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Date:	Sun, 03 May 2009 14:04:20 -0400
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Xerces-C: two issues with gcc4/cygwin-1.7
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Charles Wilson wrote:

> libtool: link: g++ -O2 -pipe -o .libs/CreateDOMDocument.exe
> src/CreateDOMDocument/CreateDOMDocument.o
> ../src/.libs/libxerces-c.dll.a -L/usr/lib
> /usr/lib/gcc/i686-pc-cygwin/4.3.2/libstdc++.dll.a /usr/lib/libcurl.dll.a
> /usr/lib/libssh2.dll.a -lssl -lcrypto -lz -licuuc -licudata
> -L/usr/lib/gcc/i686-pc-cygwin/4.3.2
> Info: resolving xercesc_3_0::XMLPlatformUtils::fgMemoryManager        by
> linking to __imp___ZN11xercesc_3_016XMLPlatformUtils15fgMemoryManagerE
> (auto-import)
> Info: resolving xercesc_3_0::XMLUni::fgXercescDefaultLocale       by
> linking to __imp___ZN11xercesc_3_06XMLUni22fgXercescDefaultLocaleE
> (auto-import)
> Info: resolving std::cout  by linking to __imp___ZSt4cout (auto-import)
> Info: resolving std::cerr  by linking to __imp___ZSt4cerr
> (auto-import/usr/lib/gcc/i686-pc-cygwin/4.3.2/../../../../i686-pc-cygwin/bin/ld:
> warning: auto-importing has been activated without --enable-auto-import
> specified on the command line.
> This should work unless it involves constant data structures referencing
> symbols from auto-imported DLLs.
> src/CreateDOMDocument/CreateDOMDocument.o:CreateDOMDocument.cpp:(.gcc_except_table+0xe8):
> undefined reference to `typeinfo for xercesc_3_0::XMLException'
> src/CreateDOMDocument/CreateDOMDocument.o:CreateDOMDocument.cpp:(.gcc_except_table+0xf0):
> undefined reference to `typeinfo for xercesc_3_0::DOMException'
> collect2: ld returned 1 exit status
> )
> 
> I checked the export list from the DLL, and there are NO typeinfo
> symbols exported at all.  Does this appear to be a gcc4 bug, or is there
> something specific I need to do to cause typeinfo stuff to be exported?

Just noticed something odd. libtool transforms the giant link command
for the DLL, with hundreds of .lo files, into the following:

g++ -shared -nostdlib /usr/lib/gcc/i686-pc-cygwin/4.3.2/crtbegin.o
.libs/libxerces-c.la.lnkscript  -L/usr/lib /usr/lib/libcurl.dll.a
/usr/lib/libssh2.dll.a -lssl -lcrypto -lz -licuuc -licudata
-L/usr/lib/gcc/i686-pc-cygwin/4.3.2
-L/usr/lib/gcc/i686-pc-cygwin/4.3.2/../../..
/usr/lib/gcc/i686-pc-cygwin/4.3.2/libstdc++.dll.a -lgcc_s -lgcc_s
-lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc_s -lgcc_s
/usr/lib/gcc/i686-pc-cygwin/4.3.2/crtend.o    -o
.libs/cygxerces-c-3-0.dll -Wl,--enable-auto-image-base -Xlinker
--out-implib -Xlinker .libs/libxerces-c.dll.a
Creating library file: .libs/libxerces-c.dll.a

I've attached the link script. Could that make a difference, and cause
the typeinfo to not be exported?

