Bug 205150 – 2.26.2: isn't LTO ready

• Status: RESOLVED
• Resolution: WORKSFORME
• Component: WPE WebKit

[Tomasz Kłoczko]

Looks like linking fails when LTO is used.
If you wish I can attach full build log but here is last part where linking is failing.


[ 36%] Building CXX object Source/JavaScriptCore/shell/CMakeFiles/jsc.dir/__/jsc.cpp.o
cd /home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/Source/JavaScriptCore/shell && /usr/bin/g++  -DBUILDING_WITH_CMAKE=1 -DBUILDING_WPE__=1 -DBUILDING_jsc -DBWRAP_EXECUTABLE=\"/usr/bin/bwrap\" -DDBUS_PROXY_EXECUTABLE=\"/usr/bin/xdg-dbus-proxy\" -DGETTEXT_PACKAGE=\"WPE\" -DHAVE_CONFIG_H=1 -DJSC_COMPILATION -DJSC_GLIB_API_ENABLED -DPKGLIBDIR=\"/usr/lib64/wpe-webkit-1.0\" -DSTATICALLY_LINKED_WITH_JavaScriptCore -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/ForwardingHeaders -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/API -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/assembler -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/b3 -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/b3/air -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/bindings -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/builtins -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/bytecode -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/bytecompiler -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/dfg -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/disassembler -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/disassembler/ARM64 -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/disassembler/udis86 -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/domjit -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/ftl -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/heap -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/debugger -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/inspector -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/inspector/agents -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/inspector/augmentable -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/inspector/remote -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/jit -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/llint -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/parser -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/profiler -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/tools -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/wasm -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/wasm/js -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/yarr -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/JavaScriptCore -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/JavaScriptCore/inspector -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/JavaScriptCore/runtime -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/JavaScriptCore/yarr -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/ForwardingHeaders/JavaScriptCore/glib -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources/JavaScriptCore/javascriptcorewpe/jsc -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/API/glib -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/DerivedSources -I/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/ThirdParty  -Wextra -Wall -Wno-expansion-to-defined -Wno-psabi -Wno-noexcept-type -Wno-maybe-uninitialized -Wwrite-strings -Wundef -Wpointer-arith -Wmissing-format-attribute -Wformat-security -Wcast-align -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none -fno-strict-aliasing -fno-exceptions -fno-rtti -DNDEBUG -fPIE   -std=c++17 -o CMakeFiles/jsc.dir/__/jsc.cpp.o -c /home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/jsc.cpp
[ 36%] Linking CXX executable ../../../bin/jsc
cd /home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu/Source/JavaScriptCore/shell && /usr/bin/cmake -E cmake_link_script CMakeFiles/jsc.dir/link.txt --verbose=1
/usr/bin/g++  -Wextra -Wall -Wno-expansion-to-defined -Wno-psabi -Wno-noexcept-type -Wno-maybe-uninitialized -Wwrite-strings -Wundef -Wpointer-arith -Wmissing-format-attribute -Wformat-security -Wcast-align -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none -fno-strict-aliasing -fno-exceptions -fno-rtti -DNDEBUG  -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -flto=auto -flto-partition=none -fuse-linker-plugin -fuse-ld=gold -Wl,--disable-new-dtags CMakeFiles/jsc.dir/__/jsc.cpp.o  -o ../../../bin/jsc  -ldl /usr/lib64/libglib-2.0.so /usr/lib64/libgmodule-2.0.so ../../../lib/libJavaScriptCore.a /usr/lib64/libgmodule-2.0.so ../../../lib/libWTF.a ../../../lib/libbmalloc.a /usr/lib64/libicudata.so /usr/lib64/libicui18n.so /usr/lib64/libicuuc.so -ldl -lpthread /usr/lib64/libgio-2.0.so /usr/lib64/libgobject-2.0.so /usr/lib64/libglib-2.0.so /usr/lib64/libz.so 
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/VMTraps.cpp:57: warning: type 'struct SignalContext' violates the C++ One Definition Rule [-Wodr]
   57 | struct SignalContext {
      | 
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/tools/SigillCrashAnalyzer.cpp:181: note: a different type is defined in another translation unit
  181 | struct SignalContext {
      | 
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/VMTraps.cpp:75: note: the first difference of corresponding definitions is field 'registers'
   75 |     PlatformRegisters& registers;
      | 
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/tools/SigillCrashAnalyzer.cpp:186: note: a field with different name is defined in another translation unit
  186 |     MacroAssemblerCodePtr<PlatformRegistersPCPtrTag> machinePC;
      | 
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter/CallFrame.cpp:219: error: undefined reference to 'vmEntryRecord'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter/CallFrame.cpp:351: error: undefined reference to 'vmEntryRecord'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/llint/LLIntData.cpp:65: error: undefined reference to 'llint_entry'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/VMTraps.cpp:107: error: undefined reference to 'llintPCRangeStart'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/VMTraps.cpp:107: error: undefined reference to 'llintPCRangeEnd'
/usr/include/bits/string_fortified.h:34: error: undefined reference to 'llintPCRangeStart'
/usr/include/bits/string_fortified.h:34: error: undefined reference to 'llintPCRangeEnd'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/SamplingProfiler.cpp:246: error: undefined reference to 'llintPCRangeStart'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/SamplingProfiler.cpp:246: error: undefined reference to 'llintPCRangeEnd'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter/EntryFrame.h:38: error: undefined reference to 'vmEntryRecord'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter/EntryFrame.h:38: error: undefined reference to 'vmEntryRecord'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/runtime/VM.cpp:1157: error: undefined reference to 'sanitizeStackForVMImpl'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/jit/JITCodeInlines.h:38: error: undefined reference to 'vmEntryToJavaScript'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter/Interpreter.cpp:976: error: undefined reference to 'vmEntryToNative'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/jit/JITCodeInlines.h:38: error: undefined reference to 'vmEntryToJavaScript'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/interpreter/Interpreter.cpp:906: error: undefined reference to 'vmEntryToNative'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/jit/JITCodeInlines.h:38: error: undefined reference to 'vmEntryToJavaScript'
/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/Source/JavaScriptCore/wasm/WasmAirIRGenerator.cpp:1307: error: undefined reference to 'vmEntryToJavaScript'
collect2: error: ld returned 1 exit status
make[2]: *** [Source/JavaScriptCore/shell/CMakeFiles/jsc.dir/build.make:100: bin/jsc] Error 1
make[2]: Leaving directory '/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu'
make[1]: *** [CMakeFiles/Makefile2:774: Source/JavaScriptCore/shell/CMakeFiles/jsc.dir/all] Error 2
make[1]: Leaving directory '/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu'
make: *** [Makefile:155: all] Error 2
make: Leaving directory '/home/tkloczko/rpmbuild/BUILD/wpewebkit-2.26.2/x86_64-redhat-linux-gnu'
error: Bad exit status from /var/tmp/rpm-tmp.KGsfZR (%build)


