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- #! /bin/sh
-
- # Install an aclocal-style M4 file. A script is needed to do this
- # because we want to do serial-number checking; newer versions of
- # macro files should always be preferred.
-
- # Usage:
- # acinstall file directory installprogram [install-args]...
-
- file="$1"
- dir="$2"
- shift
- shift
-
- localserial="`grep '^# serial' $file | sed -e 's/^# serial //g'`"
- if test -z "$localserial"; then
- echo "acinstall: no serial number in $file" 1>&2
- exit 1
- fi
-
- # Maybe if the installed file has no serial number we should just
- # assume it is ancient.
- instserial="`grep '^# serial ' $dir/$file | sed -e 's/^# serial //g'`"
- if test -z "$instserial"; then
- echo "acinstall: no serial number in $dir/$file" 1>&2
- exit 1
- fi
-
- if test $localserial -lt $instserial; then
- # Installed file is newer.
- exit 0
- fi
-
- # Install the file.
- $* $file $dir/$file
-