes.) + +var AGGRESSIVE_VARIABLE_ELIMINATION = 0; // Run aggressiveVariableElimination in js-optimizer.js // Generated code debugging options var SAFE_HEAP = 0; // Check each write to the heap, for example, this will give a clear @@ -146,6 +188,12 @@ var ALIASING_FUNCTION_POINTERS = 0; // Whether to allow function pointers to ali // a different type. This can greatly decrease table sizes // in asm.js, but can break code that compares function // pointers across different types. +var FUNCTION_POINTER_ALIGNMENT = 2; // Byte alignment of function pointers - we will fill the + // tables with zeros on aligned values. 1 means all values + // are aligned and all will be used (which is optimal). + // Sadly 1 breaks on &Class::method function pointer calls, + // which llvm assumes have the lower bit zero (see + // test_polymorph and issue #1692). var ASM_HEAP_LOG = 0; // Simple heap logging, like SAFE_HEAP_LOG but cheaper, and in asm.js @@ -174,16 +222,29 @@ var LIBRARY_DEBUG = 0; // Print out when we enter a library call (library*.js). // want it back. A simple way to set it in C++ is // emscripten_run_script("Runtime.debug = ...;"); var SOCKET_DEBUG = 0; // Log out socket/network data transfer. +var SOCKET_WEBRTC = 0; // Select socket backend, either webrtc or websockets. var OPENAL_DEBUG = 0; // Print out debugging information from our OpenAL implementation. +var GL_ASSERTIONS = 0; // Adds extra checks for error situations in the GL library. Can impact performance. var GL_DEBUG = 0; // Print out all calls into WebGL. As with LIBRARY_DEBUG, you can set a runtime // option, in this case GL.debug. var GL_TESTING = 0; // When enabled, sets preserveDrawingBuffer in the context, to allow tests to work (but adds overhead) var GL_MAX_TEMP_BUFFER_SIZE = 2097152; // How large GL emulation temp buffers are var GL_UNSAFE_OPTS = 1; // Enables some potentially-unsafe optimizations in GL emulation code var FULL_ES2 = 0; // Forces support for all GLES2 features, not just the WebGL-friendly subset. -var FORCE_GL_EMULATION = 0; // Forces inclusion of full GL emulation code. +var LEGACY_GL_EMULATION = 0; // Includes code to emulate various desktop GL features. Incomplete but useful + // in some cases, see https://github.com/kripken/emscripten/wiki/OpenGL-support +var GL_FFP_ONLY = 0; // If you specified LEGACY_GL_EMULATION = 1 and only use fixed function pipeline in your code, + // you can also set this to 1 to signal the GL emulation layer that it can perform extra + // optimizations by knowing that the user code does not use shaders at all. If + // LEGACY_GL_EMULATION = 0, this setting has no effect. + +var STB_IMAGE = 0; // Enables building of stb-image, a tiny public-domain library for decoding images, allowing + // decoding of images without using the browser's built-in decoders. The benefit is that this + // can be done synchronously, however, it will not be as fast as the browser itself. + // When enabled, stb-image will be used automatically from IMG_Load and IMG_Load_RW. You + // can also call the stbi_* functions directly yourself. var DISABLE_EXCEPTION_CATCHING = 0; // Disables generating code to actually catch exceptions. If the code you // are compiling does not actually rely on catching exceptions (but the @@ -193,13 +254,13 @@ var DISABLE_EXCEPTION_CATCHING = 0; // Disables generating code to actually catc // introduce silent failures, which is good). // DISABLE_EXCEPTION_CATCHING = 0 - generate code to actually catch exceptions // DISABLE_EXCEPTION_CATCHING = 1 - disable exception catching at all - // DISABLE_EXCEPTION_CATCHING = 2 - disable exception catching, but enables + // DISABLE_EXCEPTION_CATCHING = 2 - disable exception catching, but enables // catching in whitelist // TODO: Make this also remove cxa_begin_catch etc., optimize relooper // for it, etc. (perhaps do all of this as preprocessing on .ll?) -var EXCEPTION_CATCHING_WHITELIST = []; // Enables catching exception in listed functions if - // DISABLE_EXCEPTION_CATCHING = 2 set +var EXCEPTION_CATCHING_WHITELIST = []; // Enables catching exception in the listed functions only, if + // DISABLE_EXCEPTION_CATCHING = 2 is set var EXECUTION_TIMEOUT = -1; // Throw an exception after X seconds - useful to debug infinite loops var CHECK_OVERFLOWS = 0; // Add code that checks for overflows in integer math operations. @@ -233,6 +294,13 @@ var CORRECT_ROUNDINGS = 1; // C rounds to 0 (-5.5 to -5, +5.5 to 5), while JS ha var FS_LOG = 0; // Log all FS operations. This is especially helpful when you're porting // a new project and want to see a list of file system operations happening // so that you can create a virtual file system with all of the required files. +var CASE_INSENSITIVE_FS = 0; // If set to nonzero, the provided virtual filesystem if treated case-insensitive, like + // Windows and OSX do. If set to 0, the VFS is case-sensitive, like on Linux. + +var USE_BSS = 1; // https://en.wikipedia.org/wiki/.bss + // When enabled, 0-initialized globals are sorted to the end of the globals list, + // enabling us to not explicitly store the initialization value for each 0 byte. + // This significantly lowers the memory initialization array size. var NAMED_GLOBALS = 0; // If 1, we use global variables for globals. Otherwise // they are referred to by a base plus an offset (called an indexed global), @@ -243,7 +311,8 @@ var EXPORTED_FUNCTIONS = ['_main', '_malloc']; // through LLVM dead code elimination, and also made accessible outside of // the generated code even after running closure compiler (on "Module"). // Note the necessary prefix of "_". -var EXPORT_ALL = 0; // If true, we export all the symbols +var EXPORT_ALL = 0; // If true, we export all the symbols. Note that this does *not* affect LLVM, so it can + // still eliminate functions as dead. This just exports them on the Module object. var EXPORT_BINDINGS = 0; // Export all bindings generator functions (prefixed with emscripten_bind_). This // is necessary to use the bindings generator with asm.js @@ -288,13 +357,18 @@ var SHOW_LABELS = 0; // Show labels in the generated code var PRINT_SPLIT_FILE_MARKER = 0; // Prints markers in Javascript generation to split the file later on. See emcc --split option. +var MAIN_MODULE = 0; // A main module is a file compiled in a way that allows us to link it to + // a side module using emlink.py. +var SIDE_MODULE = 0; // Corresponds to MAIN_MODULE + var BUILD_AS_SHARED_LIB = 0; // Whether to build the code as a shared library // 0 here means this is not a shared lib: It is a main file. - // All shared library options (1 and 2) are currently deprecated XXX // 1 means this is a normal shared lib, load it with dlopen() // 2 means this is a shared lib that will be linked at runtime, // which means it will insert its functions into // the global namespace. See STATIC_LIBS_TO_LOAD. + // + // Value 2 is currently deprecated. var