| """Build definitions for Ruy that are specific to the open-source build.""" |
| |
| # Used for targets that #include <thread> |
| def ruy_linkopts_thread_standard_library(): |
| # In open source builds, GCC is a common occurence. It requires "-pthread" |
| # to use the C++11 <thread> standard library header. This breaks the |
| # opensource build on Windows and probably some other platforms, so that |
| # will need to be fixed as needed. Ideally we would like to do this based |
| # on GCC being the compiler, but that does not seem to be easy to achieve |
| # with Bazel. Instead we do the following, which is copied from |
| # https://github.com/abseil/abseil-cpp/blob/1112609635037a32435de7aa70a9188dcb591458/absl/base/BUILD.bazel#L155 |
| return select({ |
| "@bazel_tools//src/conditions:windows": [], |
| "//conditions:default": ["-pthread"], |
| }) |
