|
Last change
on this file since 3554 was 3529, checked in by bird, 4 years ago |
|
Imported grep 3.7 from grep-3.7.tar.gz (sha256: c22b0cf2d4f6bbe599c902387e8058990e1eee99aef333a203829e5fd3dbb342), applying minimal auto-props.
|
-
Property svn:eol-style
set to
LF
|
|
File size:
1.3 KB
|
| Line | |
|---|
| 1 | # serial 21
|
|---|
| 2 |
|
|---|
| 3 | # See if we need to emulate a missing ftruncate function using _chsize.
|
|---|
| 4 |
|
|---|
| 5 | # Copyright (C) 2000-2001, 2003-2007, 2009-2021 Free Software Foundation, Inc.
|
|---|
| 6 | # This file is free software; the Free Software Foundation
|
|---|
| 7 | # gives unlimited permission to copy and/or distribute it,
|
|---|
| 8 | # with or without modifications, as long as this notice is preserved.
|
|---|
| 9 |
|
|---|
| 10 | AC_DEFUN([gl_FUNC_FTRUNCATE],
|
|---|
| 11 | [
|
|---|
| 12 | AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
|
|---|
| 13 | AC_CHECK_FUNCS_ONCE([ftruncate])
|
|---|
| 14 | if test $ac_cv_func_ftruncate = yes; then
|
|---|
| 15 | m4_ifdef([gl_LARGEFILE], [
|
|---|
| 16 | AC_REQUIRE([AC_CANONICAL_HOST])
|
|---|
| 17 | case "$host_os" in
|
|---|
| 18 | mingw*)
|
|---|
| 19 | dnl Native Windows, and Large File Support is requested.
|
|---|
| 20 | dnl The MSVCRT _chsize() function only accepts a 32-bit file size,
|
|---|
| 21 | dnl and the mingw64 ftruncate64() function is unreliable (it may
|
|---|
| 22 | dnl delete the file, see
|
|---|
| 23 | dnl <https://web.archive.org/web/20160425005423/http://mingw-w64.sourcearchive.com/documentation/2.0-1/ftruncate64_8c_source.html>).
|
|---|
| 24 | dnl Use gnulib's ftruncate() implementation instead.
|
|---|
| 25 | REPLACE_FTRUNCATE=1
|
|---|
| 26 | ;;
|
|---|
| 27 | esac
|
|---|
| 28 | ], [
|
|---|
| 29 | :
|
|---|
| 30 | ])
|
|---|
| 31 | else
|
|---|
| 32 | HAVE_FTRUNCATE=0
|
|---|
| 33 | fi
|
|---|
| 34 | ])
|
|---|
| 35 |
|
|---|
| 36 | # Prerequisites of lib/ftruncate.c.
|
|---|
| 37 | AC_DEFUN([gl_PREREQ_FTRUNCATE],
|
|---|
| 38 | [
|
|---|
| 39 | AC_CHECK_FUNCS([_chsize])
|
|---|
| 40 | ])
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
