From b9fc47d1fe3ba9de6550a1a552f214ca5d24a01d Mon Sep 17 00:00:00 2001
From: Derek Christ <derek.christ@uni-wuerzburg.de>
Date: Thu, 13 Feb 2025 11:14:55 +0100
Subject: [PATCH] When project is top-level, force C++17

---
 CMakeLists.txt                   | 3 +++
 src/configuration/CMakeLists.txt | 1 +
 2 files changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fabf4b1a..b3039c0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,6 +50,9 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 include(enable_extensions)
 
 if (PROJECT_IS_TOP_LEVEL)
+    set(CMAKE_CXX_STANDARD 17)
+    set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
     set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
     set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
     set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
diff --git a/src/configuration/CMakeLists.txt b/src/configuration/CMakeLists.txt
index 164f6ba7..a0530342 100644
--- a/src/configuration/CMakeLists.txt
+++ b/src/configuration/CMakeLists.txt
@@ -55,4 +55,5 @@ target_compile_definitions(configuration
         DRAMSYS_RESOURCE_DIR="${DRAMSYS_RESOURCE_DIR}"
 )
 
+target_compile_features(configuration PUBLIC cxx_std_17)
 add_library(DRAMSys::config ALIAS configuration)