From 4e337373b4cf1173a4b12b6e067e099a62e1cf15 Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Mon, 13 Mar 2023 22:34:13 +0100
Subject: [PATCH] :green_heart: add more compiler versions

---
 .github/workflows/macos.yml  | 2 +-
 .github/workflows/ubuntu.yml | 4 ++--
 cmake/ci.cmake               | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index b2cb429ab..9ac1fe3fa 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -55,7 +55,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        standard: [11, 14, 17, 20]
+        standard: [11, 14, 17, 20, 23]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index a53506305..ece65bf6e 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -178,7 +178,7 @@ jobs:
     container: ghcr.io/nlohmann/json-ci:v2.4.0
     strategy:
       matrix:
-        standard: [11, 14, 17, 20]
+        standard: [11, 14, 17, 20, 23]
     steps:
       - uses: actions/checkout@v3
       - name: Run CMake
@@ -191,7 +191,7 @@ jobs:
     container: silkeh/clang:dev
     strategy:
       matrix:
-        standard: [11, 14, 17, 20]
+        standard: [11, 14, 17, 20, 23]
     steps:
       - name: Install git and unzip
         run: apt-get update ; apt-get install -y git unzip
diff --git a/cmake/ci.cmake b/cmake/ci.cmake
index 1d575c0ff..bbb2d4cb9 100644
--- a/cmake/ci.cmake
+++ b/cmake/ci.cmake
@@ -439,7 +439,7 @@ add_custom_target(ci_test_clang
 # Different C++ Standards.
 ###############################################################################
 
-foreach(CXX_STANDARD 11 14 17 20)
+foreach(CXX_STANDARD 11 14 17 20 23)
     add_custom_target(ci_test_gcc_cxx${CXX_STANDARD}
         COMMAND CXX=${GCC_TOOL} CXXFLAGS="${GCC_CXXFLAGS}" ${CMAKE_COMMAND}
             -DCMAKE_BUILD_TYPE=Debug -GNinja
@@ -900,7 +900,7 @@ add_custom_target(ci_cmake_flags
 # Use more installed compilers.
 ###############################################################################
 
-foreach(COMPILER g++-4.8 g++-4.9 g++-5 g++-6 g++-7 g++-8 g++-9 g++-10 g++-11 clang++-3.5 clang++-3.6 clang++-3.7 clang++-3.8 clang++-3.9 clang++-4.0 clang++-5.0 clang++-6.0 clang++-7 clang++-8 clang++-9 clang++-10 clang++-11 clang++-12 clang++-13 clang++-14 clang++-15 clang++-16)
+foreach(COMPILER g++-4.8 g++-4.9 g++-5 g++-6 g++-7 g++-8 g++-9 g++-10 g++-11 clang++-3.5 clang++-3.6 clang++-3.7 clang++-3.8 clang++-3.9 clang++-4.0 clang++-5.0 clang++-6.0 clang++-7 clang++-8 clang++-9 clang++-10 clang++-11 clang++-12 clang++-13 clang++-14 clang++-15 clang++-16 clang++-17)
     find_program(COMPILER_TOOL NAMES ${COMPILER})
     if (COMPILER_TOOL)
         unset(ADDITIONAL_FLAGS)