tor/scripts/build/combine_libs

#!/bin/sh

set -e

TMPDIR="$(mktemp -d -t tor_lib_combining.XXXXXX)"
ORIGDIR="$(pwd)"

trap 'cd "$ORIGDIR" && rm -rf "$TMPDIR"' 0

abspath() {
          echo "$(cd "$(dirname "$1")">/dev/null && pwd)/$(basename "$1")"
}

TARGET=$(abspath "$1")

#echo ORIGDIR="$ORIGDIR"
#echo AR="$AR"
#echo ARFLAGS="$AFLAGS"

shift

for input in "$@"; do
    cd "$ORIGDIR"
    abs=$(abspath "$input")
    dir="$TMPDIR"/$(basename "$input" .a)
    mkdir "$dir"
    cd "$dir">/dev/null
    "${AR:-ar}" x "$abs"
done

cd "$TMPDIR" >/dev/null
#echo "${AR:-ar}" "${ARFLAGS:-cru}" library.tmp.a ./*/**
"${AR:-ar}" "${ARFLAGS:-cru}" library.tmp.a ./*/**
"${RANLIB:-ranlib}" library.tmp.a
mv -f library.tmp.a "$TARGET"