[LLVMbugs] [Bug 443] NEW: LLVM bootstrap fails due to HAVE_MMAP_FILE missing

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=443

           Summary: LLVM bootstrap fails due to HAVE_MMAP_FILE missing
           Product: Build scripts
           Version: cvs
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: autoconf
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sabre at nondot.org


For an unknown reason, bootstrapping LLVM does not pick up HAVE_MMAP_FILE
correctly, leading to this #error:

Compiling FileUtilities.cpp
FileUtilities.cpp:299:2: #error Unimplemented ReadFileIntoAddressSpace - need to
use read/write.

To reproduce, configure with CC=llvmgcc CXX=llvmg++, and build LLVM.

When manually hacking HAVE_MMAP_FILE into config.h, things work as expected.

-Chris



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