cosmopolitan/bin/fatcosmoar
2023-08-14 20:12:51 -07:00

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#!/bin/sh
PROG=${0##*/}
MODE=${MODE:-$m}
COSMO=${COSMO:-/opt/cosmo}
fatal_error() {
echo "$PROG: $1" >&2
exit 1
}
if [ ! -x "$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-ar" ]; then
fatal_error "you need to run: fatcosmocc --update"
fi
AR_X86_64="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-ar"
AR_AARCH64="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-ar"
if [ "$1" = "--version" ]; then
# note: only the underlying gnu compiler binaries are gpl
# our shell script is released with the isc license
cat <<EOF
$PROG (GNU Binutils) 2.38
Copyright (C) 2022 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) any later version.
This program has absolutely no warranty.
EOF
exit 0
elif [ "$1" = "--help" ]; then
"$AR_X86_64" --help |
sed "s!$AR_X86_64!$PROG!g" 2>/dev/null ||
"$AR_X86_64" --help
exit
fi
FIRST=1
STATE=0
OUTPUT_X86_64=
OUTPUT_AARCH64=
INPUTS=
for x; do
if [ $FIRST -eq 1 ]; then
set --
FIRST=0
fi
if [ $STATE -eq 0 ]; then
if [ x"$x" != x"${x#--*}" ]; then # startswith(x, "--")
set -- "$@" "$x" # this is a flag
else
set -- "$@" "$x" # command argument, e.g. rcu, rcsD
STATE=1
fi
elif [ $STATE -eq 1 ]; then
OUTPUT_X86_64=$x
STATE=2
elif [ x"$x" != x"${x#* }" ]; then
fatal_error "input arguments containing spaces unsupported"
elif [ x"$x" != x"${x#@}" ]; then
fatal_error "input argument @file not supported yet"
elif [ -z "$INPUTS" ]; then
INPUTS=$x
else
INPUTS="$INPUTS $x"
fi
done
if [ -z "$OUTPUT_X86_64" ]; then
fatal_error "missing output path"
fi
mangle_object_path() {
path=$1
arch=$2
outdir=${path%/*}
outbas=${path##*/}
if [ x"$outdir" = x"$path" ]; then
outdir=
elif [ -n "$outdir" ]; then
outdir="$outdir/"
fi
if [ ! -d "$outdir.$arch" ]; then
mkdir -p "$outdir.$arch" || Exit
fi
mangled_path="${outdir}.$arch/$outbas"
}
OBJECTS_X86_64=
OBJECTS_AARCH64=
for x in $INPUTS; do
if [ ! -f "$x" ]; then
fatal_error "$x: no such file"
fi
mangle_object_path "$x" aarch64
if [ ! -f "$mangled_path" ]; then
fatal_error "$x: missing concomitant $mangled_path file"
fi
OBJECTS_X86_64="${OBJECTS_X86_64} $x"
OBJECTS_AARCH64="${OBJECTS_AARCH64} $mangled_path"
done
mangle_object_path "$OUTPUT_X86_64" aarch64
OUTPUT_AARCH64="$mangled_path"
"$AR_X86_64" "$@" "$OUTPUT_X86_64" $OBJECTS_X86_64 &
pid1=$!
"$AR_AARCH64" "$@" "$OUTPUT_AARCH64" $OBJECTS_AARCH64 &
pid2=$!
if ! wait $pid1; then
kill $pid2 2>/dev/null
wait
exit 1
fi
wait $pid2 || exit