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jloptions.c
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jloptions.c
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// This file is a part of Julia. License is MIT: https://julialang.org/license
#include <limits.h>
#include <errno.h>
#include "julia.h"
#ifndef _MSC_VER
#include <unistd.h>
#include <getopt.h>
#else
#include "getopt.h"
#endif
#include "julia_assert.h"
#ifdef _OS_WINDOWS_
char *shlib_ext = ".dll";
#elif defined(_OS_DARWIN_)
char *shlib_ext = ".dylib";
#else
char *shlib_ext = ".so";
#endif
static const char system_image_path[256] = "\0" JL_SYSTEM_IMAGE_PATH;
JL_DLLEXPORT const char *jl_get_default_sysimg_path(void)
{
return &system_image_path[1];
}
jl_options_t jl_options = { 0, // quiet
-1, // banner
NULL, // julia_bindir
NULL, // julia_bin
NULL, // cmds
NULL, // image_file (will be filled in below)
NULL, // cpu_target ("native", "core2", etc...)
0, // nthreads
0, // nprocs
NULL, // machine_file
NULL, // project
0, // isinteractive
0, // color
JL_OPTIONS_HISTORYFILE_ON, // history file
0, // startup file
JL_OPTIONS_COMPILE_DEFAULT, // compile_enabled
0, // code_coverage
0, // malloc_log
2, // opt_level
#ifdef JL_DEBUG_BUILD
2, // debug_level [debug build]
#else
1, // debug_level [release build]
#endif
JL_OPTIONS_CHECK_BOUNDS_DEFAULT, // check_bounds
JL_OPTIONS_DEPWARN_OFF, // deprecation warning
0, // method overwrite warning
1, // can_inline
JL_OPTIONS_POLLY_ON, // polly
NULL, // trace_compile
JL_OPTIONS_FAST_MATH_DEFAULT,
0, // worker
NULL, // cookie
JL_OPTIONS_HANDLE_SIGNALS_ON,
JL_OPTIONS_USE_SYSIMAGE_NATIVE_CODE_YES,
JL_OPTIONS_USE_COMPILED_MODULES_YES,
NULL, // bind-to
NULL, // output-bc
NULL, // output-unopt-bc
NULL, // output-o
NULL, // output-ji
NULL, // output-code_coverage
0, // incremental
0, // image_file_specified
JL_OPTIONS_WARN_SCOPE_ON // ambiguous scope warning
};
static const char usage[] = "julia [switches] -- [programfile] [args...]\n";
static const char opts[] =
" -v, --version Display version information\n"
" -h, --help Print this message (--help-hidden for more)\n"
" --help-hidden Uncommon options not shown by `-h`\n\n"
// startup options
" --project[={<dir>|@.}] Set <dir> as the home project/environment\n"
" -J, --sysimage <file> Start up with the given system image file\n"
" -H, --home <dir> Set location of `julia` executable\n"
" --startup-file={yes|no} Load `~/.julia/config/startup.jl`\n"
" --handle-signals={yes|no} Enable or disable Julia's default signal handlers\n"
" --sysimage-native-code={yes|no}\n"
" Use native code from system image if available\n"
" --compiled-modules={yes|no}\n"
" Enable or disable incremental precompilation of modules\n\n"
// actions
" -e, --eval <expr> Evaluate <expr>\n"
" -E, --print <expr> Evaluate <expr> and display the result\n"
" -L, --load <file> Load <file> immediately on all processors\n\n"
// parallel options
" -t, --threads {N|auto} Enable N threads; \"auto\" currently sets N to the number of local\n"
" CPU threads but this might change in the future\n"
" -t, --threads {N|auto} Enable N threads. \"auto\" sets N to the number of local CPU threads.\n"
" -p, --procs {N|auto} Integer value N launches N additional local worker processes\n"
" \"auto\" launches as many workers as the number of local CPU threads (logical cores)\n"
" --machine-file <file> Run processes on hosts listed in <file>\n\n"
