m4/unistd_h.m4

   1 # unistd_h.m4 serial 31
   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.
   6
   7 dnl Written by Simon Josefsson, Bruno Haible.
   8
   9 AC_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
  26 AC_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
  33 AC_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_DUP3=0;             AC_SUBST([GNULIB_DUP3])
  39   GNULIB_ENVIRON=0;          AC_SUBST([GNULIB_ENVIRON])
  40   GNULIB_EUIDACCESS=0;       AC_SUBST([GNULIB_EUIDACCESS])
  41   GNULIB_FACCESSAT=0;        AC_SUBST([GNULIB_FACCESSAT])
  42   GNULIB_FCHDIR=0;           AC_SUBST([GNULIB_FCHDIR])
  43   GNULIB_FCHOWNAT=0;         AC_SUBST([GNULIB_FCHOWNAT])
  44   GNULIB_FSYNC=0;            AC_SUBST([GNULIB_FSYNC])
  45   GNULIB_FTRUNCATE=0;        AC_SUBST([GNULIB_FTRUNCATE])
  46   GNULIB_GETCWD=0;           AC_SUBST([GNULIB_GETCWD])
  47   GNULIB_GETDOMAINNAME=0;    AC_SUBST([GNULIB_GETDOMAINNAME])
  48   GNULIB_GETDTABLESIZE=0;    AC_SUBST([GNULIB_GETDTABLESIZE])
  49   GNULIB_GETHOSTNAME=0;      AC_SUBST([GNULIB_GETHOSTNAME])
  50   GNULIB_GETLOGIN_R=0;       AC_SUBST([GNULIB_GETLOGIN_R])
  51   GNULIB_GETPAGESIZE=0;      AC_SUBST([GNULIB_GETPAGESIZE])
  52   GNULIB_GETUSERSHELL=0;     AC_SUBST([GNULIB_GETUSERSHELL])
  53   GNULIB_LCHOWN=0;           AC_SUBST([GNULIB_LCHOWN])
  54   GNULIB_LINK=0;             AC_SUBST([GNULIB_LINK])
  55   GNULIB_LINKAT=0;           AC_SUBST([GNULIB_LINKAT])
  56   GNULIB_LSEEK=0;            AC_SUBST([GNULIB_LSEEK])
  57   GNULIB_PIPE2=0;            AC_SUBST([GNULIB_PIPE2])
  58   GNULIB_READLINK=0;         AC_SUBST([GNULIB_READLINK])
  59   GNULIB_READLINKAT=0;       AC_SUBST([GNULIB_READLINKAT])
  60   GNULIB_RMDIR=0;            AC_SUBST([GNULIB_RMDIR])
  61   GNULIB_SLEEP=0;            AC_SUBST([GNULIB_SLEEP])
  62   GNULIB_SYMLINK=0;          AC_SUBST([GNULIB_SYMLINK])
  63   GNULIB_SYMLINKAT=0;        AC_SUBST([GNULIB_SYMLINKAT])
  64   GNULIB_UNISTD_H_GETOPT=0;  AC_SUBST([GNULIB_UNISTD_H_GETOPT])
  65   GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
  66   GNULIB_UNLINK=0;           AC_SUBST([GNULIB_UNLINK])
  67   GNULIB_UNLINKAT=0;         AC_SUBST([GNULIB_UNLINKAT])
  68   GNULIB_WRITE=0;            AC_SUBST([GNULIB_WRITE])
  69   dnl Assume proper GNU behavior unless another module says otherwise.
