remove deprecated cmake statement

Sofa/framework/Helper/CMakeLists.txt

@@ -216,11 +216,6 @@ add_library(${PROJECT_NAME} SHARED ${HEADER_FILES} ${SOURCE_FILES})
 if((CMAKE_SYSTEM_NAME STREQUAL Windows) AND SOFA_USE_DEPENDENCY_PACK)
     target_include_directories(${PROJECT_NAME} SYSTEM PUBLIC "$<INSTALL_INTERFACE:include/extlibs/WinDepPack>")
 endif()
-# The default binary suffix for libraries/plugins is "_d" when using a debug build.
-# since this is configuration specific it is a bit more convenient to put it as a debug compile definition for
-# PluginManager.cpp, at the expense of being much less visible compare to having it in the generated
-# SofaFramework/config.h
-set_property(SOURCE ${SRC_ROOT}/system/PluginManager.cpp APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG "SOFA_LIBSUFFIX=_d" )
 
 # DEPENDENCY LINKS AND INCLUDE DIRS
 target_link_libraries(${PROJECT_NAME} PUBLIC Sofa.Config )

Sofa/framework/Helper/src/sofa/helper/system/PluginManager.cpp

@@ -51,6 +51,37 @@ constexpr std::string_view GetSofaBuildConfigurationString()
     return SOFA_BUILD_CONFIGURATION_STR;
 }
 
+enum class SofaBuildConfiguration
+{
+    Release,
+    RelWithDebInfo,
+    Debug,
+    MinSizeRel,
+    NonStandard
+};
+
+constexpr SofaBuildConfiguration GetSofaBuildConfiguration()
+{
+    if constexpr (GetSofaBuildConfigurationString() == "Release")
+    {
+        return SofaBuildConfiguration::Release;
+    }
+    if constexpr (GetSofaBuildConfigurationString() == "RelWithDebInfo")
+    {
+        return SofaBuildConfiguration::RelWithDebInfo;
+    }
+    if constexpr (GetSofaBuildConfigurationString() == "Debug")
+    {
+        return SofaBuildConfiguration::Debug;
+    }
+    if constexpr (GetSofaBuildConfigurationString() == "MinSizeRel")
+    {
+        return SofaBuildConfiguration::MinSizeRel;
+    }
+
+    return SofaBuildConfiguration::NonStandard;
+}
+
 namespace sofa::helper::system
 {
 
@@ -157,11 +188,14 @@ void PluginManager::writeToIniFile(const std::string& path)
 /// (depends on platform, version, debug/release build)
 std::string PluginManager::getDefaultSuffix()
 {
-#ifdef SOFA_LIBSUFFIX
-    return sofa_tostring(SOFA_LIBSUFFIX);
-#else
-    return std::string();
-#endif
+    if constexpr(GetSofaBuildConfiguration() == SofaBuildConfiguration::Debug)
+    {
+        return "_d";
+    }
+    else
+    {
+        return "";
+    }
 }
 
 PluginManager::PluginLoadStatus PluginManager::loadPluginByPath(const std::string& pluginPath, std::ostream* errlog)