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authorRincewindsHat <12514511+RincewindsHat@users.noreply.github.com>2023-09-18 20:59:46 (GMT)
committerRincewindsHat <12514511+RincewindsHat@users.noreply.github.com>2023-09-18 20:59:46 (GMT)
commit0e70e81133c25274fe2dd2309556b41357dd759b (patch)
tree9a680b36788ee1ad4e7ecc5ccfeb4494db9fdc72 /gl/m4/fseeko.m4
parentce355c80cf6054bfa5e1dcf81f9e2183ef963ee1 (diff)
parent2ddc75e69db5a3dd379c896d8420c9af20ec1cee (diff)
downloadmonitoring-plugins-0e70e81133c25274fe2dd2309556b41357dd759b.tar.gz
Merge branch 'master' into mysql_detect_mysqldumprefs/pull/1718/head
Diffstat (limited to 'gl/m4/fseeko.m4')
-rw-r--r--gl/m4/fseeko.m477
1 files changed, 77 insertions, 0 deletions
diff --git a/gl/m4/fseeko.m4 b/gl/m4/fseeko.m4
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1# fseeko.m4 serial 20
2dnl Copyright (C) 2007-2023 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_FSEEKO],
8[
9 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
10 AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
11 AC_REQUIRE([gl_SYS_TYPES_H])
12 AC_REQUIRE([AC_PROG_CC])
13
14 dnl Persuade glibc <stdio.h> to declare fseeko().
15 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
16
17 AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
18 [
19 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
20]], [[fseeko (stdin, 0, 0);]])],
21 [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
22 ])
23
24 AC_CHECK_DECLS_ONCE([fseeko])
25 if test $ac_cv_have_decl_fseeko = no; then
26 HAVE_DECL_FSEEKO=0
27 fi
28
29 if test $gl_cv_func_fseeko = no; then
30 HAVE_FSEEKO=0
31 else
32 if test $WINDOWS_64_BIT_OFF_T = 1; then
33 REPLACE_FSEEKO=1
34 fi
35 if test $gl_cv_var_stdin_large_offset = no; then
36 REPLACE_FSEEKO=1
37 fi
38 m4_ifdef([gl_FUNC_FFLUSH_STDIN], [
39 gl_FUNC_FFLUSH_STDIN
40 case "$gl_cv_func_fflush_stdin" in
41 *yes) ;;
42 *) REPLACE_FSEEKO=1 ;;
43 esac
44 ])
45 fi
46])
47
48dnl Code shared by fseeko and ftello. Determine if large files are supported,
49dnl but stdin does not start as a large file by default.
50AC_DEFUN([gl_STDIN_LARGE_OFFSET],
51 [
52 AC_CACHE_CHECK([whether stdin defaults to large file offsets],
53 [gl_cv_var_stdin_large_offset],
54 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],
55[[#if defined __SL64 && defined __SCLE /* cygwin */
56 /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making
57 fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and
58 it is easier to do a version check than building a runtime test. */
59# include <cygwin/version.h>
60# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)
61 choke me
62# endif
63#endif]])],
64 [gl_cv_var_stdin_large_offset=yes],
65 [gl_cv_var_stdin_large_offset=no])])
66])
67
68# Prerequisites of lib/fseeko.c.
69AC_DEFUN([gl_PREREQ_FSEEKO],
70[
71 dnl Native Windows has the function _fseeki64. mingw hides it in some
72 dnl circumstances, but mingw64 makes it usable again.
73 AC_CHECK_FUNCS([_fseeki64])
74 if test $ac_cv_func__fseeki64 = yes; then
75 AC_CHECK_DECLS([_fseeki64])
76 fi
77])