I recently tried to install gcc 3.4.4 in parallel to the 3.3.3
installation I already had (under Cygwin). I built gcc 3.4.4 with
--prefix=/usr/local and --program-suffix=-3.4.4
However, after "make install", building the project I'm working on with
gcc 3.3.3 didn't work anymore. I'm getting numerous "undefined
reference" errors during linking. Compiling with gcc 3.4.4 doesn't work
either, but that's more because of problems with my source code. Even
after removing all traces of gcc 3.4.4 (I believe) and using Cygwin's
installation program to reinstall gcc 3.3.3, I still get the same
errors. Compiling simple tests works fine, however.
Here is an example of the top of the error output:
convert.o: In function
`_ZSt9sort_heapIN9__gnu_cxx17__normal_iteratorIPN3MMN7KD_TreeILj3EE7KD_NodeESt6vectorIS5_SaIS5_EEEENS4_10Compare_IDEEvT_SC_T0_':
/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x1f2): undefined
reference to `std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_empty_rep_storage'
/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x1f7): undefined
reference to `std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_empty_rep_storage'
/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x769): undefined
reference to `std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_empty_rep_storage'
/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x76e): undefined
reference to `std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_empty_rep_storage'
/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x977): undefined
reference to `std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_empty_rep_storage'
convert.o:/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x97c): more
undefined references to `std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_empty_rep_storage' follow
convert.o: In function
`_ZSt9sort_heapIN9__gnu_cxx17__normal_iteratorIPN3MMN7KD_TreeILj3EE7KD_NodeESt6vectorIS5_SaIS5_EEEENS4_10Compare_IDEEvT_SC_T0_':
/usr/include/c++/3.3.3/bits/stl_heap.h:(.text+0x1138): undefined
reference to `std::__default_alloc_template<(bool)1,
(int)0>::deallocate(void*, unsigned)'
...
Right now I don't really know what else to do. Do the error messages
above give any insight as to what I could do to make it work again?
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