================
@@ -571,6 +571,30 @@ string(APPEND COMPILER_RT_TEST_COMPILER_CFLAGS "
${stdlib_flag}")
string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS
"${COMPILER_RT_TEST_COMPILER_CFLAGS}")
set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_CFLAGS})
+option(COMPILER_RT_TEST_STANDALONE_BUILD_LIBS
+ "When set to ON and testing in a standalone build, test the runtime \
+ libraries built by this standalone build rather than the runtime libraries \
+ shipped with the compiler (used for testing). When set to OFF and testing \
+ in a standalone build, test the runtime libraries shipped with the compiler \
+ (used for testing). This option has no effect if the compiler and this \
+ build are configured to use the same runtime library path."
+ ON)
+if (COMPILER_RT_TEST_STANDALONE_BUILD_LIBS)
+ # Ensure that the unit tests can find the sanitizer headers prior to
installation.
+ list(APPEND COMPILER_RT_UNITTEST_CFLAGS
"-I${CMAKE_CURRENT_LIST_DIR}/include")
+ # Ensure that unit tests link against the just-built runtime libraries
instead
+ # of the ones bundled with the compiler by overriding the resource directory.
+ #
+ if ("${COMPILER_RT_TEST_COMPILER_ID}" MATCHES "Clang")
+ list(APPEND COMPILER_RT_UNITTEST_LINK_FLAGS
"-resource-dir=${CMAKE_CURRENT_BINARY_DIR}")
+ endif()
+ get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir)
+ list(APPEND COMPILER_RT_UNITTEST_LINK_FLAGS "-Wl,-rpath,${output_dir}")
+endif()
+message(WARNING
"COMPILER_RT_UNITTEST_LINK_FLAGS=${COMPILER_RT_UNITTEST_LINK_FLAGS},
COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=${COMPILER_RT_TEST_STANDALONE_BUILD_LIBS}
COMPILER_RT_TEST_COMPILER_ID=${COMPILER_RT_TEST_COMPILER_ID}")
----------------
delcypher wrote:
Is this left over from debugging? This warning message doesn't seem that
helpful to a developer.
https://github.com/llvm/llvm-project/pull/83088
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