[英]OpenGL/glut/stdc++ build errors
我正在使用Ubuntu並嘗試使用synaptic安裝其中包含“GLUT”一詞的所有內容以及SDL和opengl。 但仍然是一個簡單的程序無法編譯。 它顯示了這個:
opengl1.cpp:(.text+0xe): undefined reference to `glClear' opengl1.cpp:(.text+0x1a): undefined reference to `glBegin' opengl1.cpp:(.text+0x2e): undefined reference to `glVertex2i' opengl1.cpp:(.text+0x33): undefined reference to `glEnd' opengl1.cpp:(.text+0x38): undefined reference to `glFlush' /tmp/ccnwQeLu.o: In function `MyInit()': opengl1.cpp:(.text+0x4c): undefined reference to `glGetString' opengl1.cpp:(.text+0x57): undefined reference to `std::cout' opengl1.cpp:(.text+0x5c): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, unsigned char const*)' opengl1.cpp:(.text+0x6c): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, char const*)' opengl1.cpp:(.text+0x78): undefined reference to `glGetString' opengl1.cpp:(.text+0x83): undefined reference to `std::cout' opengl1.cpp:(.text+0x88): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, unsigned char const*)' opengl1.cpp:(.text+0x98): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, char const*)' opengl1.cpp:(.text+0xc0): undefined reference to `glClearColor' opengl1.cpp:(.text+0xdf): undefined reference to `glColor3f' opengl1.cpp:(.text+0xec): undefined reference to `glPointSize' opengl1.cpp:(.text+0xf8): undefined reference to `glMatrixMode' opengl1.cpp:(.text+0xfd): undefined reference to `glLoadIdentity' opengl1.cpp:(.text+0x12d): undefined reference to `gluOrtho2D' /tmp/ccnwQeLu.o: In function `main': opengl1.cpp:(.text+0x14a): undefined reference to `glutInit' opengl1.cpp:(.text+0x156): undefined reference to `glutInitDisplayMode' opengl1.cpp:(.text+0x16d): undefined reference to `glutInitWindowSize' opengl1.cpp:(.text+0x181): undefined reference to `glutInitWindowPosition' opengl1.cpp:(.text+0x18d): undefined reference to `glutCreateWindow' opengl1.cpp:(.text+0x19e): undefined reference to `glutDisplayFunc' opengl1.cpp:(.text+0x1a3): undefined reference to `glutMainLoop' /tmp/ccnwQeLu.o: In function `__static_initialization_and_destruction_0(int, int)': opengl1.cpp:(.text+0x1cb): undefined reference to `std::ios_base::Init::Init()' opengl1.cpp:(.text+0x1d0): undefined reference to `std::ios_base::Init::~Init()' /tmp/ccnwQeLu.o:(.eh_frame+0x12): undefined reference to `__gxx_personality_v0' collect2: ld returned 1 exit status
如果我使用g ++而不是gcc我得到這個:
vim opebgl1.cpp g++ opengl1.cpp -o opengl1 -lGL -lstdc++ -lc -lm and then get this : /tmp/ccCJBuIl.o: In function `MyInit()': opengl1.cpp:(.text+0x12d): undefined reference to `gluOrtho2D' /tmp/ccCJBuIl.o: In function `main': opengl1.cpp:(.text+0x14a): undefined reference to `glutInit' opengl1.cpp:(.text+0x156): undefined reference to `glutInitDisplayMode' opengl1.cpp:(.text+0x16d): undefined reference to `glutInitWindowSize' opengl1.cpp:(.text+0x181): undefined reference to `glutInitWindowPosition' opengl1.cpp:(.text+0x18d): undefined reference to `glutCreateWindow' opengl1.cpp:(.text+0x19e): undefined reference to `glutDisplayFunc' opengl1.cpp:(.text+0x1a3): undefined reference to `glutMainLoop' collect2: ld returned 1 exit status
那么我真的需要在Ubuntu中開始使用opengl?
將“-lstdc ++ -lGL”添加到鏈接器標志。 或者嘗試像這樣編譯它:
g++ opengl1.cpp -o opengl1 -lGL -lGLU -lc -lm
(編輯:添加-lGLU,刪除-lstdc ++)
你應該將它與過剩和GLU聯系起來:
g++ opengl1.cpp -o opengl1 -lGL -lstdc++ -lc -lm -lglut -lGLU
以.cpp結尾的文件必須使用g ++編譯。 其余的錯誤與鏈接過程有關,如果使用我上面建議的命令構建應用程序,則不應該發生這些錯誤。 如果是這樣,請確保已安裝libglut和libglu 。
確保使用g++
構建C ++文件,以避免與C ++標准庫相關的鏈接器錯誤。
要解析GLUT符號,您可能只需要在最終構建命令中添加-lglut
。
編譯代碼時,必須根據包含內容提及一些參數。 你已經使用了-lGL
, -lm
等。要使用gluOrtho2D
,要使用的參數是-lGLU
以及以glut
使用-lglut
開頭的其他函數
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