Question

我正在使用机器人模拟器。它需要安装SDL。在Ubuntu中使用sudo apt-get install成功安装了SDL

'make'用于编译和链接。编译成功但在链接时我得到以下链接器错误

[LD]     roborobo
src/core/roborobo.o: In function `clean_up()':
roborobo.cpp:(.text+0x29): undefined reference to `SDL_FreeSurface'
roborobo.cpp:(.text+0x35): undefined reference to `SDL_FreeSurface'
roborobo.cpp:(.text+0x41): undefined reference to `SDL_FreeSurface'
roborobo.cpp:(.text+0x4d): undefined reference to `SDL_FreeSurface'
roborobo.cpp:(.text+0x59): undefined reference to `SDL_FreeSurface'
src/core/roborobo.o:roborobo.cpp:(.text+0x6a): more undefined references to     `SDL_FreeSurface' follow
src/core/roborobo.o: In function `checkQuitEvent()':
roborobo.cpp:(.text+0xdff): undefined reference to `SDL_PollEvent'
src/core/roborobo.o: In function `handleKeyEvent(unsigned char*)':
roborobo.cpp:(.text+0xead): undefined reference to `SDL_Delay'
roborobo.cpp:(.text+0xf1a): undefined reference to `SDL_Delay'
roborobo.cpp:(.text+0xf43): undefined reference to `SDL_Delay'
roborobo.cpp:(.text+0x1037): undefined reference to `SDL_Delay'
roborobo.cpp:(.text+0x111e): undefined reference to `SDL_Delay'
src/core/roborobo.o:roborobo.cpp:(.text+0x1191): more undefined references to `SDL_Delay' follow

还有更多

SDL_gfxPrimitives.c:(.text+0x7477): undefined reference to `SDL_UnlockSurface'
SDL_gfxPrimitives.c:(.text+0x7491): undefined reference to `SDL_UpperBlit'
SDL_gfxPrimitives.c:(.text+0x74e6): undefined reference to `SDL_CreateRGBSurface'
collect2: error: ld returned 1 exit status
make: [roborobo] Error 1 (ignored)

make文件也有sdl-config --cflags --libs -lSDL_image

Makefile位于http://pastebin.com/5EdcZWAd

'make'后的整个控制台输出位于http://pastebin.com/yXDHR9xw

使用SDL构建roborobo时出现链接器错误

0 个答案: