message: src/CMakeLists.txt: add missing ${CMAKE_DL_LIBS}
  This fixes amalgamation build failures on all platforms with a
  separate library for `dlopen` _et al_.
diff: @@ -32,10 +32,12 @@ if(AMALGAMATION_BUILD)
  endif()
  add_library(duckdb SHARED "${PROJECT_SOURCE_DIR}/src/amalgamation/duckdb.cpp")
  + target_link_libraries(duckdb ${CMAKE_DL_LIBS})
  + link_threads(duckdb)
  +
  add_library(duckdb_static STATIC
  "${PROJECT_SOURCE_DIR}/src/amalgamation/duckdb.cpp")
  -
  - link_threads(duckdb)
  + target_link_libraries(duckdb_static ${CMAKE_DL_LIBS})
  link_threads(duckdb_static)
  install(FILES "${PROJECT_SOURCE_DIR}/src/amalgamation/duckdb.hpp"
  