// interactive options
" -i Interactive mode; REPL runs and isinteractive() is true\n"
" -q, --quiet Quiet startup: no banner, suppress REPL warnings\n"
" --banner={yes|no|auto} Enable or disable startup banner\n"
" --color={yes|no|auto} Enable or disable color text\n"
" --history-file={yes|no} Load or save history\n\n"
// error and warning options
" --depwarn={yes|no|error} Enable or disable syntax and method deprecation warnings (\"error\" turns warnings into errors)\n"
" --warn-overwrite={yes|no} Enable or disable method overwrite warnings\n"
" --warn-scope={yes|no} Enable or disable warning for ambiguous top-level scope\n\n"
// code generation options
" -C, --cpu-target <target> Limit usage of CPU features up to <target>; set to \"help\" to see the available options\n"
" -O, --optimize={0,1,2,3} Set the optimization level (default level is 2 if unspecified or 3 if used without a level)\n"
" -g, -g <level> Enable / Set the level of debug info generation"
#ifdef JL_DEBUG_BUILD
" (default level for julia-debug is 2 if unspecified or if used without a level)\n"
#else
" (default level is 1 if unspecified or 2 if used without a level)\n"
#endif
" --inline={yes|no} Control whether inlining is permitted, including overriding @inline declarations\n"
" --check-bounds={yes|no} Emit bounds checks always or never (ignoring declarations)\n"
#ifdef USE_POLLY
" --polly={yes|no} Enable or disable the polyhedral optimizer Polly (overrides @polly declaration)\n"
#endif
" --math-mode={ieee,fast} Disallow or enable unsafe floating point optimizations (overrides @fastmath declaration)\n\n"
// instrumentation options
" --code-coverage={none|user|all}, --code-coverage\n"
" Count executions of source lines (omitting setting is equivalent to \"user\")\n"
" --code-coverage=tracefile.info\n"
" Append coverage information to the LCOV tracefile (filename supports format tokens).\n"
// TODO: These TOKENS are defined in `runtime_ccall.cpp`. A more verbose `--help` should include that list here.
" --track-allocation={none|user|all}, --track-allocation\n"
" Count bytes allocated by each source line (omitting setting is equivalent to \"user\")\n\n"
;
static const char opts_hidden[] =
// code generation options
" --compile={yes|no|all|min}Enable or disable JIT compiler, or request exhaustive compilation\n"
// compiler output options
" --output-o name Generate an object file (including system image data)\n"
" --output-ji name Generate a system image data file (.ji)\n"
// compiler debugging (see the devdocs for tips on using these options)
" --output-unopt-bc name Generate unoptimized LLVM bitcode (.bc)\n"
" --output-jit-bc name Dump all IR generated by the frontend (not including system image)\n"
" --output-bc name Generate LLVM bitcode (.bc)\n"
" --output-incremental=no Generate an incremental output file (rather than complete)\n"
" --trace-compile={stdout,stderr}\n"
" Print precompile statements for methods compiled during execution.\n\n"
;
JL_DLLEXPORT void jl_parse_opts(int *argcp, char ***argvp)
{
enum { opt_machinefile = 300,
opt_color,
opt_history_file,
opt_startup_file,
opt_compile,
opt_code_coverage,
opt_track_allocation,
opt_check_bounds,
opt_output_unopt_bc,
opt_output_bc,
opt_depwarn,
opt_warn_overwrite,
opt_warn_scope,
opt_inline,
opt_polly,
opt_trace_compile,
opt_math_mode,
opt_worker,
opt_bind_to,
opt_handle_signals,
opt_output_o,
opt_output_ji,