--
Chuck


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INPUT (
xercesc/util/.libs/Base64.o
xercesc/util/.libs/BinFileInputStream.o
xercesc/util/.libs/BinInputStream.o
xercesc/util/.libs/BinMemInputStream.o
xercesc/util/.libs/BitSet.o
xercesc/util/.libs/DefaultPanicHandler.o
xercesc/util/.libs/EncodingValidator.o
xercesc/util/.libs/HeaderDummy.o
xercesc/util/.libs/HexBin.o
xercesc/util/.libs/KVStringPair.o
xercesc/util/.libs/Mutexes.o
xercesc/util/.libs/PanicHandler.o
xercesc/util/.libs/PlatformUtils.o
xercesc/util/.libs/PSVIUni.o
xercesc/util/.libs/QName.o
xercesc/util/regx/.libs/ASCIIRangeFactory.o
xercesc/util/regx/.libs/BlockRangeFactory.o
xercesc/util/regx/.libs/BMPattern.o
xercesc/util/regx/.libs/CharToken.o
xercesc/util/regx/.libs/ClosureToken.o
xercesc/util/regx/.libs/ConcatToken.o
xercesc/util/regx/.libs/Match.o
xercesc/util/regx/.libs/Op.o
xercesc/util/regx/.libs/OpFactory.o
xercesc/util/regx/.libs/ParenToken.o
xercesc/util/regx/.libs/ParserForXMLSchema.o
xercesc/util/regx/.libs/RangeFactory.o
xercesc/util/regx/.libs/RangeToken.o
xercesc/util/regx/.libs/RangeTokenMap.o
xercesc/util/regx/.libs/RegularExpression.o
xercesc/util/regx/.libs/RegxParser.o
xercesc/util/regx/.libs/RegxUtil.o
xercesc/util/regx/.libs/StringToken.o
xercesc/util/regx/.libs/Token.o
xercesc/util/regx/.libs/TokenFactory.o
xercesc/util/regx/.libs/UnicodeRangeFactory.o
xercesc/util/regx/.libs/UnionToken.o
xercesc/util/regx/.libs/XMLRangeFactory.o
xercesc/util/regx/.libs/XMLUniCharacter.o
xercesc/util/.libs/StringPool.o
xercesc/util/.libs/SynchronizedStringPool.o
xercesc/util/.libs/TransService.o
xercesc/util/.libs/XMemory.o
xercesc/util/.libs/XML256TableTranscoder.o
xercesc/util/.libs/XML88591Transcoder.o
xercesc/util/.libs/XMLAbstractDoubleFloat.o
xercesc/util/.libs/XMLASCIITranscoder.o
xercesc/util/.libs/XMLBigDecimal.o
xercesc/util/.libs/XMLBigInteger.o
xercesc/util/.libs/XMLChar.o
xercesc/util/.libs/XMLChTranscoder.o
xercesc/util/.libs/XMLDateTime.o
xercesc/util/.libs/XMLDouble.o
xercesc/util/.libs/XMLEBCDICTranscoder.o
xercesc/util/.libs/XMLException.o
xercesc/util/.libs/XMLFloat.o
xercesc/util/.libs/XMLIBM1047Transcoder.o
xercesc/util/.libs/XMLIBM1140Transcoder.o
xercesc/util/.libs/XMLInitializer.o
xercesc/util/.libs/XMLMsgLoader.o
xercesc/util/.libs/XMLNumber.o
xercesc/util/.libs/XMLString.o
xercesc/util/.libs/XMLStringTokenizer.o
xercesc/util/.libs/XMLUCS4Transcoder.o
xercesc/util/.libs/XMLUni.o
xercesc/util/.libs/XMLUri.o
xercesc/util/.libs/XMLURL.o
xercesc/util/.libs/XMLUTF16Transcoder.o
xercesc/util/.libs/XMLUTF8Transcoder.o
xercesc/util/.libs/XMLWin1252Transcoder.o
xercesc/dom/.libs/DOMException.o
xercesc/dom/.libs/DOMLSException.o
xercesc/dom/.libs/DOMRangeException.o
xercesc/dom/.libs/DOMXPathException.o
xercesc/dom/impl/.libs/DOMAttrImpl.o
xercesc/dom/impl/.libs/DOMAttrMapImpl.o
xercesc/dom/impl/.libs/DOMAttrNSImpl.o
xercesc/dom/impl/.libs/DOMCDATASectionImpl.o
xercesc/dom/impl/.libs/DOMCharacterDataImpl.o
xercesc/dom/impl/.libs/DOMChildNode.o
xercesc/dom/impl/.libs/DOMCommentImpl.o
xercesc/dom/impl/.libs/DOMConfigurationImpl.o
xercesc/dom/impl/.libs/DOMDeepNodeListImpl.o
xercesc/dom/impl/.libs/DOMDocumentFragmentImpl.o
xercesc/dom/impl/.libs/DOMDocumentImpl.o
xercesc/dom/impl/.libs/DOMDocumentTypeImpl.o
xercesc/dom/impl/.libs/DOMElementImpl.o
xercesc/dom/impl/.libs/DOMElementNSImpl.o
