在本地环境中使用SDL编译未定义对“WinMain”的引用 [英] undefined reference to 'WinMain' with SDL compiling in a native enviroment
问题描述
我正在努力与我的第一步在SDL。
我想编译一个简单的测试类,只包括SDL2头,没有什么特别的启动:
i'm struggeling with my first steps in SDL. I wanted to compile a simple test class, just including the SDL2 header, nothing special for startup:
main.cpp:
#include <SDL.h>
int main() {
return 0;
}
main.cpp本身编译得很好:
g ++ -c main.cpp -ISDL / include
main.cpp itself compiles fine:
g++ -c main.cpp -ISDL/include
但是一旦我想将其与SDL2.dll链接machinecode main.o或直接,我得到这个错误:
g ++ main.cpp -o sdl_test -I SDL / include -L SDL / lib / x64 -l SDL2 -mwindows
g ++ -o test main.o -L SDL / lib / x64 -l SDL2 -mwindows
but as soon as i want to link it with the SDL2.dll either with the machinecode main.o or directly, i'm getting this error:
g++ main.cpp -o sdl_test -I SDL/include -L SDL/lib/x64 -l SDL2 -mwindows
g++ -o test main.o -L SDL/lib/x64 -l SDL2 -mwindows
/usr/lib/gcc/x86_64-pc-cygwin/4.8.3/../../../../lib/libcygwin.a(libcmain.o): In function `main':
/usr/src/debug/cygwin-1.7.30-1/winsup/cygwin/lib/libcmain.c:39: undefined reference to `WinMain'
/usr/src/debug/cygwin-1.7.30-1/winsup/cygwin/lib/libcmain.c:39:(.text.startup+0x7e): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `WinMain'
collect2: Fehler: ld gab 1 als Ende-Status zurück
附加信息:
我使用Cygwin和显然g ++编译我的c ++代码。我的操作系统是Windows 7 Professional 64Bit SP 1。
Additional Information: I use Cygwin and obviously g++ to compile my c++ code. My OS is Windows 7 Professional 64Bit SP 1.
我googled了几个小时,但所有的结果,我遇到了说使用-mwindows编译一个非控制台应用程序或其他东西
I googled for several hours but all the results i came across said use -mwindows to compile a non console application or other things which didn't worked out.
感谢提前
推荐答案
当您使用 SDL
时,您的 main()
必须类似于 int main ,char **)
(或 int main(int argc,char ** argv)
)。
When you're using SDL
, your main()
must look like int main(int, char **)
(or int main(int argc, char **argv)
).
为什么?因为,在SDL代码里面你可以找到
Why? Because, somewhere inside SDL code you can find
int SDL_main(int, char **);
int main(int argc, char **argv)
{
/*Some stuff.*/
SDL_main(argc, argv);
/*Some stuff.*/
}
然后, SDL.h
中:
#define main SDL_main
这篇关于在本地环境中使用SDL编译未定义对“WinMain”的引用的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!