-DWITH_LZ4=system doesn't find the lz4 library on the fb-mysql-8.0.28 branch

[mdcallag]

I don't expect this to be fixed, but it might help others (including my future self).

This change to cmake/lz4.cmake is needed so that -DWITH_LZ4=system works It is only required on the fb-mysql-8.0.28 branch

diff --git a/cmake/lz4.cmake b/cmake/lz4.cmake index 24fce84fd3e..f7512ae088e 100644 --- a/cmake/lz4.cmake +++ b/cmake/lz4.cmake @@ -51,7 +51,7 @@ MACRO (FIND_SYSTEM_LZ4) FIND_LIBRARY(LZ4_SYSTEM_LIBRARY NAMES lz4) IF (LZ4_INCLUDE_DIR AND LZ4_SYSTEM_LIBRARY)

• CHECK_LZ4_VERSION(${PATH_TO_LZ4})
• CHECK_LZ4_VERSION(${LZ4_INCLUDE_DIR}) SET(SYSTEM_LZ4_FOUND 1) SET(LZ4_LIBRARY ${LZ4_SYSTEM_LIBRARY}) ENDIF()