All examples (or other programs) fail to link on FreeBSD with errors like the ones below:
$ nice gmake accumulate
gcc accumulate.o -o accumulate -L/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib -lstd11s -lsupc++ -lm
/usr/lib/libsupc++.a(new_handler.o)(.text._ZNSt9bad_allocD1Ev+0x0): In function `std::bad_alloc::~bad_alloc()':
: multiple definition of `std::bad_alloc::~bad_alloc()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(memory.o)(.text+0x6d0):/house/sebor/stdcxx-2007-03-30-r524321/src/memory.cpp:301: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt9bad_allocD1Ev' changed from 192 in /usr/lib/libsupc+
.a(new_handler.o) to 96 in /usr/lib/libsupc+.a(new_handler.o)
/usr/lib/libsupc++.a(new_handler.o)(.text._ZNSt9bad_allocD0Ev+0x0): In function `std::bad_alloc::~bad_alloc()':
: multiple definition of `std::bad_alloc::~bad_alloc()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(memory.o)(.text+0x790):/house/sebor/stdcxx-2007-03-30-r524321/src/memory.cpp:301: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt9bad_allocD0Ev' changed from 192 in /usr/lib/libsupc+
.a(new_handler.o) to 112 in /usr/lib/libsupc+.a(new_handler.o)
/usr/lib/libsupc++.a(new_handler.o)(.text._ZNSt9bad_allocD2Ev+0x0): In function `std::bad_alloc::~bad_alloc()':
: multiple definition of `std::bad_alloc::~bad_alloc()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(memory.o)(.text+0x610):/house/sebor/stdcxx-2007-03-30-r524321/src/memory.cpp:301: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt9bad_allocD2Ev' changed from 192 in /usr/lib/libsupc+
.a(new_handler.o) to 96 in /usr/lib/libsupc+.a(new_handler.o)
/usr/lib/libsupc++.a(eh_exception.o)(.text._ZNSt9exceptionD1Ev+0x0): In function `std::exception::~exception()':
: multiple definition of `std::exception::~exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x210):/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:323: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt9exceptionD1Ev' changed from 176 in /usr/lib/libsupc+
.a(eh_exception.o) to 48 in /usr/lib/libsupc+.a(eh_exception.o)
/usr/lib/libsupc++.a(eh_exception.o)(.text._ZNSt9exceptionD0Ev+0x0): In function `std::exception::~exception()':
: multiple definition of `std::exception::~exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x2c0):/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:323: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt9exceptionD0Ev' changed from 176 in /usr/lib/libsupc+
.a(eh_exception.o) to 96 in /usr/lib/libsupc+.a(eh_exception.o)
/usr/lib/libsupc++.a(eh_exception.o)(.text._ZNSt13bad_exceptionD1Ev+0x0): In function `std::bad_exception::~bad_exception()':
: multiple definition of `std::bad_exception::~bad_exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x6c0):/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:391: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt13bad_exceptionD1Ev' changed from 192 in /usr/lib/libsupc+
.a(eh_exception.o) to 96 in /usr/lib/libsupc+.a(eh_exception.o)
/usr/lib/libsupc++.a(eh_exception.o)(.text._ZNSt13bad_exceptionD0Ev+0x0): In function `std::bad_exception::~bad_exception()':
: multiple definition of `std::bad_exception::~bad_exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x780):/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:391: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt13bad_exceptionD0Ev' changed from 192 in /usr/lib/libsupc+
.a(eh_exception.o) to 112 in /usr/lib/libsupc+.a(eh_exception.o)
/usr/lib/libsupc++.a(eh_exception.o)(.text._ZNSt9exceptionD2Ev+0x0): In function `std::exception::~exception()':
: multiple definition of `std::exception::~exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x160):/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:323: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt9exceptionD2Ev' changed from 176 in /usr/lib/libsupc+
.a(eh_exception.o) to 48 in /usr/lib/libsupc+.a(eh_exception.o)
/usr/lib/libsupc++.a(eh_exception.o)(.text._ZNSt13bad_exceptionD2Ev+0x0): In function `std::bad_exception::~bad_exception()':
: multiple definition of `std::bad_exception::~bad_exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x600):/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:391: first defined here
/usr/bin/ld: Warning: size of symbol `_ZNSt13bad_exceptionD2Ev' changed from 192 in /usr/lib/libsupc+
.a(eh_exception.o) to 96 in /usr/lib/libsupc+.a(eh_exception.o)
/usr/lib/libsupc++.a(eh_catch.o)(.text._ZSt18uncaught_exceptionv+0x0): In function `std::uncaught_exception()':
: multiple definition of `std::uncaught_exception()'
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x0): first defined here
/usr/bin/ld: Warning: size of symbol `_ZSt18uncaught_exceptionv' changed from 96 in /usr/lib/libsupc+
.a(eh_catch.o) to 80 in /usr/lib/libsupc+.a(eh_catch.o)
/house/sebor/build/stdcxx-2007-03-30-r524321-freebsd-6.1-ia64-gcc-3.4.4-11s/lib/libstd11s.a(exception.o)(.text+0x22): In function `std::uncaught_exception()':
/house/sebor/stdcxx-2007-03-30-r524321/src/exception.cpp:241: undefined reference to `uncaught_exception()'
/usr/lib/libsupc++.a(eh_throw.o)(.text._
cxa_throw+0x21): In function `_cxa_throw':
: undefined reference to `_
cxxabiv1::_unexpected_handler'
/usr/lib/libsupc++.a(eh_throw.o)(.text._
cxa_throw+0x52): In function `_cxa_throw':
: undefined reference to `_
cxxabiv1::_terminate_handler'
/usr/lib/libsupc++.a(eh_terminate.o)(.text._ZSt9terminatev+0x1): In function `std::terminate()':
: undefined reference to `_
cxxabiv1::_terminate_handler'
/usr/lib/libsupc++.a(eh_terminate.o)(.text._ZSt10unexpectedv+0x1): In function `std::unexpected()':
: undefined reference to `_
cxxabiv1::_unexpected_handler'
/usr/lib/libsupc++.a(eh_terminate.o)(.text._ZSt13set_terminatePFvvE+0x1): In function `std::set_terminate(void

())':
: undefined reference to `_
cxxabiv1::_terminate_handler'
/usr/lib/libsupc++.a(eh_terminate.o)(.text._ZSt14set_unexpectedPFvvE+0x1): In function `std::set_unexpected(void

())':
: undefined reference to `_
cxxabiv1::_unexpected_handler'
gmake: ***
[accumulate] Error 1