test/test-linkage.sh

#!/bin/bash
#
# Copyright (c) 2022 Nutanix Inc. All rights reserved.
#
# Authors: John Levon <john.levon@nutanix.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
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#       used to endorse or promote products derived from this software without
#       specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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#

#
# A crappy way to check all "public" symbols are exported.
#

set -e

header="$1/include/libvfio-user.h"
libdir="$2/lib"
cc="$3"

tmpfile=$(mktemp /tmp/libvfio-user.test-linkage.XXXXXX.c)
cat >$tmpfile <<EOF
int main() {

$(egrep '^[a-z_0-9]+\(' $header | sed 's+(.*+();+;')

}
EOF

$cc -Wno-implicit-function-declaration -o /dev/null $tmpfile $libdir/libvfio-user.so

rm $tmpfile