[LLVMbugs] [Bug 21633] New: In git/svn trunk, make for .../llvm fails building tools/extras

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21633

            Bug ID: 21633
           Summary: In git/svn trunk, make for .../llvm  fails building
                    tools/extras
           Product: Build scripts
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Makefiles
          Assignee: unassignedbugs at nondot.org
          Reporter: robfowlerhpc at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Did a git pull on llvm and clang on my Ubuntu 14.04 laptop with all current
patches so I could do some work at a conference investigating a code generation
(performance, not correctness) bug (that was present) in clang 3.4.2, i.e., to
ensure that the bug was still present.

make failed after crunching for a couple of hours with complaints about not
finding an iterator deep in the bowels of clang.  (Sorry, the sysout from make
s long gone) I then did "svn update" for both llvm and clang to (trunk 222399),
did a vanilla reconfigure, make clean, and make.  The process failed somewhere
lse with complaints about not finding some directory related to gcc.  (Sorry,
that's gone too.) At that point I uninstalled and reinstalled gcc/g+ 4.8.2
binaries from the Ubuntu repository.  I also decided to accelerate the process,
so I cut back on the  target set.  In the penultimate iteration:

----------------------------
build$ ../llvm/configure --prefix=/home/xxx --enable-targets="nvptx x86_64"

build$ make

<< lots elided >>

llvm[5]: Compiling PreprocessorTracker.cpp for Debug+Asserts build
/home/rjf/LLVM-clang/llvm/tools/clang/tools/extra/modularize/PreprocessorTracker.cpp:
In member function ‘void
Modularize::PreprocessorTrackerImpl::handleHeaderEntry(clang::Preprocessor&,
llvm::StringRef)’:
/home/rjf/LLVM-clang/llvm/tools/clang/tools/extra/modularize/PreprocessorTracker.cpp:960:24:
error: no match for ‘operator!’ (operand type is
‘std::pair<llvm::NoneType, bool>’)
       InNestedHeader = !HeadersInThisCompile.insert(H);
                        ^
/home/rjf/LLVM-clang/llvm/tools/clang/tools/extra/modularize/PreprocessorTracker.cpp:960:24:
note: candidate is:
/home/rjf/LLVM-clang/llvm/tools/clang/tools/extra/modularize/PreprocessorTracker.cpp:960:24:
note: operator!(bool) <built-in>
/home/rjf/LLVM-clang/llvm/tools/clang/tools/extra/modularize/PreprocessorTracker.cpp:960:24:
note:   no known conversion for argument 1 from
‘std::pair<llvm::NoneType, bool>’ to ‘bool’

<< make continued past this point, but eventually bails from this error.>>
-----------------------------------------

At that point I got rid of the extras directories in the distribution tree and
all was copacetic regarding subsequent make and make install of the mainline
clang, etc.

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