5c481739d7
As it turns out, old versions of gawk do not support -e option. * m4/gen_bpf_attr_m4.sh: Move the gawk script ... * m4/gen_bpf_attr_m4.awk: ... here.
44 lines
1.8 KiB
Bash
Executable File
44 lines
1.8 KiB
Bash
Executable File
#!/bin/sh -efu
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# Copyright (c) 2018 Dmitry V. Levin <ldv@altlinux.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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input=bpf_attr.h
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output="${0%/*}"/bpf_attr.m4
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exec > "$output"
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cat <<EOF
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dnl Generated by $0 from $input; do not edit.
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AC_DEFUN([st_BPF_ATTR], [dnl
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AC_CHECK_MEMBERS(m4_normalize([
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EOF
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gawk -f "${0%/*}"/gen_bpf_attr_m4.awk < "$input" | sort -u
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cat <<'EOF'
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union bpf_attr.dummy
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]),,, [#include <linux/bpf.h>])
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])
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EOF
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