forked from mirrors/nixpkgs
26 lines
920 B
Diff
26 lines
920 B
Diff
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diff --git a/cl_headers/CMakeLists.txt b/cl_headers/CMakeLists.txt
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index 3dd2ea4..aeae6e9 100644
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--- a/cl_headers/CMakeLists.txt
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+++ b/cl_headers/CMakeLists.txt
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@@ -11,12 +11,14 @@ add_custom_command(
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)
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endfunction(copy_file)
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-if(USE_PREBUILT_LLVM)
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- set(OPENCL_HEADERS_DIR
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- "${LLVM_LIBRARY_DIRS}/clang/${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}/include/")
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-else(USE_PREBUILT_LLVM)
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- set(OPENCL_HEADERS_DIR "${CLANG_SOURCE_DIR}/lib/Headers")
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-endif(USE_PREBUILT_LLVM)
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+if(NOT DEFINED OPENCL_HEADERS_DIR)
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+ if(USE_PREBUILT_LLVM)
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+ set(OPENCL_HEADERS_DIR
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+ "${LLVM_LIBRARY_DIRS}/clang/${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}/include/")
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+ else(USE_PREBUILT_LLVM)
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+ set(OPENCL_HEADERS_DIR "${CLANG_SOURCE_DIR}/lib/Headers")
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+ endif(USE_PREBUILT_LLVM)
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+endif()
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copy_file(${OPENCL_HEADERS_DIR}/opencl-c.h opencl-c.h)
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add_custom_target (
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