[LLVMbugs] [Bug 12849] New: Compiling with MSYS

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12849

             Bug #: 12849
           Summary: Compiling with MSYS
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nigel_galloway at yahoo.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


I created makefiles with cmake -G "MSYS Makefiles" and compiled using MSYS and
MinGW 4.5.3. The compilation failed at line 67 of CacheTokens.cpp.

  PTHEntryKeyVariant(struct stat* statbuf, const char* path)
    : Path(path), Kind(IsDE), StatBuf(new struct stat(*statbuf)) {}

I'm sure that the very first C++ book I ever read stated early on that C++ is
case sensitive but that it is very bad to use names that only differ in the
case of a letter.

Anyway the compiler claims that macro stat requires two parameters and only one
has been given. I assume that we actually want structure stat from sys/stat.h
and not the posix call stat(). g++ seems to be as confused as I am.

This may be an issue with the cmake configuration files as this looks like code
that may require special parameters or version of g++. Or it may be a problem
with MinGW.

I changed the above code to:

  PTHEntryKeyVariant(struct stat* statbuf, const char* path)
\\    : Path(path), Kind(IsDE), StatBuf(new struct stat(*statbuf))
     {}

CLang then compiled and suprisingly seems to work, but presuambly won't when I
start expoloring pretokenized headers.

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