Rebecca,

I got it to compile by doing this

diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
index cdeed0d073eb..72dbeb2795e8 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
@@ -595,8 +595,8 @@ [BuildOptions]
   # 3017: <entity> may be used before being set (NOTE: This was fixed in OpenSSL 1.1 HEAD with
   #       commit d9b8b89bec4480de3a10bdaf9425db371c19145b, and can be dropped then.)
   RVCT:*_*_ARM_CC_FLAGS     = $(OPENSSL_FLAGS) --library_interface=aeabi_clib99 --diag_suppress=1296,1295,550,1293,111,68,177,223,144,513,188,128,546,1,3017 -JCryptoPkg/Include
-  XCODE:*_*_IA32_CC_FLAGS   = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -w -std=c99 -Wno-error=uninitialized
-  XCODE:*_*_X64_CC_FLAGS    = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -w -std=c99 -Wno-error=uninitialized
+  XCODE:*_*_IA32_CC_FLAGS   = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -w -std=c99 -Wno-error=uninitialized -DOPENSSL_NO_APPLE_CRYPTO_RANDOM
+  XCODE:*_*_X64_CC_FLAGS    = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -w -std=c99 -Wno-error=uninitialized -DOPENSSL_NO_APPLE_CRYPTO_RANDOM
 
   #
   # AARCH64 uses strict alignment and avoids SIMD registers for code that may execute


Thanks,

Andrew Fish

> On Mar 29, 2022, at 10:33 AM, Rebecca Cran <quic_rcran@quicinc.com> wrote:
> 
> A build of CryptoPkg with XCODE5 on macOS is now trying to include Availability.h, which isn't found:
> 
> In file included from /Users/bcran/src/uefi/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/init.c:13:
> /Users/bcran/src/uefi/edk2/CryptoPkg/Library/OpensslLib/openssl/include/crypto/rand.h:24:12: fatal error: 'Availability.h' file not found
> #  include <Availability.h>
>            ^~~~~~~~~~~~~~~~
> 
> This is because of the following in CryptoPkg/Library/OpensslLib/openssl/include/crypto/rand.h
> 
> # if defined(__APPLE__) && !defined(OPENSSL_NO_APPLE_CRYPTO_RANDOM)
> #  include <Availability.h>
> #  if (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200) || \
>      (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 80000)
> #   define OPENSSL_APPLE_CRYPTO_RANDOM 1
> #   include <CommonCrypto/CommonCryptoError.h>
> #   include <CommonCrypto/CommonRandom.h>
> #  endif
> # endif
> 
> -- 
> Rebecca Cran
> 
> 
> 
> 
>