RUNTIME_LINKED_LIBS = []; // If this is a main file (BUILD_AS_SHARED_LIB == 0), then // we will link these at runtime. They must have been built with // BUILD_AS_SHARED_LIB == 2. @@ -302,6 +376,9 @@ var RUNTIME_LINKED_LIBS = []; // If this is a main file (BUILD_AS_SHARED_LIB == // linked libraries can break things. var BUILD_AS_WORKER = 0; // If set to 1, this is a worker library, a special kind of library // that is run in a worker. See emscripten.h +var PROXY_TO_WORKER = 0; // If set to 1, we build the project into a js file that will run + // in a worker, and generate an html file that proxies input and + // output to/from it. var LINKABLE = 0; // If set to 1, this file can be linked with others, either as a shared // library or as the main file that calls a shared library. To enable that, // we will not internalize all symbols and cull the unused ones, in other @@ -313,6 +390,11 @@ var LINKABLE = 0; // If set to 1, this file can be linked with others, either as // LINKABLE of 0 is very useful in that we can reduce the size of the // generated code very significantly, by removing everything not actually used. +var DLOPEN_SUPPORT = 0; // Full support for dlopen. This is necessary for asm.js and for all code + // modes for dlopen(NULL, ...). Note that you must use EMSCRIPTEN_KEEPALIVE + // to ensure that functions and globals can be accessed through dlsym, + // otherwise LLVM may optimize them out. + var RUNTIME_TYPE_INFO = 0; // Whether to expose type info to the script at run time. This // increases the size of the generated script, but allows you // to more easily perform operations from handwritten JS on @@ -324,13 +406,16 @@ var FAKE_X86_FP80 = 1; // Replaces x86_fp80 with double. This loses precision. I var GC_SUPPORT = 1; // Enables GC, see gc.h (this does not add overhead, so it is on by default) -var WARN_ON_UNDEFINED_SYMBOLS = 0; // If set to 1, we will warn on any undefined symbols that - // are not resolved by the library_*.js files. We by default - // do not warn because (1) it is normal in large projects to +var WARN_ON_UNDEFINED_SYMBOLS = 1; // If set to 1, we will warn on any undefined symbols that + // are not resolved by the library_*.js files. Note that + // it is common in large projects to // not implement everything, when you know what is not // going to actually be called (and don't want to mess with - // the existing buildsystem), and (2) functions might be - // implemented later on, say in --pre-js + // the existing buildsystem), and functions might be + // implemented later on, say in --pre-js, so you may + // want to build with -s WARN_ON_UNDEFINED_SYMBOLS=0 to + // disable the warnings if they annoy you. + // See also ERROR_ON_UNDEFINED_SYMBOLS var ERROR_ON_UNDEFINED_SYMBOLS = 0; // If set to 1, we will give a compile-time error on any // undefined symbols (see WARN_ON_UNDEFINED_SYMBOLS). @@ -350,9 +435,8 @@ var HEADLESS = 0; // If 1, will include shim code that tries to 'fake' a browser var BENCHMARK = 0; // If 1, will just time how long main() takes to execute, and not // print out anything at all whatsoever. This is useful for benchmarking. -var ASM_JS = 0; // If 1, generate code in asm.js format. XXX This is highly experimental, - // and will not work on most codebases yet. It is NOT recommended that you - // try this yet. +var ASM_JS = 0; // If 1, generate code in asm.js format. If 2, emits the same code except + // for omitting 'use