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1# unistd_h.m4 serial 17
2dnl Copyright (C) 2006-2009 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
7dnl Written by Simon Josefsson, Bruno Haible.
8
9AC_DEFUN([gl_UNISTD_H],
10[
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
15  gl_CHECK_NEXT_HEADERS([unistd.h])
16
17  AC_CHECK_HEADERS_ONCE([unistd.h])
18  if test $ac_cv_header_unistd_h = yes; then
19    HAVE_UNISTD_H=1
20  else
21    HAVE_UNISTD_H=0
22  fi
23  AC_SUBST([HAVE_UNISTD_H])
24])
25
26AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
27[
28  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
29  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
30  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
31])
32
33AC_DEFUN([gl_UNISTD_H_DEFAULTS],
34[
35  GNULIB_CHOWN=0;            AC_SUBST([GNULIB_CHOWN])
36  GNULIB_CLOSE=0;            AC_SUBST([GNULIB_CLOSE])
37  GNULIB_DUP2=0;             AC_SUBST([GNULIB_DUP2])
38  GNULIB_ENVIRON=0;          AC_SUBST([GNULIB_ENVIRON])
39  GNULIB_EUIDACCESS=0;       AC_SUBST([GNULIB_EUIDACCESS])
40  GNULIB_FCHDIR=0;           AC_SUBST([GNULIB_FCHDIR])
41  GNULIB_FSYNC=0;            AC_SUBST([GNULIB_FSYNC])
42  GNULIB_FTRUNCATE=0;        AC_SUBST([GNULIB_FTRUNCATE])
43  GNULIB_GETCWD=0;           AC_SUBST([GNULIB_GETCWD])
44  GNULIB_GETDOMAINNAME=0;    AC_SUBST([GNULIB_GETDOMAINNAME])
45  GNULIB_GETDTABLESIZE=0;    AC_SUBST([GNULIB_GETDTABLESIZE])
46  GNULIB_GETHOSTNAME=0;      AC_SUBST([GNULIB_GETHOSTNAME])
47  GNULIB_GETLOGIN_R=0;       AC_SUBST([GNULIB_GETLOGIN_R])
48  GNULIB_GETPAGESIZE=0;      AC_SUBST([GNULIB_GETPAGESIZE])
49  GNULIB_GETUSERSHELL=0;     AC_SUBST([GNULIB_GETUSERSHELL])
50  GNULIB_LCHOWN=0;           AC_SUBST([GNULIB_LCHOWN])
51  GNULIB_LINK=0;             AC_SUBST([GNULIB_LINK])
52  GNULIB_LSEEK=0;            AC_SUBST([GNULIB_LSEEK])
53  GNULIB_READLINK=0;         AC_SUBST([GNULIB_READLINK])
54  GNULIB_SLEEP=0;            AC_SUBST([GNULIB_SLEEP])
55  GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
56  GNULIB_WRITE=0;            AC_SUBST([GNULIB_WRITE])
57  dnl Assume proper GNU behavior unless another module says otherwise.
58  HAVE_DUP2=1;            AC_SUBST([HAVE_DUP2])
59  HAVE_EUIDACCESS=1;      AC_SUBST([HAVE_EUIDACCESS])
60  HAVE_FSYNC=1;           AC_SUBST([HAVE_FSYNC])
61  HAVE_FTRUNCATE=1;       AC_SUBST([HAVE_FTRUNCATE])
62  HAVE_GETDOMAINNAME=1;   AC_SUBST([HAVE_GETDOMAINNAME])
63  HAVE_GETDTABLESIZE=1;   AC_SUBST([HAVE_GETDTABLESIZE])
64  HAVE_GETHOSTNAME=1;     AC_SUBST([HAVE_GETHOSTNAME])
65  HAVE_GETPAGESIZE=1;     AC_SUBST([HAVE_GETPAGESIZE])
66  HAVE_GETUSERSHELL=1;    AC_SUBST([HAVE_GETUSERSHELL])
67  HAVE_LINK=1;            AC_SUBST([HAVE_LINK])
68  HAVE_READLINK=1;        AC_SUBST([HAVE_READLINK])
69  HAVE_SLEEP=1;           AC_SUBST([HAVE_SLEEP])
70  HAVE_DECL_ENVIRON=1;    AC_SUBST([HAVE_DECL_ENVIRON])
71  HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
72  HAVE_OS_H=0;            AC_SUBST([HAVE_OS_H])
73  HAVE_SYS_PARAM_H=0;     AC_SUBST([HAVE_SYS_PARAM_H])
74  REPLACE_CHOWN=0;        AC_SUBST([REPLACE_CHOWN])
75  REPLACE_CLOSE=0;        AC_SUBST([REPLACE_CLOSE])
76  REPLACE_FCHDIR=0;       AC_SUBST([REPLACE_FCHDIR])
77  REPLACE_GETCWD=0;       AC_SUBST([REPLACE_GETCWD])
78  REPLACE_GETPAGESIZE=0;  AC_SUBST([REPLACE_GETPAGESIZE])
79  REPLACE_LCHOWN=0;       AC_SUBST([REPLACE_LCHOWN])
80  REPLACE_LSEEK=0;        AC_SUBST([REPLACE_LSEEK])
81  REPLACE_WRITE=0;        AC_SUBST([REPLACE_WRITE])
82  UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
83])
84