xercesc/dom/impl/.libs/DOMEntityImpl.o
xercesc/dom/impl/.libs/DOMEntityReferenceImpl.o
xercesc/dom/impl/.libs/DOMErrorImpl.o
xercesc/dom/impl/.libs/DOMImplementationImpl.o
xercesc/dom/impl/.libs/DOMImplementationListImpl.o
xercesc/dom/impl/.libs/DOMImplementationRegistry.o
xercesc/dom/impl/.libs/DOMLocatorImpl.o
xercesc/dom/impl/.libs/DOMNamedNodeMapImpl.o
xercesc/dom/impl/.libs/DOMNodeIDMap.o
xercesc/dom/impl/.libs/DOMNodeImpl.o
xercesc/dom/impl/.libs/DOMNodeIteratorImpl.o
xercesc/dom/impl/.libs/DOMNodeListImpl.o
xercesc/dom/impl/.libs/DOMNodeVector.o
xercesc/dom/impl/.libs/DOMNormalizer.o
xercesc/dom/impl/.libs/DOMNotationImpl.o
xercesc/dom/impl/.libs/DOMParentNode.o
xercesc/dom/impl/.libs/DOMProcessingInstructionImpl.o
xercesc/dom/impl/.libs/DOMRangeImpl.o
xercesc/dom/impl/.libs/DOMStringListImpl.o
xercesc/dom/impl/.libs/DOMStringPool.o
xercesc/dom/impl/.libs/DOMTextImpl.o
xercesc/dom/impl/.libs/DOMTreeWalkerImpl.o
xercesc/dom/impl/.libs/DOMTypeInfoImpl.o
xercesc/dom/impl/.libs/DOMLSSerializerImpl.o
xercesc/dom/impl/.libs/DOMLSInputImpl.o
xercesc/dom/impl/.libs/DOMLSOutputImpl.o
xercesc/dom/impl/.libs/DOMXPathExpressionImpl.o
xercesc/dom/impl/.libs/DOMXPathNSResolverImpl.o
xercesc/dom/impl/.libs/DOMXPathResultImpl.o
xercesc/dom/impl/.libs/XSDElementNSImpl.o
xercesc/framework/.libs/BinOutputStream.o
xercesc/framework/.libs/LocalFileFormatTarget.o
xercesc/framework/.libs/LocalFileInputSource.o
xercesc/framework/.libs/MemBufFormatTarget.o
xercesc/framework/.libs/MemBufInputSource.o
xercesc/framework/psvi/.libs/PSVIAttribute.o
xercesc/framework/psvi/.libs/PSVIAttributeList.o
xercesc/framework/psvi/.libs/PSVIElement.o
xercesc/framework/psvi/.libs/PSVIItem.o
xercesc/framework/psvi/.libs/XSAnnotation.o
xercesc/framework/psvi/.libs/XSAttributeDeclaration.o
xercesc/framework/psvi/.libs/XSAttributeGroupDefinition.o
xercesc/framework/psvi/.libs/XSAttributeUse.o
xercesc/framework/psvi/.libs/XSComplexTypeDefinition.o
xercesc/framework/psvi/.libs/XSElementDeclaration.o
xercesc/framework/psvi/.libs/XSFacet.o
xercesc/framework/psvi/.libs/XSIDCDefinition.o
xercesc/framework/psvi/.libs/XSModel.o
xercesc/framework/psvi/.libs/XSModelGroup.o
xercesc/framework/psvi/.libs/XSModelGroupDefinition.o
xercesc/framework/psvi/.libs/XSMultiValueFacet.o
xercesc/framework/psvi/.libs/XSNamespaceItem.o
xercesc/framework/psvi/.libs/XSNotationDeclaration.o
xercesc/framework/psvi/.libs/XSObject.o
xercesc/framework/psvi/.libs/XSParticle.o
xercesc/framework/psvi/.libs/XSSimpleTypeDefinition.o
xercesc/framework/psvi/.libs/XSTypeDefinition.o
xercesc/framework/psvi/.libs/XSValue.o
xercesc/framework/psvi/.libs/XSWildcard.o
xercesc/framework/.libs/StdInInputSource.o
xercesc/framework/.libs/StdOutFormatTarget.o
xercesc/framework/.libs/URLInputSource.o
xercesc/framework/.libs/Wrapper4DOMLSInput.o
xercesc/framework/.libs/Wrapper4InputSource.o
xercesc/framework/.libs/XMLAttDef.o
xercesc/framework/.libs/XMLAttDefList.o
xercesc/framework/.libs/XMLAttr.o
xercesc/framework/.libs/XMLBuffer.o
xercesc/framework/.libs/XMLBufferMgr.o
xercesc/framework/.libs/XMLContentModel.o
xercesc/framework/.libs/XMLDTDDescription.o
xercesc/framework/.libs/XMLElementDecl.o
xercesc/framework/.libs/XMLEntityDecl.o
xercesc/framework/.libs/XMLFormatter.o
xercesc/framework/.libs/XMLGrammarDescription.o
xercesc/framework/.libs/XMLGrammarPoolImpl.o
xercesc/framework/.libs/XMLNotationDecl.o
