Revert r257686 "With COMPILER_RT_INCLUDE_TESTS turned ON and in a cross compiling"

This broke the build. For example, from
http://lab.llvm.org:8011/builders/clang-cmake-aarch64-full/builds/1191/steps/cmake%20stage%201/logs/stdio:

	-- Compiler-RT supported architectures: aarch64
	CMake Error at projects/compiler-rt/cmake/Modules/AddCompilerRT.cmake:170 (string):
		string sub-command REPLACE requires at least four arguments.
	Call Stack (most recent call first):
		projects/compiler-rt/lib/CMakeLists.txt:4 (include)

llvm-svn: 257694

compiler-rt/cmake/Modules/AddCompilerRT.cmake

@@ -165,10 +165,7 @@ function(add_compiler_rt_runtime name type)
   endif()
 endfunction()
 
-# when cross compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help
-# in compilation and linking of unittests.
-string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS ${COMPILER_RT_TEST_COMPILER_CFLAGS})
-set(COMPILER_RT_UNITTEST_LINKFLAGS ${COMPILER_RT_UNITTEST_CFLAGS})
+set(COMPILER_RT_TEST_CFLAGS)
 
 # Unittests support.
 set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest)
@@ -180,14 +177,14 @@ set(COMPILER_RT_GTEST_CFLAGS
   -I${COMPILER_RT_GTEST_PATH}
 )
 
-append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS)
+append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_TEST_CFLAGS)
 
 if(MSVC)
   # clang doesn't support exceptions on Windows yet.
-  list(APPEND COMPILER_RT_UNITTEST_CFLAGS -D_HAS_EXCEPTIONS=0)
+  list(APPEND COMPILER_RT_TEST_CFLAGS -D_HAS_EXCEPTIONS=0)
 
   # We should teach clang to understand "#pragma intrinsic", see PR19898.
-  list(APPEND COMPILER_RT_UNITTEST_CFLAGS -Wno-undefined-inline)
+  list(APPEND COMPILER_RT_TEST_CFLAGS -Wno-undefined-inline)
 
   # Clang doesn't support SEH on Windows yet.
   list(APPEND COMPILER_RT_GTEST_CFLAGS -DGTEST_HAS_SEH=0)

compiler-rt/lib/asan/tests/CMakeLists.txt

@@ -21,7 +21,7 @@ set(ASAN_UNITTEST_HEADERS
   asan_test_utils.h)
 
 set(ASAN_UNITTEST_COMMON_CFLAGS
-  ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${COMPILER_RT_TEST_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/include
   -I${COMPILER_RT_SOURCE_DIR}/lib
@@ -34,11 +34,6 @@ set(ASAN_UNITTEST_COMMON_CFLAGS
   -Wno-non-virtual-dtor)
 append_list_if(COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG -Wno-variadic-macros ASAN_UNITTEST_COMMON_CFLAGS)
 
-# This will ensure the target linker is used
-# during cross compilation
-set(ASAN_UNITTEST_COMMON_LINKFLAGS
-  ${COMPILER_RT_UNITTEST_LINKFLAGS})
-
 # -gline-tables-only must be enough for ASan, so use it if possible.
 if(COMPILER_RT_TEST_COMPILER_ID MATCHES "Clang")
   list(APPEND ASAN_UNITTEST_COMMON_CFLAGS -gline-tables-only)

compiler-rt/lib/msan/tests/CMakeLists.txt

@@ -20,7 +20,7 @@ set(MSAN_UNITTEST_HEADERS
 set(MSAN_UNITTEST_COMMON_CFLAGS
   -nostdinc++
   -isystem ${COMPILER_RT_LIBCXX_PATH}/include
-  ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${COMPILER_RT_TEST_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/include
   -I${COMPILER_RT_SOURCE_DIR}/lib

compiler-rt/lib/sanitizer_common/tests/CMakeLists.txt

@@ -44,7 +44,7 @@ foreach(header ${SANITIZER_HEADERS})
 endforeach()
 
 set(SANITIZER_TEST_CFLAGS_COMMON
-  ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${COMPILER_RT_TEST_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/include
   -I${COMPILER_RT_SOURCE_DIR}/lib

compiler-rt/lib/tsan/tests/CMakeLists.txt

@@ -6,7 +6,7 @@ set_target_properties(TsanUnitTests PROPERTIES
 
 set(TSAN_UNITTEST_CFLAGS
   ${TSAN_CFLAGS}
-  ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${COMPILER_RT_TEST_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/lib
   -I${COMPILER_RT_SOURCE_DIR}/lib/tsan/rtl