1 # unistd_h.m4 serial 38
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 environ in the wrong header. */
36 AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
38 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
39 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
40 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
43 AC_DEFUN([gl_UNISTD_H_DEFAULTS],
45 GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
46 GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
47 GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
48 GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3])
49 GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
50 GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
51 GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT])
52 GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
53 GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT])
54 GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
55 GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
56 GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
57 GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
58 GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
59 GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS])
60 GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
61 GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN])
62 GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
63 GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
64 GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
65 GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
66 GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
67 GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT])
68 GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
69 GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
70 GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD])
71 GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
72 GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT])
73 GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR])
74 GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
75 GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK])
76 GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT])
77 GNULIB_UNISTD_H_GETOPT=0; AC_SUBST([GNULIB_UNISTD_H_GETOPT])
78 GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
79 GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK])
80 GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT])
81 GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP])
82 GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
83 dnl Assume proper GNU behavior unless another module says otherwise.
84 HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN])
85 HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
86 HAVE_DUP3=1; AC_SUBST([HAVE_DUP3])
87 HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
88 HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT])
89 HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
90 HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
91 HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
92 HAVE_GETDOMAINNAME=1; AC_SUBST([HAVE_GETDOMAINNAME])
93 HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
94 HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
95 HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
96 HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN])
97 HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
98 HAVE_GETUSERSHELL=1; AC_SUBST([HAVE_GETUSERSHELL])
99 HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN])
100 HAVE_LINK=1; AC_SUBST([HAVE_LINK])
101 HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT])
102 HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
103 HAVE_PREAD=1; AC_SUBST([HAVE_PREAD])
104 HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
105 HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT])
106 HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
107 HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
108 HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
109 HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
110 HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
111 HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
112 HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
113 HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
114 HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
115 REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
116 REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
117 REPLACE_DUP=0; AC_SUBST([REPLACE_DUP])
118 REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
119 REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
120 REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
121 REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
122 REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS])
123 REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
124 REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
125 REPLACE_LINK=0; AC_SUBST([REPLACE_LINK])
126 REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT])
127 REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
128 REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD])
129 REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK])
130 REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR])
131 REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP])
132 REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK])
133 REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK])
134 REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT])
135 REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP])
136 REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
137 UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
138 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
139 AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])