diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b99a7722..c4e51b747 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,8 @@ include(CMakePackageConfigHelpers)
 #######
 option(BUILD_WITHOUT_LAPACK "Do not build LAPACK and LAPACKE (Only BLAS or CBLAS)" OFF)
 
+option(BUILD_TESTING "Build LAPACK testsuite when building LAPACK" ON)
+
 option(BUILD_WITHOUT_CBLAS "Do not build the C interface (CBLAS) to the BLAS functions" OFF)
 
 option(DYNAMIC_ARCH "Include support for multiple CPU targets, with automatic selection at runtime (x86/x86_64, aarch64 or ppc only)" OFF)
@@ -311,7 +313,9 @@ if (NOT NOFORTRAN)
   if(NOT NO_CBLAS)
     add_subdirectory(ctest)
   endif()
-  add_subdirectory(lapack-netlib/TESTING)
+  if (BUILD_TESTING)
+    add_subdirectory(lapack-netlib/TESTING)
+  endif()
   if (CPP_THREAD_SAFETY_TEST OR CPP_THREAD_SAFETY_GEMV)
     add_subdirectory(cpp_thread_test)
   endif()
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 10d639a4a..1545d56db 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -115,7 +115,7 @@ jobs:
       mkdir build 
       cd build
       call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-      cmake -G "Ninja" -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_Fortran_COMPILER=flang -DCMAKE_MT=mt -DCMAKE_BUILD_TYPE=Release -DMSVC_STATIC_CRT=ON ..
+      cmake -G "Ninja" -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_Fortran_COMPILER=flang -DBUILD_TESTING=OFF -DCMAKE_MT=mt -DCMAKE_BUILD_TYPE=Release -DMSVC_STATIC_CRT=ON ..
       cmake --build . --config Release
       ctest