configure_file(${hedgewars_SOURCE_DIR}/hedgewars/proto.inc.in 

	${hedgewars_SOURCE_DIR}/hedgewars/proto.inc) 

set(fpc_tryexe fpc)

set(hwengine_project "hwengine.dpr")

set(engine_sources

	${hwengine_project}

	SDLh.pas

	uAI.pas

	uAIActions.pas

	uAIAmmoTests.pas

	uAIMisc.pas

	uAmmos.pas

	uCollisions.pas

	uConsole.pas

	uConsts.pas

	uFloat.pas

	uGame.pas

	uGears.pas

	uIO.pas

	uKeys.pas

	uLand.pas

	uLandGraphics.pas

	uLandObjects.pas

	uLandTemplates.pas

	uLocale.pas

	uMisc.pas

	uRandom.pas

	uSHA.pas

	uSound.pas

	uStore.pas

	uTeams.pas

	uWorld.pas

	CCHandlers.inc

	GSHandlers.inc

	HHHandlers.inc

	SinTable.inc

	options.inc

	playlist.inc

	proto.inc

	tunsetborder.inc

	)

find_program(fpc_executable ${fpc_tryexe})

if (fpc_executable)

	 exec_program(${fpc_executable} ARGS "-h" OUTPUT_VARIABLE fpc_output)

endif (fpc_executable)

set (noexecstack_flags "-k-z" "-knoexecstack")

FILE(WRITE ${EXECUTABLE_OUTPUT_PATH}/checkstack.pas "begin end.")

EXEC_PROGRAM(${fpc_executable} ${EXECUTABLE_OUTPUT_PATH}

		ARGS ${noexecstack_flags} checkstack.pas

		OUTPUT_VARIABLE noout

		RETURN_VALUE testnoexecstack)

if (${testnoexecstack})

set (noexecstack_flags "")

endif (${testnoexecstack})

string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" fpc_version "${fpc_output}")

if (fpc_version)

	string(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" fpc_vers_major "${fpc_version}")

	string(REGEX REPLACE "[0-9]+\\.([0-9])+\\.[0-9]+" "\\1" fpc_vers_minor "${fpc_version}")

	string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" fpc_vers_patch "${fpc_version}")

	math(EXPR fpc_ver "${fpc_vers_major}*10000 + ${fpc_vers_minor}*100 + ${fpc_vers_patch}")

	if (fpc_ver LESS "010904")

		message("Minimum required version of FreePascal is 1.9.4")

	else (fpc_ver LESS "010904")

		set(pascal_compiler ${fpc_executable})

		set(pascal_compiler_flags ${noexecstack_flags} "-B" "-FE../bin" "-Cs2000000" "-vwi" "-O2" ${hwengine_project})

	endif (fpc_ver LESS "010904")

endif (fpc_version)

if (NOT pascal_compiler)

	message(FATAL_ERROR "No Pascal compiler found!")

endif (NOT pascal_compiler)

add_custom_command(OUTPUT "${EXECUTABLE_OUTPUT_PATH}/hwengine${CMAKE_EXECUTABLE_SUFFIX}"

                  COMMAND "${pascal_compiler}" 

                  ARGS ${pascal_compiler_flags}

                  MAIN_DEPENDENCY ${hwengine_project}

                  DEPENDS ${engine_sources}

                  )

add_custom_target(hwengine ALL DEPENDS "${EXECUTABLE_OUTPUT_PATH}/hwengine${CMAKE_EXECUTABLE_SUFFIX}")

install(PROGRAMS "${EXECUTABLE_OUTPUT_PATH}/hwengine${CMAKE_EXECUTABLE_SUFFIX}" DESTINATION bin)