CMake: Simplify ABACUS executable naming logic

Author: Growl1234

CMakeLists.txt

@@ -184,63 +184,30 @@ if(COMMIT_INFO)
   endif()
 endif()
 
-# Different exe files of ABACUS
-unset(ABACUS_BIN_NAME CACHE)
+# Determine the ABACUS executable name.
+if(NOT ENABLE_LCAO)
+  set(_abacus_bin_feature "pw")
+elseif(ENABLE_LIBRI AND ENABLE_MLALGO)
+  set(_abacus_bin_feature "max")
+elseif(ENABLE_LIBRI)
+  set(_abacus_bin_feature "std")
+elseif(ENABLE_MLALGO)
+  set(_abacus_bin_feature "ml")
+else()
+  set(_abacus_bin_feature "basic")
+endif()
 
-# Case : LCAO or PW
-if(ENABLE_LCAO)
-  # Case: CUDA is enabled (suffix with 'g' for GPU)
-  if(USE_CUDA)
-    if(ENABLE_MPI)
-      if(NOT ENABLE_LIBRI AND NOT ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_basic_gpu)
-      elseif(ENABLE_LIBRI AND NOT ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_std_gpu)
-      elseif(NOT ENABLE_LIBRI AND ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_ml_gpu)
-      elseif(ENABLE_LIBRI AND ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_max_gpu)
-      endif()
-    endif()
-  # Case: CPU is enabled (suffix with 'p' for parallel) 
-  else()
-    if(ENABLE_MPI)
-      if(NOT ENABLE_LIBRI AND NOT ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_basic_para)
-      elseif(ENABLE_LIBRI AND NOT ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_std_para)
-      elseif(NOT ENABLE_LIBRI AND ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_ml_para)
-      elseif(ENABLE_LIBRI AND ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_max_para)
-      endif()
-    else()
-      if(NOT ENABLE_LIBRI AND NOT ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_basic_ser)
-      elseif(ENABLE_LIBRI AND NOT ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_std_ser)
-      elseif(NOT ENABLE_LIBRI AND ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_ml_ser)
-      elseif(ENABLE_LIBRI AND ENABLE_MLALGO)
-        set(ABACUS_BIN_NAME abacus_max_ser)
-      endif()
-    endif()
-  endif()
-# Case : PW only
+if(USE_CUDA OR USE_ROCM)
+  set(_abacus_bin_backend "gpu")
+elseif(ENABLE_MPI)
+  set(_abacus_bin_backend "para")
+elseif(ENABLE_OPENMP)
+  set(_abacus_bin_backend "omp")
 else()
-  if(USE_CUDA)
-    if(ENABLE_MPI)
-      set(ABACUS_BIN_NAME abacus_pw_gpu)
-    endif()
-  else()
-    if(ENABLE_MPI)
-      set(ABACUS_BIN_NAME abacus_pw_para)
-    else()
-      set(ABACUS_BIN_NAME abacus_pw_ser)
-    endif()
-  endif()
+  set(_abacus_bin_backend "ser")
 endif()
 
+set(ABACUS_BIN_NAME "abacus_${_abacus_bin_feature}_${_abacus_bin_backend}")
 
 # Use DSP hardware
 if (USE_DSP)