- Update to version 2.2.2
* Fixed 267: Support build with GCC option "-fvisibility=hidden".
* Fixed 262: Declare FALGS_no##name variables as static to avoid
"previous extern" warning.
* Fixed 261: Declare FlagRegisterer c’tor explicit template instanations as
extern in header
* Fixed 257: Build with _UNICODE support on Windows.
* Fixed 233/234/235: Move CMake defines that are unused by Bazel to
separate header; makes config.h private again
* Fixed 228: Build with recent MinGW versions that define setenv.
* Fixed 226: Remove obsolete and unused CleanFileName code
* Merged 266: Various PVS Studio and GCC warnings.
* Merged 258: Fix build with some Clang variants that define "restrict"
macro.
* Merged 252: Update documentation on how to use Bazel.
* Merged 249: Use "_debug" postfix for debug libraries.
* Merged 247: CMake "project" VERSION; no enable_testing(); "gflags::"
import target prefix.
* Merged 246: Add Bazel-on-Windows support.
* Merged 239: Use GFLAGS_NAMESPACE instead of "gflags" in test executable.
* Merged 237: Removed unused functions; fixes compilation with -Werror
compiler option.
* Merged 232: Fix typo in Bazel's BUILD definition
* Merged 230: Remove using ::fLS::clstring.
* Merged 221: Add convenience 'uninstall' target
- Run spec-cleaner
* Remove package groups
* Use make macros