[Bug 268247] devel/cvise: fix build with devel/llvm15 installed

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268247

--- Comment #2 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/ports/commit/?id=0f1ce09fbc7d660aacacf0428f26632896b89419

commit 0f1ce09fbc7d660aacacf0428f26632896b89419
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2022-12-08 16:18:19 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2022-12-25 17:50:27 +0000

    devel/cvise: fix build with devel/llvm15 installed

    During an exp-run for llvm 15 (see bug 265425), it turned out that
    devel/cvise failed to build if devel/llvm15 is also installed:

     
/wrkdirs/usr/ports/devel/cvise/work/cvise-2.4.0/clang_delta/ExpressionDetector.cpp:62:16:
error: 'InclusionDirective' marked 'override' but does not override any member
functions
        virtual void InclusionDirective(SourceLocation HashLoc,
                     ^
     
/wrkdirs/usr/ports/devel/cvise/work/cvise-2.4.0/clang_delta/ExpressionDetector.cpp:62:16:
warning: '(anonymous namespace)::IncludesPPCallbacks::InclusionDirective' hides
overloaded virtual function [-Woverloaded-virtual]
      /usr/local/llvm15/include/clang/Lex/PPCallbacks.h:127:16: note: hidden
overloaded virtual function 'clang::PPCallbacks::InclusionDirective' declared
here: type mismatch at 6th parameter ('Optional<clang::FileEntryRef>' vs 'const
clang::FileEntry *')
        virtual void InclusionDirective(SourceLocation HashLoc,
                     ^
      1 warning and 1 error generated.

    This is because during the configure phase, it picks up
    ClangConfig.cmake from the llvm13 package, but LLVMConfig.cmake from the
    llvm15 package:

      -- Found LLVM 15.0.6
      -- Using LLVMConfig.cmake in /usr/local/llvm15/lib/cmake/llvm
      -- Using ClangConfig.cmake in /usr/local/llvm13/lib/cmake/clang
      -- Found PythonInterp: /usr/local/bin/python3 (found suitable version
"3.9.15", minimum required is "3.6")

    Add a -DLLVM_DIR flag to CMAKE_ARGS to point to the correct directory
    for LLVMConfig.cmake.

    PR:             268247
    Approved by:    maintainer timeout (2 weeks)
    MFH:            2022Q4

 devel/cvise/Makefile | 1 +
 1 file changed, 1 insertion(+)

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