diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf3d4d0..d8ece51 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,8 @@ if( (NOT GISMO_BUILD_LIB) )
   endif()
 endif()
 
+add_custom_target(${PROJECT_NAME})
+
 # add filedata folder
 add_definitions(-DSTRAN_DATA_DIR="${CMAKE_CURRENT_SOURCE_DIR}/filedata/")
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e19b014..4867234 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -50,6 +50,8 @@ FOREACH(subdir ${SUBDIRS})
     add_dependencies(${GM_NAME} mpfr)
   endif()
 
+  add_dependencies(${GM_NAME} ${PROJECT_NAME})
+
   ## Add extra instances (template instantiations)
   # NOTE: The static/non templated part of the library is
   # compiled above only for GISMO_COEFF_TYPE
diff --git a/src/gsEigenSolvers/gsBucklingSolver.h b/src/gsEigenSolvers/gsBucklingSolver.h
index c1a2082..99d7e89 100644
--- a/src/gsEigenSolvers/gsBucklingSolver.h
+++ b/src/gsEigenSolvers/gsBucklingSolver.h
@@ -57,7 +57,7 @@ class gsBucklingSolver : public gsEigenProblemBase<T>
     m_scaling(scaling)
     {
         m_A = linear;
-        m_dnonlinear = [this](gsVector<T> const & x, gsVector<T> const & dx, gsSparseMatrix<T> & m) -> bool
+        m_dnonlinear = [this](gsVector<T> const & x, gsVector<T> const & /*dx*/, gsSparseMatrix<T> & m) -> bool
         {
             return m_nonlinear(x,m);
         };