[webkit-dev] build-webkit stopped working for me

Maciej Stachowiak mjs at apple.com
Sun Oct 21 14:17:29 PDT 2012 

Apple did not ship the last release of Safari to SnowLeopard and we have no plans to maintain SnowLeopard support on trunk. We haven't actively ripped out SL-specific ifdefs because we were under the impression that the Chromium port still targets SL and sometimes uses Mac code paths.

That being said, the failures below look like compiler issues and may be fixable by updating to a newer toolchain.

Cheers,
Maciej


On Oct 21, 2012, at 12:34 PM, Eric Seidel <eric at webkit.org> wrote:

> Is Snow Leopard deprecated?
> 
> Dave (WebKit's MathML guy) is reporting trouble building the Apple Mac
> port on Snow Leopard.  We don't seem to have a Snow Leopard bot on:
> http://build.webkit.org/console?category=AppleMac
> so it seems totally concievable that it's broken.
> 
> If it is deprecated, I'm happy to post patches to remove support. :)
> 
> 
> ---------- Forwarded message ----------
> From: Dave Barton <dbarton at mathscribe.com>
> 
> I'm sorry to bug you guys, but I don't know who else to ask. After my
> last update-webkit, build-webkit --debug doesn't work for me. I tried
> asking in IRC but got no response.
> 
> Below is some sample output. The script actually dies after failing to
> compile 7 files in JavaScriptCore:
> runtime/InitializeThreading.cpp runtime/Options.cpp
> heap/GCThreadSharedData.cpp heap/SlotVisitor.cpp heap/Heap.cpp
> heap/HeapStatistics.cpp heap/GCThread.cpp
> 
> I am running on Snow Leopard, to try to stay compatible with another
> project (job). Has WebKit stopped supporting that for development? I
> haven't seen any notice on webkit-dev e-mail. I notice that on
> http://build.chromium.org/p/chromium.webkit/console the Mac OS 10.6
> bots are failing, but they're failing tests not compiles.
> 
> All 7 compile failures are at the same place, so I've included 2 below
> that together show how all 7 fail. At
> /usr/include/c++/4.2.1/bits/locale_classes.h:411,
> std::locale::facet::_M_remove_reference() (an internal C++ standard
> library function) does a try/catch, but the gcc-4.2 command includes
> -fno-exceptions. Do I need a later gcc (C++ standard library)? Is
> there a way to find out what WebKit supports/requires, or what the
> bots are using?
> 
> Thanks very much for any help or pointers. If there's someone better
> for me to ask, please let me know.
> 
> Take care, Dave B.
> 
> === BUILD NATIVE TARGET JavaScriptCore OF PROJECT JavaScriptCore WITH
> CONFIGURATION Debug ===
> Check dependencies
> ProcessInfoPlistFile
> /Users/drb/devel/WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/Resources/Info.plist
> Info.plist
>    cd /Users/drb/devel/WebKit/Source/JavaScriptCore
>    builtin-infoPlistUtility Info.plist -expandbuildsettings -platform
> macosx -o /Users/drb/devel/WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/Resources/Info.plist
> 
> CompileC /Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/Objects-normal/x86_64/Heap.o
> heap/Heap.cpp normal x86_64 c++ com.apple.compilers.gcc.4_2
>    cd /Users/drb/devel/WebKit/Source/JavaScriptCore
>    setenv LANG en_US.US-ASCII
>    /Developer/usr/bin/gcc-4.2 -x c++ -arch x86_64 -fmessage-length=0
> -pipe -Wno-trigraphs -fno-exceptions -fno-rtti -fpascal-strings
> -fasm-blocks -O0 -Werror -Wmissing-prototypes -Wnon-virtual-dtor
> -Wsign-compare -Wnewline-eof -DHAVE_DTRACE=1
> -DWEBKIT_VERSION_MIN_REQUIRED=WEBKIT_VERSION_LATEST
> -DHAVE_HEADER_DETECTION_H -fstrict-aliasing -fvisibility=hidden
> -fvisibility-inlines-hidden -fno-threadsafe-statics
> -mmacosx-version-min=10.6 -gdwarf-2
> -I/Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/JavaScriptCore.hmap
> -Wall -Wextra -Wcast-qual -Wchar-subscripts -Wextra-tokens -Wformat=2
> -Winit-self -Wmissing-format-attribute -Wmissing-noreturn -Wpacked
> -Wpointer-arith -Wredundant-decls -Wundef -Wwrite-strings
> -F/Users/drb/devel/WebKit/WebKitBuild/Debug
> -I/Users/drb/devel/WebKit/WebKitBuild/Debug/include
