1 # unistd_h.m4 serial 12
2 dnl Copyright (C) 2006-2008 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_DUP2=0; AC_SUBST([GNULIB_DUP2])
37 GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
38 GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
39 GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
40 GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
41 GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
42 GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
43 GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
44 GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
45 GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
46 GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
47 GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
48 GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
49 GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
50 dnl Assume proper GNU behavior unless another module says otherwise.
51 HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
52 HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
53 HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
54 HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
55 HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
56 HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
57 HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
58 HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
59 HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
60 HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
61 REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
62 REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
63 REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
64 REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
65 REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
66 REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
67 REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])