fmt incompatible with C++/CLI?

[pdxcodemonkey]

I have a library built using C++/CLI to talk to a C++ layer, and it blows up if I include format.h. The following define is causing the issue:

  #if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && \
    !defined(FMT_BUILTIN_CTZLL) && !defined(_MANAGED)

Here _MANAGED is true, causing the block to be skipped and the inline versions of ctz and ctzll not to be defined. Compilation then fails in this block of format_inl.h:

#ifdef FMT_BUILTIN_CTZ
  int t = FMT_BUILTIN_CTZ(n);
#else
  int t = ctz(n);
#endif

And again here:

#ifdef FMT_BUILTIN_CTZLL
  int t = FMT_BUILTIN_CTZLL(n);
#else
  int t = ctzll(n);
#endif

because FMT_BUILTIN_CTZ et al are undefined, but there is also no intrinsic ctz or ctzll on the platform.

Is this by design, or just a bug?

[vitaut]

C++/CLI is not actively supported but I'm open to a PR to fix this issue, provided that the fix is non-intrusive.

[Brainy0207]

I hope it's ok to comment on a closed issue.
I just wanted to mention, that this issue is already fixed in master: #2176