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#[[
vcpkg overloads find_package().
mysql-connector-cpp overloads find_dependency().
To force a strict order of desired effects and to prevent undesired effects,
without heavy patching:
1. All pristine find_package() must be done here first.
This is with pristine vcpkg toolchain find_package()/find_dependency().
2. After that, find_package is overloaded to prevent loading of CMakeFindDependenyMacro.
3. mysql-connector-cpp installs and uses its custom find_dependency().
#]]
set(THREADS_PREFER_PTHREAD_FLAG 1)
find_package(Threads)
find_package(OpenSSL REQUIRED)
find_package(Protobuf CONFIG REQUIRED)
#add_library(ext::protobuf ALIAS protobuf::libprotobuf)
add_library(ext::protobuf-lite ALIAS protobuf::libprotobuf-lite)
if(NOT TARGET ext::protoc)
add_executable(ext::protoc IMPORTED)
set_target_properties(ext::protoc PROPERTIES IMPORTED_LOCATION "${WITH_PROTOC}")
endif()
find_package(RapidJSON CONFIG REQUIRED)
add_library(RapidJSON::rapidjson ALIAS RapidJSON)
find_package(ZLIB REQUIRED)
add_library(ext::z ALIAS ZLIB::ZLIB)
find_package(lz4 REQUIRED)
add_library(ext::lz4 ALIAS lz4::lz4)
find_package(zstd REQUIRED)
add_library(ext::zstd ALIAS zstd::libzstd)
if(WITH_JDBC)
find_package(unofficial-libmysql REQUIRED)
find_path(errmsg_include_dir NAMES errmsg.h PATH_SUFFIXES mysql)
set_property(TARGET unofficial::libmysql::libmysql APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${errmsg_include_dir}")
add_library(MySQL::client ALIAS unofficial::libmysql::libmysql)
file(READ "${errmsg_include_dir}/mysql_version.h" version_h)
if(NOT version_h MATCHES "#define +MYSQL_SERVER_VERSION +\"([^\"]+)\"")
message(FATAL_ERROR "Failed to detect libmysql version")
endif()
set(MYSQL_VERSION "${CMAKE_MATCH_1}")
if(NOT version_h MATCHES "#define +MYSQL_VERSION_ID +([0-9]+)")
message(FATAL_ERROR "Failed to detect libmysql version ID")
endif()
set(MYSQL_NUM_VERSION "${CMAKE_MATCH_1}")
endif()
set(known_packages Threads OpenSSL Protobuf RapidJSON ZLIB lz4 zstd unofficial-libmysql)
cmake_policy(SET CMP0057 NEW)
macro(find_package NAME)
if(NOT "${NAME}" IN_LIST known_packages)
message(SEND_ERROR "find_package(${NAME}) not handled in ${CMAKE_CURRENT_LIST_FILE}")
endif()
endmacro()
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