Multi-Architecture helper scripts

architectures

#!/bin/sh

function architectures() {
  if $(lipo -info $1 | grep -q 'not a fat file'); then
    lipo -info $1 | awk -F ': ' '/Non-fat file/ { print $3 }'
  else
    lipo -detailed_info $1 | awk '/^architecture / { print $2 }'
  fi
}

if [[ $(basename $0) == 'architectures' ]]; then
  architectures $1
fi

has-symbol

#!/bin/sh

source $(dirname "$0")/architectures

usage() {
  [ $# -eq 0 ] || echo "$*" >&2
cat <<EOF >&2
usage: $0 [options] <files_or_directories>...
options:
    -s=<symbol>  Symbol to look for
    -b           Check for bitcode
    -h           Help

EOF
  exit 1
}

OPT_HELP=
OPT_SYMBOL=
OPT_BITCODE=
while getopts "hbs:" opt; do
  case $opt in
    h) OPT_HELP=1 ;;
    b) OPT_BITCODE=1 ;;
    s) OPT_SYMBOL=$OPTARG ;;
    \?) usage "Invalid option: -$opt" ;;
    :) usage "Option -$opt requires an argument." ;;
  esac
done
shift $((OPTIND-1))

[[ $OPT_HELP ]] && usage

if [[ -n $OPT_SYMBOL ]]; then
  for file in "$@"; do
    if [[ $# > 1 ]]; then
      echo $file
    fi
    
    archs=$(architectures "$file")
    if [[ $(echo $archs | wc -w) -eq 1 ]]; then
      nm "$file" | grep -q $OPT_SYMBOL && echo "\$archs\tYES" || echo "$archs\tNO"
    else
      for arch in $archs; do
        nm -arch $arch "$file" | grep -q $OPT_SYMBOL && echo "$arch\tYES" || echo "$arch\tNO"
      done
    fi
  done
elif [[ $OPT_BITCODE ]]; then
  for file in "$@"; do
    if [[ $# > 1 ]]; then
      echo $file
    fi
    
    archs=$(architectures "$file")
    if [[ $(echo $archs | wc -w) -eq 1 ]]; then
      otool -l "$file" | grep -q __LLVM && echo "\$archs\tYES" || echo "$archs\tNO"
    else
      for arch in $archs; do
        otool -arch $arch -l "$file" | grep -q __LLVM && echo "$arch\tYES" || echo "$arch\tNO"
      done
    fi
  done
else
  usage "You must specify either the -b or -s arguments"
fi

split-architectures

#!/bin/sh

source $(dirname "$0")/architectures

archs=$(architectures $1)
if [[ $(echo $archs | wc -w) -eq 1 ]]; then
  echo "Only a single architecture: $archs"
else
  for arch in $archs; do
    lipo -extract $arch $1 -output $1-$arch;
  done
fi