[offload] Move additional plugin dependencies to add_target_library

Move the dependencies on `LLVMFrontendOffloading` and `LLVMProfileData`
from amdgpu and common, respectively, to the base `add_target_library()`
macro.  This means we can take advantage of LINK_COMPONENTS and do not
have to add extra complexity to handle dylib and standalone builds.

Author: mgorny

offload/plugins-nextgen/CMakeLists.txt

@@ -12,6 +12,7 @@ function(add_target_library target_name lib_name)
       CodeGen
       Core
       Extensions
+      FrontendOffloading
       InstCombine
       Instrumentation
       IPO
@@ -20,6 +21,7 @@ function(add_target_library target_name lib_name)
       MC
       Object
       Passes
+      ProfileData
       Remarks
       ScalarOpts
       Support

offload/plugins-nextgen/amdgpu/CMakeLists.txt

@@ -10,12 +10,11 @@ target_include_directories(omptarget.rtl.amdgpu PRIVATE
 
 if(hsa-runtime64_FOUND AND NOT "amdgpu" IN_LIST LIBOMPTARGET_DLOPEN_PLUGINS)
   message(STATUS "Building AMDGPU plugin linked against libhsa")
-  target_link_libraries(omptarget.rtl.amdgpu PRIVATE hsa-runtime64::hsa-runtime64 LLVMFrontendOffloading)
+  target_link_libraries(omptarget.rtl.amdgpu PRIVATE hsa-runtime64::hsa-runtime64)
 else()
   message(STATUS "Building AMDGPU plugin for dlopened libhsa")
   target_include_directories(omptarget.rtl.amdgpu PRIVATE dynamic_hsa)
   target_sources(omptarget.rtl.amdgpu PRIVATE dynamic_hsa/hsa.cpp)
-  target_link_libraries(omptarget.rtl.amdgpu PRIVATE LLVMFrontendOffloading)
 endif()
 
 # Configure testing for the AMDGPU plugin. We will build tests if we could a

offload/plugins-nextgen/common/CMakeLists.txt

@@ -7,7 +7,7 @@ add_library(PluginCommon OBJECT
   src/RPC.cpp
   src/Utils/ELF.cpp
 )
-add_dependencies(PluginCommon intrinsics_gen LLVMProfileData)
+add_dependencies(PluginCommon intrinsics_gen)
 
 # Only enable JIT for those targets that LLVM can support.
 set(supported_jit_targets AMDGPU NVPTX)
@@ -43,7 +43,6 @@ target_compile_definitions(PluginCommon PRIVATE
 
 target_compile_options(PluginCommon PUBLIC ${offload_compile_flags})
 target_link_options(PluginCommon PUBLIC ${offload_link_flags})
-target_link_libraries(PluginCommon PRIVATE LLVMProfileData)
 
 target_include_directories(PluginCommon PUBLIC
   ${CMAKE_CURRENT_SOURCE_DIR}/include