51 lines
1.3 KiB
Text
51 lines
1.3 KiB
Text
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. ./redoconf.rc
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# replace the placeholder for this function with
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# one that will save help messages for later.
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HELP="configure.help.new"
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rm -f "$HELP"
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echo '# Automatically generated by redoconf/_all.rc.od - do not edit' >"$HELP"
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helpmsg() {
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printf '%-11s %s\n' "$1" "$2" >>"$HELP"
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rc_hook "$1"
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}
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# Remember initial set of keys provided by ./configure
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orig_keys=""
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rc_hook() {
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contains_line "$orig_keys" "$1" || orig_keys="$orig_keys$NL$1"
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}
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# Include the rest of the necessary .rc files
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keys=""
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rc_hook() {
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contains_line "$new_keys" "$1" || new_keys="$new_keys$NL$1"
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}
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allrc=
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if [ -e "$S/all.rc.od" ]; then
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allrc=all.rc
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else
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allrc=
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redo-ifcreate "$S/all.rc.od"
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fi
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rc_include rc/_init.rc rc/CC.rc rc/zdefs.rc $allrc
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rc_helpmsg PREFIX "Change installation prefix (usually /usr/local)"
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IFS="$NL"
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unused=
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for d in $orig_keys; do
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if ! contains_line "$new_keys" "$d"; then
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unused=1
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xecho "Error: '$d' was given to ./configure but not used." >&2
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fi
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done
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[ -z "$unused" ] || exit 1
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rc_save
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# Now that all the rc files have run, update $S/configure.help with the
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# newly-generated help text, so it's available to new users.
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# Even if multiple output dirs are building at once, this replaces the
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# file atomically, so it should be safe.
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mv "$HELP" "$S/configure.help"
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