32 lines
981 B
Text
32 lines
981 B
Text
# off64_t.m4
|
|
# serial 1
|
|
dnl Copyright (C) 2024-2025 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 This file is offered as-is, without any warranty.
|
|
|
|
dnl Check whether <sys/types.h> defines the 'off64_t' type.
|
|
dnl Set HAVE_OFF64_T.
|
|
|
|
AC_DEFUN([gl_TYPE_OFF64_T],
|
|
[
|
|
dnl Persuade glibc <sys/types.h>, <stdio.h>, <fcntl.h>, <unistd.h>, <aio.h>
|
|
dnl to define off64_t.
|
|
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
|
|
|
|
AC_CACHE_CHECK([for off64_t], [gl_cv_off64_t],
|
|
[AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[[#include <sys/types.h>]],
|
|
[[int x = sizeof (off64_t *) + sizeof (off64_t);
|
|
return !x;]])],
|
|
[gl_cv_off64_t=yes], [gl_cv_off64_t=no])])
|
|
|
|
if test $gl_cv_off64_t != no; then
|
|
HAVE_OFF64_T=1
|
|
else
|
|
HAVE_OFF64_T=0
|
|
fi
|
|
AC_SUBST([HAVE_OFF64_T])
|
|
])
|