diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e290b53e..a03780332 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -462,13 +462,15 @@ if(BUILD_TESTING)
   endif()
 endif()
 
-if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
-  add_subdirectory(blas)
-  add_subdirectory(lapack)
-else()
-  add_subdirectory(blas EXCLUDE_FROM_ALL)
-  add_subdirectory(lapack EXCLUDE_FROM_ALL)
-endif()
+if (NOT CMAKE_CROSSCOMPILING)
+  if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
+    add_subdirectory(blas)
+    add_subdirectory(lapack)
+  else()
+    add_subdirectory(blas EXCLUDE_FROM_ALL)
+    add_subdirectory(lapack EXCLUDE_FROM_ALL)
+  endif()
+endif(CMAKE_CROSSCOMPILING)
 
 # add SYCL
 option(EIGEN_TEST_SYCL "Add Sycl support." OFF)
diff --git a/blas/CMakeLists.txt b/blas/CMakeLists.txt
index 351b43a9d..a71ecc946 100644
--- a/blas/CMakeLists.txt
+++ b/blas/CMakeLists.txt
@@ -4,10 +4,9 @@ project(EigenBlas CXX)
 include("../cmake/language_support.cmake")
 
 workaround_9220(Fortran EIGEN_Fortran_COMPILER_WORKS)
-
 if(EIGEN_Fortran_COMPILER_WORKS)
   enable_language(Fortran OPTIONAL)
-  if(CMAKE_CROSSCOMPILING OR NOT CMAKE_Fortran_COMPILER)
+  if(NOT CMAKE_Fortran_COMPILER)
     set(EIGEN_Fortran_COMPILER_WORKS OFF)
   endif()
 endif()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 81d79f949..e3ce600c3 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -287,36 +287,38 @@ ei_add_test(fastmath " ${EIGEN_FASTMATH_FLAGS} ")
 
 # # ei_add_test(denseLM)
 
-if(QT4_FOUND)
-  ei_add_test(qtvector "" "${QT_QTCORE_LIBRARY}")
-endif(QT4_FOUND)
+if (NOT CMAKE_CROSSCOMPILING)
+  if(QT4_FOUND)
+    ei_add_test(qtvector "" "${QT_QTCORE_LIBRARY}")
+  endif(QT4_FOUND)
 
-if(UMFPACK_FOUND)
-  ei_add_test(umfpack_support "" "${UMFPACK_ALL_LIBS}")
-endif()
+  if(UMFPACK_FOUND)
+    ei_add_test(umfpack_support "" "${UMFPACK_ALL_LIBS}")
+  endif()
 
-if(SUPERLU_FOUND)
-  ei_add_test(superlu_support "" "${SUPERLU_ALL_LIBS}")
-endif()
+  if(SUPERLU_FOUND)
+    ei_add_test(superlu_support "" "${SUPERLU_ALL_LIBS}")
+  endif()
 
-if(CHOLMOD_FOUND)
-  ei_add_test(cholmod_support "" "${CHOLMOD_ALL_LIBS}")
-endif()
+  if(CHOLMOD_FOUND)
+    ei_add_test(cholmod_support "" "${CHOLMOD_ALL_LIBS}")
+  endif()
 
-if(PARDISO_FOUND)
-  ei_add_test(pardiso_support "" "${PARDISO_ALL_LIBS}")
-endif()
+  if(PARDISO_FOUND)
+    ei_add_test(pardiso_support "" "${PARDISO_ALL_LIBS}")
+  endif()
 
-if(PASTIX_FOUND AND (SCOTCH_FOUND OR METIS_FOUND))
-  ei_add_test(pastix_support "" "${PASTIX_ALL_LIBS}")
-endif()
+  if(PASTIX_FOUND AND (SCOTCH_FOUND OR METIS_FOUND))
+    ei_add_test(pastix_support "" "${PASTIX_ALL_LIBS}")
+  endif()
 
