Google Code-in: Hide "video record" keybind option
Removes the recording keybinding option using preprocessor conditions when it is unavailable. This includes when Hedgewars is being built either with the recording feature explicitly disabled or when FFMPEG/LibAV were not found.
https://google-melange.appspot.com/gci/task/view/google/gci2012/7948213
FIND_PATH(GMP_INCLUDE_DIR gmp.h)
FIND_LIBRARY(GMP_LIBRARY NAMES GMP gmp)
IF (GMP_INCLUDE_DIR AND GMP_LIBRARY)
SET(GMP_FOUND TRUE)
ENDIF (GMP_INCLUDE_DIR AND GMP_LIBRARY)
IF (GMP_FOUND)
IF (NOT GMP_FIND_QUIETLY)
MESSAGE(STATUS "Found GMP: ${GMP_LIBRARY}")
ENDIF (NOT GMP_FIND_QUIETLY)
ELSE (GMP_FOUND)
IF (GMP_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find GMP")
ENDIF (GMP_FIND_REQUIRED)
ENDIF (GMP_FOUND)