linuxptp/snmpflg.sh

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#!/bin/sh
#
# Discover the SNMP CFLAGS to use during compilation.
#
# Copyright (C) 2018 Anders Selhammer <anders.selhammer@est.tech>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Look for libsnmp presence. When cross compiling, the user will
# specify the include path in EXTRA_CFLAGS.
#
snmp_flags()
{
# Get list of directories searched for header files.
dirs=$(echo "" | ${CROSS_COMPILE}cpp ${EXTRA_CFLAGS} -Wp,-v 2>&1 >/dev/null | grep ^" /")
# Look for libsnmp presence
for d in $dirs; do
files=$(find $d -type f -name net-snmp-agent-includes.h)
for f in $files; do
if grep -q NET_SNMP_AGENT_INCLUDES_H $f; then
printf " -DHAVE_NET_SNMP `net-snmp-config --cflags`"
break 2
fi
done
done
}
echo "$(snmp_flags)"