🚀 go-pugleaf

Here is a short driver for the gcc which we use to produce code for 
our embedded 68000 product.  It was written by Keith Moore at the
U. of Tenn. Knoxville.

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/*
 * This is a hack to allow one to run the GNU C Compiler (gcc) with
 * a reasonable set of arguments to allow it to produce code for
 * a mc68000 (not an -020) to be used in a standalone environment.
 */

#include <stdio.h>

main (argc, argv, envp)
char **argv, **envp;
{
    int i, j;
    int vflag = 0;
    char *new_argv[500];                /* have room for lotsa args */

    i = 0;
    new_argv[i++] = "gcc";
    new_argv[i++] = "-nostdlib";        /* don't link in standard libraries */
    new_argv[i++] = "-m68000";          /* generate code for MC68000 */
    new_argv[i++] = "-msoft-float";     /* don't use FPA or FP chip */
    new_argv[i++] = "-static";          /* don't use dynamic loading */
    new_argv[i++] = "-nostdinc";        /* don't include standard .h files */
    new_argv[i++] = "-I/usr/local/lib/cc68k-include";
                                        /* do include our .h files */
    new_argv[i++] = "-L/usr/local/lib/cc68k-lib";
                                        /* where we put our libraries */
    new_argv[i++] = "-Usun";            /* undefine "sun" macro */
    new_argv[i++] = "-Uunix";           /* undefine "unix" macro */
    
    /*
     * append the arguments we were supplied on our command line to the ones
     * we have defined above
     */
    for (j = 1; j <= argc; ++j) {       /* also copy NULL ptr at argv[argc] */
        new_argv[i++] = argv[j];
        if (j < argc && strcmp (argv[j], "-v") == 0)
            vflag = 1;
    }
    if (vflag) {
        putc (' ', stderr);
        for (i = 0; new_argv[i]; ++i)
            fprintf (stderr, "%s%c", new_argv[i], new_argv[i+1] ? ' ' : '\n');
    }
    execve ("/usr/local/bin/gcc", new_argv, envp);
    perror ("/usr/local/bin/gcc");
    exit (127);
}
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enjoy
-sam
scion@netimage.com