Fix doxygen generation

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7277cdf..f7504e5 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,7 @@ if(DOXYGEN_FOUND)
    set(DOXY_CONFIG "${DOXY_DIR}/Doxyfile.in")
 
    # Copy doxy.config.in
+   set(top_srcdir ${CMAKE_SOURCE_DIR})
    configure_file("${DOXY_CONFIG}" "${CMAKE_BINARY_DIR}/doxy.config")
 
    # Create doc directory