1 files changed, 23 insertions, 0 deletions
diff --git a/cmake/script/GenerateHeaderFromRaw.cmake b/cmake/script/GenerateHeaderFromRaw.cmake
new file mode 100644
index 0000000000..638876ecea
--- /dev/null
+++ b/cmake/script/GenerateHeaderFromRaw.cmake
@@ -0,0 +1,23 @@
+# Copyright (c) 2023-present The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or https://opensource.org/license/mit/.
+
+cmake_path(GET RAW_SOURCE_PATH STEM raw_source_basename)
+
+file(READ ${RAW_SOURCE_PATH} hex_content HEX)
+string(REGEX REPLACE "................" "\\0\n" formatted_bytes "${hex_content}")
+string(REGEX REPLACE "[^\n][^\n]" "std::byte{0x\\0}, " formatted_bytes "${formatted_bytes}")
+
+set(header_content
+"#include <cstddef>
+#include <span>
+
+namespace ${RAW_NAMESPACE} {
+inline constexpr std::byte detail_${raw_source_basename}_raw[] {
+${formatted_bytes}
+};
+
+inline constexpr std::span ${raw_source_basename}{detail_${raw_source_basename}_raw};
+}
+")
+file(WRITE ${HEADER_PATH} "${header_content}")