[PATCH] D108473: [cmake] Fix native tooling when cross-compiling on Linux

[Shoaib Meenai via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGcd1b95014121: [cmake] Fix native tooling when cross-compiling on Linux (authored by smeenai).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108473/new/

https://reviews.llvm.org/D108473

Files:
  llvm/cmake/config-ix.cmake


Index: llvm/cmake/config-ix.cmake
===================================================================
--- llvm/cmake/config-ix.cmake
+++ llvm/cmake/config-ix.cmake
@@ -692,6 +692,17 @@
 endif()
 
 function(llvm_get_host_prefixes_and_suffixes)
+  # Not all platform files will set these variables (relying on them being
+  # implicitly empty if they're unset), so unset the variables before including
+  # the platform file, to prevent any values from the target system leaking.
+  unset(CMAKE_STATIC_LIBRARY_PREFIX)
+  unset(CMAKE_STATIC_LIBRARY_SUFFIX)
+  unset(CMAKE_SHARED_LIBRARY_PREFIX)
+  unset(CMAKE_SHARED_LIBRARY_SUFFIX)
+  unset(CMAKE_IMPORT_LIBRARY_PREFIX)
+  unset(CMAKE_IMPORT_LIBRARY_SUFFIX)
+  unset(CMAKE_EXECUTABLE_SUFFIX)
+  unset(CMAKE_LINK_LIBRARY_SUFFIX)
   include(Platform/${CMAKE_HOST_SYSTEM_NAME} OPTIONAL RESULT_VARIABLE _includedFile)
   if (_includedFile)
     set(LLVM_HOST_STATIC_LIBRARY_PREFIX ${CMAKE_STATIC_LIBRARY_PREFIX} PARENT_SCOPE)


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