[cmake] Pass through the cmake_3_2_USES_TERMINAL variable so we get progress...

[cmake] Pass through the cmake_3_2_USES_TERMINAL variable so we get progress bars on an external compiler-rt build

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@262336 91177308-0d34-0410-b5e6-96231b3b80d8

runtime/CMakeLists.txt

@@ -79,6 +79,7 @@ if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/)
                -DCOMPILER_RT_INSTALL_PATH:STRING=lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}
                -DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
                -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
+               -Dcmake_3_2_USES_TERMINAL=${cmake_3_2_USES_TERMINAL}
                ${COMPILER_RT_PASSTHROUGH_VARIABLES}
     INSTALL_COMMAND ""
     STEP_TARGETS configure build