[PATCH] D98861: [CMAKE] Fix cross-compilation build

[Vladislav Vinogradov via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG94470777af8b: [CMAKE] Fix cross-compilation build (authored by vinograd47).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D98861/new/

https://reviews.llvm.org/D98861

Files:
  llvm/CMakeLists.txt
  llvm/cmake/modules/GetErrcMessages.cmake


Index: llvm/cmake/modules/GetErrcMessages.cmake
===================================================================
--- llvm/cmake/modules/GetErrcMessages.cmake
+++ llvm/cmake/modules/GetErrcMessages.cmake
@@ -4,6 +4,11 @@
 # Messages are semi colon separated.
 # Keep amount, order and tested error codes in sync with llvm/utils/lit/lit/llvm/config.py.
 function(get_errc_messages outvar)
+    if(CMAKE_CROSSCOMPILING AND NOT CMAKE_CROSSCOMPILING_EMULATOR AND NOT DEFINED errc_exit_code)
+        set(${outvar} "" PARENT_SCOPE)
+        message(STATUS "Can't get errc messages in cross-compilation mode")
+        return()
+    endif()
 
     set(errc_test_code ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/getErrc.cpp)
 
Index: llvm/CMakeLists.txt
===================================================================
--- llvm/CMakeLists.txt
+++ llvm/CMakeLists.txt
@@ -507,9 +507,6 @@
 endif()
 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
 
-include(GetErrcMessages)
-get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
-
 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
 if( WIN32 AND NOT CYGWIN )
   set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
@@ -762,6 +759,11 @@
 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
 
+if(LLVM_INCLUDE_TESTS)
+  include(GetErrcMessages)
+  get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
+endif()
+
 # For up-to-date instructions for installing the Tensorflow dependency, refer to
 # the bot setup script: https://github.com/google/ml-compiler-opt/blob/master/buildbot/buildbot_init.sh
 # In this case, the latest C API library is available for download from


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