#!/bin/sh

: ${prefix:=/usr/local}
: ${includedir:=$prefix/include}
: ${libdir:=$prefix/lib}
: ${DESTDIR:=}

HEADER=BlocksRuntime/Block.h
LIB=libBlocksRuntime.a

docmd()
{
  echo "$*"
  if [ -z "$dryrun" ]; then eval "$*"; fi
}

if ! myid="$(id -u)"; then
  echo "Cannot run id, aborting!"
  exit 1
fi
if [ ! -r $HEADER ]; then
  echo "Cannot find $HEADER, aborting!"
  exit 1
fi
if [ ! -r $LIB ]; then
  echo "Cannot find $LIB, did you run buildlib or buildlib-osx?"
  exit 1
fi
dryrun=
if [ "$1" = '-n' ] || [ "$1" = '--dry-run' ]; then
  dryrun=1
  shift
fi
if [ "$#" != 0 ]; then
  echo "Usage: [prefix=prefixdir] $0 [-n | --dry-run]"
  exit 1
fi

if [ -n "$DESTDIR" ]; then
echo "Destination Root(\$DESTDIR):     $DESTDIR (default is \"\")"
fi
echo "Install Prefix(\$prefix):        $prefix (default is /usr/local)"
echo "Include Directory(\$includedir): $includedir (default is \$prefix/include)"
echo "Library Directory(\$libdir):     $libdir (default is \$prefix/lib)"
echo "(use prefix=prefixdir $0 [or similar] to change)"
echo ''

if [ -z "$DESTDIR" -a -z "$dryrun" -a "$myid" != 0 ]; then
  echo "Must be root to install, use sudo $0"
  echo "(Or try using the --dry-run option)"
  exit 1
fi
docmd "install -d "$DESTDIR"$includedir "$DESTDIR"$libdir"
docmd "install -m 644 $HEADER "$DESTDIR"$includedir/"
docmd "install -m 644 $LIB "$DESTDIR"$libdir/"
