[cfe-dev] CSCommon.h fails to compile (Mac OS X 10.11)

[Joshua Gerrard via cfe-dev]

Hello folks,

I'm working on a project that uses clang and it seems that I cannot compile
the CSCommon.h header inside the Apple SDKs. The error I get is:

enumerator value evaluates to -2147483648, which cannot be narrowed to type
uint32_t (aka unsingned int)

Around the source code:
typedef CF_OPTIONS(uint32_t, SecCSFlags) {
    kSecCSDefaultFlags = 0, /* no particular flags (default behavior) */

    kSecCSConsiderExpiration = 1 << 31, /* consider expired certificates
invalid */
    kSecCSEnforceRevocationChecks = 1 << 30, /* force revocation checks
regardless of preference settings */
    kSecCSNoNetworkAccess = 1 << 29,            /* do not use the network,
cancels "kSecCSEnforceRevocationChecks"  */
    kSecCSReportProgress = 1 << 28, /* make progress report call-backs when
configured */
    kSecCSCheckTrustedAnchors = 1 << 27, /* build certificate chain to
system trust anchors, not to any self-signed certificate */
};

clang revision 253884

Previously, we just hacked around this with:

#undef CF_OPTIONS
#define CF_OPTIONS(_type, _name) _type _name; enum

But alas some of our users are still reporting the error.

Has anyone encountered this before? Is there a specific LangOpt I need to
set?

Many thanks in advance.

--

Joshua Gerrard
JUCE Software Developer

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