From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 11 Jan 2024 23:15:39 +0000 (-0700)
Subject: Export C++23 status to config.h.
X-Git-Tag: relicensing~174^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F16459%2Fhead;p=dealii.git

Export C++23 status to config.h.
---

diff --git a/cmake/checks/check_01_cxx_features.cmake b/cmake/checks/check_01_cxx_features.cmake
index e15dd2b217..509f11e2ac 100644
--- a/cmake/checks/check_01_cxx_features.cmake
+++ b/cmake/checks/check_01_cxx_features.cmake
@@ -20,6 +20,7 @@
 #
 #   DEAL_II_HAVE_CXX17
 #   DEAL_II_HAVE_CXX20
+#   DEAL_II_HAVE_CXX23
 #
 #   DEAL_II_HAVE_FP_EXCEPTIONS
 #   DEAL_II_HAVE_COMPLEX_OPERATOR_OVERLOADS
diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index ed1deb8ebf..9ca48428da 100644
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -153,6 +153,7 @@
 #cmakedefine DEAL_II_HAVE_CXX14
 #cmakedefine DEAL_II_HAVE_CXX17
 #cmakedefine DEAL_II_HAVE_CXX20
+#cmakedefine DEAL_II_HAVE_CXX23
 
 /**
  * If we have C++20 available, we can have concepts and requires