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author | RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> | 2022-08-23 19:42:51 +0200 |
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committer | RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> | 2022-09-14 11:08:55 +0200 |
commit | 868beb15ae02c352005a2df8857f4ebb9bd758fd (patch) | |
tree | 0dc6e6a91c4ef0f131ca82a777e6ac2ad193c399 /gl/m4/largefile.m4 | |
parent | b89aee56964f7d933f2da5f371e32b4d7db9410b (diff) | |
download | monitoring-plugins-868beb1.tar.gz |
Sync with the latest Gnulib code (d27c820595)
Diffstat (limited to 'gl/m4/largefile.m4')
-rw-r--r-- | gl/m4/largefile.m4 | 87 |
1 files changed, 63 insertions, 24 deletions
diff --git a/gl/m4/largefile.m4 b/gl/m4/largefile.m4 index 1e605e3d..ec9677c4 100644 --- a/gl/m4/largefile.m4 +++ b/gl/m4/largefile.m4 | |||
@@ -1,29 +1,52 @@ | |||
1 | # Enable large files on systems where this is not the default. | 1 | # Enable large files on systems where this is not the default. |
2 | # Enable support for files on Linux file systems with 64-bit inode numbers. | ||
2 | 3 | ||
3 | # Copyright 1992-1996, 1998-2013 Free Software Foundation, Inc. | 4 | # Copyright 1992-1996, 1998-2022 Free Software Foundation, Inc. |
4 | # This file is free software; the Free Software Foundation | 5 | # This file is free software; the Free Software Foundation |
5 | # gives unlimited permission to copy and/or distribute it, | 6 | # gives unlimited permission to copy and/or distribute it, |
6 | # with or without modifications, as long as this notice is preserved. | 7 | # with or without modifications, as long as this notice is preserved. |
7 | 8 | ||
8 | # The following implementation works around a problem in autoconf <= 2.69; | 9 | # The following macro works around a problem in Autoconf's AC_FUNC_FSEEKO: |
10 | # It does not set _LARGEFILE_SOURCE=1 on HP-UX/ia64 32-bit, although this | ||
11 | # setting of _LARGEFILE_SOURCE is needed so that <stdio.h> declares fseeko | ||
12 | # and ftello in C++ mode as well. | ||
13 | # Fixed in Autoconf 2.72, which has AC_SYS_YEAR2038. | ||
14 | AC_DEFUN([gl_SET_LARGEFILE_SOURCE], | ||
15 | [ | ||
16 | m4_ifndef([AC_SYS_YEAR2038], [ | ||
17 | AC_REQUIRE([AC_CANONICAL_HOST]) | ||
18 | AC_FUNC_FSEEKO | ||
19 | case "$host_os" in | ||
20 | hpux*) | ||
21 | AC_DEFINE([_LARGEFILE_SOURCE], [1], | ||
22 | [Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2).]) | ||
23 | ;; | ||
24 | esac | ||
25 | ]) | ||
26 | ]) | ||
27 | |||
28 | # Work around a problem in Autoconf through 2.71 on glibc 2.34+ | ||
29 | # with _TIME_BITS. Also, work around a problem in autoconf <= 2.69: | ||
9 | # AC_SYS_LARGEFILE does not configure for large inodes on Mac OS X 10.5, | 30 | # AC_SYS_LARGEFILE does not configure for large inodes on Mac OS X 10.5, |
10 | # or configures them incorrectly in some cases. | 31 | # or configures them incorrectly in some cases. |
11 | m4_version_prereq([2.70], [] ,[ | 32 | m4_version_prereq([2.70], [], [ |
12 | 33 | ||
13 | # _AC_SYS_LARGEFILE_TEST_INCLUDES | 34 | # _AC_SYS_LARGEFILE_TEST_INCLUDES |
14 | # ------------------------------- | 35 | # ------------------------------- |
15 | m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES], | 36 | m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES], |
16 | [@%:@include <sys/types.h> | 37 | [#include <sys/types.h> |
17 | /* Check that off_t can represent 2**63 - 1 correctly. | 38 | /* Check that off_t can represent 2**63 - 1 correctly. |
18 | We can't simply define LARGE_OFF_T to be 9223372036854775807, | 39 | We can't simply define LARGE_OFF_T to be 9223372036854775807, |
19 | since some C++ compilers masquerading as C compilers | 40 | since some C++ compilers masquerading as C compilers |
20 | incorrectly reject 9223372036854775807. */ | 41 | incorrectly reject 9223372036854775807. */ |
21 | @%:@define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) | 42 | #define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31)) |
22 | int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721 | 43 | int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721 |
23 | && LARGE_OFF_T % 2147483647 == 1) | 44 | && LARGE_OFF_T % 2147483647 == 1) |
24 | ? 1 : -1]];[]dnl | 45 | ? 1 : -1]];[]dnl |
25 | ]) | 46 | ]) |
47 | ])# m4_version_prereq 2.70 | ||
26 | 48 | ||
49 | m4_ifndef([AC_SYS_YEAR2038], [ | ||
27 | 50 | ||
28 | # _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, | 51 | # _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, |
29 | # CACHE-VAR, | 52 | # CACHE-VAR, |
@@ -37,7 +60,8 @@ m4_define([_AC_SYS_LARGEFILE_MACRO_VALUE], | |||
37 | [AC_LANG_PROGRAM([$5], [$6])], | 60 | [AC_LANG_PROGRAM([$5], [$6])], |
