1 # unistd_h.m4 serial 21
2 dnl Copyright (C) 2006-2009 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])
15 gl_CHECK_NEXT_HEADERS([unistd.h])
17 AC_CHECK_HEADERS_ONCE([unistd.h])
18 if test $ac_cv_header_unistd_h = yes; then
23 AC_SUBST([HAVE_UNISTD_H])
26 AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
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
33 AC_DEFUN([gl_UNISTD_H_DEFAULTS],
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_DUP3=0; AC_SUBST([GNULIB_DUP3])
39 GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
40 GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
41 GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
42 GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
43 GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
44 GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
45 GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
46 GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
47 GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
48 GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
49 GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
50 GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
51 GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
52 GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
53 GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
54 GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
55 GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
56 GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
57 GNULIB_UNISTD_H_GETOPT=0; AC_SUBST([GNULIB_UNISTD_H_GETOPT])
58 GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
59 GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
60 dnl Assume proper GNU behavior unless another module says otherwise.
61 HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
62 HAVE_DUP3=1; AC_SUBST([HAVE_DUP3])
63 HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
64 HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
65 HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
66 HAVE_GETDOMAINNAME=1; AC_SUBST([HAVE_GETDOMAINNAME])
67 HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
68 HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
69 HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
70 HAVE_GETUSERSHELL=1; AC_SUBST([HAVE_GETUSERSHELL])
71 HAVE_LINK=1; AC_SUBST([HAVE_LINK])
72 HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
73 HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
74 HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
75 HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
76 HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
77 HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
78 HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
79 REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
80 REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
81 REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
82 REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
83 REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
84 REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
85 REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
86 REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
87 REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
88 UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
89 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
90 AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])