用于Arduino IDE的ESP8266(extenssa-lx106-elf-gcc)和std::映射链接错误

ESP8266 for Arduino IDE (xtensa-lx106-elf-gcc) and std::map linking error

本文关键字:std 映射 错误 链接 extenssa-lx106-elf-gcc IDE Arduino ESP8266 用于      更新时间:2023-10-16

是否可以将map与ESP8266一起用于Arduino包?

这是我的代码:

#include <map>
typedef std::map<int, int> Items;
void setup() {
  Items items;
  items[2]=5;
  //items.emplace(4,5);
}
void loop() {
}

这里是编译/链接erorrs:

Arduino: 1.6.5 (Windows 8.1), Board: "Generic ESP8266 Module, Serial, 80 MHz, 40MHz, DIO, 115200, 512K (64K SPIFFS)"
sketch_oct31a.cpp.o: In function `loop':
C:Program Files (x86)Arduino/sketch_oct31a.ino:11: undefined reference to     `std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*,     std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
sketch_oct31a.cpp.o: In function `_M_emplace_hint_unique<const     std::piecewise_construct_t&, std::tuple<int&&>, std::tuple<> >':
c:usersuserappdataroamingarduino15packagesesp8266toolsxtensa-lx106-    elf-gcc1.20.0-26-gb404fb9-2xtensa-lx106-    elfincludec++4.8.2bits/stl_tree.h:1673: undefined reference to     `std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*,     std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
sketch_oct31a.cpp.o: In function `std::_Rb_tree<int, std::pair<int const,     int>, std::_Select1st<std::pair<int const, int> >, std::less<int>,     std::allocator<std::pair<int const, int> >     >::_M_erase(std::_Rb_tree_node<std::pair<int const, int> >*)':
c:usersuserappdataroamingarduino15packagesesp8266toolsxtensa-lx106-    elf-gcc1.20.0-26-gb404fb9-2xtensa-lx106-    elfincludec++4.8.2bits/stl_tree.h:1130: undefined reference to     `std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
sketch_oct31a.cpp.o: In function `std::_Rb_tree_iterator<std::pair<int     const, int> >::operator--()':
c:usersuserappdataroamingarduino15packagesesp8266toolsxtensa-lx106-    elf-gcc1.20.0-26-gb404fb9-2xtensa-lx106-    elfincludec++4.8.2bits/stl_tree.h:204: undefined reference to     `std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
sketch_oct31a.cpp.o:    (.text._ZNSt8_Rb_treeIiSt4pairIKiiESt10_Select1stIS2_ESt4lessIiESaIS2_EE29_M_get    _insert_hint_unique_posESt23_Rb_tree_const_iteratorIS2_ERS1_[_ZNSt8_Rb_treeIiSt4    pairIKiiESt10_Select1stIS2_ESt4lessIiESaIS2_EE29_M_get_insert_hint_unique_posESt    23_Rb_tree_const_iteratorIS2_ERS1_]+0x0): undefined reference to `std::_Rb_tree_increment(std::_Rb_tree_node_base*)'
sketch_oct31a.cpp.o: In function `std::_Rb_tree<int, std::pair<int const,     int>, std::_Select1st<std::pair<int const, int> >, std::less<int>,     std::allocator<std::pair<int const, int> >     >::_M_get_insert_hint_unique_pos(std::_Rb_tree_const_iterator<std::pair<int     const, int> >, int const&)':
c:usersuserappdataroamingarduino15packagesesp8266toolsxtensa-lx106-    elf-gcc1.20.0-26-gb404fb9-2xtensa-lx106-elfincludec++4.8.2bits/stl_tree.h:1431: undefined reference to `std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
c:usersuserappdataroamingarduino15packagesesp8266toolsxtensa-lx106-elf-gcc1.20.0-26-gb404fb9-2xtensa-lx106-elfincludec++4.8.2bits/stl_tree.h:1448: undefined reference to `std::_Rb_tree_increment(std::_Rb_tree_node_base*)'
collect2.exe: error: ld returned 1 exit status
Error compiling.

我从这里拿走了那个包裹:https://github.com/esp8266/Arduino

顺便说一句,ESP8266的任何其他东西都可以编译。

提前感谢

标准的ESP8266设置不与libstdc++链接,后者提供map和其他std命名空间代码。

您需要在ESP8266 Arudino文件夹的根目录中编辑platforms.txt(此文件夹的位置取决于用于安装它的内容和您使用的操作系统),并将-lstdc++添加到以下行:

compiler.c.elf.libs=-lm -lgcc -lhal -lphy -lnet80211 -llwip -lwpa -lmain -lpp -lsmartconfig -lwps -lcrypto -laxtls

Arduino IDE在启动时只读取此文件一次,因此,请确保在编译之前重新启动IDE。

如果它仍然不起作用(因为libstdc++对于您的工具链来说是不完整的),请在https://github.com/gcc-mirror/gcc/blob/master/libstdc++-v3/src/c++98/tree.cc并将其重命名为tree.cpp。这对我很有效。