demo.o: In function `COci::~COci(void)':
demo.o(.text+0xc3f): undefined reference to `COci virtual table'
demo.o(.text+0xd51): undefined reference to `CDi::~CDi(void)'
demo.o: In function `COracle::COracle(CDi *, CRuntimeClass *)':
demo.o(.text+0x2097): undefined reference to `CObject::CObject(void)'
demo.o: In function `COci::COci(void)':
demo.o(.COci::gnu.linkonce.t.(void)+0x19): undefined reference to `COci virtual
table'
demo.o(.COci::gnu.linkonce.t.(void)+0x102): undefined reference to `CDi::~CDi(vo
id)'
demo.o: In function `CResult type_info function':
demo.o(.gnu.linkonce.t.__tf7CResult+0x10): undefined reference to `CObject type_
info function'
demo.o(.gnu.linkonce.t.__tf7CResult+0x18): undefined reference to `CObject type_
info node'
demo.o: In function `COracle::~COracle(void)':
demo.o(.gnu.linkonce.t._._7COracle+0x1c): undefined reference to `CObject::~CObj
ect(void)'
demo.o: In function `COracle type_info function':
demo.o(.gnu.linkonce.t.__tf7COracle+0x10): undefined reference to `CObject type_
info function'
demo.o(.gnu.linkonce.t.__tf7COracle+0x18): undefined reference to `CObject type_
info node'
demo.o: In function `CDi::CDi(void)':
demo.o(.CDi::gnu.linkonce.t.(void)+0xf): undefined reference to `CObject::CObjec
t(void)'
demo.o(.CDi::gnu.linkonce.t.(void)+0x18): undefined reference to `CDi virtual ta
ble'
demo.o: In function `CResult::~CResult(void)':
demo.o(.gnu.linkonce.t._._7CResult+0x1c): undefined reference to `CObject::~CObj
ect(void)'
demo.o: In function `CResult::CResult(void)':
demo.o(.CResult::gnu.linkonce.t.(void)+0xf): undefined reference to `CObject::CO
bject(void)'
collect2: ld returned 1 exit status大家帮忙分析一下
demo.o(.text+0xc3f): undefined reference to `COci virtual table'
demo.o(.text+0xd51): undefined reference to `CDi::~CDi(void)'
demo.o: In function `COracle::COracle(CDi *, CRuntimeClass *)':
demo.o(.text+0x2097): undefined reference to `CObject::CObject(void)'
demo.o: In function `COci::COci(void)':
demo.o(.COci::gnu.linkonce.t.(void)+0x19): undefined reference to `COci virtual
table'
demo.o(.COci::gnu.linkonce.t.(void)+0x102): undefined reference to `CDi::~CDi(vo
id)'
demo.o: In function `CResult type_info function':
demo.o(.gnu.linkonce.t.__tf7CResult+0x10): undefined reference to `CObject type_
info function'
demo.o(.gnu.linkonce.t.__tf7CResult+0x18): undefined reference to `CObject type_
info node'
demo.o: In function `COracle::~COracle(void)':
demo.o(.gnu.linkonce.t._._7COracle+0x1c): undefined reference to `CObject::~CObj
ect(void)'
demo.o: In function `COracle type_info function':
demo.o(.gnu.linkonce.t.__tf7COracle+0x10): undefined reference to `CObject type_
info function'
demo.o(.gnu.linkonce.t.__tf7COracle+0x18): undefined reference to `CObject type_
info node'
demo.o: In function `CDi::CDi(void)':
demo.o(.CDi::gnu.linkonce.t.(void)+0xf): undefined reference to `CObject::CObjec
t(void)'
demo.o(.CDi::gnu.linkonce.t.(void)+0x18): undefined reference to `CDi virtual ta
ble'
demo.o: In function `CResult::~CResult(void)':
demo.o(.gnu.linkonce.t._._7CResult+0x1c): undefined reference to `CObject::~CObj
ect(void)'
demo.o: In function `CResult::CResult(void)':
demo.o(.CResult::gnu.linkonce.t.(void)+0xf): undefined reference to `CObject::CO
bject(void)'
collect2: ld returned 1 exit status大家帮忙分析一下
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coracle.h demo.cpp oci.cpp ociresult.o
coracle.o demo.o oci.h result.cpp
databaseinterface.cpp object.cpp oci.o result.h
databaseinterface.h object.h ociresult.cpp result.o这上面是DEMO工程的所有文件,除了demo.cpp外,其它所有的文件都是各类的.h,.cpp文件,大家都看到这些不同的文件名都已经成功编译成了 .o 文件,而在demo.cpp里用到了在其它文件里定义的类,比方说coracle.*文件里定义的COracle类,我在demo.cpp文件里已经#include "*.h"文件,所以编译通过了,但连接怎么不工呢。