[Bug 231998] security/cryptopp: undefined reference to `CryptoPP::AlignedDeallocate(void*)'

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231998

            Bug ID: 231998
           Summary: security/cryptopp: undefined reference to
                    `CryptoPP::AlignedDeallocate(void*)'
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: jhale at FreeBSD.org
          Reporter: andreas.sommer87 at googlemail.com
             Flags: maintainer-feedback?(jhale at FreeBSD.org)
          Assignee: jhale at FreeBSD.org

Created attachment 197832
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=197832&action=edit
cryptopp 7.0.0 build log on 2018Q4 / FreeBSD 11.2 amd64

By default, the SIMD option is off, resulting in disabling certain features:

c++ -O2 -pipe -fstack-protector -fno-strict-aliasing -std=c++11 -stdlib=libc++
-Wno-deprecated-declarations -fPIC -DNDEBUG -DCRYPTOPP_DISABLE_ASM
-DCRYPTOPP_DISABLE_SSE2 -DCRYPTOPP_DISABLE_SSSE3 -DCRYPTOPP_DISABLE_SSE4
-pthread -pipe -c misc.cpp

Thus, the `AlignedDeallocate` function does not get compiled.

Trying to use the shared object with `-lcryptopp` results in the above linker
error because `config.h` determines enabled features by the
`CRYPTOPP_DISABLE_*` macros.

In this case:

#if (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 ||
CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64) && !defined(CRYPTOPP_DISABLE_ASM)
        #define CRYPTOPP_BOOL_ALIGN16 1
#else
        #define CRYPTOPP_BOOL_ALIGN16 0
#endif

So a program linking against libcryptopp will think that
CRYPTOPP_BOOL_ALIGN16=1 while it was actually compiled (using default option)
with CRYPTOPP_BOOL_ALIGN16=0, leading to the missing function.

Not sure how to approach this. Maybe write the chosen `CRYPTOPP_DISABLE_*` into
the installed `config.h`?!

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