diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 3895fdb..a183836 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -182,7 +182,10 @@ if(${PROJECT_NAME}_MAKE_INSTALL)
     target_include_directories(libmarkdown INTERFACE
       $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
     )
-    set(_TARGETS libmarkdown markdown)
+    set(_TARGETS libmarkdown)
+    if(NOT ${PROJECT_NAME}_ONLY_LIBRARY)
+        set(_TARGETS ${_TARGETS} markdown)
+    endif()
     if(${PROJECT_NAME}_INSTALL_SAMPLES)
         list(APPEND _TARGETS mkd2html makepage)
     endif()
diff --git a/cmake/config.h.in b/cmake/config.h.in
index e08220d..e630934 100644
--- a/cmake/config.h.in
+++ b/cmake/config.h.in
@@ -74,4 +74,6 @@
 
 #define TABSTOP @TABSTOP@
 
+#define DESTRUCTOR
+
 #endif /* _CONFIG_D */