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undefined reference, plz help
- From: "eric lin" <ericlin at fsshl dot zzn dot com>
- To: gcc-help at gcc dot gnu dot org
- Date: Wed, 8 Jun 2011 21:26:09 -0700
- Subject: undefined reference, plz help
Dear gcc programers:
what may cause compile error (on 4.5.2 or maybe not)
------
g++ pg49.cpp
/tmp/ccUvNoPf.o: In function `main':
pg49.cpp:(.text+0x42): undefined reference to `IntArray::IntArray(int*, int)'
pg49.cpp:(.text+0x5e): undefined reference to `IntArrayRC::IntArrayRC(int*, int)'
/tmp/ccUvNoPf.o: In function `IntArray::~IntArray()':
pg49.cpp:(.text._ZN8IntArrayD2Ev[_ZN8IntArrayD5Ev]+0xb): undefined reference to `vtable for IntArray'
/tmp/ccUvNoPf.o: In function `IntArrayRC::~IntArrayRC()':
pg49.cpp:(.text._ZN10IntArrayRCD2Ev[_ZN10IntArrayRCD5Ev]+0xb): undefined reference to `vtable for IntArrayRC'
collect2: ld returned 1 exit status
--------
eric /* I am happy to supply code I compiled, plz show up your private email address or email me privately */