  70   HAVE_DUP2=1;            AC_SUBST([HAVE_DUP2])
  71   HAVE_DUP3=1;            AC_SUBST([HAVE_DUP3])
  72   HAVE_EUIDACCESS=1;      AC_SUBST([HAVE_EUIDACCESS])
  73   HAVE_FACCESSAT=1;       AC_SUBST([HAVE_FACCESSAT])
  74   HAVE_FCHOWNAT=1;        AC_SUBST([HAVE_FCHOWNAT])
  75   HAVE_FSYNC=1;           AC_SUBST([HAVE_FSYNC])
  76   HAVE_FTRUNCATE=1;       AC_SUBST([HAVE_FTRUNCATE])
  77   HAVE_GETDOMAINNAME=1;   AC_SUBST([HAVE_GETDOMAINNAME])
  78   HAVE_GETDTABLESIZE=1;   AC_SUBST([HAVE_GETDTABLESIZE])
  79   HAVE_GETHOSTNAME=1;     AC_SUBST([HAVE_GETHOSTNAME])
  80   HAVE_GETPAGESIZE=1;     AC_SUBST([HAVE_GETPAGESIZE])
  81   HAVE_GETUSERSHELL=1;    AC_SUBST([HAVE_GETUSERSHELL])
  82   HAVE_LINK=1;            AC_SUBST([HAVE_LINK])
  83   HAVE_LINKAT=1;          AC_SUBST([HAVE_LINKAT])
  84   HAVE_PIPE2=1;           AC_SUBST([HAVE_PIPE2])
  85   HAVE_READLINK=1;        AC_SUBST([HAVE_READLINK])
  86   HAVE_READLINKAT=1;      AC_SUBST([HAVE_READLINKAT])
  87   HAVE_SLEEP=1;           AC_SUBST([HAVE_SLEEP])
  88   HAVE_SYMLINK=1;         AC_SUBST([HAVE_SYMLINK])
  89   HAVE_SYMLINKAT=1;       AC_SUBST([HAVE_SYMLINKAT])
  90   HAVE_DECL_ENVIRON=1;    AC_SUBST([HAVE_DECL_ENVIRON])
  91   HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
  92   HAVE_OS_H=0;            AC_SUBST([HAVE_OS_H])
  93   HAVE_SYS_PARAM_H=0;     AC_SUBST([HAVE_SYS_PARAM_H])
  94   HAVE_UNLINKAT=1;        AC_SUBST([HAVE_UNLINKAT])
  95   REPLACE_CHOWN=0;        AC_SUBST([REPLACE_CHOWN])
  96   REPLACE_CLOSE=0;        AC_SUBST([REPLACE_CLOSE])
  97   REPLACE_DUP=0;          AC_SUBST([REPLACE_DUP])
  98   REPLACE_DUP2=0;         AC_SUBST([REPLACE_DUP2])
  99   REPLACE_FCHDIR=0;       AC_SUBST([REPLACE_FCHDIR])
 100   REPLACE_FCHOWNAT=0;     AC_SUBST([REPLACE_FCHOWNAT])
 101   REPLACE_GETCWD=0;       AC_SUBST([REPLACE_GETCWD])
 102   REPLACE_GETPAGESIZE=0;  AC_SUBST([REPLACE_GETPAGESIZE])
 103   REPLACE_LCHOWN=0;       AC_SUBST([REPLACE_LCHOWN])
 104   REPLACE_LINK=0;         AC_SUBST([REPLACE_LINK])
 105   REPLACE_LINKAT=0;       AC_SUBST([REPLACE_LINKAT])
 106   REPLACE_LSEEK=0;        AC_SUBST([REPLACE_LSEEK])
 107   REPLACE_READLINK=0;     AC_SUBST([REPLACE_READLINK])
 108   REPLACE_RMDIR=0;        AC_SUBST([REPLACE_RMDIR])
 109   REPLACE_SYMLINK=0;      AC_SUBST([REPLACE_SYMLINK])
 110   REPLACE_UNLINK=0;       AC_SUBST([REPLACE_UNLINK])
 111   REPLACE_UNLINKAT=0;     AC_SUBST([REPLACE_UNLINKAT])
 112   REPLACE_WRITE=0;        AC_SUBST([REPLACE_WRITE])
 113   UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
 114   UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
 115                            AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
 116 ])