|
Last change
on this file since 672 was
444,
checked in by satin@…, 6 years ago
|
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
|
File size:
1.0 KB
|
| Line | |
|---|
| 1 | dnl Copyright (C) 2015 Free Software Foundation, Inc. |
|---|
| 2 | dnl This file is free software, distributed under the terms of the GNU |
|---|
| 3 | dnl General Public License. As a special exception to the GNU General |
|---|
| 4 | dnl Public License, this file may be distributed as part of a program |
|---|
| 5 | dnl that contains a configuration script generated by Autoconf, under |
|---|
| 6 | dnl the same distribution terms as the rest of that program. |
|---|
| 7 | |
|---|
| 8 | # Define HAVE_BITFIELD_TYPE_MATTERS if the type of bitfields effects their |
|---|
| 9 | # alignment. |
|---|
| 10 | |
|---|
| 11 | AC_DEFUN([gt_BITFIELD_TYPE_MATTERS], |
|---|
| 12 | [ |
|---|
| 13 | AC_CACHE_CHECK([if the type of bitfields matters], gt_cv_bitfield_type_matters, |
|---|
| 14 | [ |
|---|
| 15 | AC_TRY_COMPILE( |
|---|
| 16 | [struct foo1 { char x; char y:1; char z; }; |
|---|
| 17 | struct foo2 { char x; long long int y:1; char z; }; |
|---|
| 18 | int foo1test[ sizeof (struct foo1) < sizeof (struct foo2) ? 1 : -1 ]; ], |
|---|
| 19 | [], gt_cv_bitfield_type_matters=yes, gt_cv_bitfield_type_matters=no) |
|---|
| 20 | ]) |
|---|
| 21 | if test $gt_cv_bitfield_type_matters = yes; then |
|---|
| 22 | AC_DEFINE(HAVE_BITFIELD_TYPE_MATTERS, 1, |
|---|
| 23 | [Define if the type of bitfields effects alignment.]) |
|---|
| 24 | fi |
|---|
| 25 | ]) |
|---|
Note: See
TracBrowser
for help on using the repository browser.
