Author: Louis Dionne Date: 2021-02-08T13:49:02-05:00 New Revision: 251f3295b498b699aa2b926167a788a6b6dbc033
URL: https://github.com/llvm/llvm-project/commit/251f3295b498b699aa2b926167a788a6b6dbc033 DIFF: https://github.com/llvm/llvm-project/commit/251f3295b498b699aa2b926167a788a6b6dbc033.diff LOG: [🍒][libc++] Fix libcxx build on 32bit architectures with 64bit time_t defaults e.g. riscv32 Patch by Khem Raj. (cherry pick of commit 85b9c5ccc172a1e61c7ecaaec4752587cb6f1e26) Differential Revision: https://reviews.llvm.org/D96062 Added: Modified: libcxx/src/atomic.cpp Removed: ################################################################################ diff --git a/libcxx/src/atomic.cpp b/libcxx/src/atomic.cpp index 6b73ed771cd1..9ae1fb5199bf 100644 --- a/libcxx/src/atomic.cpp +++ b/libcxx/src/atomic.cpp @@ -19,6 +19,12 @@ #include <linux/futex.h> #include <sys/syscall.h> +// libc++ uses SYS_futex as a universal syscall name. However, on 32 bit architectures +// with a 64 bit time_t, we need to specify SYS_futex_time64. +#if !defined(SYS_futex) && defined(SYS_futex_time64) +# define SYS_futex SYS_futex_time64 +#endif + #else // <- Add other operating systems here // Baseline needs no new headers _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
