[PATCH] D40947: [cmake] Make setting of CMAKE_C(XX)_COMPILER flags overridable for cross-builds

[Pavel Labath via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL320138: [cmake] Make setting of CMAKE_C(XX)_COMPILER flags overridable for cross-builds (authored by labath).

Repository:
  rL LLVM

https://reviews.llvm.org/D40947

Files:
  llvm/trunk/cmake/modules/CrossCompile.cmake


Index: llvm/trunk/cmake/modules/CrossCompile.cmake
===================================================================
--- llvm/trunk/cmake/modules/CrossCompile.cmake
+++ llvm/trunk/cmake/modules/CrossCompile.cmake
@@ -7,10 +7,16 @@
   endif(NOT DEFINED LLVM_${target_name}_BUILD)
 
   if (EXISTS ${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake)
-    set(CROSS_TOOLCHAIN_FLAGS_${target_name} 
-        -DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\"
-        CACHE STRING "Toolchain file for ${target_name}")
+    set(CROSS_TOOLCHAIN_FLAGS_INIT
+      -DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\")
+  else()
+    set(CROSS_TOOLCHAIN_FLAGS_INIT
+      -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+      -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+      )
   endif()
+  set(CROSS_TOOLCHAIN_FLAGS_${target_name} ${CROSS_TOOLCHAIN_FLAGS_INIT}
+    CACHE STRING "Toolchain configuration for ${target_name}")
 
   if (buildtype)
     set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}")
@@ -32,8 +38,6 @@
 
   add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD}/CMakeCache.txt
     COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}"
-        -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-        -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
         ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
         -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
         -DLLVM_TARGETS_TO_BUILD=Native


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