Bootstrapping the build engine
execnt.c: In function 'maxline':
execnt.c:523:12: warning: type defaults to 'int' in declaration of 'result' [-Wimplicit-int]
     static result;
            ^~~~~~
modules/path.c: In function 'path_exists':
modules/path.c:16:12: warning: implicit declaration of function 'file_query' [-Wimplicit-function-declaration]
     return file_query( list_front( lol_get( frame->args, 0 ) ) ) ?
            ^~~~~~~~~~

Bootstrapping is done. To build, run:

    .\b2 --prefix=DIR install