[PATCH] D103950: [compiler-rt] Allow setting compilers for unit tests

[Eugene Leviant via Phabricator via llvm-commits]

evgeny777 created this revision.
evgeny777 added reviewers: beanz, eugenis, dangyi, daltenty, rnk.
Herald added subscribers: mgorny, dberris.
evgeny777 requested review of this revision.

For in-tree cross compilations compiler-rt chooses compilers built for target platform and fails to compile when host and target architectures do not match.


https://reviews.llvm.org/D103950

Files:
  compiler-rt/cmake/base-config-ix.cmake


Index: compiler-rt/cmake/base-config-ix.cmake
===================================================================
--- compiler-rt/cmake/base-config-ix.cmake
+++ compiler-rt/cmake/base-config-ix.cmake
@@ -58,10 +58,14 @@
   else()
     set(_host_executable_suffix ${CMAKE_EXECUTABLE_SUFFIX})
   endif()
-  set(COMPILER_RT_TEST_COMPILER
-    ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang${_host_executable_suffix})
-  set(COMPILER_RT_TEST_CXX_COMPILER
-    ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++${_host_executable_suffix})
+  if (NOT COMPILER_RT_TEST_COMPILER)
+    set(COMPILER_RT_TEST_COMPILER
+      ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang${_host_executable_suffix})
+  endif()
+  if (NOT COMPILER_RT_TEST_CXX_COMPILER)
+    set(COMPILER_RT_TEST_CXX_COMPILER
+      ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++${_host_executable_suffix})
+  endif()
 else()
     # Take output dir and install path from the user.
   set(COMPILER_RT_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH


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