https://llvm.org/bugs/show_bug.cgi?id=26002
Bug ID: 26002
Summary: cc_kext configuration wants InstrProfilingWriter
linked in
Product: compiler-rt
Version: unspecified
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: compiler-rt
Assignee: unassignedb...@nondot.org
Reporter: pump...@me.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I'm not 100% sure about this, but when I try to link xnu (the Darwin kernel, at
http://opensource.apple.com/source/xnu/xnu-3248.20.55/) with a
libclang_rt.cc_kext produced from compiler-rt (SVN 256647) it complains about a
missing llvmBufferWriter (and a couple of other related symbols).
I noticed that in CompilerRTDarwinUtils.cmake, PROFILE_SOURCES doesn't include
InstrProfilingWriter. If I add InstrProfilingWriter to that list, the linker
issue goes away (except it still complains about memcpy_chk/memset_chk, but I
that's likely unrelated).
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