- Add elf_aux_info() support for OpenBSD
  https://github.com/facebook/rocksdb/pull/12967

https://jira.mariadb.org/browse/MDEV-29875

Index: storage/rocksdb/CMakeLists.txt
--- storage/rocksdb/CMakeLists.txt.orig
+++ storage/rocksdb/CMakeLists.txt
@@ -38,6 +38,11 @@ IF(HAVE_AUXV_GETAUXVAL)
   ADD_DEFINITIONS(-DROCKSDB_AUXV_GETAUXVAL_PRESENT)
 ENDIF()
 
+CHECK_FUNCTION_EXISTS(elf_aux_info  HAVE_AUXV_ELF_AUX_INFO)
+if(HAVE_AUXV_ELF_AUX_INFO)
+  ADD_DEFINITIONS(-DROCKSDB_AUXV_ELF_AUX_INFO_PRESENT)
+endif()
+
 IF(WITH_VALGRIND)
   ADD_DEFINITIONS(-DROCKSDB_VALGRIND_RUN=1)
 ENDIF()
