[Openmp-commits] [PATCH] D97413: [OpenMP] Fix clang-cl build error regarding TSX intrinsics

[Jonathan Peyton via Phabricator via Openmp-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGe83380fccc2c: [OpenMP] Fix clang-cl build error regarding TSX intrinsics (authored by jlpeyton).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D97413/new/

https://reviews.llvm.org/D97413

Files:
  openmp/runtime/cmake/config-ix.cmake


Index: openmp/runtime/cmake/config-ix.cmake
===================================================================
--- openmp/runtime/cmake/config-ix.cmake
+++ openmp/runtime/cmake/config-ix.cmake
@@ -175,6 +175,10 @@
       }
       int main() { int a = __kmp_umwait(0, 1000); return a; }")
   check_cxx_source_compiles("${source_code}" LIBOMP_HAVE_WAITPKG_INTRINSICS)
+  set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+  if (LIBOMP_HAVE_MRTM_FLAG)
+    set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mrtm")
+  endif()
   set(source_code "// check for attribute rtm and rtm intrinsics
       #ifdef IMMINTRIN_H
       #include <immintrin.h>
@@ -191,6 +195,7 @@
       int main() { int a = __kmp_xbegin(); return a; }")
   check_cxx_source_compiles("${source_code}" LIBOMP_HAVE_RTM_INTRINSICS)
   set(CMAKE_REQUIRED_DEFINITIONS)
+  set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
 endif()
 
 # Find perl executable


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