Locate SDL_net library
This module defines:
SDL_NET_LIBRARIES, the name of the library to link against SDL_NET_INCLUDE_DIRS, where to find the headers SDL_NET_FOUND, if false, do not try to link against SDL_NET_VERSION_STRING - human-readable string containing the version of SDL_net
For backward compatibility the following variables are also set:
SDLNET_LIBRARY (same value as SDL_NET_LIBRARIES) SDLNET_INCLUDE_DIR (same value as SDL_NET_INCLUDE_DIRS) SDLNET_FOUND (same value as SDL_NET_FOUND)
$SDLDIR is an environment variable that would correspond to the ./configure –prefix=$SDLDIR used in building SDL.
Created by Eric Wing. This was influenced by the FindSDL.cmake module, but with modifications to recognize OS X frameworks and additional Unix paths (FreeBSD, etc).
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