http://llvm.org/bugs/show_bug.cgi?id=4617
Summary: MSIL backend build failure under gcc 4.4
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
lib/Target/MSIL/MSILWriter.h contains an anonymous namespace. This header is
included by both MSILWriter.cpp and TargetInfo/MSILTargetInfo.cpp.
With GCC 4.4, TargetInfo/MSILTargetInfo.cpp generates a .o file that includes
undefined symbols for all of the class methods. Since those are never defined
in MSILTargetInfo.cpp, they can never be resolved and we get an undefined
symbol error at link time. (For reference, GCC 4.2 never generates bothers to
emit undef symbols because they're never mentioned outside the declaration.)
The minimal fix is to remove the anonymous namespace in the header, putting the
class declarations into the global space, but we can almost certainly do
something smarter.
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