[CMake] Flag recursive cmake invocations for cross-compile

[oota-llvm.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3518a68ac52d90b12b92af0101d772a3e1d83f8b..dac209765a89802f7faff9f2e2edc77599885670 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -560,6 +560,10 @@ include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
 if(LLVM_USE_HOST_TOOLS)
   include(CrossCompile)
 endif(LLVM_USE_HOST_TOOLS)
+if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
+# Dummy use to avoid CMake Wraning: Manually-specified variables were not used
+# (this is a variable that CrossCompile sets on recursive invocations)
+endif()
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
   # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM