[LLVMbugs] [Bug 19959] New: Use sys/param.h as an endianness fallback

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19959

            Bug ID: 19959
           Summary: Use sys/param.h as an endianness fallback
           Product: compiler-rt
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: compiler-rt
          Assignee: unassignedbugs at nondot.org
          Reporter: taralx at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

lib/builtins/int_endianness.h doesn't compile on platforms other than those it
particularly handles.

On most platforms I tested, sys/param.h provides BYTE_ORDER == LITTLE_ENDIAN or
BIG_ENDIAN. That should be used as a fallback instead of just failing blindly.

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