opt_use_precompiled,
opt_use_compilecache,
opt_incremental,
opt_help_hidden,
opt_banner,
opt_sysimage_native_code,
opt_compiled_modules,
opt_machine_file,
opt_project,
};
static const char* const shortopts = "+vhqH:e:E:L:J:C:it:p:O:g:";
static const struct option longopts[] = {
// exposed command line options
// NOTE: This set of required arguments need to be kept in sync
// with the required arguments defined in base/client.jl `process_options()`
{ "version", no_argument, 0, 'v' },
{ "help", no_argument, 0, 'h' },
{ "help-hidden", no_argument, 0, opt_help_hidden },
{ "quiet", no_argument, 0, 'q' },
{ "banner", required_argument, 0, opt_banner },
{ "home", required_argument, 0, 'H' },
{ "eval", required_argument, 0, 'e' },
{ "print", required_argument, 0, 'E' },
{ "load", required_argument, 0, 'L' },
{ "sysimage", required_argument, 0, 'J' },
{ "sysimage-native-code", required_argument, 0, opt_sysimage_native_code },
{ "compiled-modules", required_argument, 0, opt_compiled_modules },
{ "cpu-target", required_argument, 0, 'C' },
{ "procs", required_argument, 0, 'p' },
{ "threads", required_argument, 0, 't' },
{ "machine-file", required_argument, 0, opt_machine_file },
{ "project", optional_argument, 0, opt_project },
{ "color", required_argument, 0, opt_color },
{ "history-file", required_argument, 0, opt_history_file },
{ "startup-file", required_argument, 0, opt_startup_file },
{ "compile", required_argument, 0, opt_compile },
{ "code-coverage", optional_argument, 0, opt_code_coverage },
{ "track-allocation",optional_argument, 0, opt_track_allocation },
{ "optimize", optional_argument, 0, 'O' },
{ "check-bounds", required_argument, 0, opt_check_bounds },
{ "output-bc", required_argument, 0, opt_output_bc },
{ "output-unopt-bc", required_argument, 0, opt_output_unopt_bc },
{ "output-o", required_argument, 0, opt_output_o },
{ "output-ji", required_argument, 0, opt_output_ji },
{ "output-incremental",required_argument, 0, opt_incremental },
{ "depwarn", required_argument, 0, opt_depwarn },
{ "warn-overwrite", required_argument, 0, opt_warn_overwrite },
{ "warn-scope", required_argument, 0, opt_warn_scope },
{ "inline", required_argument, 0, opt_inline },
{ "polly", required_argument, 0, opt_polly },
{ "trace-compile", required_argument, 0, opt_trace_compile },
{ "math-mode", required_argument, 0, opt_math_mode },
{ "handle-signals", required_argument, 0, opt_handle_signals },
// hidden command line options
{ "worker", optional_argument, 0, opt_worker },
{ "bind-to", required_argument, 0, opt_bind_to },
{ "lisp", no_argument, 0, 1 },
{ 0, 0, 0, 0 }
};
// If CPUID specific binaries are enabled, this varies between runs, so initialize
// it here, rather than as part of the static initialization above.
jl_options.image_file = jl_get_default_sysimg_path();
jl_options.cmds = NULL;
int ncmds = 0;
const char **cmds = NULL;
int codecov = JL_LOG_NONE;
int malloclog = JL_LOG_NONE;
// getopt handles argument parsing up to -- delineator
int argc = *argcp;
char **argv = *argvp;
if (argc > 0) {
for (int i = 0; i < argc; i++) {
if (!strcmp(argv[i], "--")) {
argc = i;
break;
}
}
}
char *endptr;
opterr = 0; // suppress getopt warning messages
while (1) {
int lastind = optind;
int c = getopt_long(argc, argv, shortopts, longopts, 0);
if (c == -1) break;
restart_switch:
switch (c) {
case 0:
break;
case 1:
jl_errorf("--lisp must be specified as the first argument");
