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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Recent trunk fails to build on Mountain Lion and Mavericks using clang 3.4: libclang_rt.tsan_osx_dynamic.dylib linking fails"
href="https://llvm.org/bugs/show_bug.cgi?id=25753">25753</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Recent trunk fails to build on Mountain Lion and Mavericks using clang 3.4: libclang_rt.tsan_osx_dynamic.dylib linking fails
</td>
</tr>
<tr>
<th>Product</th>
<td>compiler-rt
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>compiler-rt
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jeremyhu@apple.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Updating from r253905 to r254705 fails on Mountain Lion and Mavericks (and
possibly others as well):
<a href="https://build.macports.org/builders/buildports-mtln-x86_64/builds/26284/steps/compile/logs/stdio/text">https://build.macports.org/builders/buildports-mtln-x86_64/builds/26284/steps/compile/logs/stdio/text</a>
<a href="https://build.macports.org/builders/buildports-mavericks-x86_64/builds/15087/steps/compile/logs/stdio/text">https://build.macports.org/builders/buildports-mavericks-x86_64/builds/15087/steps/compile/logs/stdio/text</a>
On Mountain Lion, we were using OSS clang 3.4. On Mavericks, we were using
Xcode 6.2 (clang 600.0.57). The failure is in linking
libclang_rt.tsan_osx_dynamic.dylib
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
-pipe -Os -arch x86_64 -stdlib=libc++ -fPIC -fvisibility-inlines-hidden -Wall
-W -Wno-unused-parameter -Wwrite-strings -Wcast-qual
-Wmissing-field-initializers -pedantic -Wno-long-long -Wcovered-switch-default
-std=c++11 -Wall -std=c++11 -g -arch x86_64 -arch x86_64h -dynamiclib
-Wl,-headerpad_max_install_names -stdlib=libc++ -lc++ -lc++abi
-mmacosx-version-min=10.9 -isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk
-L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-rpath,@loader_path
-arch x86_64 -o
../../../../lib/clang/3.8.0/lib/darwin/libclang_rt.tsan_osx_dynamic.dylib
-install_name @rpath/libclang_rt.tsan_osx_dynamic.dylib
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_clock.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_flags.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_fd.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_ignoreset.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_interceptors.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_interface_ann.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_interface_atomic.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_interface.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_interface_java.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_malloc_mac.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_md5.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_mman.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_mutex.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_mutexset.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_report.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_rtl.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_rtl_mutex.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_rtl_report.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_rtl_thread.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_stack_trace.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_stat.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_suppressions.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_symbolize.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_sync.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_interceptors_mac.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_libdispatch_mac.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_platform_mac.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_platform_posix.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_new_delete.cc.o
CMakeFiles/clang_rt.tsan_osx_dynamic.dir/rtl/tsan_rtl_amd64.S.o
../interception/CMakeFiles/RTInterception.osx.dir/interception_linux.cc.o
../interception/CMakeFiles/RTInterception.osx.dir/interception_mac.cc.o
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../sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_libignore.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_linux.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_mac.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_persistent_allocator.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_platform_limits_linux.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_platform_limits_posix.cc.o
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../sanitizer_common/CMakeFiles/RTSanitizerCommonLibc.osx.dir/sanitizer_stoptheworld_linux_libcdep.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommonLibc.osx.dir/sanitizer_symbolizer_libcdep.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommonLibc.osx.dir/sanitizer_symbolizer_posix_libcdep.cc.o
../sanitizer_common/CMakeFiles/RTSanitizerCommonLibc.osx.dir/sanitizer_unwind_linux_libcdep.cc.o
../ubsan/CMakeFiles/RTUbsan.osx.dir/ubsan_diag.cc.o
../ubsan/CMakeFiles/RTUbsan.osx.dir/ubsan_init.cc.o
../ubsan/CMakeFiles/RTUbsan.osx.dir/ubsan_flags.cc.o
../ubsan/CMakeFiles/RTUbsan.osx.dir/ubsan_handlers.cc.o
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../ubsan/CMakeFiles/RTUbsan.osx.dir/ubsan_handlers_cxx.cc.o
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../ubsan/CMakeFiles/RTUbsan.osx.dir/ubsan_type_hash_win.cc.o
-Wl,-rpath,@executable_path/../lib
Undefined symbols for architecture x86_64:
"___sync_fetch_and_add_16", referenced from:
___tsan_atomic128_fetch_add in tsan_interface_atomic.cc.o
"___sync_fetch_and_and_16", referenced from:
___tsan_atomic128_fetch_and in tsan_interface_atomic.cc.o
"___sync_fetch_and_or_16", referenced from:
___tsan_atomic128_fetch_or in tsan_interface_atomic.cc.o
"___sync_fetch_and_sub_16", referenced from:
___tsan_atomic128_fetch_sub in tsan_interface_atomic.cc.o
"___sync_fetch_and_xor_16", referenced from:
___tsan_atomic128_fetch_xor in tsan_interface_atomic.cc.o
"___sync_lock_test_and_set_16", referenced from:
___tsan_atomic128_exchange in tsan_interface_atomic.cc.o
...</pre>
</div>
</p>
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