Eclipse : Unresolved inclusion
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Eclipse 中新建C 或C ++到项目时,头文件报警,显示“Unresolved inclusion:<stdio.h>” 虽然不影响项目到编译和运行,确也无法查看头文件,让人感觉实在不爽。下面是在国外到网站上看到解决方案,自己整理了一下拿来分享一下。关于在Eclipse 下配置C /C ++ 开发环境这里不多说了。
在终端下查看C 库文件到路径:
$ echo "int main() { return 0; }" > a1.c
$ gcc -v a1.c
#include "..." 搜索从这里开始: #include <...> 搜索从这里开始:
/usr/lib/gcc/i686-linux-gnu/4.6.1/include /usr/local/include /usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed /usr/include/i386-linux-gnu /usr/include
搜索列表结束。
……
查看C++ 库文件到搜索路径:
$ echo "int main() { return 0; }" > a1.cpp
$ g++ -v a1.cpp
#include "..." 搜索从这里开始: #include <...> 搜索从这里开始: /usr/include/c++/4.6 /usr/include/c++/4.6/i686-linux-gnu/. /usr/include/c++/4.6/backward /usr/lib/gcc/i686-linux-gnu/4.6.1/include /usr/local/include /usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed /usr/include/i386-linux-gnu /usr/include 搜索列表结束。
在eclipse中菜单Window --> Preferences --> C/C++ --> Build --> Environment添加环境变量
C_INCLUDE_PATH =/usr/lib/gcc/i686-linux-gnu/4.6.1/include:/usr/local/include:/usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed:/usr/include/i386-linux-gnu:/usr/include
CPLUS_INCLUDE_PATH =/usr/include/c++/4.6:/usr/include/c++/4.6/i686-linux-gnu/.:/usr/include/c++/4.6/backward:/usr/lib/gcc/i686-linux-gnu/4.6.1/include:/usr/local/include:/usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed:/usr/include/i386-linux-gnu:/usr/include
记得选中下面的Append variables to native environment.
添加完后重启Eclipse 新建项目即可。
方法二:
这是c/c++标准库未设置所致。解决方法如下。
选中项目,依次操作:
右键单击 -> properties -> C/C++ General -> Paths and Symbols -> Add… -> file system.
然后选择c/c++库的位置:/usr/include
如此再继续添加/usr/include/c++
在终端下查看C 库文件到路径:
$ echo "int main() { return 0; }" > a1.c
$ gcc -v a1.c
#include "..." 搜索从这里开始: #include <...> 搜索从这里开始:
/usr/lib/gcc/i686-linux-gnu/4.6.1/include /usr/local/include /usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed /usr/include/i386-linux-gnu /usr/include
搜索列表结束。
……
查看C++ 库文件到搜索路径:
$ echo "int main() { return 0; }" > a1.cpp
$ g++ -v a1.cpp
#include "..." 搜索从这里开始: #include <...> 搜索从这里开始: /usr/include/c++/4.6 /usr/include/c++/4.6/i686-linux-gnu/. /usr/include/c++/4.6/backward /usr/lib/gcc/i686-linux-gnu/4.6.1/include /usr/local/include /usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed /usr/include/i386-linux-gnu /usr/include 搜索列表结束。
在eclipse中菜单Window --> Preferences --> C/C++ --> Build --> Environment添加环境变量
C_INCLUDE_PATH =/usr/lib/gcc/i686-linux-gnu/4.6.1/include:/usr/local/include:/usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed:/usr/include/i386-linux-gnu:/usr/include
CPLUS_INCLUDE_PATH =/usr/include/c++/4.6:/usr/include/c++/4.6/i686-linux-gnu/.:/usr/include/c++/4.6/backward:/usr/lib/gcc/i686-linux-gnu/4.6.1/include:/usr/local/include:/usr/lib/gcc/i686-linux-gnu/4.6.1/include-fixed:/usr/include/i386-linux-gnu:/usr/include
记得选中下面的Append variables to native environment.
添加完后重启Eclipse 新建项目即可。
方法二:
这是c/c++标准库未设置所致。解决方法如下。
选中项目,依次操作:
右键单击 -> properties -> C/C++ General -> Paths and Symbols -> Add… -> file system.
然后选择c/c++库的位置:/usr/include
如此再继续添加/usr/include/c++
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