Gotcha... more portable.
Reid
> From: "Howard Chu" <[EMAIL PROTECTED]>
> Date: Mon, 6 Nov 2000 13:24:40 -0800
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> 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!
> >
> > _______________________________________________
> > Bug-make mailing list
> > [EMAIL PROTECTED]
> > http://mail.gnu.org/mailman/listinfo/bug-make
> >
>
--
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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