blob: d62da6953df2ef9683512f71aa6adac65b2b74da [file] [log] [blame]
# unistd_h.m4 serial 6
dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Written by Simon Josefsson, Bruno Haible.
AC_DEFUN([gl_UNISTD_H],
[
dnl Use AC_REQUIRE here, so that the default behavior below is expanded
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_CHECK_HEADERS_ONCE([unistd.h])
if test $ac_cv_header_unistd_h = yes; then
HAVE_UNISTD_H=1
gl_ABSOLUTE_HEADER([unistd.h])
ABSOLUTE_UNISTD_H=\"$gl_cv_absolute_unistd_h\"
else
HAVE_UNISTD_H=0
fi
AC_SUBST([HAVE_UNISTD_H])
AC_SUBST([ABSOLUTE_UNISTD_H])
])
AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
])
AC_DEFUN([gl_UNISTD_H_DEFAULTS],
[
GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
])