[all-commits] [llvm/llvm-project] f70e83: [llvm-exegesis] Don't try to use SYS_rseq if it's ...
Guillaume Chatelet via All-commits
all-commits at lists.llvm.org
Mon Aug 7 00:33:04 PDT 2023
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: f70e83af7a708a22fdde8c644ac5810223090cd4
https://github.com/llvm/llvm-project/commit/f70e83af7a708a22fdde8c644ac5810223090cd4
Author: Guillaume Chatelet <gchatelet at google.com>
Date: 2023-08-07 (Mon, 07 Aug 2023)
Changed paths:
M llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
Log Message:
-----------
[llvm-exegesis] Don't try to use SYS_rseq if it's not defined.
When compiling against recent glibc (>= 2.35) but old kernel headers (< 4.18), `SYS_rseq` is not defined and thus llvm-exegesis fails to build. So also check that `SYS_rseq` is defined before trying to use it.
Fixes https://github.com/llvm/llvm-project/issues/64456
Reviewed By: MaskRay, gchatelet
Differential Revision: https://reviews.llvm.org/D157189
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