http://llvm.org/bugs/show_bug.cgi?id=12146
Bug #: 12146
Summary: clang's NULL definition in stddef.h clashes with
msvc's crtdefs.h
Product: clang
Version: unspecified
Platform: PC
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P
Component: Headers
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Compiling
#include <stddef.h>
#include <crtdefs.h>
int* a = NULL
without -nobuiltininc yields:
test.cc:5:16: error: expected expression
int* a = __null;
That's because clang's stddef.h defines NULL to __null, but crtdefs.h
apparently defines __null to something else.
Not sure what the right fix is. Make __clang_null an alternate spelling of
__null and define NULL to __clang_null in stddef.h?
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