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-rw-r--r--m4/tsearch.m464
1 files changed, 0 insertions, 64 deletions
diff --git a/m4/tsearch.m4 b/m4/tsearch.m4
deleted file mode 100644
index 9f8782e4..00000000
--- a/m4/tsearch.m4
+++ /dev/null
@@ -1,64 +0,0 @@
1# tsearch.m4 serial 8
2dnl Copyright (C) 2006-2021 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_TSEARCH],
8[
9 AC_REQUIRE([gl_SEARCH_H_DEFAULTS])
10 AC_CHECK_FUNCS([tsearch twalk])
11 if test $ac_cv_func_tsearch = yes; then
12 dnl On OpenBSD 4.0, the return value of tdelete() is incorrect.
13 AC_REQUIRE([AC_PROG_CC])
14 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
15 AC_CACHE_CHECK([whether tdelete works], [gl_cv_func_tdelete_works],
16 [
17 AC_RUN_IFELSE([AC_LANG_SOURCE([[
18#include <stddef.h>
19#include <search.h>
20static int
21cmp_fn (const void *a, const void *b)
22{
23 return *(const int *) a - *(const int *) b;
24}
25int
26main ()
27{
28 int result = 0;
29 int x = 0;
30 void *root = NULL;
31 if (!(tfind (&x, &root, cmp_fn) == NULL))
32 result |= 1;
33 tsearch (&x, &root, cmp_fn);
34 if (!(tfind (&x, &root, cmp_fn) != NULL))
35 result |= 2;
36 if (!(tdelete (&x, &root, cmp_fn) != NULL))
37 result |= 4;
38 return result;
39}]])], [gl_cv_func_tdelete_works=yes], [gl_cv_func_tdelete_works=no],
40 [case "$host_os" in
41 openbsd*) gl_cv_func_tdelete_works="guessing no" ;;
42 # Guess yes on native Windows.
43 mingw*) gl_cv_func_tdelete_works="guessing yes" ;;
44 *) gl_cv_func_tdelete_works="guessing yes" ;;
45 esac
46 ])
47 ])
48 case "$gl_cv_func_tdelete_works" in
49 *no)
50 REPLACE_TSEARCH=1
51 ;;
52 esac
53 else
54 HAVE_TSEARCH=0
55 fi
56 if test $ac_cv_func_twalk != yes; then
57 HAVE_TWALK=0
58 fi
59])
60
61# Prerequisites of lib/tsearch.c.
62AC_DEFUN([gl_PREREQ_TSEARCH], [
63 :
64])