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- Description: Statically link to libllvm
- When multiple ICDs are installed, libopencl1 needs to dlopen() them all
- to find out which one works on the available hardware. If they are
- dynamically linked, this leads to them sharing a libllvm, which has
- enough global state that this is likely to error out. (This is a known
- LLVM bug, https://bugs.llvm.org/show_bug.cgi?id=22952 , but currently
- has no real fix.)
- Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
- Bug: https://bugs.llvm.org/show_bug.cgi?id=30587
- Bug-Debian: https://bugs.debian.org/852746
- Forwarded: https://lists.freedesktop.org/archives/beignet/2019-January/009226.html
- --- a/CMake/FindLLVM.cmake
- +++ b/CMake/FindLLVM.cmake
- @@ -87,18 +87,34 @@ execute_process(
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
-
- +if (LLVM_VERSION_NODOT VERSION_GREATER 38)
- +execute_process(
- + COMMAND ${LLVM_CONFIG_EXECUTABLE} --libs --link-static
- + OUTPUT_VARIABLE LLVM_MODULE_LIBS
- + OUTPUT_STRIP_TRAILING_WHITESPACE
- +)
- +else (LLVM_VERSION_NODOT VERSION_GREATER 38)
- execute_process(
- COMMAND ${LLVM_CONFIG_EXECUTABLE} --libs
- OUTPUT_VARIABLE LLVM_MODULE_LIBS
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- +endif (LLVM_VERSION_NODOT VERSION_GREATER 38)
-
- if (LLVM_VERSION_NODOT VERSION_GREATER 34)
- +if (LLVM_VERSION_NODOT VERSION_GREATER 38)
- +execute_process(
- + COMMAND ${LLVM_CONFIG_EXECUTABLE} --system-libs --link-static
- + OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_ORIG
- + OUTPUT_STRIP_TRAILING_WHITESPACE
- +)
- +else (LLVM_VERSION_NODOT VERSION_GREATER 38)
- execute_process(
- COMMAND ${LLVM_CONFIG_EXECUTABLE} --system-libs
- OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_ORIG
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- +endif (LLVM_VERSION_NODOT VERSION_GREATER 38)
- if (LLVM_SYSTEM_LIBS_ORIG)
- string(REGEX REPLACE " *\n" "" LLVM_SYSTEM_LIBS ${LLVM_SYSTEM_LIBS_ORIG})
- endif (LLVM_SYSTEM_LIBS_ORIG)
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