break;
case '?':
case ':':
if (optopt) {
if (optopt == 'g') {
c = 'g';
goto restart_switch;
}
for (const struct option *o = longopts; o->val; o++) {
if (optopt == o->val) {
if (o->has_arg == optional_argument) {
c = o->val;
goto restart_switch;
}
else if (o->val <= 0xff && strchr(shortopts, o->val)) {
jl_errorf("option `-%c/--%s` is missing an argument", o->val, o->name);
}
else {
jl_errorf("option `--%s` is missing an argument", o->name);
}
}
}
jl_errorf("unknown option `-%c`", optopt);
}
else {
jl_errorf("unknown option `%s`", argv[lastind]);
}
break;
case 'v': // version
jl_printf(JL_STDOUT, "julia version %s\n", JULIA_VERSION_STRING);
exit(0);
case 'h': // help
jl_printf(JL_STDOUT, "%s%s", usage, opts);
exit(0);
case opt_help_hidden:
jl_printf(JL_STDOUT, "%s%s", usage, opts_hidden);
exit(0);
case 'g': // debug info
if (optarg != NULL) {
if (!strcmp(optarg,"0"))
jl_options.debug_level = 0;
else if (!strcmp(optarg,"1"))
jl_options.debug_level = 1;
else if (!strcmp(optarg,"2"))
jl_options.debug_level = 2;
else
jl_errorf("julia: invalid argument to -g (%s)", optarg);
break;
}
else {
jl_options.debug_level = 2;
}
break;
case 'H': // home
jl_options.julia_bindir = strdup(optarg);
if (!jl_options.julia_bindir)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
break;
case 'e': // eval
case 'E': // print
case 'L': // load
{
size_t sz = strlen(optarg) + 1;
char *arg = (char*)malloc_s(sz + 1);
const char **newcmds;
arg[0] = c;
memcpy(arg + 1, optarg, sz);
newcmds = (const char**)realloc_s(cmds, (ncmds + 2) * sizeof(char*));
cmds = newcmds;
cmds[ncmds] = arg;
ncmds++;
cmds[ncmds] = 0;
jl_options.cmds = cmds;
break;
}
case 'J': // sysimage
jl_options.image_file = strdup(optarg);
if (!jl_options.image_file)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
jl_options.image_file_specified = 1;
break;
case 'q': // quiet
jl_options.quiet = 1;
if (jl_options.banner < 0)
jl_options.banner = 0;
break;
case opt_banner: // banner
if (!strcmp(optarg, "yes"))
jl_options.banner = 1;
else if (!strcmp(optarg, "no"))
jl_options.banner = 0;
else if (!strcmp(optarg, "auto"))
jl_options.banner = -1;
else
jl_errorf("julia: invalid argument to --banner={yes|no|auto} (%s)", optarg);
break;
case opt_sysimage_native_code:
if (!strcmp(optarg,"yes"))
jl_options.use_sysimage_native_code = JL_OPTIONS_USE_SYSIMAGE_NATIVE_CODE_YES;
else if (!strcmp(optarg,"no"))
jl_options.use_sysimage_native_code = JL_OPTIONS_USE_SYSIMAGE_NATIVE_CODE_NO;
else
jl_errorf("julia: invalid argument to --sysimage-native-code={yes|no} (%s)", optarg);
break;
case opt_compiled_modules:
if (!strcmp(optarg,"yes"))
jl_options.use_compiled_modules = JL_OPTIONS_USE_COMPILED_MODULES_YES;
else if (!strcmp(optarg,"no"))
jl_options.use_compiled_modules = JL_OPTIONS_USE_COMPILED_MODULES_NO;
else
jl_errorf("julia: invalid argument to --compiled-modules={yes|no} (%s)", optarg);
break;
case 'C': // cpu-target
jl_options.cpu_target = strdup(optarg);
if (!jl_options.cpu_target)
jl_error("julia: failed to allocate memory");
break;
case 't': // threads
errno = 0;
if (!strcmp(optarg,"auto")) {
jl_options.nthreads = -1;
}
else {
long nthreads = strtol(optarg, &endptr, 10);
if (errno != 0 || optarg == endptr || *endptr != 0 || nthreads < 1 || nthreads >= INT_MAX)
jl_errorf("julia: -t,--threads=<n> must be an integer >= 1");
jl_options.nthreads = (int)nthreads;
}
break;
case 'p': // procs
errno = 0;
