document ZSTD_USE_C90_QSORT

2025-02-21 12:48:26 -08:00
parent ebfa660b82
commit fd5498a179
1 changed files with 4 additions and 0 deletions
@@ -193,6 +193,10 @@ The file structure is designed to make this selection manually achievable for an
  and assembly decoding loops. You may want to use this macro if these loops are
  slower on your platform.

+- The macro `ZSTD_USE_C90_QSORT` forces usage of C90's `qsort()`,
+  for situations where the code cannot determine that `qsort_r()` is not supported,
+  such as, for example, older versions of `musl`.
+
 #### Windows : using MinGW+MSYS to create DLL

 DLL can be created using MinGW+MSYS with the `make libzstd` command.