Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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#!/bin/sh
# Do a makedepend, only leave out the standard headers
# Written by Ben Laurie <ben@algroup.co.uk> 19 Jan 1999
TOP=$1
shift
if [ "$1" = "-MD" ]; then
shift
MAKEDEPEND=$1
shift
fi
if [ "$MAKEDEPEND" = "" ]; then MAKEDEPEND=makedepend; fi
cp Makefile Makefile.save
# fake the presence of Kerberos
touch $TOP/krb5.h
if expr "$MAKEDEPEND" : '.*gcc$' > /dev/null; then
args=""
while [ $# -gt 0 ]; do
if [ "$1" != "--" ]; then args="$args $1"; fi
shift
done
sed -e '/^# DO NOT DELETE.*/,$d' < Makefile > Makefile.tmp
echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' >> Makefile.tmp
${MAKEDEPEND} -Werror -D OPENSSL_DOING_MAKEDEPEND -M $args >> Makefile.tmp || exit 1
${PERL} $TOP/util/clean-depend.pl < Makefile.tmp > Makefile.new
RC=$?
rm -f Makefile.tmp
else
${MAKEDEPEND} -D OPENSSL_DOING_MAKEDEPEND $@ && \
${PERL} $TOP/util/clean-depend.pl < Makefile > Makefile.new
RC=$?
fi
mv Makefile.new Makefile
# unfake the presence of Kerberos
rm $TOP/krb5.h
exit $RC