[llvm-bugs] [Bug 27876] New: No way to specify the location of libunwind's library file

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27876

            Bug ID: 27876
           Summary: No way to specify the location of libunwind's library
                    file
           Product: libc++abi
           Version: 3.8
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: zhanglei.april at gmail.com
                CC: llvm-bugs at lists.llvm.org, mclow.lists at gmail.com
    Classification: Unclassified

Created attachment 16416
  --> https://llvm.org/bugs/attachment.cgi?id=16416&action=edit
patch to cmake script

This issue is observed while doing out-of-tree build on Linux.

There is a cmake variable LIBCXXABI_LIBUNWIND_PATH for specifying the path of
libunwind's headers, but not any for the path of libunwind's library file. As a
result, you have to include this path via CMAKE_SHARED_LINKER_FLAGS or similar.

This could be trivially fixed by introducing a new variable
LIBCXXABI_LIBUNWIND_LIBRARY_PATH. A possible fix is attached.


Lei

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