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- /* prefix-args.c - echo each argument, prefixed by a string.
- Jim Blandy <jimb@occs.cs.oberlin.edu> - September 1992
-
- When using GCC 2 as the linker in the build process, options
- intended for the linker need to be prefixed with the "-Xlinker"
- option. If an option takes an argument, we need to use -Xlinker
- twice - once for the option and once for its argument. For
- example, to run the linker with the options "-Bstatic" "-e"
- "_start", you'd need to pass the following options to GCC:
-
- -Xlinker -Bstatic -Xlinker -e -Xlinker _start.
-
- The Emacs makefile used to use a Bourne Shell `for' loop to prefix
- each linker option with "-Xlinker", but 1) the for loop was hairier
- than one might hope because it had to work when there were no
- arguments to pass to the linker - the shell barfs on a loop like
- this:
-
- for arg in ; do echo -Xlinker "$arg"; done
-
- and 2) the whole compilation command containing this loop seems to
- exit with a non-zero status and halt the build under Ultrix.
-
- If I can't write a completely portable program to do this in C,
- I'm quitting and taking up gardening. */
-
- #include <stdio.h>
-
- main (argc, argv)
- int argc;
- char **argv;
- {
- char *progname;
- char *prefix;
-
- progname = argv[0];
- argc--, argv++;
-
- if (argc < 1)
- {
- fprintf (stderr, "Usage: %s PREFIX ARGS...\n\
- Echo each ARG preceded by PREFIX and a space.\n", progname);
- exit (2);
- }
-
- prefix = argv[0];
- argc--, argv++;
-
- for (; argc > 0; argc--, argv++)
- printf ("%s %s%c", prefix, argv[0], (argc > 1) ? ' ' : '\n');
-
- exit (0);
- }
-