trying to eliminate that annoying impact sound for gears that are well under the water and not even exiting it. sheepluva might want to look this over since this is modifying his code and should perhaps be part of the addSplashForGear checks, but hadn't had much luck getting him to examine it past year or so
# Based on CheckLibraryExists.cmake from CMake
#=============================================================================
# Copyright 2002-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
macro(CHECK_HASKELL_MODULE_EXISTS MODULE FUNCTION PARAMCOUNT LIBRARY)
set(VARIABLE "HS_MODULE_${LIBRARY}_${FUNCTION}")
if(${VARIABLE} MATCHES ^${VARIABLE}$)
message(STATUS "Looking for ${FUNCTION} in ${MODULE}")
set(PARAMETERS "")
if(PARAMCOUNT GREATER 0)
foreach(__TRASH__ RANGE 1 ${PARAMCOUNT})
set(PARAMETERS "${PARAMETERS} undefined")
endforeach()
endif()
#set(PARAMETERS "")
execute_process(COMMAND ${GHC_EXECUTABLE}
"-DMODULE=${MODULE}"
"-DFUNCTION=${FUNCTION}"
"-DPARAMETERS=${PARAMETERS}"
-hide-all-packages
-package ${LIBRARY}
-package base
-cpp
-c "${CMAKE_MODULE_PATH}/checkModule.hs"
RESULT_VARIABLE COMMAND_RESULT
ERROR_VARIABLE BUILD_ERROR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${COMMAND_RESULT} EQUAL 0)
message(STATUS "Looking for ${FUNCTION} in ${MODULE} - found")
set(${VARIABLE} 1 CACHE INTERNAL "Have module ${MODULE}")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the function ${FUNCTION} exists in the ${MODULE} passed\n\n")
else()
message(STATUS "Looking for ${FUNCTION} in ${MODULE} - not found")
set(${VARIABLE} "" CACHE INTERNAL "Have module ${MODULE}")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the function ${FUNCTION} exists in the ${MODULE} "
"failed with the following output:\n"
"${BUILD_ERROR}\n\n")
message(FATAL_ERROR "Haskell library '${LIBRARY}' required")
endif()
endif()
endmacro()