| # sys_uio_h.m4 serial 1 |
| dnl Copyright (C) 2011-2021 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. |
| |
| AC_DEFUN([gl_HEADER_SYS_UIO], |
| [ |
| AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) |
| dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK. |
| gl_CHECK_NEXT_HEADERS([sys/uio.h]) |
| if test $ac_cv_header_sys_uio_h = yes; then |
| HAVE_SYS_UIO_H=1 |
| else |
| HAVE_SYS_UIO_H=0 |
| fi |
| AC_SUBST([HAVE_SYS_UIO_H]) |
| ]) |
| |
| AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR], |
| [ |
| dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
| AC_REQUIRE([gl_SYS_UIO_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_SYS_UIO_H_DEFAULTS], |
| [ |
| ]) |
