configure

#!/usr/bin/env bash

# Note: This script is provided as a convenience wrapper to CMake, which
# is the build tool used for configuring this project. Please do not make
# any substantive changes only in this script or in the top-level
# GNUmakefile, as the normal process of building Couchbase server uses
# only CMake.

usage() {
cat <<EOF
\`$0' configures ns_server to adapt to many kinds of systems.

Usage: $0 [OPTION]...

Configuration:
  -h, --help              display this help and exit

Installation directories:
  --prefix=PREFIX         install files in PREFIX (required)
  --couchdb-src-dir=PATH  path to couchdb source directory (../couchdb)
  --couchdb-bin-dir=PATH  path to couchdb build directory (../build/couchdb)

EOF
}

prefix=
couchdb_src_dir=../couchdb
couchdb_bin_dir=../build/couchdb

for config_arg do
  case "$config_arg" in
      --help|-h)
          usage
          exit 0
          ;;
      --prefix=/*)
          prefix=${config_arg##--prefix=}
          ;;
      --prefix=*)
          echo "--prefix needs to be absolute path"
          exit 1
          ;;
      --couchdb-src-dir=*)
          couchdb_src_dir=${config_arg##--couchdb-src-dir=}
          ;;
      --couchdb-bin-dir=*)
          couchdb_bin_dir=${config_arg##--couchdb-bin-dir=}
          ;;
      *)
          echo "Unknown option: ${config_arg}"
          exit 1
          ;;
  esac
done

if test -z "$prefix" ; then
    usage
    echo "Error: --prefix option is required"
    exit 1
fi

if test '!' -f "$couchdb_src_dir/src/couchdb/couch_db.hrl"; then
    echo "could not find couch_db.hrl in given couchdb-src path: $couchdb_src_dir"
    exit 1
fi


# Patch up relative couchdb_src_dir, since cmake executes in a subdirectory
couchdb_src_dir=`cmake -D "dir=${couchdb_src_dir}" -P cmake_modules/abspath.cmake`
couchdb_bin_dir=`cmake -D "dir=${couchdb_bin_dir}" -P cmake_modules/abspath.cmake`

mkdir -p build
cd build
cmake -D "COUCHDB_SRC_DIR=${couchdb_src_dir}" \
    -D "COUCHDB_BIN_DIR=${couchdb_bin_dir}" -D "CMAKE_INSTALL_PREFIX=${prefix}" ..

if test $? = 0; then
    echo
    echo "ns_server is configured and is ready to be built!"
    echo "PREFIX: ${prefix}"
    echo "couchdb-src-dir: ${couchdb_src_dir}"
    echo "couchdb-bin-dir: ${couchdb_bin_dir}"
    echo
fi