[Hexagon] Update instructions to compile hexagon runtime (#14948)

* [Hexagon] Update instructions to compile hexagon runtime Also, added include path of dlfcn.h which is applicable from Hexagon SDK 5.3.0.0 * Add condition to enable dlfcn path from SDK 5.3.0.0
apache · May 31, 2023 · 4eb1a4f · 4eb1a4f
1 parent ea57778
commit 4eb1a4f
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diff --git a/cmake/modules/HexagonSDK.cmake b/cmake/modules/HexagonSDK.cmake
@@ -168,6 +168,10 @@ function(_get_hexagon_sdk_property_impl
         "${_hexagon_sdk_root}/rtos/qurt/${_hexarch_dir}/include/qurt"
         "${_hexagon_sdk_root}/ipc/fastrpc/rtld/ship/${_rtld_dir}"
       )
+      _check_path_exists("${_hexagon_sdk_root}/ipc/fastrpc/rtld/ship/inc" _sdk_dlfcn)
+      if(_sdk_dlfcn)
+        list(APPEND _dirs "${_hexagon_sdk_root}/ipc/fastrpc/rtld/ship/inc")
+      endif()
     elseif(_property STREQUAL "QURT_LIB")
       set(_dirs "${_hexagon_sdk_root}/rtos/qurt/${_hexarch_dir}/lib/pic")
     elseif(_property STREQUAL "RPCMEM_ROOT")

diff --git a/src/runtime/hexagon/README.md b/src/runtime/hexagon/README.md
@@ -65,6 +65,8 @@ CMAKE_CXX_COMPILER=hexagon-clang++
 USE_HEXAGON=ON
 USE_HEXAGON_ARCH=v65|v66|v68|v69|v73
 USE_HEXAGON_SDK=/path/to/sdk
+USE_RPC=OFF
+USE_LIBBACKTRACE=OFF
 ```
 
 As mentioned before, only build the `runtime` component (e.g. `make runtime`).