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Re: g++ error on Solaris/Sparc undefined reference to std::cout
On 19 April 2011 13:09, Qi Zuo wrote:
>
> -bash-3.00$ /lab/home/zuoqi/gcc32/gcc-gnu-ccs/bin/g++ hello.cpp
> /var/tmp//ccDqluzK.o: In function `main':
> hello.cpp:(.text+0x20): undefined reference to `std::cout'
> hello.cpp:(.text+0x24): undefined reference to `std::cout'
> hello.cpp:(.text+0x48): undefined reference to
> `std::basic_ostream<char, std::char_traits<char>
>>::operator<<(std::basic_ostream<char, std::char_traits<char> >&
> (*)(std::basic_ostream<char, std::char_traits<char> >&))'
> collect2: ld returned 1 exit status
>
> the paths checked by -v as following
>
> -bash-3.00$ /lab/home/zuoqi/gcc32/gcc-gnu-ccs/bin/g++ hello.cpp -v
> Using built-in specs.
> COLLECT_GCC=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/bin/g++
> COLLECT_LTO_WRAPPER=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/libexec/gcc/sparc-sun-solaris2.10/4.6.0/lto-wrapper
> Target: sparc-sun-solaris2.10
> Configured with: ../gcc-4.6.0/configure ABI=32
> --prefix=/lab/home/zuoqi/gcc32/gcc-gnu-ccs --with-gnu-as
> --with-as=/usr/local/bin/as --with-gnu-ld --with-ld=/usr/local/bin/ld
> --enable-languages=c,c++,java
> --with-gmp-include=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/include
> --with-gmp-lib=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/lib
> --with-mpfr-include=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/include
> --with-mpfr-lib=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/lib
> --with-mpc-include=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/include
> --with-mpc-lib=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/lib --without-ppl
> --without-cloog --enable-plugin --enable-lto
> Thread model: posix
> gcc version 4.6.0 (GCC)
...
> LIBRARY_PATH=/lab/home/zuoqi/gcc32/gcc-gnu-ccs/lib/gcc/sparc-sun-solaris2.10/4.6.0/:/usr/ccs/lib/:/lab/home/zuoqi/gcc32/gcc-gnu-ccs/lib/gcc/sparc-sun-solaris2.10/4.6.0/../../../:/lib/:/usr/lib/
I suggest you look in these paths to find libstdc++.so and then run
'nm' on it to see if it contains the missing symbols.