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#!/bin/sh
# version 20241109
scriptname="`basename $0`"
if [ x"${CC}" = x ]; then
echo "usage: env CC=<compiler> ${scriptname} -l<library> -l<library> ..."
echo '$CC not set'
exit 1
fi
if [ x"$1" = x ]; then
echo "usage: env CC=<compiler> ${scriptname} -l<library> -l<library> ..."
echo 'missing -l<library> argument'
exit 1
fi
# temporary
name="${scriptname}"
tryname="${name}.tmp.C"
binname="${tryname}.tmp.bin"
logname="${tryname}.tmp.log"
cleanup() {
ex=$?
rm -f "${binname}" "${tryname}" "${logname}"
exit "${ex}"
}
trap "cleanup" EXIT TERM INT
cat <<EOF > "${tryname}"
int main(int argc, char **argv) {
(void) argc;
(void) argv;
return 0;
}
EOF
while true; do
[ x"$1" = x ] && break
"${CC}" -O0 -o "${binname}" "${tryname}" "$1" 1>"${logname}" 2>&1
if [ $? -eq 0 ]; then
echo "${scriptname}: '$1' detected" >&2
echo "$1"
else
echo "${scriptname}: '$1' not detected" >&2
cat "${logname}" >&2
fi
shift
done
exit 0
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