if (!strcmp(optarg,"auto")) {
jl_options.nprocs = jl_cpu_threads();
}
else {
long nprocs = strtol(optarg, &endptr, 10);
if (errno != 0 || optarg == endptr || *endptr != 0 || nprocs < 1 || nprocs >= INT_MAX)
jl_errorf("julia: -p,--procs=<n> must be an integer >= 1");
jl_options.nprocs = (int)nprocs;
}
break;
case opt_machine_file:
jl_options.machine_file = strdup(optarg);
if (!jl_options.machine_file)
jl_error("julia: failed to allocate memory");
break;
case opt_project:
jl_options.project = optarg ? strdup(optarg) : "@.";
break;
case opt_color:
if (!strcmp(optarg, "yes"))
jl_options.color = JL_OPTIONS_COLOR_ON;
else if (!strcmp(optarg, "no"))
jl_options.color = JL_OPTIONS_COLOR_OFF;
else if (!strcmp(optarg, "auto"))
jl_options.color = JL_OPTIONS_COLOR_AUTO;
else
jl_errorf("julia: invalid argument to --color={yes|no|auto} (%s)", optarg);
break;
case opt_history_file:
if (!strcmp(optarg,"yes"))
jl_options.historyfile = JL_OPTIONS_HISTORYFILE_ON;
else if (!strcmp(optarg,"no"))
jl_options.historyfile = JL_OPTIONS_HISTORYFILE_OFF;
else
jl_errorf("julia: invalid argument to --history-file={yes|no} (%s)", optarg);
break;
case opt_startup_file:
if (!strcmp(optarg,"yes"))
jl_options.startupfile = JL_OPTIONS_STARTUPFILE_ON;
else if (!strcmp(optarg,"no"))
jl_options.startupfile = JL_OPTIONS_STARTUPFILE_OFF;
else
jl_errorf("julia: invalid argument to --startup-file={yes|no} (%s)", optarg);
break;
case opt_compile:
if (!strcmp(optarg,"yes"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_ON;
else if (!strcmp(optarg,"no"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_OFF;
else if (!strcmp(optarg,"all"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_ALL;
else if (!strcmp(optarg,"min"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_MIN;
else
jl_errorf("julia: invalid argument to --compile (%s)", optarg);
break;
case opt_code_coverage:
if (optarg != NULL) {
size_t endof = strlen(optarg);
if (!strcmp(optarg, "user"))
codecov = JL_LOG_USER;
else if (!strcmp(optarg, "all"))
codecov = JL_LOG_ALL;
else if (!strcmp(optarg, "none"))
codecov = JL_LOG_NONE;
else if (endof > 5 && !strcmp(optarg + endof - 5, ".info")) {
if (codecov == JL_LOG_NONE)
codecov = JL_LOG_ALL;
jl_options.output_code_coverage = optarg;
}
else
jl_errorf("julia: invalid argument to --code-coverage (%s)", optarg);
break;
}
else {
codecov = JL_LOG_USER;
}
break;
case opt_track_allocation:
if (optarg != NULL) {
if (!strcmp(optarg,"user"))
malloclog = JL_LOG_USER;
else if (!strcmp(optarg,"all"))
malloclog = JL_LOG_ALL;
else if (!strcmp(optarg,"none"))
malloclog = JL_LOG_NONE;
else
jl_errorf("julia: invalid argument to --track-allocation (%s)", optarg);
break;
}
else {
malloclog = JL_LOG_USER;
}
break;
case 'O': // optimize
if (optarg != NULL) {
if (!strcmp(optarg,"0"))
jl_options.opt_level = 0;
else if (!strcmp(optarg,"1"))
jl_options.opt_level = 1;
else if (!strcmp(optarg,"2"))
jl_options.opt_level = 2;
else if (!strcmp(optarg,"3"))
jl_options.opt_level = 3;
else
jl_errorf("julia: invalid argument to -O (%s)", optarg);
break;
}
else {
jl_options.opt_level = 3;
}
break;
case 'i': // isinteractive
jl_options.isinteractive = 1;
break;
case opt_check_bounds:
if (!strcmp(optarg,"yes"))
jl_options.check_bounds = JL_OPTIONS_CHECK_BOUNDS_ON;
else if (!strcmp(optarg,"no"))
jl_options.check_bounds = JL_OPTIONS_CHECK_BOUNDS_OFF;
else
jl_errorf("julia: invalid argument to --check-bounds={yes|no} (%s)", optarg);