> -I/Users/drb/devel/WebKit/WebKitBuild/Debug/DerivedSources/JavaScriptCore
> -I. -Iicu -I/Users/drb/devel/WebKit/WebKitBuild/Debug/usr/local/include
> -I/Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/DerivedSources/x86_64
> -I/Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/DerivedSources
> -include /var/folders/RC/RCYcW-YGHj0lsQvZo63kAk+++TM/-Caches-/com.apple.Xcode.502/SharedPrecompiledHeaders/JavaScriptCorePrefix-eomldsaqazlgrmgzqddxqhcetggy/JavaScriptCorePrefix.h
> -c /Users/drb/devel/WebKit/Source/JavaScriptCore/heap/Heap.cpp -o
> /Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/Objects-normal/x86_64/Heap.o
> 
> In file included from /usr/include/c++/4.2.1/bits/ios_base.h:47,
>                 from /usr/include/c++/4.2.1/ios:48,
>                 from /usr/include/c++/4.2.1/ostream:45,
>                 from /usr/include/c++/4.2.1/iterator:70,
>                 from
> /Users/drb/devel/WebKit/WebKitBuild/Debug/usr/local/include/wtf/Deque.h:36,
>                 from
> /Users/drb/devel/WebKit/Source/JavaScriptCore/heap/HeapStatistics.h:29,
>                 from
> /Users/drb/devel/WebKit/Source/JavaScriptCore/heap/Heap.cpp:31:
> /usr/include/c++/4.2.1/bits/locale_classes.h: In member function 'void
> std::locale::facet::_M_remove_reference() const':
> /usr/include/c++/4.2.1/bits/locale_classes.h:411: error: exception
> handling disabled, use -fexceptions to enable
> 
> CompileC /Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/Objects-normal/x86_64/GCThreadSharedData.o
> heap/GCThreadSharedData.cpp normal x86_64 c++
> com.apple.compilers.gcc.4_2
>    cd /Users/drb/devel/WebKit/Source/JavaScriptCore
>    setenv LANG en_US.US-ASCII
>    /Developer/usr/bin/gcc-4.2 -x c++ -arch x86_64 -fmessage-length=0
> -pipe -Wno-trigraphs -fno-exceptions -fno-rtti -fpascal-strings
> -fasm-blocks -O0 -Werror -Wmissing-prototypes -Wnon-virtual-dtor
> -Wsign-compare -Wnewline-eof -DHAVE_DTRACE=1
> -DWEBKIT_VERSION_MIN_REQUIRED=WEBKIT_VERSION_LATEST
> -DHAVE_HEADER_DETECTION_H -fstrict-aliasing -fvisibility=hidden
> -fvisibility-inlines-hidden -fno-threadsafe-statics
> -mmacosx-version-min=10.6 -gdwarf-2
> -I/Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/JavaScriptCore.hmap
> -Wall -Wextra -Wcast-qual -Wchar-subscripts -Wextra-tokens -Wformat=2
> -Winit-self -Wmissing-format-attribute -Wmissing-noreturn -Wpacked
> -Wpointer-arith -Wredundant-decls -Wundef -Wwrite-strings
> -F/Users/drb/devel/WebKit/WebKitBuild/Debug
> -I/Users/drb/devel/WebKit/WebKitBuild/Debug/include
> -I/Users/drb/devel/WebKit/WebKitBuild/Debug/DerivedSources/JavaScriptCore
> -I. -Iicu -I/Users/drb/devel/WebKit/WebKitBuild/Debug/usr/local/include
> -I/Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/DerivedSources/x86_64
> -I/Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/DerivedSources
> -include /var/folders/RC/RCYcW-YGHj0lsQvZo63kAk+++TM/-Caches-/com.apple.Xcode.502/SharedPrecompiledHeaders/JavaScriptCorePrefix-eomldsaqazlgrmgzqddxqhcetggy/JavaScriptCorePrefix.h
> -c /Users/drb/devel/WebKit/Source/JavaScriptCore/heap/GCThreadSharedData.cpp
> -o /Users/drb/devel/WebKit/WebKitBuild/JavaScriptCore.build/Debug/JavaScriptCore.build/Objects-normal/x86_64/GCThreadSharedData.o
> 
> In file included from /usr/include/c++/4.2.1/bits/ios_base.h:47,
>                 from /usr/include/c++/4.2.1/ios:48,
>                 from /usr/include/c++/4.2.1/ostream:45,
>                 from /usr/include/c++/4.2.1/iterator:70,
>                 from
> /Users/drb/devel/WebKit/WebKitBuild/Debug/usr/local/include/wtf/Deque.h:36,
>                 from
> /Users/drb/devel/WebKit/Source/JavaScriptCore/heap/GCThread.h:30,
>                 from
> /Users/drb/devel/WebKit/Source/JavaScriptCore/heap/GCThreadSharedData.cpp:31:
> /usr/include/c++/4.2.1/bits/locale_classes.h: In member function 'void
> std::locale::facet::_M_remove_reference() const':
> /usr/include/c++/4.2.1/bits/locale_classes.h:411: error: exception
> handling disabled, use -fexceptions to enable
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