Try "xargs command < tmpfile" instead of "cat tmpfile | xargs command" ...
-- Howard Chu
Chief Architect, Symas Corp. Director, Highland Sun
http://www.symas.com http://highlandsun.com/hyc
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Reid Madsen
> Sent: Monday, November 06, 2000 12:29 PM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: GNU enhancement -- $(xargs cmd, list)
>
>
>
> Well, I've got a prototype up and running and IMHO it's quite cool.
>
> All changes are in function.c. The net of the changes are:
>
> * Added support for:
>
> $(xargs command, list)
>
> which is expanded to:
>
> cat <tmpfile> | xargs command; rm -f <tmpfile>
>
> * Added 'func_xargs' as shown below:
>
> static int xargs_file_count = 0;
>
> static char *
> func_xargs(o, argv, funcname)
> char *o;
> char **argv;
> const char* funcname;
> {
> char buff[256];
> char filename[256];
> FILE* fd;
>
> sprintf (filename, "/tmp/gnumake.%d.%d.xargs", getpid(),
> xargs_file_count++);
> fd = fopen(filename, "w");
> fprintf(fd, "%s\n", argv[1]);
> fclose(fd);
>
> sprintf (buff, "cat %s | xargs ", filename);
> o = variable_buffer_output(o, buff, strlen(buff));
> o = variable_buffer_output(o, argv[0], strlen(argv[0]));
> sprintf (buff, "; rm -f %s", filename);
> o = variable_buffer_output(o, buff, strlen(buff));
> return o;
> }
>
> This works perfectly! Well at least it works perfectly within my limited
> understanding of GNUmake.
>
> Additional considerations:
>
> * On machines with dynamic command lines (i.e., Solaris), the $(xargs)
> function should just expand to:
>
> command list
>
> No need for xargs in those cases.
>
> * Allowing user definition of the XARGS command and options.
> Something like:
>
> XARGS = myxargs
> XARGS_OPTIONS = -blah -blah...
>
> with the defaults being:
>
> XARGS = xargs
> XARGS_OPTIONS =
>
> Let me know if you want to integrate this. Personally, I see
> this as a very
> useful extension to GNUmake.
>
> Regards,
>
> Reid Madsen
>
> --
> Reid Madsen [EMAIL PROTECTED]
>
> Senior Member, Tech. Staff (972) 536-3261 (Desk)
> I2 Technologies (214) 850-9613 (Cellular)
> --
> Making incrementally (without 'clean') since May 18, 2000.
> Long live incremental make!
>
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