xercesc/framework/.libs/XMLRecognizer.o
xercesc/framework/.libs/XMLRefInfo.o
xercesc/framework/.libs/XMLSchemaDescription.o
xercesc/framework/.libs/XMLValidator.o
xercesc/internal/.libs/BinFileOutputStream.o
xercesc/internal/.libs/BinMemOutputStream.o
xercesc/internal/.libs/DGXMLScanner.o
xercesc/internal/.libs/ElemStack.o
xercesc/internal/.libs/IGXMLScanner.o
xercesc/internal/.libs/IGXMLScanner2.o
xercesc/internal/.libs/MemoryManagerImpl.o
xercesc/internal/.libs/ReaderMgr.o
xercesc/internal/.libs/SGXMLScanner.o
xercesc/internal/.libs/ValidationContextImpl.o
xercesc/internal/.libs/VecAttributesImpl.o
xercesc/internal/.libs/VecAttrListImpl.o
xercesc/internal/.libs/WFXMLScanner.o
xercesc/internal/.libs/XMLReader.o
xercesc/internal/.libs/XMLScanner.o
xercesc/internal/.libs/XMLScannerResolver.o
xercesc/internal/.libs/XProtoType.o
xercesc/internal/.libs/XSAXMLScanner.o
xercesc/internal/.libs/XSerializeEngine.o
xercesc/internal/.libs/XSObjectFactory.o
xercesc/internal/.libs/XTemplateSerializer.o
xercesc/parsers/.libs/AbstractDOMParser.o
xercesc/parsers/.libs/DOMLSParserImpl.o
xercesc/parsers/.libs/SAX2XMLFilterImpl.o
xercesc/parsers/.libs/SAX2XMLReaderImpl.o
xercesc/parsers/.libs/SAXParser.o
xercesc/parsers/.libs/XercesDOMParser.o
xercesc/sax/.libs/Dummy.o
xercesc/sax/.libs/InputSource.o
xercesc/sax/.libs/SAXException.o
xercesc/sax/.libs/SAXParseException.o
xercesc/sax2/.libs/sax2Dummy.o
xercesc/validators/common/.libs/AllContentModel.o
xercesc/validators/common/.libs/CMAny.o
xercesc/validators/common/.libs/CMBinaryOp.o
xercesc/validators/common/.libs/CMUnaryOp.o
xercesc/validators/common/.libs/ContentLeafNameTypeVector.o
xercesc/validators/common/.libs/ContentSpecNode.o
xercesc/validators/common/.libs/DFAContentModel.o
xercesc/validators/common/.libs/Grammar.o
xercesc/validators/common/.libs/GrammarResolver.o
xercesc/validators/common/.libs/MixedContentModel.o
xercesc/validators/common/.libs/SimpleContentModel.o
xercesc/validators/datatype/.libs/AbstractNumericFacetValidator.o
xercesc/validators/datatype/.libs/AbstractNumericValidator.o
xercesc/validators/datatype/.libs/AbstractStringValidator.o
xercesc/validators/datatype/.libs/AnySimpleTypeDatatypeValidator.o
xercesc/validators/datatype/.libs/AnyURIDatatypeValidator.o
xercesc/validators/datatype/.libs/Base64BinaryDatatypeValidator.o
xercesc/validators/datatype/.libs/BooleanDatatypeValidator.o
xercesc/validators/datatype/.libs/DatatypeValidator.o
xercesc/validators/datatype/.libs/DatatypeValidatorFactory.o
xercesc/validators/datatype/.libs/DateDatatypeValidator.o
xercesc/validators/datatype/.libs/DateTimeDatatypeValidator.o
xercesc/validators/datatype/.libs/DateTimeValidator.o
xercesc/validators/datatype/.libs/DayDatatypeValidator.o
xercesc/validators/datatype/.libs/DecimalDatatypeValidator.o
xercesc/validators/datatype/.libs/DoubleDatatypeValidator.o
xercesc/validators/datatype/.libs/DurationDatatypeValidator.o
xercesc/validators/datatype/.libs/ENTITYDatatypeValidator.o
xercesc/validators/datatype/.libs/FloatDatatypeValidator.o
xercesc/validators/datatype/.libs/HexBinaryDatatypeValidator.o
xercesc/validators/datatype/.libs/IDDatatypeValidator.o
xercesc/validators/datatype/.libs/IDREFDatatypeValidator.o
xercesc/validators/datatype/.libs/ListDatatypeValidator.o
xercesc/validators/datatype/.libs/MonthDatatypeValidator.o
xercesc/validators/datatype/.libs/MonthDayDatatypeValidator.o
