# must define SRC DST CLASS file(READ ${SRC} source_data) # replace string(TOUPPER ${CLASS} CLASS_UPPER) string(TOLOWER ${CLASS} CLASS_LOWER) string(REGEX REPLACE "LAYER_${CLASS_UPPER}_X86_H" "LAYER_${CLASS_UPPER}_X86_AVX512_H" source_data "${source_data}") string(REGEX REPLACE "${CLASS}_x86" "${CLASS}_x86_avx512" source_data "${source_data}") string(REGEX REPLACE "#include \"${CLASS_LOWER}_x86.h\"" "#include \"${CLASS_LOWER}_x86_avx512.h\"" source_data "${source_data}") file(WRITE ${DST} "${source_data}")