m4/sys_uio_h.m4

   1 # sys_uio_h.m4 serial 1
   2 dnl Copyright (C) 2011-2014 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 AC_DEFUN([gl_HEADER_SYS_UIO],
   8 [
   9   AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS])
  10   dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK.
  11   gl_CHECK_NEXT_HEADERS([sys/uio.h])
  12   if test $ac_cv_header_sys_uio_h = yes; then
  13     HAVE_SYS_UIO_H=1
  14   else
  15     HAVE_SYS_UIO_H=0
  16   fi
  17   AC_SUBST([HAVE_SYS_UIO_H])
  18 ])
  19
  20 AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR],
  21 [
  22   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  23   AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS])
  24   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  25   dnl Define it also as a C macro, for the benefit of the unit tests.
  26   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  27 ])
  28
  29 AC_DEFUN([gl_SYS_UIO_H_DEFAULTS],
  30 [
  31 ])