* Merge pull request #77 from nitrix/fix/upgrade-cmake-313 (288d32b) * Merge pull request #78 from nitrix/fix/win-pthread-clock-gettime (8bf69ec) * Not touching apple. (bc4e333) * Should be made static since the symbol has internal linkage. (a4b93af) * Rename the clock_gettime function on windows to avoid name collisions. (47ad413) * Use existing clock_gettime from pthread on windows when available. (ae521a7) * Upgrade CMake min ver to 3.13. (dc99762)