I'm building everything with:

+ cd wpewebkit-2.26.2
+ export 'CFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none'
+ CFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none'
+ export 'CXXFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none'
+ CXXFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none'
+ export 'FFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules -flto=auto -flto-partition=none'
+ FFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules -flto=auto -flto-partition=none'
+ export 'FCFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules -flto=auto -flto-partition=none'
+ FCFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules -flto=auto -flto-partition=none'
+ export 'LDFLAGS=-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -flto=auto -flto-partition=none -fuse-linker-plugin'
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -flto=auto -flto-partition=none -fuse-linker-plugin'
+ export AR=/usr/bin/gcc-ar RANLIB=/usr/bin/gcc-ranlib NM=/usr/bin/gcc-nm
+ AR=/usr/bin/gcc-ar
+ RANLIB=/usr/bin/gcc-ranlib
+ NM=/usr/bin/gcc-nm
+ export CC=gcc CXX=g++
+ CC=gcc
+ CXX=g++
+ /usr/bin/cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_AR=/usr/bin/gcc-ar -DCMAKE_C_FLAGS_RELEASE=-DNDEBUG -DCMAKE_CXX_FLAGS_RELEASE=-DNDEBUG -DCMAKE_Fortran_FLAGS_RELEASE=-DNDEBUG -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_NM=/usr/bin/gcc-nm -DCMAKE_RANLIB=/usr/bin/gcc-ranlib -DCMAKE_VERBOSE_MAKEFILE=ON -DINCLUDE_INSTALL_DIR=/usr/include -DLIB_INSTALL_DIR=/usr/lib64 -DLIB_SUFFIX=64 -DSHARE_INSTALL_PREFIX=/usr/share -DSYSCONF_INSTALL_DIR=/etc . -Bx86_64-redhat-linux-gnu -DPORT=WPE -DCMAKE_BUILD_TYPE=Release -DENABLE_MINIBROWSER=ON

[Tomasz Kłoczko]

Just for the test successfully finished building wpewebkit with disabled LTO.

[Michael Catanzaro]

Should be fixed nowadays.