message: Add --core-only and --with-asan configure options
diff: @@ -73,6 +73,8 @@ Usage: $0 [OPTION]... [VAR=VALUE]...
  --no-io build without I/O module
  --no-python build without python binding
  --no-summary do not print configuration before building
  + --core-only sets no-examples, no-opencl, no-openssl,
  + no-tools, no-python, and no-io
  Testing:
  --with-asio use ASIO multiplexer in unit tests
  @@ -86,6 +88,7 @@ Usage: $0 [OPTION]... [VAR=VALUE]...
  - DEBUG
  - TRACE
  --with-address-sanitizer build with address sanitizer if available
  + --with-asan alias for --with-address-sanitier
  --with-gcov build with gcov coverage enabled
  Influential Environment Variables (only on first invocation):
  @@ -242,6 +245,9 @@ while [ $# -ne 0 ]; do
  --with-address-sanitizer)
  append_cache_entry CAF_ENABLE_ADDRESS_SANITIZER BOOL yes
  ;;
  + --with-asan)
  + append_cache_entry CAF_ENABLE_ADDRESS_SANITIZER BOOL yes
  + ;;
  --with-gcov)
  append_cache_entry CAF_ENABLE_GCOV BOOL yes
  ;;
  @@ -397,6 +403,14 @@ while [ $# -ne 0 ]; do
  --no-summary)
  append_cache_entry CAF_NO_SUMMARY BOOL yes
  ;;
  + --core-only)
  + append_cache_entry CAF_NO_TOOLS BOOL yes
  + append_cache_entry CAF_NO_IO BOOL yes
  + append_cache_entry CAF_NO_PYTHON BOOL yes
  + append_cache_entry CAF_NO_EXAMPLES BOOL yes
  + append_cache_entry CAF_NO_OPENCL BOOL yes
  + append_cache_entry CAF_NO_OPENSSL BOOL yes
  + ;;
  *)
  echo "Invalid option '$1'. Try $0 --help to see available options."
  exit 1
  