369 lines
81 KiB
Plaintext
Executable file
369 lines
81 KiB
Plaintext
Executable file
#!/bin/sh
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# Prime Mover
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#
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# © 2006 David Given.
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# Prime Mover is licensed under the MIT open source license. To get the full
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# license text, run this file with the '--license' option.
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#
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# $Id: shell 13 2006-07-22 12:11:24Z dtrg $
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if [ -x "$(which arch)" ]; then
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ARCH="$(arch)"
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elif [ -x "$(which machine)" ]; then
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ARCH="$(machine)"
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elif [ -x "$(which uname)" ]; then
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ARCH="$(uname -m)"
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else
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echo "pm: unable to determine target type, proceeding anyway"
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ARCH=unknown
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fi
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THISFILE="$0"
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CC=cc
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PMEXEC="./.pm-exec-$ARCH"
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set -e
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GZFILE=/tmp/pm-$$.gz
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CFILE=/tmp/pm-$$.c
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trap "rm -f $GZFILE $CFILE" EXIT
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extract_section() {
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sed -e "1,/^XXXXSTART$1/d" "$THISFILE" | (
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read size
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dd bs=1 count=$size 2>/dev/null
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) > $GZFILE
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cat $GZFILE | zcat
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}
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# If the bootstrap's built, run it.
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if [ "$PMEXEC" -nt $0 ]; then
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extract_section script | "$PMEXEC" /dev/stdin "$@"
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exit $?
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fi
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# Otherwise, compile it and restart.
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echo "pm: bootstrapping..."
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extract_section interpreter > /tmp/pm-$$.c
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$CC $CFILE -o "$PMEXEC" && exec "$THISFILE" "$@"
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echo "pm: bootstrap failed."
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exit 1
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XXXXSTARTscript
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10363
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