[require c++20] [moved to stduuid]

cmake/librepertory.cmake

@@ -20,7 +20,3 @@ add_dependencies(librepertory
   rocksdb_project
   zlib_project
 )
-
-if (LINUX)
-  add_dependencies(librepertory libuuid_project)
-endif()

cmake/libuuid.cmake

@@ -1,20 +0,0 @@
-if (LINUX)
-  set(LIBUUID_PROJECT_NAME libuuid_${LIBUUID_VERSION})
-  set(LIBUUID_BUILD_ROOT ${EXTERNAL_BUILD_ROOT}/builds/${LIBUUID_PROJECT_NAME})
-  #URL "https://www.mirrorservice.org/sites/ftp.ossp.org/pkg/lib/uuid/uuid-${LIBUUID_VERSION}.tar.gz"
-  ExternalProject_Add(libuuid_project
-    DOWNLOAD_NO_PROGRESS 1
-    PREFIX ${LIBUUID_BUILD_ROOT}
-    URL https://src.fedoraproject.org/repo/pkgs/uuid/uuid-${LIBUUID_VERSION}.tar.gz/5db0d43a9022a6ebbbc25337ae28942f/uuid-${LIBUUID_VERSION}.tar.gz
-    BUILD_IN_SOURCE 1
-    CONFIGURE_COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/config.guess ./config.guess && 
-      cp ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/config.sub ./config.sub && 
-      CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER};./configure --disable-shared --enable-static --prefix=${EXTERNAL_BUILD_ROOT}
-    BUILD_COMMAND CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER};make
-    INSTALL_COMMAND make install
-  )
-  set(LIBUUID_LIBRARIES libuuid.a)
-
-  add_dependencies(libuuid_project zlib_project)
-endif()
-

cmake/settings.cmake

@@ -8,7 +8,7 @@ else()
 endif()
 
 set(CMAKE_COLOR_MAKEFILE OFF)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(THREADS_PREFER_PTHREAD_FLAG ON)