libxx:fix build error when enable LIBCXXTOOLCHAIN
Summary:
P:➜ nuttx git:(4cec713dbf) LC_ALL=C make
CC: chip/stm32_gpio.c chip/stm32_gpio.c:41:11: note: '#pragma message: CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated migrate board.h see tools/stm32_pinmap_tool.py'
41 | # pragma message "CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated migrate board.h see tools/stm32_pinmap_tool.py"
| ^~~~~~~
CXX: libcxxmini/libxx_new.cxx libcxxmini/libxx_new.cxx:72:11: error: redefinition of 'void* operator new(std::size_t, void*)'
72 | FAR void *operator new(std::size_t nbytes, FAR void *ptr)
| ^~~~~~~~
In file included from /usr/include/newlib/c++/13.2.1/bits/atomic_base.h:36,
from /usr/include/newlib/c++/13.2.1/atomic:41,
from /home/leduc/wdc_workspace/src/autre/nuttx_dev/nuttx/include/nuttx/atomic.h:32,
from /home/leduc/wdc_workspace/src/autre/nuttx_dev/nuttx/include/nuttx/fs/fs.h:38,
from /home/leduc/wdc_workspace/src/autre/nuttx_dev/nuttx/include/nuttx/lib/lib.h:30,
from libcxxmini/libxx_new.cxx:29:
/usr/include/newlib/c++/13.2.1/new:174:33: note: 'void* operator new(std::size_t, void*)' previously defined here
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
make[1]: *** [Makefile:69: libxx_new.o] Error 1
make: *** [tools/LibTargets.mk:216: libs/libxx/libxx.a] Error 2
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
0d46c68731