Function main

v2/engine/jam.c:215–602

char const * saved_argv0;

int main( int argc, char * * argv, char * * arg_environ )
{
    int                     n;
    char                  * s;
    struct bjam_option      optv[ N_OPTS ];
    char            const * all = "all";
    int                     status;
    int                     arg_c = argc;
    char          *       * arg_v = argv;
    char            const * progname = argv[ 0 ];
    module_t              * environ_module;

    saved_argv0 = argv[ 0 ];

    BJAM_MEM_INIT();

#ifdef OS_MAC
    InitGraf( &qd.thePort );
#endif

    --argc;
    ++argv;

    if ( getoptions( argc, argv, "-:l:m:d:j:p:f:gs:t:ano:qv", optv ) < 0 )
    {
        printf( "\nusage: %s [ options ] targets...\n\n", progname );

        printf( "-a      Build all targets, even if they are current.\n" );
        printf( "-dx     Set the debug level to x (0-9).\n" );
        printf( "-fx     Read x instead of Jambase.\n" );
        /* printf( "-g      Build from newest sources first.\n" ); */
        printf( "-jx     Run up to x shell commands concurrently.\n" );
        printf( "-lx     Limit actions to x number of seconds after which they are stopped.\n" );
        printf( "-mx     Maximum target output saved (kb), default is to save all output.\n" );
        printf( "-n      Don't actually execute the updating actions.\n" );
        printf( "-ox     Write the updating actions to file x.\n" );
        printf( "-px     x=0, pipes action stdout and stderr merged into action output.\n" );
        printf( "-q      Quit quickly as soon as a target fails.\n" );
        printf( "-sx=y   Set variable x=y, overriding environment.\n" );
        printf( "-tx     Rebuild x, even if it is up-to-date.\n" );
        printf( "-v      Print the version of jam and exit.\n" );
        printf( "--x     Option is ignored.\n\n" );

        exit( EXITBAD );
    }

    /* Version info. */
    if ( ( s = getoptval( optv, 'v', 0 ) ) )
    {
        printf( "Boost.Jam  Version %s. %s.\n", VERSION, OSMINOR );
        printf( "   Copyright 1993-2002 Christopher Seiwald and Perforce "
            "Software, Inc.\n" );
        printf( "   Copyright 2001 David Turner.\n" );
        printf( "   Copyright 2001-2004 David Abrahams.\n" );
        printf( "   Copyright 2002-2008 Rene Rivera.\n" );
        printf( "   Copyright 2003-2008 Vladimir Prus.\n" );
        return EXITOK;
    }