asm' var PGO = 0; // Enables profile-guided optimization in the form of runtime checks for // which functions are actually called. Emits a list during shutdown that you @@ -363,16 +447,24 @@ var DEAD_FUNCTIONS = []; // Functions on this list are not converted to JS, and // reducing code size. // If a dead function is actually called, you will get a runtime // error. + // This can affect both functions in compiled code, and system + // library functions (e.g., you can use this to kill printf). // TODO: options to lazily load such functions var EXPLICIT_ZEXT = 0; // If 1, generate an explicit conversion of zext i1 to i32, using ?: var NECESSARY_BLOCKADDRS = []; // List of (function, block) for all block addresses that are taken. -var EMIT_GENERATED_FUNCTIONS = 0; // whether to emit the list of generated functions, needed for external JS optimization passes - var JS_CHUNK_SIZE = 10240; // Used as a maximum size before breaking up expressions and lines into smaller pieces +var EXPORT_NAME = 'Module'; // Global variable to export the module as for environments without a standardized module + // loading system (e.g. the browser and SM shell). + +var RUNNING_JS_OPTS = 0; // whether js opts will be run, after the main compiler + +var COMPILER_ASSERTIONS = 0; // costly (slow) compile-time assertions +var COMPILER_FASTPATHS = 1; // use fast-paths to speed up compilation + // Compiler debugging options var DEBUG_TAGS_SHOWING = []; // Some useful items: @@ -386,878 +478,7 @@ var DEBUG_TAGS_SHOWING = []; // metadata // legalizer - -// A cached set of defines, generated from the header files. This -// lets the emscripten libc (library.js) see the right values. -// If you the headers or use different ones, you will need to override -// this. -var C_DEFINES = {'SI_MESGQ': '5', - 'M_SQRTPI': '1.77245385091', - '_NL_MESSAGES_CODESET': '86', - 'SIGRTMIN': '27', - 'math_errhandling': '1', - 'M_LOG10E': '0.434294481903', - '_S_IFMT': '0170000', - '_CS_V7_ENV': '20', - 'USHRT_MAX': '65535', - '_SC_XOPEN_LEGACY': '98', - 'HAVE_STDINT_H': '1', - '_SC_XOPEN_VERSION': '106', - 'F_UNLCK': '3', - '_SC_BC_DIM_MAX': '58', - 'SDL_LOADSO_DLOPEN': '1', - 'S_IFDIR': '0040000', - 'HAVE_ALLOCA': '1', - '_SC_BARRIERS': '56', - '_IFDIR': '0040000', - 'SDL_JOYSTICK_DINPUT': '1', - '_IFLNK': '0120000', - '__long_double_t': "<type 'long'>", - 'DEFFILEMODE': '0000400', - 'HAVE_SSCANF': '1', - '_FCREAT': '512', - 'HAVE_STRTOLL': '1', - 'SDL_VIDEO_OPENGL_ES': '1', - 'O_CREAT': '512', - 'SHRT_MAX': '32767', - 'SDL_JOYSTICK_ANDROID': '1', - '_SC_NPROCESSORS_CONF': '9', - '_XOPEN_ENH_I18N': '1', - 'F_DUPFD_CLOEXEC': '14', - '_CS_POSIX_V6_LP64_OFF64_LIBS': '11', - '_POSIX_SHARED_MEMORY_OBJECTS': '200112', - 'ABDAY_7': '20', - 'ABDAY_6': '19', - 'ABDAY_5': '18', - 'ABDAY_4': '17', - 'ABDAY_3': '16', - 'M_PI': '3.14159265359', - 'ABDAY_1': '14', - '_PC_REC_MIN_XFER_SIZE': '18', - '_SC_V6_ILP32_OFFBIG': '93', - 'SIGSTOP': '17', - '_M_LN2': '0.69314718056', - 'F_UNLKSYS': '4', - 'PTHREAD_CREATE_JOINABLE': '1', - 'SDL_VIDEO_OPENGL_GLX': '1', - 'M_PI_2': '1.57079632679', - '_SC_MEMLOCK': '24', - 'M_PI_4': '0.785398163397', - 'FEXLOCK': '256', - '_FNDELAY': '16384', - 'SIGEV_NONE': '1', - 'SIGWINCH': '28', - 'UTIME_NOW': '-2', - '_SC_THREADS': '42', - '__INT_MAX__': '2147483647', - '_XBS5_LP64_OFF64': '-1', - '_CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS': '6', - '___int_least32_t_defined': '1', - '_POSIX_MAPPED_FILES': '200112', - 