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guile/m4/flock.m4
Andy Wingo 95ac2204d9 Revert "Update Gnulib to v0.1-603-g1d16a7b"
This reverts commit 2d4da30fde.

This Gnulib update was causing failures related to timezones in
stime.c.  I tried to fix it by adopting the time_rz module from gnulib
but that then caused other failures.  We can try again later.
2015-10-25 10:55:14 +00:00

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# flock.m4 serial 3
dnl Copyright (C) 2008-2014 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_FUNC_FLOCK],
[
AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS])
AC_CHECK_FUNCS_ONCE([flock])
if test $ac_cv_func_flock = no; then
HAVE_FLOCK=0
fi
])
dnl Prerequisites of lib/flock.c.
AC_DEFUN([gl_PREREQ_FLOCK],
[
AC_CHECK_FUNCS_ONCE([fcntl])
AC_CHECK_HEADERS_ONCE([unistd.h])
dnl Do we have a POSIX fcntl lock implementation?
AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]])
])