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#else
        " Unidentified system"
#endif
        ")\n", TCC_VERSION);
        break;
    case 1:
        printf("install: %s\n", s->tcc_lib_path);
        /* print_paths("programs", NULL, 0); */
        print_paths("include", s->sysinclude_paths, s->nb_sysinclude_paths);
        print_paths("libraries", s->library_paths, s->nb_library_paths);
#ifndef TCC_TARGET_PE
        print_paths("crt", s->crt_paths, s->nb_crt_paths);
        printf("elfinterp:\n  %s\n",  DEFAULT_ELFINTERP(s));
#endif
        break;
    }
}

static void help(void)
{
    printf("Tiny C Compiler "TCC_VERSION" - Copyright (C) 2001-2006 Fabrice Bellard\n"
/* #ifdef CONFIG_TCC_EXSYMTAB */
           "compiled with the exsymtab extension by David Mertens\n"
           "\n"
/* #endif */
           "Usage: tcc [options...] [-o outfile] [-c] infile(s)...\n"
           "       tcc [options...] -run infile [arguments...]\n"
           "General options:\n"
           "  -c          compile only - generate an object file\n"
           "  -o outfile  set output filename\n"
           "  -run        run compiled source\n"
           "  -fflag      set or reset (with 'no-' prefix) 'flag' (see man page)\n"
           "  -mms-bitfields  use bitfield alignment consistent with MSVC\n"
           "  -Wwarning   set or reset (with 'no-' prefix) 'warning' (see man page)\n"
           "  -w          disable all warnings\n"
           "  -v          show version\n"
           "  -vv         show included files (as sole argument: show search paths)\n"
           "  -dumpversion\n"
           "  -bench      show compilation statistics\n"
           "  -xc -xa     specify type of the next infile\n"
           "  -           use stdin pipe as infile\n"
           "  @listfile   read arguments from listfile\n"
           "Preprocessor options:\n"
           "  -Idir       add include path 'dir'\n"
           "  -Dsym[=val] define 'sym' with value 'val'\n"
           "  -Usym       undefine 'sym'\n"
           "  -E          preprocess only\n"
           "  -P[1]       no / alternative #line output with -E\n"
           "  -dD -dM     output #define directives with -E\n"
           "Linker options:\n"
           "  -Ldir       add library path 'dir'\n"
           "  -llib       link with dynamic or static library 'lib'\n"
           "  -pthread    link with -lpthread and -D_REENTRANT (POSIX Linux)\n"
           "  -r          generate (relocatable) object file\n"
           "  -rdynamic   export all global symbols to dynamic linker\n"
           "  -shared     generate a shared library\n"
           "  -soname     set name for shared library to be used at runtime\n"
           "  -static     static linking\n"
           "  -Wl,-opt[=val]  set linker option (see manual)\n"
           "Debugger options:\n"
           "  -g          generate runtime debug info\n"
#ifdef CONFIG_TCC_BCHECK
           "  -b          compile with built-in memory and bounds checker (implies -g)\n"
#endif
#ifdef CONFIG_TCC_BACKTRACE
           "  -bt N       show N callers in stack traces\n"
#endif
           "Misc options:\n"
           "  -nostdinc   do not use standard system include paths\n"
           "  -nostdlib   do not link with standard crt and libraries\n"
           "  -Bdir       use 'dir' as tcc internal library and include path\n"
           "  -MD         generate target dependencies for make\n"
           "  -MF depfile put generated dependencies here\n"
           );
}

/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
#ifdef _WIN32
#include <process.h>
static int execvp_win32(const char *prog, char **argv)
{
    int ret = _spawnvp(P_NOWAIT, prog, (const char *const*)argv);
    if (-1 == ret)
        return ret;
    cwait(&ret, ret, WAIT_CHILD);
    exit(ret);
}
#define execvp execvp_win32
#endif
static void exec_other_tcc(TCCState *s, char **argv, const char *optarg)
{
    char child_path[4096], *child_name; const char *target;
    switch (atoi(optarg)) {
#ifdef TCC_TARGET_I386
        case 32: break;
        case 64: target = "x86_64";
#else
        case 64: break;
        case 32: target = "i386";
#endif
            pstrcpy(child_path, sizeof child_path - 40, argv[0]);
            child_name = tcc_basename(child_path);
            strcpy(child_name, target);
#ifdef TCC_TARGET_PE
            strcat(child_name, "-win32");
#endif
            strcat(child_name, "-tcc");
            if (strcmp(argv[0], child_path)) {
                if (s->verbose > 0)
                    printf("tcc: using '%s'\n", child_name), fflush(stdout);
                execvp(argv[0] = child_path, argv);
            }
            tcc_error("'%s' not found", child_name);
        case 0: /* ignore -march etc. */
            break;
        default:
            tcc_warning("unsupported option \"-m%s\"", optarg);
    }
}
#else