mdbx: support for building by GCC 4.8

Change-Id: I4ad5c5be60233ae68936e0cbca1a0f01ec786bad
This commit is contained in:
Leonid Yuriev
2020-09-13 19:50:53 +03:00
parent 1bc49f680d
commit 17d9ed31f9
6 changed files with 28 additions and 8 deletions

View File

@@ -773,7 +773,7 @@ if(CMAKE_CXX_COMPILER_LOADED)
# determine library for for std::filesystem
set(LIBCXX_FILESYSTEM "")
if(CMAKE_COMPILER_IS_GNUCXX)
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
set(LIBCXX_FILESYSTEM "stdc++fs")
endif()
elseif(CMAKE_COMPILER_IS_CLANG)