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authorThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-08 01:11:46 (GMT)
committerThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-13 01:26:35 (GMT)
commit74da141e618ef99959d509cb2e7be35a348a39db (patch)
tree88ebc38b381a1021fc2d74864a71e230ae591c3d /gl/m4/fcntl_h.m4
parentc63a4f726a0b6ad8cf6040f947754a81fd4683bb (diff)
downloadmonitoring-plugins-74da141e618ef99959d509cb2e7be35a348a39db.tar.gz
Sync with the latest Gnulib code (177f525)
Signed-off-by: Thomas Guyot-Sionnest <dermoth@aei.ca>
Diffstat (limited to 'gl/m4/fcntl_h.m4')
-rw-r--r--gl/m4/fcntl_h.m493
1 files changed, 20 insertions, 73 deletions
diff --git a/gl/m4/fcntl_h.m4 b/gl/m4/fcntl_h.m4
index 1ae0b15..e41915c 100644
--- a/gl/m4/fcntl_h.m4
+++ b/gl/m4/fcntl_h.m4
@@ -1,5 +1,6 @@
1# serial 12
1# Configure fcntl.h. 2# Configure fcntl.h.
2dnl Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc. 3dnl Copyright (C) 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 4dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 5dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 6dnl with or without modifications, as long as this notice is preserved.
@@ -9,88 +10,34 @@ dnl Written by Paul Eggert.
9AC_DEFUN([gl_FCNTL_H], 10AC_DEFUN([gl_FCNTL_H],
10[ 11[
11 AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) 12 AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
12 dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW. 13 AC_REQUIRE([gl_FCNTL_O_FLAGS])
13 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
14 AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h],
15 [AC_RUN_IFELSE(
16 [AC_LANG_PROGRAM(
17 [[#include <sys/types.h>
18 #include <sys/stat.h>
19 #include <unistd.h>
20 #include <fcntl.h>
21 #ifndef O_NOATIME
22 #define O_NOATIME 0
23 #endif
24 #ifndef O_NOFOLLOW
25 #define O_NOFOLLOW 0
26 #endif
27 static int const constants[] =
28 {
29 O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC, O_APPEND,
30 O_NONBLOCK, O_SYNC, O_ACCMODE, O_RDONLY, O_RDWR, O_WRONLY
31 };
32 ]],
33 [[
34 int status = !constants;
35 {
36 static char const sym[] = "conftest.sym";
37 if (symlink (".", sym) != 0
38 || close (open (sym, O_RDONLY | O_NOFOLLOW)) == 0)
39 status |= 32;
40 }
41 {
42 static char const file[] = "confdefs.h";
43 int fd = open (file, O_RDONLY | O_NOATIME);
44 char c;
45 struct stat st0, st1;
46 if (fd < 0
47 || fstat (fd, &st0) != 0
48 || sleep (1) != 0
49 || read (fd, &c, 1) != 1
50 || close (fd) != 0
51 || stat (file, &st1) != 0
52 || st0.st_atime != st1.st_atime)
53 status |= 64;
54 }
55 return status;]])],
56 [gl_cv_header_working_fcntl_h=yes],
57 [case $? in #(
58 32) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #(
59 64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #(
60 96) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #(
61 *) gl_cv_header_working_fcntl_h='no';;
62 esac],
63 [gl_cv_header_working_fcntl_h=cross-compiling])])
64
65 case $gl_cv_header_working_fcntl_h in #(
66 *O_NOATIME* | no | cross-compiling) ac_val=0;; #(
67 *) ac_val=1;;
68 esac
69 AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOATIME], [$ac_val],
70 [Define to 1 if O_NOATIME works.])
71
72 case $gl_cv_header_working_fcntl_h in #(
73 *O_NOFOLLOW* | no | cross-compiling) ac_val=0;; #(
74 *) ac_val=1;;
75 esac
76 AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOFOLLOW], [$ac_val],
77 [Define to 1 if O_NOFOLLOW works.])
78
79 gl_CHECK_NEXT_HEADERS([fcntl.h]) 14 gl_CHECK_NEXT_HEADERS([fcntl.h])
80 FCNTL_H='fcntl.h' 15
81 AC_SUBST([FCNTL_H]) 16 dnl Check for declarations of anything we want to poison if the
17 dnl corresponding gnulib module is not in use, if it is not common
18 dnl enough to be declared everywhere.
19 gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
20 ]], [fcntl openat])
82]) 21])
83 22
84AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], 23AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
85[ 24[
86 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 25 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
87 AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) 26 AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
88 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 27 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
28 dnl Define it also as a C macro, for the benefit of the unit tests.
29 gl_MODULE_INDICATOR_FOR_TESTS([$1])
89]) 30])
90 31
91AC_DEFUN([gl_FCNTL_H_DEFAULTS], 32AC_DEFUN([gl_FCNTL_H_DEFAULTS],
92[ 33[
93 GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) 34 GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL])
35 GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN])
36 GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT])
94 dnl Assume proper GNU behavior unless another module says otherwise. 37 dnl Assume proper GNU behavior unless another module says otherwise.
95 REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) 38 HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL])
39 HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT])
40 REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL])
41 REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN])
42 REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT])
96]) 43])