File: extract-config-opts

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#! /bin/sh

# This is a trivial script to parse comments in debian/control
# into a set of system-specific configure options.
# Usage:  ./debian/extract-config-opts $OS-$ARCH debian/control

sed -n 's/^# \?--/--/p' $2 | \
while read f p x; do
  [ -n "$p" ] || p="*"
  eval "case \$1 in ($p) echo \$f;; esac"
done