This probably fixes bug #839 - mine time was hardcoded to 3000 in Attack, instead of using the "0 as undefined" input that other places were using. When
re653e96b0ec3 started paying attention to the input parameter, this previously ignored value became a problem.
# 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}"
-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()