From: Matthias Maier <tamiko@43-1.org>
Date: Thu, 4 Feb 2021 18:52:22 +0000 (-0600)
Subject: CMake: record the C++ language standard detected during configure
X-Git-Tag: v9.3.0-rc1~505^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76e2cf84ca3b25c06ea0e0bff76116f6975c2dba;p=dealii.git

CMake: record the C++ language standard detected during configure
---

diff --git a/cmake/setup_write_config.cmake b/cmake/setup_write_config.cmake
index 2dc45a1c85..1b0626d19d 100644
--- a/cmake/setup_write_config.cmake
+++ b/cmake/setup_write_config.cmake
@@ -86,6 +86,13 @@ _both(
 #                                ${CMAKE_CXX_COMPILER}
 "
   )
+IF(DEAL_II_HAVE_CXX20)
+  _both("#        C++ language standard:  C++20\n")
+ELSEIF(DEAL_II_HAVE_CXX17)
+  _both("#        C++ language standard:  C++17\n")
+ELSEIF(DEAL_II_HAVE_CXX14)
+  _both("#        C++ language standard:  C++14\n")
+ENDIF()
 
 IF(CMAKE_C_COMPILER_WORKS)
   _detailed("#        CMAKE_C_COMPILER:       ${CMAKE_C_COMPILER}\n")