break;
case opt_output_bc:
jl_options.outputbc = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_unopt_bc:
jl_options.outputunoptbc = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_o:
jl_options.outputo = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_ji:
jl_options.outputji = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_incremental:
if (!strcmp(optarg,"yes"))
jl_options.incremental = 1;
else if (!strcmp(optarg,"no"))
jl_options.incremental = 0;
else
jl_errorf("julia: invalid argument to --output-incremental={yes|no} (%s)", optarg);
break;
case opt_depwarn:
if (!strcmp(optarg,"yes"))
jl_options.depwarn = JL_OPTIONS_DEPWARN_ON;
else if (!strcmp(optarg,"no"))
jl_options.depwarn = JL_OPTIONS_DEPWARN_OFF;
else if (!strcmp(optarg,"error"))
jl_options.depwarn = JL_OPTIONS_DEPWARN_ERROR;
else
jl_errorf("julia: invalid argument to --depwarn={yes|no|error} (%s)", optarg);
break;
case opt_warn_overwrite:
if (!strcmp(optarg,"yes"))
jl_options.warn_overwrite = JL_OPTIONS_WARN_OVERWRITE_ON;
else if (!strcmp(optarg,"no"))
jl_options.warn_overwrite = JL_OPTIONS_WARN_OVERWRITE_OFF;
else
jl_errorf("julia: invalid argument to --warn-overwrite={yes|no} (%s)", optarg);
break;
case opt_warn_scope:
if (!strcmp(optarg,"yes"))
jl_options.warn_scope = JL_OPTIONS_WARN_SCOPE_ON;
else if (!strcmp(optarg,"no"))
jl_options.warn_scope = JL_OPTIONS_WARN_SCOPE_OFF;
else
jl_errorf("julia: invalid argument to --warn-scope={yes|no} (%s)", optarg);
break;
case opt_inline:
if (!strcmp(optarg,"yes"))
jl_options.can_inline = 1;
else if (!strcmp(optarg,"no"))
jl_options.can_inline = 0;
else {
jl_errorf("julia: invalid argument to --inline (%s)", optarg);
}
break;
case opt_polly:
if (!strcmp(optarg,"yes"))
jl_options.polly = JL_OPTIONS_POLLY_ON;
else if (!strcmp(optarg,"no"))
jl_options.polly = JL_OPTIONS_POLLY_OFF;
else {
jl_errorf("julia: invalid argument to --polly (%s)", optarg);
}
break;
case opt_trace_compile:
jl_options.trace_compile = strdup(optarg);
if (!jl_options.trace_compile)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
break;
case opt_math_mode:
if (!strcmp(optarg,"ieee"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_OFF;
else if (!strcmp(optarg,"fast"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_ON;
else if (!strcmp(optarg,"user"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_DEFAULT;
else
jl_errorf("julia: invalid argument to --math-mode (%s)", optarg);
break;
case opt_worker:
jl_options.worker = 1;
if (optarg != NULL) {
jl_options.cookie = strdup(optarg);
if (!jl_options.cookie)
jl_error("julia: failed to allocate memory");
}
break;
case opt_bind_to:
jl_options.bindto = strdup(optarg);
if (!jl_options.bindto)
jl_error("julia: failed to allocate memory");
break;
case opt_handle_signals:
if (!strcmp(optarg,"yes"))
jl_options.handle_signals = JL_OPTIONS_HANDLE_SIGNALS_ON;
else if (!strcmp(optarg,"no"))
jl_options.handle_signals = JL_OPTIONS_HANDLE_SIGNALS_OFF;
else
jl_errorf("julia: invalid argument to --handle-signals (%s)", optarg);
break;
default:
jl_errorf("julia: unhandled option -- %c\n"
"This is a bug, please report it.", c);
}
}
jl_options.code_coverage = codecov;
jl_options.malloc_log = malloclog;
int proc_args = *argcp < optind ? *argcp : optind;
*argvp += proc_args;
*argcp -= proc_args;
}
JL_DLLEXPORT ssize_t jl_sizeof_jl_options(void)
{
return sizeof(jl_options_t);
}