Hahnfeld created this revision.
Herald added subscribers: mgorny, dberris, nemanjai.
TEST_BIG_ENDIAN() performs compile tests that will fail with
-nodefaultlibs when building under LLVM_USE_SANITIZER.
https://reviews.llvm.org/D38277
Files:
cmake/base-config-ix.cmake
Index: cmake/base-config-ix.cmake
===================================================================
--- cmake/base-config-ix.cmake
+++ cmake/base-config-ix.cmake
@@ -148,7 +148,14 @@
endif()
endif()
elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
+ # Strip out -nodefaultlibs when calling TEST_BIG_ENDIAN. Configuration
+ # will fail with this option when building with a sanitizer.
+ set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+ string(REPLACE "-nodefaultlibs" "" CMAKE_REQUIRED_FLAGS
${OLD_CMAKE_REQUIRED_FLAGS})
TEST_BIG_ENDIAN(HOST_IS_BIG_ENDIAN)
+ # Undo the change.
+ set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
+
if(HOST_IS_BIG_ENDIAN)
test_target_arch(powerpc64 "" "-m64")
else()
Index: cmake/base-config-ix.cmake
===================================================================
--- cmake/base-config-ix.cmake
+++ cmake/base-config-ix.cmake
@@ -148,7 +148,14 @@
endif()
endif()
elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
+ # Strip out -nodefaultlibs when calling TEST_BIG_ENDIAN. Configuration
+ # will fail with this option when building with a sanitizer.
+ set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+ string(REPLACE "-nodefaultlibs" "" CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
TEST_BIG_ENDIAN(HOST_IS_BIG_ENDIAN)
+ # Undo the change.
+ set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
+
if(HOST_IS_BIG_ENDIAN)
test_target_arch(powerpc64 "" "-m64")
else()
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