message: add compile option for RTLD_NEXT
diff: @@ -85,6 +85,9 @@ add_library(
  target_compile_definitions(duckdb_jemalloc PRIVATE -DJEMALLOC_NO_PRIVATE_NAMESPACE)
  +# Need to include this so that RTLD_NEXT is defined
  +target_compile_options(duckdb_jemalloc PRIVATE -D_GNU_SOURCE)
  +
  target_include_directories(duckdb_jemalloc PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/${JEMALLOC_INCLUDE_PREFIX}>)
  