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set(compile_resource__internal_dir ${CMAKE_CURRENT_LIST_DIR} CACHE INTERNAL "")
find_program(XXD_EXECUTABLE xxd)
if(NOT XXD_EXECUTABLE)
find_program(PERL_EXECUTABLE perl)
if(NOT PERL_EXECUTABLE)
message(FATAL_ERROR "Neither xxd nor perl found in PATH. xxd is usually contained in your distributions vim-common package!")
else()
message("-- xxd not found, using xxdi.pl instead")
set(XXD_EXECUTABLE "${compile_resource__internal_dir}/xxdi.pl")
set(XXD_PARAMS "")
endif()
else()
set(XXD_PARAMS -i)
endif()
find_program(SED_EXECUTABLE sed)
if(NOT SED_EXECUTABLE)
message(FATAL_ERROR "sed not found in path!")
endif()
function(compile_resource INPUT_FILE OUTPUT_FILE)
get_filename_component(INPUT_FILE_NAME ${PROJECT_SOURCE_DIR}/data/${INPUT_FILE} NAME)
set(OUTPUT_FILE ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h PARENT_SCOPE)
add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h
COMMAND mkdir -p ${PROJECT_BINARY_DIR}/generated
COMMAND ${XXD_EXECUTABLE} ${XXD_PARAMS} ${INPUT_FILE} > ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h
COMMAND ${SED_EXECUTABLE} 's!unsigned char!static const unsigned char!' < ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h > ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h.tmp
COMMAND mv -f ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h.tmp ${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/data/
DEPENDS ${PROJECT_SOURCE_DIR}/data/${INPUT_FILE})
set_source_files_properties(${PROJECT_BINARY_DIR}/generated/${INPUT_FILE_NAME}.h PROPERTIES GENERATED TRUE)
endfunction()
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