1 # sys_uio_h.m4 serial 1
2 dnl Copyright (C) 2011-2012 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 AC_DEFUN([gl_HEADER_SYS_UIO],
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
17 AC_SUBST([HAVE_SYS_UIO_H])
20 AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR],
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])
29 AC_DEFUN([gl_SYS_UIO_H_DEFAULTS],