38 | [$3=no; break]) | 61 | [$3=no; break]) |
39 | m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])( | 62 | m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])( |
40 | [AC_LANG_PROGRAM([@%:@define $1 $2 | 63 | [AC_LANG_PROGRAM([#undef $1 |
64 | #define $1 $2 | ||
41 | $5], [$6])], | 65 | $5], [$6])], |
42 | [$3=$2; break]) | 66 | [$3=$2; break]) |
43 | $3=unknown | 67 | $3=unknown |
@@ -56,13 +80,15 @@ rm -rf conftest*[]dnl | |||
56 | # By default, many hosts won't let programs access large files; | 80 | # By default, many hosts won't let programs access large files; |
57 | # one must use special compiler options to get large-file access to work. | 81 | # one must use special compiler options to get large-file access to work. |
58 | # For more details about this brain damage please see: | 82 | # For more details about this brain damage please see: |
59 | # http://www.unix-systems.org/version2/whatsnew/lfs20mar.html | 83 | # http://www.unix.org/version2/whatsnew/lfs20mar.html |
84 | # Additionally, on Linux file systems with 64-bit inodes a file that happens | ||
85 | # to have a 64-bit inode number cannot be accessed by 32-bit applications on | ||
86 | # Linux x86/x86_64. This can occur with file systems such as XFS and NFS. | ||
60 | AC_DEFUN([AC_SYS_LARGEFILE], | 87 | AC_DEFUN([AC_SYS_LARGEFILE], |
61 | [AC_ARG_ENABLE(largefile, | 88 | [AC_ARG_ENABLE(largefile, |
62 | [ --disable-largefile omit support for large files]) | 89 | [ --disable-largefile omit support for large files]) |
63 | if test "$enable_largefile" != no; then | 90 | AS_IF([test "$enable_largefile" != no], |
64 | 91 | [AC_CACHE_CHECK([for special C compiler options needed for large files], | |
65 | AC_CACHE_CHECK([for special C compiler options needed for large files], | ||
66 | ac_cv_sys_largefile_CC, | 92 | ac_cv_sys_largefile_CC, |
67 | [ac_cv_sys_largefile_CC=no | 93 | [ac_cv_sys_largefile_CC=no |
68 | if test "$GCC" != yes; then | 94 | if test "$GCC" != yes; then |
@@ -87,18 +113,16 @@ if test "$enable_largefile" != no; then | |||
87 | ac_cv_sys_file_offset_bits, | 113 | ac_cv_sys_file_offset_bits, |
88 | [Number of bits in a file offset, on hosts where this is settable.], | 114 | [Number of bits in a file offset, on hosts where this is settable.], |
89 | [_AC_SYS_LARGEFILE_TEST_INCLUDES]) | 115 | [_AC_SYS_LARGEFILE_TEST_INCLUDES]) |
90 | if test $ac_cv_sys_file_offset_bits = unknown; then | 116 | AS_CASE([$ac_cv_sys_file_offset_bits], |
91 | _AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, | 117 | [unknown], |
92 | ac_cv_sys_large_files, | 118 | [_AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1], |
93 | [Define for large files, on AIX-style hosts.], | 119 | [ac_cv_sys_large_files], |
94 | [_AC_SYS_LARGEFILE_TEST_INCLUDES]) | 120 | [Define for large files, on AIX-style hosts.], |
95 | fi | 121 | [_AC_SYS_LARGEFILE_TEST_INCLUDES])], |
96 | 122 | [64], | |
97 | AC_DEFINE([_DARWIN_USE_64_BIT_INODE], [1], | 123 | [gl_YEAR2038_BODY([])])]) |
98 | [Enable large inode numbers on Mac OS X 10.5.]) | ||
99 | fi | ||
100 | ])# AC_SYS_LARGEFILE | 124 | ])# AC_SYS_LARGEFILE |
101 | ])# m4_version_prereq 2.70 | 125 | ])# m4_ifndef AC_SYS_YEAR2038 |
102 | 126 | ||
103 | # Enable large files on systems where this is implemented by Gnulib, not by the | 127 | # Enable large files on systems where this is implemented by Gnulib, not by the |
104 | # system headers. | 128 | # system headers. |
@@ -126,9 +150,24 @@ AC_DEFUN([gl_LARGEFILE], | |||
126 | else | 150 | else |
127 | WINDOWS_64_BIT_OFF_T=0 | 151 | WINDOWS_64_BIT_OFF_T=0 |
128 | fi | 152 | fi |
129 | dnl But all native Windows platforms (including mingw64) have a 32-bit | 153 | dnl Some mingw versions define, if _FILE_OFFSET_BITS=64, 'struct stat' |
130 | dnl st_size member in 'struct stat'. | 154 | dnl to 'struct _stat32i64' or 'struct _stat64' (depending on |
131 | WINDOWS_64_BIT_ST_SIZE=1 | 155 | dnl _USE_32BIT_TIME_T), which has a 32-bit st_size member. |
156 | AC_CACHE_CHECK([for 64-bit st_size], [gl_cv_member_st_size_64], | ||
157 | [AC_COMPILE_IFELSE( | ||
158 | [AC_LANG_PROGRAM( | ||
159 | [[#include <sys/types.h> | ||
160 | struct stat buf; | ||
161 | int verify_st_size_size[sizeof (buf.st_size) >= 8 ? 1 : -1]; | ||
162 | ]], | ||
163 | [[]])], | ||
164 | [gl_cv_member_st_size_64=yes], [gl_cv_member_st_size_64=no]) | ||
165 | ]) | ||
166 | if test $gl_cv_member_st_size_64 = no; then | ||
167 | WINDOWS_64_BIT_ST_SIZE=1 | ||
168 | else | ||
169 | WINDOWS_64_BIT_ST_SIZE=0 | ||
170 | fi | ||
132 | ;; | 171 | ;; |
133 | *) | 172 | *) |
134 | dnl Nothing to do on gnulib's side. | 173 | dnl Nothing to do on gnulib's side. |