HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| f240aacb | 1 | # flock.m4 serial 1 |
| 61cd9dc9 | 2 | dnl Copyright (C) 2008-2010 Free Software Foundation, Inc. |
| f240aacb LC |
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. | |
| 6 | ||
| 7 | AC_DEFUN([gl_FUNC_FLOCK], | |
| 8 | [ | |
| 9 | AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS]) | |
| 10 | AC_CHECK_FUNCS_ONCE([flock]) | |
| 11 | if test $ac_cv_func_flock = no; then | |
| 12 | HAVE_FLOCK=0 | |
| 13 | AC_LIBOBJ([flock]) | |
| 14 | gl_PREREQ_FLOCK | |
| 15 | fi | |
| 16 | ]) | |
| 17 | ||
| 18 | dnl Prerequisites of lib/flock.c. | |
| 19 | AC_DEFUN([gl_PREREQ_FLOCK], | |
| 20 | [ | |
| 21 | AC_CHECK_FUNCS_ONCE([fcntl]) | |
| 22 | AC_CHECK_HEADERS_ONCE([unistd.h fcntl.h]) | |
| 23 | ||
| 24 | dnl Do we have a POSIX fcntl lock implementation? | |
| 25 | AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]]) | |
| 26 | ]) |