include-what-you-use-0.21-bp156.1.2

- Tests require at least Python 3.8, so we use a newer Python on
  Leap than the system default 3.6.

- Update to version 0.21, update LLVM/Clang to version 17.
  * Improve analysis of type aliases (typedef and using).
  * Improve analysis of namespace aliases (namespace xyz = foobar).
  * Improve support for elaborated forward declarations
    (typedef struct Foo Bar).
  * Improve handling of "autocast" and function return types,
    particularly with complex template types.
  * Add new IWYU pragma: always_keep, which lets a header announce
    that it should always be kept wherever included.
  * Automatically use builtin libc++ mappings if libc++ is the
    active standard library.
  * Improve mappings for libc++ and posix headers.
- Rebase iwyu_include_picker.patch.

- Update to version 0.20, update LLVM/Clang to version 16.
  * Support `IWYU pragma: export` for forward-declarations.
  * Silently break cycles in mappings instead of crashing.
  * Require full type inside `typeid`.
  * Improve template reporting and resugaring.
  * Improve reporting of explicit template instantiations.
  * Fix a few crashes.
  * Improve logging (many small fixes).
  * Abandon python2 for scripts in favor of python3.
- Rebase fix-shebang.patch and iwyu_include_picker.patch.

- Change fix-shebang.patch to write python3 shebangs. (boo#1210578)

- Update to version 0.19, update LLVM/Clang to version 15.
  * New `--comment_style` option to control verbosity of 'why'
    comments.
  * New `--regex` option to select regex dialect.
  * Add support for regex replacement in mappings.
  * Add `begin_keep`/`end_keep` pragmas for protecting ranges of
    includes or forward-declares.
  * Fix several crash bugs for unusual inputs.
  * More exhaustive handling of type aliases and enums.
  * Recognize IWYU pragmas in CRLF source files.
  * Respect configured toolchain on macOS (and overrides via
    `-nostdinc++` + `-isystem`).
  * In fix_includes.py, recognize namespace alias declarations.
  * Improve mappings for POSIX and libc headers.
- Update iwyu_include_picker.patch.

- Use autosetup macro.
- Remove unneeded BuildRequires on Python 2.

- Update to version 0.18, update LLVM/Clang to version 14.
  * Fix crash on C++20 consteval expressions.
  * Use more conventional exit codes. (Breaking change!)
  * Fix deprecation warning for python3.
  * Fix crash on va_list on AArch64.
  * Improved support for using-declarations based on new Clang
    design.

- Update to version 0.17, update LLVM/Clang to version 13.
  * Improve support for various C++ features (builtins, CTAD,
    specializations, type aliases).
  * Fix crash on invalid code.
  * Remove hard dependency on x86 LLVM target.
  * Improve mappings for GNU libc.
  * More concise output for clang output format in iwyu_tool.
- Rebase iwyu_include_picker.patch.
- Drop obsolete remove-x86-specific-code.patch, fixed upstream.

- Update to version 0.16, update LLVM/Clang to version 12.
  * Let iwyu_tool accept --load/-l argument for load limiting.
  * Let iwyu_tool signal success/failure with exit code.
  * Harmonize mapping generators.
  * Add mapping generator for CPython.
  * Improve mappings for libstdc++ and Boost.
- Rebase iwyu_include_picker.patch.

- Update to version 0.15, update LLVM/Clang to version 11.
  * Fix crash due to undefined behavior in AST traversal.
  * Improve handling of operator new including C++17 features.
  * Improve handling of templates.
  * In iwyu_tool, remove known compiler wrappers from the command
    list.
  * Improve Qt mapping generator.
  * Improve boost mappings.
  * Improve built-in mappings for <time.h>.
  * Add built-in mappings for max_align_t, ptrdiff_t, and wchar_t.
  * Support shared LLVM/Clang libraries and other improvements.
- Get rid of obsolete test workaround, which stopped working on
  32-bit architectures for some reason. Instead we use plain %ctest
  now, but fix the mirror directory on 64-bit architectures.

- Update to version 0.14, update LLVM/Clang to version 10.
  * Report non-builtin enum base types.
  * Disable forward-declares for decls in inline namespaces.
  * Make C structs forward-declarable again.
  * Always keep Qt .moc includes.
  * Include binary type traits in analysis.
  * In iwyu_tool, fail fast if include-what-you-use is not found.
  * In iwyu_tool, print all diagnostic ouptut to stderr.
  * In fix_includes, improve file extension detection.
  * Add man page for include-what-you-use.
- Rebase fix-shebang.patch.
- Remove upstreamed link-llvm9.patch.
- Use man page from upstream.
- Use %cmake_build for parallel build.

- Use c++_compiler instead of clang to avoid dependence oddities.

- Deactivate ThinLTO on ARM: there are internal linker errors.

- Update to version 0.13, update LLVM/Clang to version 9.
  * Improved handling of relative includes in mappings and pragmas
  * Path normalization now collapses ..
  * Improve --no_fwd_decls not to remove required forward declarations
  * Improved handling of builtin templates
  * Don't mark forward declarations final
  * Tolerate using declarations in precompiled header
  * Add script to generate Qt mappings, and new mappings for Qt 5.11
  * Use directory from compilation database if available
  * Numerous documentation and build improvements
- Add section about pragma comments to man page.
- Add link-llvm9.patch to adapt to packaging changes in LLVM.
- Enable ThinLTO where possible.
- Drop support for SLE12.

- Disable LTO, because -flto=<number> doesn't work with Clang.

- Update to version 0.12, update LLVM/Clang to version 8.
  * New command-line option: --keep to mirror IWYU pragma: keep
  * New command-line option: --cxx17ns to suggest compact C++17
    nested namespaces
  * Improve --no_fwd_decls to optimize for minimal number of
    redeclarations
  * Improved mappings for POSIX types and let mappings apply to
    builtins as well
  * More principled handling of explicit template instantiations
  * Breaking change in iwyu_tool: extra args are no longer
    automatically prefixed with -Xiwyu (so you can use them for
    Clang args too)
  * Better handling of template forward-decls in fix_includes.
- Run test suite in %check.
- Package license file and documentation.
- Remove unnecessary %defattr.
- Update man page.
- Rebase fix-shebang.patch.

- Update to version 0.11, update LLVM/Clang to version 7.
  * Improved recognition of template and specialization uses.
  * Improved CMake build system, see docs for build instructions.
  * Improved mappings for Boost, Intel intrinsics and libstdc++.
  * Several bug fixes and improvements.
  * Add --basedir argument to interpret IWYU output from another
    source tree.
  * Handle namespaces better.
  * Add --only_re switch to filter affected files.
  * Add --reorder/--noreorder switch to toggle reordering of
    includes.
- Drop obsolete llvm-link.patch.
- Rebase iwyu_include_picker.patch.
- Update man page, sort options alphabetically.
- Remove runtime dependency on clang - the builtin headers are now
  included in libclang.

- Update to version 0.10, update LLVM/Clang to version 6.
  * Add --no_fwd_decls option to avoid replacing includes with
    forward-declarations.
  * Treat definitions of free functions as uses of the
    corresponding prototypes.
  * Support C++11 range-for loops.
  * Several template misattribution bugs fixed.
  * Better support for non-ASCII encodings in fix_includes.py.
  * Remove support for VCS commands from fix_includes.py.