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#! /bin/sh
# First, test normal config.
if ! make -s; then
echo Normal config failed.
exit 1
fi
# Now, remove one HAVE_ at a time.
cp config.h original-config.h
trap "mv original-config.h config.h && rm -f .newconfig" EXIT
while grep -q '1$' config.h; do
tr '\012' @ < config.h | sed 's/1@/0@/' | tr @ '\012' > .newconfig
diff -u config.h .newconfig
mv .newconfig config.h
if ! make -s; then
echo Failed config:
cat config.h
exit 1
fi
done
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