mirror of
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47 lines
2.0 KiB
CMake
47 lines
2.0 KiB
CMake
function(make_object out_var)
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set(result)
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set(result_h)
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foreach(in_f ${ARGN})
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file(RELATIVE_PATH out_f ${CMAKE_CURRENT_SOURCE_DIR} "${CMAKE_CURRENT_SOURCE_DIR}/${in_f}")
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set(out_h "${CMAKE_CURRENT_BINARY_DIR}/${out_f}.h")
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set(out_f "${out_f}.o")
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string(REGEX REPLACE "[/.-]" "_" sym_in "${in_f}")
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add_custom_command(OUTPUT ${out_f}
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COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/${in_f} ${out_f}.tmp
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COMMAND dd if=/dev/zero bs=1 count=1 of=${out_f}.tmp oflag=append conv=notrunc status=none
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COMMAND ${CMAKE_LINKER} -r -b binary -o ${out_f} ${out_f}.tmp
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COMMAND ${CMAKE_OBJCOPY} --rename-section .data=.rodata,CONTENTS,ALLOC,LOAD,READONLY,DATA ${out_f} ${out_f}
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COMMAND ${CMAKE_OBJCOPY} --redefine-sym _binary_${sym_in}_o_tmp_start=b_${sym_in} ${out_f} ${out_f}
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COMMAND ${CMAKE_OBJCOPY} --redefine-sym _binary_${sym_in}_o_tmp_end=b_${sym_in}_end ${out_f} ${out_f}
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COMMAND ${CMAKE_OBJCOPY} --redefine-sym _binary_${sym_in}_o_tmp_size=b_${sym_in}_size ${out_f} ${out_f}
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COMMAND ${CMAKE_OBJCOPY} --strip-symbol _binary_${sym_in}_size ${out_f} ${out_f}
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DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${in_f}"
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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COMMENT "Creating object from ${in_f}"
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VERBATIM
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)
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file(WRITE ${out_h} "extern const char b_${sym_in}[];\n")
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file(APPEND ${out_h} "extern const char b_${sym_in}_end[];\n")
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file(APPEND ${out_h} "#define b_${sym_in}_size (b_${sym_in}_end - b_${sym_in})\n")
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get_filename_component(h_dir ${out_h} DIRECTORY)
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list(APPEND result_h ${h_dir})
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list(APPEND result ${out_f})
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endforeach()
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list(REMOVE_DUPLICATES result_h)
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set(${out_var}_OBJS "${result}" PARENT_SCOPE)
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set(${out_var}_INCS "${result_h}" PARENT_SCOPE)
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endfunction()
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function(make_defines in_file out_file)
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file(RELATIVE_PATH rel_f ${CMAKE_CURRENT_SOURCE_DIR} "${in_file}")
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add_custom_command(OUTPUT ${out_file}
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COMMAND grep "^#define" "${in_file}" > "${out_file}"
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DEPENDS ${in_file}
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COMMENT "Creating #defines from ${rel_f}"
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)
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endfunction()
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