move CMake variable sanitation to main CMakeLists

Author: Meinersbur

flang-rt/CMakeLists.txt

@@ -147,6 +147,23 @@ elseif (FLANG_RT_EXPERIMENTAL_OFFLOAD_SUPPORT STREQUAL "OpenMP")
   set(FLANG_RT_DEVICE_ARCHITECTURES "all" CACHE STRING
       "List of OpenMP device architectures to be used to compile the Fortran runtime (e.g. 'gfx1103;sm_90')"
     )
+
+  if (FLANG_RT_DEVICE_ARCHITECTURES STREQUAL "all")
+    # TODO: support auto detection on the build system.
+    set(all_amdgpu_architectures
+      "gfx700;gfx701;gfx801;gfx803;gfx900;gfx902;gfx906"
+      "gfx908;gfx90a;gfx90c;gfx940;gfx1010;gfx1030"
+      "gfx1031;gfx1032;gfx1033;gfx1034;gfx1035;gfx1036"
+      "gfx1100;gfx1101;gfx1102;gfx1103;gfx1150;gfx1151"
+      "gfx1152;gfx1153")
+    set(all_nvptx_architectures
+      "sm_35;sm_37;sm_50;sm_52;sm_53;sm_60;sm_61;sm_62"
+      "sm_70;sm_72;sm_75;sm_80;sm_86;sm_89;sm_90")
+    set(all_gpu_architectures
+      "${all_amdgpu_architectures};${all_nvptx_architectures}")
+      set(FLANG_RT_DEVICE_ARCHITECTURES ${all_gpu_architectures})
+  endif()
+  list(REMOVE_DUPLICATES FLANG_RT_DEVICE_ARCHITECTURES)
 else ()
   message(FATAL_ERROR "Invalid value '${FLANG_RT_EXPERIMENTAL_OFFLOAD_SUPPORT}' for FLANG_RT_EXPERIMENTAL_OFFLOAD_SUPPORT; must be empty, 'CUDA', or 'OpenMP'")
 endif ()

flang-rt/cmake/modules/AddFlangRTOffload.cmake

@@ -69,26 +69,6 @@ macro(enable_omp_offload_compilation name files)
     if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND
         "${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
 
-      set(all_amdgpu_architectures
-        "gfx700;gfx701;gfx801;gfx803;gfx900;gfx902;gfx906"
-        "gfx908;gfx90a;gfx90c;gfx940;gfx1010;gfx1030"
-        "gfx1031;gfx1032;gfx1033;gfx1034;gfx1035;gfx1036"
-        "gfx1100;gfx1101;gfx1102;gfx1103;gfx1150;gfx1151"
-        "gfx1152;gfx1153"
-        )
-      set(all_nvptx_architectures
-        "sm_35;sm_37;sm_50;sm_52;sm_53;sm_60;sm_61;sm_62"
-        "sm_70;sm_72;sm_75;sm_80;sm_86;sm_89;sm_90"
-        )
-      set(all_gpu_architectures
-        "${all_amdgpu_architectures};${all_nvptx_architectures}"
-        )
-      # TODO: support auto detection on the build system.
-      if (FLANG_RT_DEVICE_ARCHITECTURES STREQUAL "all")
-        set(FLANG_RT_DEVICE_ARCHITECTURES ${all_gpu_architectures})
-      endif()
-      list(REMOVE_DUPLICATES FLANG_RT_DEVICE_ARCHITECTURES)
-
       string(REPLACE ";" "," compile_for_architectures
         "${FLANG_RT_DEVICE_ARCHITECTURES}"
         )