[llvm-bugs] [Bug 27006] New: clang 3.8/3.7 does not link with crypto++ ( CryptoPP::DEFAULT_CHANNEL )

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27006

            Bug ID: 27006
           Summary: clang 3.8/3.7 does not link with crypto++ (
                    CryptoPP::DEFAULT_CHANNEL )
           Product: tools
           Version: 3.8
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: llvm-g++
          Assignee: unassignedbugs at nondot.org
          Reporter: mendola at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

The following snippet:

#include <cryptopp/hex.h>
int main() {
  CryptoPP::HexDecoder myHexDecoder;
}


does not link with clang++-3.8/clang++3.7 while it links just fine with
gcc5.3.1

$ apt-show-versions libcrypto++-dev
libcrypto++-dev:amd64/xenial 5.6.1-9 uptodate


The error:
$ clang++-3.8 main.cpp -lcrypto++
/tmp/main-1ac893.o: In function
`CryptoPP::Unflushable<CryptoPP::Filter>::Flush(bool, int, bool)':
main.cpp:(.text._ZN8CryptoPP11UnflushableINS_6FilterEE5FlushEbib[_ZN8CryptoPP11UnflushableINS_6FilterEE5FlushEbib]+0xf):
undefined reference to `CryptoPP::DEFAULT_CHANNEL'
clang: error: linker command failed with exit code 1 (use -v to see invocation)

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