Exit build with error message when NGRAPH_USE_PREBUILT_LLVM is requested on non-Linux OSes (#560)

* Exit build with error message when NGRAPH_USE_PREBUILT_LLVM is requested on non-Linux OSes

Exit build with error message when NGRAPH_USE_PREBUILT_LLVM is requested on non-Linux OSes (#560)
* Exit build with error message when NGRAPH_USE_PREBUILT_LLVM is requested on non-Linux OSes
eb0cb9eb · Adam Procter · Robert Kimball · ebdca8d8 · eb0cb9eb
Commit eb0cb9eb authored Feb 28, 2018 by Adam Procter Committed by Robert Kimball Feb 28, 2018
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external_llvm_prebuilt.cmake cmake/external_llvm_prebuilt.cmake +5 -2

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--- a/cmake/external_llvm_prebuilt.cmake
+++ b/cmake/external_llvm_prebuilt.cmake
@@ -16,8 +16,11 @@

 include(ExternalProject)

-if((NGRAPH_CPU_ENABLE OR NGRAPH_GPU_ENABLE) AND (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin") AND
-                         (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Windows"))
+if (NGRAPH_CPU_ENABLE AND (${CMAKE_SYSTEM_NAME} MATCHES "Darwin") OR (${CMAKE_SYSTEM_NAME} MATCHES "Windows"))
+    message(FATAL_ERROR "The NGRAPH_USE_PREBUILT_LLVM option is not supported on this platform.")
+endif()
+
+if (NGRAPH_CPU_ENABLE)
    message(STATUS "Fetching LLVM from llvm.org")

    # Override default LLVM binaries