[Openmp-commits] [PATCH] D128129: [libomptarget]Add a trap for external omptarget from LLVM

Ye Luo via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Sat Jun 18 19:10:02 PDT 2022


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG54b45afb599a: [libomptarget]Add a trap for external omptarget from LLVM (authored by ye-luo).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128129/new/

https://reviews.llvm.org/D128129

Files:
  openmp/libomptarget/DeviceRTL/CMakeLists.txt
  openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake


Index: openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake
===================================================================
--- openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake
+++ openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake
@@ -32,6 +32,10 @@
   list(APPEND LIBOMPTARGET_LLVM_INCLUDE_DIRS ${LLVM_INCLUDE_DIRS})
   list(APPEND CMAKE_MODULE_PATH ${LLVM_CMAKE_DIR})
   include(AddLLVM)
+  if(TARGET omptarget)
+    message(FATAL_ERROR "CMake target 'omptarget' already exists. "
+                        "Use an LLVM installation that doesn't expose its 'omptarget' target.")
+  endif()
 else()
   # Note that OPENMP_STANDALONE_BUILD is FALSE, when
   # openmp is built with -DLLVM_ENABLE_RUNTIMES="openmp" vs
Index: openmp/libomptarget/DeviceRTL/CMakeLists.txt
===================================================================
--- openmp/libomptarget/DeviceRTL/CMakeLists.txt
+++ openmp/libomptarget/DeviceRTL/CMakeLists.txt
@@ -20,6 +20,7 @@
 
 if (LLVM_DIR)
   # Builds that use pre-installed LLVM have LLVM_DIR set.
+  # A standalone or LLVM_ENABLE_RUNTIMES=openmp build takes this route
   find_program(CLANG_TOOL clang PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH)
   find_program(LINK_TOOL llvm-link PATHS ${LLVM_TOOLS_BINARY_DIR}
     NO_DEFAULT_PATH)
@@ -32,6 +33,7 @@
   endif()
 elseif (LLVM_TOOL_CLANG_BUILD AND NOT CMAKE_CROSSCOMPILING AND NOT OPENMP_STANDALONE_BUILD)
   # LLVM in-tree builds may use CMake target names to discover the tools.
+  # A LLVM_ENABLE_PROJECTS=openmp build takes this route
   set(CLANG_TOOL $<TARGET_FILE:clang>)
   set(LINK_TOOL $<TARGET_FILE:llvm-link>)
   set(OPT_TOOL $<TARGET_FILE:opt>)


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