Add documentation in CMakeLists.txt for BOOTSTRAP_LPCNET.

CMakeLists.txt

@@ -130,7 +130,9 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_VERBOSE_MAKEFILE TRUE CACHE BOOL "Verbose makefile.")
 set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE CACHE BOOL "Enable IDE features.")
 set(USE_INTERNAL_CODEC2 FALSE CACHE BOOL
- "Download and build codec2 and lpcnetfreedv instead of using the system library.")
+ "Download and build codec2 instead of using the system library.")
+set(BOOTSTRAP_LPCNET FALSE CACHE BOOL
+ "Download and build LPCNet instead of using the system library.")
 set(USE_STATIC_DEPS FALSE CACHE BOOL
  "Download and build static libraries instead of system libraries.")
 set(USE_STATIC_PORTAUDIO FALSE CACHE BOOL
@@ -254,7 +256,7 @@ if(MINGW)
  # shared DLL doesn't work.
  set(USE_STATIC_PORTAUDIO TRUE)
  unset(USE_INTERNAL_CODEC2 CACHE)
- set(USE_INTERNAL_CODEC2 TRUE CACHE BOOL "Perform nternal buils of codec2 and lpcnetfreedv")
+ set(USE_INTERNAL_CODEC2 TRUE CACHE BOOL "Perform internal builds of codec2")
  # Setup HOST variables.
  include(cmake/MinGW.cmake)
  # This sets up the exe icon for windows under mingw.