xercesc/validators/datatype/.libs/NameDatatypeValidator.o
xercesc/validators/datatype/.libs/NCNameDatatypeValidator.o
xercesc/validators/datatype/.libs/NOTATIONDatatypeValidator.o
xercesc/validators/datatype/.libs/QNameDatatypeValidator.o
xercesc/validators/datatype/.libs/StringDatatypeValidator.o
xercesc/validators/datatype/.libs/TimeDatatypeValidator.o
xercesc/validators/datatype/.libs/UnionDatatypeValidator.o
xercesc/validators/datatype/.libs/XMLCanRepGroup.o
xercesc/validators/datatype/.libs/YearDatatypeValidator.o
xercesc/validators/datatype/.libs/YearMonthDatatypeValidator.o
xercesc/validators/DTD/.libs/DTDAttDef.o
xercesc/validators/DTD/.libs/DTDAttDefList.o
xercesc/validators/DTD/.libs/DTDElementDecl.o
xercesc/validators/DTD/.libs/DTDEntityDecl.o
xercesc/validators/DTD/.libs/DTDGrammar.o
xercesc/validators/DTD/.libs/DTDScanner.o
xercesc/validators/DTD/.libs/DTDValidator.o
xercesc/validators/DTD/.libs/XMLDTDDescriptionImpl.o
xercesc/validators/schema/.libs/ComplexTypeInfo.o
xercesc/validators/schema/.libs/GeneralAttributeCheck.o
xercesc/validators/schema/identity/.libs/FieldActivator.o
xercesc/validators/schema/identity/.libs/FieldValueMap.o
xercesc/validators/schema/identity/.libs/IC_Field.o
xercesc/validators/schema/identity/.libs/IC_Key.o
xercesc/validators/schema/identity/.libs/IC_KeyRef.o
xercesc/validators/schema/identity/.libs/IC_Selector.o
xercesc/validators/schema/identity/.libs/IC_Unique.o
xercesc/validators/schema/identity/.libs/IdentityConstraint.o
xercesc/validators/schema/identity/.libs/IdentityConstraintHandler.o
xercesc/validators/schema/identity/.libs/ValueStore.o
xercesc/validators/schema/identity/.libs/ValueStoreCache.o
xercesc/validators/schema/identity/.libs/XercesXPath.o
xercesc/validators/schema/identity/.libs/XPathMatcher.o
xercesc/validators/schema/identity/.libs/XPathMatcherStack.o
xercesc/validators/schema/identity/.libs/XPathSymbols.o
xercesc/validators/schema/.libs/NamespaceScope.o
xercesc/validators/schema/.libs/SchemaAttDef.o
xercesc/validators/schema/.libs/SchemaAttDefList.o
xercesc/validators/schema/.libs/SchemaElementDecl.o
xercesc/validators/schema/.libs/SchemaGrammar.o
xercesc/validators/schema/.libs/SchemaInfo.o
xercesc/validators/schema/.libs/SchemaSymbols.o
xercesc/validators/schema/.libs/SchemaValidator.o
xercesc/validators/schema/.libs/SubstitutionGroupComparator.o
xercesc/validators/schema/.libs/TraverseSchema.o
xercesc/validators/schema/.libs/XercesAttGroupInfo.o
xercesc/validators/schema/.libs/XercesElementWildcard.o
xercesc/validators/schema/.libs/XercesGroupInfo.o
xercesc/validators/schema/.libs/XMLSchemaDescriptionImpl.o
xercesc/validators/schema/.libs/XSDDOMParser.o
xercesc/validators/schema/.libs/XSDErrorReporter.o
xercesc/validators/schema/.libs/XSDLocator.o
xercesc/validators/schema/.libs/XUtil.o
xercesc/xinclude/.libs/XIncludeDOMDocumentProcessor.o
xercesc/xinclude/.libs/XIncludeLocation.o
xercesc/xinclude/.libs/XIncludeUtils.o
xercesc/util/NetAccessors/Curl/.libs/CurlNetAccessor.o
xercesc/util/NetAccessors/Curl/.libs/CurlURLInputStream.o
xercesc/util/Transcoders/ICU/.libs/ICUTransService.o
xercesc/util/MsgLoaders/InMemory/.libs/InMemMsgLoader.o
xercesc/util/MutexManagers/.libs/PosixMutexMgr.o
xercesc/util/FileManagers/.libs/PosixFileMgr.o
.libs/stricmp.o
.libs/strnicmp.o
)


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