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| # Creates C resources file from specified files | |
| # Based on http://stackoverflow.com/a/27206982 | |
| function(embed_binary_files_now output binary_files) | |
| # Create empty output file | |
| file(WRITE ${output} "") | |
| # Iterate through input files | |
| foreach(bin ${binary_files}) | |
| # Get short filename | |
| string(REGEX MATCH "([^/]+)$" filename ${bin}) | |
| # Replace filename spaces & extension separator for C compatibility | |
| string(REGEX REPLACE "\\.| " "_" filename ${filename}) | |
| # Read hex data from file | |
| file(READ ${bin} filedata HEX) | |
| # Convert hex data for C compatibility | |
| string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," filedata ${filedata}) | |
| # Append data to output file | |
| file(APPEND ${output} "extern const unsigned char ${filename}[] = {${filedata}};\nextern const unsigned ${filename}_size = sizeof(${filename});\n") | |
| endforeach() | |
| endfunction() | |
| # Sets up rule for embedding files when they are newer than the output file (or it doesn't exist yet) | |
| function(embed_binary_files_rule output binary_files) | |
| add_custom_command( | |
| OUTPUT ${output} | |
| DEPENDS ${binary_files} | |
| COMMAND | |
| ${CMAKE_COMMAND} -DINPUT_BINARY_FILES=${binary_files} | |
| -DOUTPUT_SRC_FILE=${output} | |
| -P ${PROJECT_SOURCE_DIR}/cmake/EmbedBinaryFiles.cmake | |
| COMMENT "Embedding ${binary_files} into ${output}" | |
| ) | |
| endfunction() | |
| if(CMAKE_SCRIPT_MODE_FILE AND NOT CMAKE_PARENT_LIST_FILE) | |
| # Running in script mode as part of build-time procedure to actually to the embedding | |
| embed_binary_files_now(${OUTPUT_SRC_FILE} ${INPUT_BINARY_FILES} ) | |
| endif() |