Here, we will learn why an error: undefined reference to 'main' occurs and how to fix it in C programming language?
main.c:(.text+0x7): undefined reference to `test' collect2: ld returned 1 exit status 这就是最典型的undefined reference错误,因为在链接时发现找不到某个函数的实现文件,本例中test.o文件中包含了test()函数的实现,所以如果按下面这种方式链接就没事了。 gcc -o main main.o test.o 【扩展】:其实...
这段代码与1.3节相比,只是调换了foo.so库文件和main.cpp文件的前后顺序,就会出现"undefined reference to XXX"的问题。原因在gcc手册里面有提及: It makes a difference where in the command you write this option; the linker searches and processes libraries and object files in the order they are specified...
Fixing undefined reference to 'pow' in Linux This is a common error while compilingC program in GCC/G++ Linux. This error occurs when you are usingpowfunction to calculatepower of a numberin your programs. To fix this problem ensure following points: ...
解决编译ROS项目时出现undefined reference to `cv::Mat::updateContinuityFlag()‘问题,程序员大本营,技术文章内容聚合第一站。
In function .. undefined reference to .. Oct 25, 2012 at 3:58am mih (24) Hello All, I am getting below error while trying to link DB2 libraries, any clues what must be going wrong here.. Many thanks for your help. 12345678910 g++ -O -pthread -I. -I/home/myhome/ia-k_L/src...
c:/program files (x86)/codeblocks/mingw/bin/../lib/gcc/mingw32/4.7.1/../../../libmingw32.a(main.o):main.c:(.text.startup+0xa7): undefined reference to `WinMain@16' collect2.exe: error: ld returned 1 exit status Process terminated with status 1 (0 minute(s), 0 second(s))...
/usr/lib/gcc/x86_64-pc-linux-gnu/9.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: utilities.cc:(.text+0x177): undefined reference to `_ULx86_64_step' collect2: error: ld returned 1 exit status make[2]: *** [src/main/CMakeFiles/gnss-sdr.dir/build.make:184: src/main/gn...
VM pow 函数 :undefined reference to `pow' 技术标签: 库函数 VM c语言具体解决办法 在你编译的最后加上 -lm 即可 代码一览: pow.c #include <stdio.h> #include <math.h> int main() { float p1 = 0.25, p2 = 0.8; float p3 = pow(p1,p2); &......
I have a c library. The build works fine. Initially, it was a DLL build. but I changed it do a static library and removed the dll export things. Then I want to use this library in a C++ project.I wrapped an extern "C" around the include of the header files to eliminate name ...