[PATCH] D153938: [llvm-exegesis] Adjust GLIBC_INITS_RSEQ condition

[Fangrui Song via Phabricator via llvm-commits]

MaskRay updated this revision to Diff 535234.
MaskRay added a comment.

drop Compiler.h. For linux, gcc (2014) / clang have supported __has_include for very long time.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153938/new/

https://reviews.llvm.org/D153938

Files:
  llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp


Index: llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
===================================================================
--- llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
+++ llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
@@ -38,16 +38,13 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#ifdef __GLIBC__
-#if __GLIBC_MINOR__ >= 35
-#define GLIBC_INITS_RSEQ
-#endif // __GLIBC__MINOR > 35
-#endif // __GLIBC__
-
-#ifdef GLIBC_INITS_RSEQ
+#if defined(__GLIBC__) && __has_include(<sys/rseq.h>)
 #include <sys/rseq.h>
-#endif // HAS_RSEQ
-#endif // __linux__
+#ifdef RSEQ_SIG
+#define GLIBC_INITS_RSEQ
+#endif
+#endif
+#endif
 
 namespace llvm {
 namespace exegesis {


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