use find_dependency

cmake/GinkgoConfig.cmake.in

@@ -147,60 +147,59 @@ set(THREADS_PREFER_PTHREAD_FLAG ON)
 # NOTE: we do not export benchmarks, examples, tests or devel tools
 #     so `third_party` libraries are currently unneeded.
 
+include(CMakeFindDependencyMacro)
 if(GINKGO_HAVE_PAPI_SDE)
-    find_package(PAPI REQUIRED COMPONENTS sde)
+    find_dependency(PAPI 7.0.1.0 COMPONENTS sde)
 endif()
 
 if(GINKGO_HAVE_HWLOC)
-    find_package(HWLOC REQUIRED)
+    find_dependency(HWLOC)
 endif()
 
 # Check for MPI if it is enabled
 if(GINKGO_BUILD_MPI)
-    find_package(MPI 3.1 COMPONENTS CXX REQUIRED)
+    find_dependency(MPI 3.1 COMPONENTS CXX)
 endif()
 
 # HIP and OpenMP depend on Threads::Threads in some circumstances, but don't find it
 if (GINKGO_BUILD_HIP OR GINKGO_BUILD_OMP)
-    find_package(Threads REQUIRED)
+    find_dependency(Threads)
 endif()
 
 # Needed because of a known issue with CUDA while linking statically.
 # For details, see https://gitlab.kitware.com/cmake/cmake/issues/18614
 if((NOT GINKGO_BUILD_SHARED_LIBS) AND GINKGO_BUILD_CUDA)
     enable_language(CUDA)
-    find_package(CUDAToolkit REQUIRED)
-    find_package(NVTX REQUIRED)
+    find_dependency(CUDAToolkit)
+    find_dependency(NVTX)
 endif()
 
 if((NOT GINKGO_BUILD_SHARED_LIBS) AND GINKGO_BUILD_HIP)
-    find_package(HIP REQUIRED)
-    find_package(hipblas REQUIRED)
-    find_package(hipfft) # optional
-    find_package(hiprand REQUIRED)
-    find_package(hipsparse REQUIRED)
-    find_package(rocrand REQUIRED)
-    set(ROCTRACER_PATH "@ROCTRACER_PATH@")
-    if(GINKGO_HAVE_ROCTX)
-        find_package(ROCTX REQUIRED)
-    endif()
+    find_dependency(HIP)
+    find_dependency(hipblas)
+    find_dependency(hipfft)
+    find_dependency(hiprand)
+    find_dependency(hipsparse)
+    find_dependency(rocrand)
+    set_and_check(ROCTRACER_PATH "@ROCTRACER_PATH@")
+    find_dependency(ROCTX)
 endif()
 
 if((NOT GINKGO_BUILD_SHARED_LIBS) AND GINKGO_BUILD_SYCL)
-    find_package(MKL CONFIG REQUIRED HINTS "${GINKGO_MKL_ROOT}")
-    find_package(oneDPL REQUIRED HINTS "${GINKGO_DPL_ROOT}")
+    find_dependency(MKL CONFIG HINTS "${GINKGO_MKL_ROOT}")
+    find_dependency(oneDPL HINTS "${GINKGO_DPL_ROOT}")
 endif()
 
 if(GINKGO_HAVE_VTUNE)
-    find_package(VTune REQUIRED)
+    find_dependency(VTune)
 endif()
 
 if((NOT GINKGO_BUILD_SHARED_LIBS) AND GINKGO_HAVE_METIS)
-    find_package(METIS REQUIRED)
+    find_dependency(METIS)
 endif()
 
 if((NOT GINKGO_BUILD_SHARED_LIBS) AND GINKGO_HAVE_TAU)
-    find_package(PerfStubs REQUIRED)
+    find_dependency(PerfStubs)
 endif()
 
 # Check that the same compilers as for Ginkgo are used