install error:warning: initialized lambda captures are a C++14 extension [-Wc++14-extensions]

[CrashHunter]

In file included from ./../folly/io/async/Request.h:27:
./../folly/SingletonThreadLocal.h:32:21: warning: initialized lambda captures
are a C++14 extension [-Wc++14-extensions]
: singleton_(createFunc = std::move(createFunc) mutable {
^
./../folly/SingletonThreadLocal.h:33:36: warning: initialized lambda captures
are a C++14 extension [-Wc++14-extensions]
return new ThreadLocalT([createFunc =
^
In file included from io/async/AsyncPipe.cpp:16:
In file included from ./../folly/io/async/AsyncPipe.h:18:
In file included from ./../folly/io/async/AsyncTransport.h:26:
./../folly/io/async/ssl/OpenSSLPtrTypes.h:20:10: fatal error: 'openssl/evp.h'
file not found

include <openssl/evp.h>

     ^

2 warnings and 1 error generated.
make[4]: *** [io/async/AsyncPipe.lo] Error 1
make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

[CrashHunter]

solved by brew link openssl --force
then :
./../folly/portability/Malloc.h:27:12: error: unknown type name 'size_t'
extern "C" size_t malloc_usable_size(void* ptr);

[CrashHunter]

solved Malloc.h complice error
by
added #include <stddef.h> to /third_party/folly/folly/portability/Malloc.h