gn-0.20210811-bp155.4.6

- Bump Leap's GCC version to 12 to align with the other Chromium
  tools
- Exclude ppc - it doesn't build

- Update to 0.1726:
  * no upstream changelog
- Rebase patches:
  * gn-always-python3.patch
  * gn-flags.patch

- Update to 0.1616:
  * no upstream changelog
- Remove merged patch gn-add_missing_arm_files.patch
- Add patch to always use python3 in tests:
  * gn-always-python3.patch

- Update to 0.1544:
  * No upstream changelog
- Rebase patch gn-flags.patch

- Version update to 0.1479:
  * No upstream changelog
- Rebase patch gn-flags.patch

- Add deprecated_copy.patch: fix deprecated copy GCC warnings
- Go back to GCC
- Use newer libs and GCC on Leap 15.3 & 15.4

- Fix build with riscv64

- Update to version 0.20210811:
  * C++ modernization improvements.
  * Minor style updates.
  * Enable GN to build & run on z/OS
  * Fix a typo in the doc of "generated_file"
  * Update doc/help to say --ninja-executable works for VS Flags
  * [rust] Fix and test dylib support
  * Add 'rustenv' to 'gn desc' output
  * [rust] Clean up logic in PullDependentTargetLibsFrom
  * Link Rust binaries against transitive public_deps
  * Fix linking dynamic libraries in Rust binaries
- Remove patches:
  * gn-flags.patch
  * gn-always-python3.patch
  * riscv.patch

- Add riscv.patch to add support for RISCV

- Update to 0.1807:
  * no upstream changelog

- Update to 0.1726:
  * no upstream changelog
- Rebase patches:
  * gn-always-python3.patch
  * gn-flags.patch

- Update to 0.1616:
  * no upstream changelog
- Remove merged patch gn-add_missing_arm_files.patch
- Add patch to always use python3 in tests:
  * gn-always-python3.patch

- Update to 0.1544:
  * No upstream changelog
- Rebase patch gn-flags.patch

- Add patch to add missing files to fix armv7 build:
  * gn-add_missing_arm_files.patch

- Version update to 0.1479:
  * No upstream changelog
- Rebase patch gn-flags.patch

- Update to 0.1463:
  * No upstream changelog
- Rebase patch gn-flags.patch

- Fix building on openSUSE Leap 42.3

- Initial commit, package used to generate ninja files, used
  when configuring chromium