1 # unistd_h.m4 serial 39
2 dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 dnl Written by Simon Josefsson, Bruno Haible.
9 AC_DEFUN([gl_UNISTD_H],
11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
12 dnl once only, before all statements that occur in other macros.
13 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
14 AC_REQUIRE([AC_C_INLINE])
16 gl_CHECK_NEXT_HEADERS([unistd.h])
18 AC_CHECK_HEADERS_ONCE([unistd.h])
19 if test $ac_cv_header_unistd_h = yes; then
24 AC_SUBST([HAVE_UNISTD_H])
26 dnl Check for declarations of anything we want to poison if the
27 dnl corresponding gnulib module is not in use.
28 gl_WARN_ON_USE_PREPARE([[#include <unistd.h>
29 /* Some systems declare various items in the wrong headers. */
34 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
38 ]], [chown dup2 dup3 environ euidaccess faccessat fchdir fchownat
39 fsync ftruncate getcwd getdomainname getdtablesize getgroups
40 gethostname getlogin getlogin_r getpagesize getusershell setusershell
41 endusershell lchown link linkat lseek pipe2 pread readlink readlinkat
42 rmdir sleep symlink symlinkat unlink unlinkat usleep])
45 AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
47 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
48 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
49 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
52 AC_DEFUN([gl_UNISTD_H_DEFAULTS],
54 GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
55 GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
56 GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
57 GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3])
58 GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
59 GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
60 GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT])
61 GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
62 GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT])
63 GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
64 GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
65 GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
66 GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
67 GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
68 GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS])
69 GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
70 GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN])
71 GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
72 GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
73 GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
74 GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
75 GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
76 GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT])
77 GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
78 GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
79 GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD])
80 GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
81 GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT])
82 GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR])
83 GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
84 GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK])
85 GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT])
86 GNULIB_UNISTD_H_GETOPT=0; AC_SUBST([GNULIB_UNISTD_H_GETOPT])
87 GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
88 GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK])
89 GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT])
90 GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP])
91 GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
92 dnl Assume proper GNU behavior unless another module says otherwise.
93 HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN])
94 HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
95 HAVE_DUP3=1; AC_SUBST([HAVE_DUP3])
96 HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
97 HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT])
98 HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
99 HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
100 HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
101 HAVE_GETDOMAINNAME=1; AC_SUBST([HAVE_GETDOMAINNAME])
102 HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
103 HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
104 HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
105 HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN])
106 HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
107 HAVE_GETUSERSHELL=1; AC_SUBST([HAVE_GETUSERSHELL])
108 HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN])
109 HAVE_LINK=1; AC_SUBST([HAVE_LINK])
110 HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT])
111 HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
112 HAVE_PREAD=1; AC_SUBST([HAVE_PREAD])
113 HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
114 HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT])
115 HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
116 HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
117 HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
118 HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
119 HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
120 HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
121 HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
122 HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
123 HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
124 REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
125 REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
126 REPLACE_DUP=0; AC_SUBST([REPLACE_DUP])
127 REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
128 REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
129 REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
130 REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
131 REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS])
132 REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
133 REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
134 REPLACE_LINK=0; AC_SUBST([REPLACE_LINK])
135 REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT])
136 REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
137 REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD])
138 REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK])
139 REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR])
140 REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP])
141 REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK])
142 REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK])
143 REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT])
144 REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP])
145 REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
146 UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
147 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
148 AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])