http://llvm.org/bugs/show_bug.cgi?id=6530
Summary: Extension: Support platforms with implicit extern "C"
system headers
Product: clang
Version: trunk
Platform: PC
OS/Version: other
Status: NEW
Severity: enhancement
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
GCC has the notion of system headers that are implicitly wrapped in extern "C"
blocks, since they were written without regard to C++. Clang may need to
support platforms with this requirement in the future, which involves:
- Tracking which headers require the implicit extern "C" (already handled by
the preprocessor)
- Implicitly wrapping extern "C" around these headers when the parser sees
them (we aren't doing this)
- Allowing C-isms in such headers, e.g., prototype-less functions (which look
like zero-parameter functions in C++) can be merged with functions that have
prototypes (we aren't doing this).
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