From cceace2ef04fef070d2569ca8fecaa578129b949 Mon Sep 17 00:00:00 2001
From: Christian Zimmermann <christian.zimmermann@ur.de>
Date: Tue, 9 May 2023 16:22:25 +0200
Subject: [PATCH] minor change in CMakeLists.txt + fix preprocessor variables
 to prevent extra semicolon error

---
 CMakeLists.txt            | 5 ++++-
 src/include/base/macros.h | 4 ++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5e9ee7..47284fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,7 +60,10 @@ endif()
 find_package(cereal QUIET)
 if(cereal_FOUND)
   message(STATUS "found cereal")
-  add_definitions(-DHAVE_CEREAL)
+  if(ENABLE_cereal)
+    message(STATUS "enable cereal")
+    add_definitions(-DHAVE_CEREAL)
+  endif()
 else()
   message(STATUS "no cereal")
   if(ENABLE_cereal)
diff --git a/src/include/base/macros.h b/src/include/base/macros.h
index 61ebcb4..297d97c 100644
--- a/src/include/base/macros.h
+++ b/src/include/base/macros.h
@@ -45,8 +45,8 @@
     template <class Archive> void save(Archive& ar, const std::uint32_t version) const; \
     template <class Archive> void load(Archive& ar, const std::uint32_t version)
 #else
-#define SERIALIZATION_FUNCTIONS
-#define SERIALIZATION_FUNCTIONS_NOPUB
+#define SERIALIZATION_FUNCTIONS static const int v = 0
+#define SERIALIZATION_FUNCTIONS_NOPUB static const int v = 0
 #endif
 
 #endif