find_package(FLEX REQUIRED)
FLEX_TARGET(GMT_hfScanner ${moddir}/gmt_filter_headfoot.l ${CMAKE_CURRENT_BINARY_DIR}/gmt_filter_headfoot.cpp COMPILE_FLAGS "--header-file=${CMAKE_CURRENT_BINARY_DIR}/gmt_filter_headfoot.h")
set_property(DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES gmt_filter_headfoot.h)
include_directories(${CMAKE_CURRENT_BINARY_DIR})

find_package(GMT REQUIRED)
set(MODULE_ADDITIONAL_SOURCES ${FLEX_GMT_hfScanner_OUTPUTS})
set(MODULE_ADDITIONAL_INCLUDES ${GMT_INCLUDE_DIR})
set(MODULE_ADDITIONAL_LIBRARIES ${GMT_LIBRARIES})