'HAVE_FREE': '1', - 'M_E': '2.71828182846', - 'SIGTRAP': '5', - '_SC_SS_REPL_MAX': '78', - '_PC_SOCK_MAXBUF': '100', - '_SC_THREAD_KEYS_MAX': '38', - 'O_RDWR': '2', - '__LARGE64_FILES': '1', - '_POSIX_V6_LP64_OFF64': '-1', - 'HAVE_COSF': '1', - '_SC_2_PBS': '113', - 'FNOCTTY': '32768', - '_SC_TRACE_INHERIT': '86', - 'PTHREAD_PRIO_NONE': '0', - '_SC_REGEXP': '72', - '_CS_POSIX_V6_LP64_OFF64_CFLAGS': '9', - '_SC_DELAYTIMER_MAX': '37', - 'HAVE_SINF': '1', - '_POSIX_RAW_SOCKETS': '200112', - '___int64_t_defined': '1', - 'S_IFREG': '0100000', - 'SIGCLD': '20', - 'F_GETLK64': '20', - '_IFCHR': '0020000', - 'S_IRWXG': '0000040', - 'SDL_VIDEO_DRIVER_ANDROID': '1', - 'POLLHUP': '16', - 'S_IFMT': '0170000', - 'RADIXCHAR': '50', - 'HAVE_UNSETENV': '1', - '_S_IEXEC': '0000100', - '_SC_XOPEN_CRYPT': '96', - 'M_LN10': '2.30258509299', - 'S_IRWXU': '0000400', - 'OPTIONAL_ARG': '2', - '_PC_CHOWN_RESTRICTED': '6', - 'CRNCYSTR': '56', - 'SIZEOF_VOIDP': '4', - 'SCHAR_MAX': '127', - 'S_BLKSIZE': '1024', - 'SDL_JOYSTICK_NDS': '1', - '_SC_CLK_TCK': '2', - 'AM_STR': '5', - '__BUFSIZ__': '16', - 'ALT_DIGITS': '49', - 'HAVE_SIGNAL_H': '1', - 'HAVE_ATAN': '1', - '_NL_CTYPE_MB_CUR_MAX': '85', - '_REENT_SIGNAL_SIZE': '24', - 'SDL_AUDIO_DRIVER_DSOUND': '1', - 'F_RSETLKW': '13', - 'HAVE_STRTOULL': '1', - '___int16_t_defined': '1', - 'SIGXCPU': '24', - '_SC_MQ_PRIO_MAX': '14', - '_FTRUNC': '1024', - '__MACOSX__': '1', - 'SDL_LOADSO_WINDOWS': '1', - 'SDL_VIDEO_DRIVER_X11_XINERAMA': '1', - 'MALLOC_ALIGNMENT': '16', - 'PTHREAD_CREATE_DETACHED': '0', - '_POSIX2_VERSION': '200112', - '_O_CREAT': '512', - 'PM_STR': '6', - '_PC_POSIX_SECURITY': '91', - 'HAVE_INTTYPES_H': '1', - '_SC_2_LOCALEDEF': '112', - '_SC_STREAM_MAX': '100', - 'HAVE_MEMCMP': '1', - '_CS_POSIX_V7_ILP32_OFF32_LIBS': '3', - '_POSIX2_C_BIND': '200112', - '_POSIX_VERSION': '200112', - 'S_IFIFO': '0010000', - 'SDL_VIDEO_DRIVER_X11_XSCRNSAVER': '1', - 'SCHED_FIFO': '1', - 'SDL_HAPTIC_DISABLED': '1', - 'M_LN2LO': '1.90821492927e-10', - 'MON_10': '30', - '_CS_XBS5_ILP32_OFF32_LIBS': '3', - 'O_SYNC': '8192', - '_CS_POSIX_V6_ILP32_OFFBIG_LIBS': '7', - 'YESEXPR': '52', - '_PC_PATH_MAX': '4', - '_SC_SPORADIC_SERVER': '77', - 'SDL_POWER_UIKIT': '1', - '_POSIX_SYNCHRONIZED_IO': '200112', - 'SIGXFSZ': '25', - 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'_SC_SPAWN': '75', - 'MON_8': '28', - 'MON_9': '29', - '_CS_POSIX_V6_ILP32_OFF32_LDFLAGS': '2', - '_SC_TRACE_EVENT_NAME_MAX': '85', - 'SA_SIGINFO': '2', - '_FBINARY': '65536', - 'PTHREAD_PRIO_PROTECT': '2', - 'POLLERR': '8', - 'SIGVTALRM': '26', - 'O_BINARY': '65536', - '_REENT_EMERGENCY_SIZE': '25', - 'S_IEXEC': '0000100', - '_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS': '13', - 'SIGEV_THREAD': '3', - 'ITIMER_VIRTUAL': '1', - 'HAVE_ATOI': '1', - '_SC_TRACE_SYS_MAX': '89', - '_POSIX_NO_TRUNC': '1', - 'HAVE_ATOF': '1', - '__RISCOS__': '1', - '_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS': '17', - 'HAVE_ATAN2': '1', - 'HAVE_PUTENV': '1', - 'SDL_AUDIO_DRIVER_ANDROID': '1', - 'F_SETFL': '4', - 'HAVE_GCC_ATOMICS': '1', - '_CS_POSIX_V7_THREADS_CFLAGS': '18', - '_SC_AIO_PRIO_DELTA_MAX': '36', - '_POSIX2_C_DEV': '200112', - '_SC_MONOTONIC_CLOCK': '69', - '_POSIX_THREAD_SPORADIC_SERVER': '1', - '_FNOINHERIT': '262144', - 'SDL_HAPTIC_NDS': '1', - '_SC_XOPEN_ENH_I18N': '97', - 'SIGPROF': '27', - 'F_SETLKW64': '22', - 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