Cleanup libabacus dependency interfaces

Author: Growl1234

cmake/modules/FindMKL.cmake

@@ -241,30 +241,28 @@ if(MKL_FOUND)
   set(_mkl_base_archives ${MKL_INTERFACE_LIB} ${MKL_THREAD} ${MKL_CORE})
   _mkl_link_group(_mkl_base ${_mkl_base_archives})
 
-  add_library(abacus_mkl INTERFACE)
-  add_library(abacus::mkl ALIAS abacus_mkl)
+  add_library(abacus::mkl INTERFACE IMPORTED GLOBAL)
   target_include_directories(
-    abacus_mkl
+    abacus::mkl
     INTERFACE
       "${MKL_INCLUDE}"
       "${MKL_FFTW_INCLUDE}")
-  target_link_libraries(abacus_mkl INTERFACE ${_mkl_base} ${_mkl_runtime})
+  target_link_libraries(abacus::mkl INTERFACE ${_mkl_base} ${_mkl_runtime})
 
   if(ENABLE_MPI)
-    add_library(abacus_mkl_scalapack INTERFACE)
-    add_library(abacus::mkl_scalapack ALIAS abacus_mkl_scalapack)
+    add_library(abacus::mkl_scalapack INTERFACE IMPORTED GLOBAL)
     target_include_directories(
-      abacus_mkl_scalapack
+      abacus::mkl_scalapack
       INTERFACE
         "${MKL_INCLUDE}"
         "${MKL_FFTW_INCLUDE}")
     if(_mkl_all_static AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
       _mkl_link_group(_mkl_cluster ${MKL_SCALAPACK} ${MKL_BLACS} ${_mkl_base_archives})
       target_link_libraries(
-        abacus_mkl_scalapack INTERFACE ${_mkl_cluster} MPI::MPI_CXX ${_mkl_runtime})
+        abacus::mkl_scalapack INTERFACE ${_mkl_cluster} MPI::MPI_CXX ${_mkl_runtime})
     else()
       target_link_libraries(
-        abacus_mkl_scalapack INTERFACE
+        abacus::mkl_scalapack INTERFACE
           ${MKL_SCALAPACK} ${MKL_BLACS} abacus::mkl MPI::MPI_CXX)
     endif()
     set(MKL_LIBRARIES abacus::mkl_scalapack)

source/CMakeLists.txt

@@ -136,6 +136,21 @@ add_library(abacus::feature_libs ALIAS abacus_feature_libs)
 add_library(abacus_link_libs INTERFACE)
 add_library(abacus::link_libs ALIAS abacus_link_libs)
 
+set_target_properties(abacus_linalg_libs PROPERTIES EXPORT_NAME linalg_libs)
+set_target_properties(abacus_feature_libs PROPERTIES EXPORT_NAME feature_libs)
+set_target_properties(abacus_link_libs PROPERTIES EXPORT_NAME link_libs)
+
+if(ENABLE_MLALGO OR DEFINED Torch_DIR)
+  # TorchConfig.cmake exposes its complete link closure through
+  # TORCH_LIBRARIES rather than a stable namespaced target. Keep that
+  # provider-specific representation behind an imported adapter so the
+  # installed ABACUS package can recreate it after find_dependency(Torch).
+  add_library(abacus::torch INTERFACE IMPORTED GLOBAL)
+  target_link_libraries(abacus::torch INTERFACE ${TORCH_LIBRARIES})
+  target_include_directories(abacus::torch INTERFACE ${TORCH_INCLUDE_DIRS})
+  target_compile_options(abacus::torch INTERFACE ${ABACUS_TORCH_CXX_FLAGS})
+endif()
+
 target_link_libraries(abacus_link_libs INTERFACE
   abacus::feature_libs
   abacus::linalg_libs)
@@ -211,7 +226,8 @@ if(NOT MSVC)
 endif()
 
 target_link_libraries(abacus_linalg_libs INTERFACE ${_abacus_linalg_libs})
-target_include_directories(abacus_linalg_libs INTERFACE ${_abacus_linalg_include_dirs})
+target_include_directories(abacus_linalg_libs INTERFACE
+  "$<BUILD_INTERFACE:${_abacus_linalg_include_dirs}>")
 
 target_include_directories(abacus_compile_requirements INTERFACE
   ${_abacus_linalg_include_dirs})
@@ -263,8 +279,7 @@ if(ENABLE_MLALGO)
 endif()
 
 if(ENABLE_MLALGO OR DEFINED Torch_DIR)
-  list(APPEND _abacus_feature_include_dirs ${TORCH_INCLUDE_DIRS})
-  list(APPEND _abacus_feature_compile_options ${ABACUS_TORCH_CXX_FLAGS})
+  list(APPEND _abacus_feature_libs abacus::torch)
 endif()
 
 if(ENABLE_CNPY)
@@ -311,10 +326,13 @@ if(USE_DSP)
 endif()
 
 if(USE_CUDA)
-  if(CUDAToolkit_VERSION VERSION_GREATER_EQUAL 12.9)
-    list(APPEND _abacus_feature_libs cudart)
-  else()
-    list(APPEND _abacus_feature_libs cudart nvToolsExt)
+  list(APPEND _abacus_feature_libs
+    CUDA::cudart
+    CUDA::cublas
+    CUDA::cusolver
+    CUDA::cufft)
+  if(CUDAToolkit_VERSION VERSION_LESS 12.9)
+    list(APPEND _abacus_feature_libs CUDA::nvToolsExt)
   endif()
   list(APPEND _abacus_feature_include_dirs ${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES})
   if(CUDAToolkit_VERSION VERSION_GREATER_EQUAL 13.0
@@ -372,12 +390,18 @@ foreach(_abacus_feature_target IN ITEMS
     DeePMD::deepmd_cc
     NEP::nep
     TensorFlow::tensorflow_cc
+    abacus::torch
     ZLIB::ZLIB
     PEXSI::PEXSI
     NCCL::NCCL
     CAL::CAL
     cusolverMp::cusolverMp
     cublasMp::cublasMp
+    CUDA::cudart
+    CUDA::cublas
+    CUDA::cusolver
+    CUDA::cufft
+    CUDA::nvToolsExt
     hip::host
     hip::device
     hip::hipfft
@@ -617,7 +641,10 @@ endif()
 add_library(device OBJECT ${device_srcs})
 
 if(USE_CUDA)
-  target_link_libraries(device PRIVATE cusolver cublas cufft)
+  target_link_libraries(device PRIVATE
+    CUDA::cusolver
+    CUDA::cublas
+    CUDA::cufft)
 elseif(USE_ROCM)
   target_link_libraries(device PRIVATE
     device_rocm
@@ -710,11 +737,6 @@ target_link_libraries(abacus PRIVATE
   "$<BUILD_INTERFACE:${_abacus_internal_targets}>"
   abacus::link_libs)
 
-# Torch includes some LAPACK routines, but with floating-point exceptions.
-if(ENABLE_MLALGO OR DEFINED Torch_DIR)
-  target_link_libraries(abacus PRIVATE
-    "$<BUILD_INTERFACE:${TORCH_LIBRARIES}>")
-endif()
 
 target_link_libraries(
   ${ABACUS_BIN_NAME}