-if(SPQR_FOUND AND CHOLMOD_FOUND)
-  ei_add_test(spqr_support "" "${SPQR_ALL_LIBS}")
-endif()
+  if(SPQR_FOUND AND CHOLMOD_FOUND AND EIGEN_TEST_CXX11)
+    ei_add_test(spqr_support "" "${SPQR_ALL_LIBS}")
+  endif()
 
-if(METIS_FOUND)
-ei_add_test(metis_support "" "${METIS_LIBRARIES}")
+  if(METIS_FOUND)
+  ei_add_test(metis_support "" "${METIS_LIBRARIES}")
+  endif()
 endif()
 
 string(TOLOWER "${CMAKE_CXX_COMPILER}" cmake_cxx_compiler_tolower)
diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt
index 17f9f61bc..c3c68f3ab 100644
--- a/unsupported/test/CMakeLists.txt
+++ b/unsupported/test/CMakeLists.txt
@@ -79,34 +79,36 @@ endif()
 
 ei_add_test(sparse_extra   "" "")
 
-find_package(FFTW)
-if(FFTW_FOUND)
-  ei_add_property(EIGEN_TESTED_BACKENDS "fftw, ")
-  include_directories( ${FFTW_INCLUDES} )
-  if(FFTWL_LIB)
-    ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT -DEIGEN_HAS_FFTWL" "${FFTW_LIBRARIES}" )
+if (NOT CMAKE_CROSSCOMPILING)
+  find_package(FFTW)
+  if(FFTW_FOUND)
+    ei_add_property(EIGEN_TESTED_BACKENDS "fftw, ")
+    include_directories( ${FFTW_INCLUDES} )
+    if(FFTWL_LIB)
+      ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT -DEIGEN_HAS_FFTWL" "${FFTW_LIBRARIES}" )
+    else()
+      ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT" "${FFTW_LIBRARIES}" )
+    endif()
   else()
-    ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT" "${FFTW_LIBRARIES}" )
+    ei_add_property(EIGEN_MISSING_BACKENDS "fftw, ")
   endif()
-else()
-  ei_add_property(EIGEN_MISSING_BACKENDS "fftw, ")
-endif()
 
-option(EIGEN_TEST_NO_OPENGL "Disable OpenGL support in unit tests" OFF)
-if(NOT EIGEN_TEST_NO_OPENGL)
-  find_package(OpenGL)
-  find_package(GLUT)
-  find_package(GLEW)
-  if(OPENGL_FOUND AND GLUT_FOUND AND GLEW_FOUND)
-    include_directories(${OPENGL_INCLUDE_DIR} ${GLUT_INCLUDE_DIR} ${GLEW_INCLUDE_DIRS})
-    ei_add_property(EIGEN_TESTED_BACKENDS "OpenGL, ")
-    set(EIGEN_GL_LIB ${GLUT_LIBRARIES} ${GLEW_LIBRARIES} ${OPENGL_LIBRARIES})
-    ei_add_test(openglsupport  "" "${EIGEN_GL_LIB}" )
+  option(EIGEN_TEST_NO_OPENGL "Disable OpenGL support in unit tests" OFF)
+  if(NOT EIGEN_TEST_NO_OPENGL)
+    find_package(OpenGL)
+    find_package(GLUT)
+    find_package(GLEW)
+    if(OPENGL_FOUND AND GLUT_FOUND AND GLEW_FOUND)
+      include_directories(${OPENGL_INCLUDE_DIR} ${GLUT_INCLUDE_DIR} ${GLEW_INCLUDE_DIRS})
+      ei_add_property(EIGEN_TESTED_BACKENDS "OpenGL, ")
+      set(EIGEN_GL_LIB ${GLUT_LIBRARIES} ${GLEW_LIBRARIES} ${OPENGL_LIBRARIES})
+      ei_add_test(openglsupport  "" "${EIGEN_GL_LIB}" )
+    else()
+      ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
+    endif()
   else()
-    ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
+      ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
   endif()
-else()
-    ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
 endif()
 
 ei_add_test(polynomialsolver)