-# unistd_h.m4 serial 2
-dnl Copyright (C) 2006 Free Software Foundation, Inc.
+# unistd_h.m4 serial 71
+dnl Copyright (C) 2006-2018 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
+dnl Written by Simon Josefsson, Bruno Haible.
-AC_DEFUN([gl_HEADER_UNISTD],
+AC_DEFUN([gl_UNISTD_H],
[
- dnl Prerequisites of lib/unistd.h.
- AC_CHECK_HEADERS([unistd.h], [
- UNISTD_H=''
- ], [
- UNISTD_H='unistd.h'
- ])
- AC_SUBST(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])
+
+ gl_CHECK_NEXT_HEADERS([unistd.h])
+ if test $ac_cv_header_unistd_h = yes; then
+ HAVE_UNISTD_H=1
+ else
+ HAVE_UNISTD_H=0
+ fi
+ AC_SUBST([HAVE_UNISTD_H])
+
+ dnl Ensure the type pid_t gets defined.
+ AC_REQUIRE([AC_TYPE_PID_T])
+
+ dnl Determine WINDOWS_64_BIT_OFF_T.
+ AC_REQUIRE([gl_TYPE_OFF_T])
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+/* Some systems declare various items in the wrong headers. */
+#if !(defined __GLIBC__ && !defined __UCLIBC__)
+# include <fcntl.h>
+# include <stdio.h>
+# include <stdlib.h>
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# include <io.h>
+# endif
+#endif
+ ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat
+ fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups
+ gethostname getlogin getlogin_r getpagesize
+ getusershell setusershell endusershell
+ group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite
+ readlink readlinkat rmdir sethostname sleep symlink symlinkat
+ truncate ttyname_r unlink unlinkat usleep])
+])
+
+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])
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+AC_DEFUN([gl_UNISTD_H_DEFAULTS],
+[
+ GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR])
+ GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
+ GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
+ GNULIB_DUP=0; AC_SUBST([GNULIB_DUP])
+ GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
+ GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3])
+ GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
+ GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
+ GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT])
+ GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
+ GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT])
+ GNULIB_FDATASYNC=0; AC_SUBST([GNULIB_FDATASYNC])
+ GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
+ GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
+ GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
+ GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
+ GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
+ GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS])
+ GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
+ GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN])
+ GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
+ GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
+ GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
+ GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER])
+ GNULIB_ISATTY=0; AC_SUBST([GNULIB_ISATTY])
+ GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
+ GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
+ GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT])
+ GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
+ GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE])
+ GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
+ GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD])
+ GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE])
+ GNULIB_READ=0; AC_SUBST([GNULIB_READ])
+ GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
+ GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT])
+ GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR])
+ GNULIB_SETHOSTNAME=0; AC_SUBST([GNULIB_SETHOSTNAME])
+ GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
+ GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK])
+ GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT])
+ GNULIB_TRUNCATE=0; AC_SUBST([GNULIB_TRUNCATE])
+ GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R])
+ GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING])
+ GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
+ GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK])
+ GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT])
+ GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP])
+ GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN])
+ HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
+ HAVE_DUP3=1; AC_SUBST([HAVE_DUP3])
+ HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
+ HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT])
+ HAVE_FCHDIR=1; AC_SUBST([HAVE_FCHDIR])
+ HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
+ HAVE_FDATASYNC=1; AC_SUBST([HAVE_FDATASYNC])
+ HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
+ HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
+ HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
+ HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
+ HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
+ HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN])
+ HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
+ HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER])
+ HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN])
+ HAVE_LINK=1; AC_SUBST([HAVE_LINK])
+ HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT])
+ HAVE_PIPE=1; AC_SUBST([HAVE_PIPE])
+ HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
+ HAVE_PREAD=1; AC_SUBST([HAVE_PREAD])
+ HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE])
+ HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
+ HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT])
+ HAVE_SETHOSTNAME=1; AC_SUBST([HAVE_SETHOSTNAME])
+ HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
+ HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
+ HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
+ HAVE_TRUNCATE=1; AC_SUBST([HAVE_TRUNCATE])
+ HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
+ HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
+ HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
+ HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR])
+ HAVE_DECL_FDATASYNC=1; AC_SUBST([HAVE_DECL_FDATASYNC])
+ HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME])
+ HAVE_DECL_GETLOGIN=1; AC_SUBST([HAVE_DECL_GETLOGIN])
+ HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
+ HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE])
+ HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL])
+ HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME])
+ HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R])
+ HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
+ HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
+ REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
+ REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
+ REPLACE_DUP=0; AC_SUBST([REPLACE_DUP])
+ REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
+ REPLACE_FACCESSAT=0; AC_SUBST([REPLACE_FACCESSAT])
+ REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
+ REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE])
+ REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
+ REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME])
+ REPLACE_GETDTABLESIZE=0; AC_SUBST([REPLACE_GETDTABLESIZE])
+ REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R])
+ REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS])
+ REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
+ REPLACE_ISATTY=0; AC_SUBST([REPLACE_ISATTY])
+ REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
+ REPLACE_LINK=0; AC_SUBST([REPLACE_LINK])
+ REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT])
+ REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
+ REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD])
+ REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE])
+ REPLACE_READ=0; AC_SUBST([REPLACE_READ])
+ REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK])
+ REPLACE_READLINKAT=0; AC_SUBST([REPLACE_READLINKAT])
+ REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR])
+ REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP])
+ REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK])
+ REPLACE_SYMLINKAT=0; AC_SUBST([REPLACE_SYMLINKAT])
+ REPLACE_TRUNCATE=0; AC_SUBST([REPLACE_TRUNCATE])
+ REPLACE_TTYNAME_R=0; AC_SUBST([REPLACE_TTYNAME_R])
+ REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK])
+ REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT])
+ REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP])
+ REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
+ UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
+ UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
+ AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
])
projects / debian / gzip / blobdiff