| 1 | /* Ensures that the FINDLIB_REPLACE_FUNCS macro in configure.in works
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| 2 | Copyright (C) 2004 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software
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| 16 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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| 17 | USA.
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| 18 | */
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| 19 |
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| 20 | /* Written by James Youngman. */
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| 21 |
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| 22 |
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| 23 | #ifdef HAVE_CONFIG_H
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| 24 | #include <config.h>
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| 25 | #endif
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| 26 |
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| 27 |
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| 28 | extern void forcefindlib(void); /* prevent GCC warning... */
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| 29 |
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| 30 |
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| 31 |
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| 32 | /* forcefindlib
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| 33 | *
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| 34 | * This function exists only to be pulled into libfind.a by the
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| 35 | * FINDLIB_REPLACE_FUNCS macro in configure.in. We already have
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| 36 | * AC_REPLACE_FUNCS, but that adds to LIBOBJS, and that's a gnulib thing
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| 37 | * in the case of findutils. Hence we have out own library of replacement
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| 38 | * functions which aren't in gnulib (or aren't in it any more). An example
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| 39 | * of this is waitpid(). I develop on a system that doesn't
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| 40 | * lack waitpid, for example. Therefore FINDLIB_REPLACE_FUNCS(waitpid)
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| 41 | * never puts waitpid.o into FINDLIBOBJS. Hence, to ensure that these
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| 42 | * macros are tested every time, we use FINDLIB_REPLACE_FUNCS on a function
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| 43 | * that never exists anywhere, so always needs to be pulled in. That function
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| 44 | * is forcefindlib().
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| 45 | */
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| 46 | void
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| 47 | forcefindlib(void)
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| 48 | {
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| 49 | /* does nothing, exists only to ensure that FINDLIB_REPLACE_FUNCS works. */
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| 50 | }
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