# Generates HorizontBuildInfo.h with the current wall-clock timestamp.
# Run at build time (not configure time) so every build stamps a fresh date.

set(output "${GENERATED_DIR}/HorizontBuildInfo.h")

execute_process(
    COMMAND date "+%Y-%m-%d__%H-%M-%S"
    OUTPUT_VARIABLE timestamp
    OUTPUT_STRIP_TRAILING_WHITESPACE)

file(WRITE "${output}"
    "#pragma once\n"
    "#define HORIZONT_BUILD_TIMESTAMP \"${timestamp}\"\n")