未定義的引用編譯的OpenGL

當我從OpenGL的OpenGL超級第五版編譯三角項目我有這個代碼中的錯誤未定義的引用編譯的OpenGL

> /home/fpointbin/projects/Triangle/build> make 
[ 7%] Building CXX object CMakeFiles/gltools.dir/src/GLBatch.cpp.o 
[ 15%] Building CXX object CMakeFiles/gltools.dir/src/GLShaderManager.cpp.o 
[ 23%] Building CXX object CMakeFiles/gltools.dir/src/GLTools.cpp.o 
[ 30%] Building CXX object CMakeFiles/gltools.dir/src/GLTriangleBatch.cpp.o 
[ 38%] Building CXX object CMakeFiles/gltools.dir/src/math3d.cpp.o 
[ 46%] Building C object CMakeFiles/gltools.dir/src/glew.c.o 
Linking CXX shared library libgltools.so 
[ 46%] Built target gltools 
Scanning dependencies of target gltools-static 
[ 53%] Building CXX object CMakeFiles/gltools-static.dir/src/GLBatch.cpp.o 
[ 61%] Building CXX object CMakeFiles/gltools-static.dir/src/GLShaderManager.cpp.o 
[ 69%] Building CXX object CMakeFiles/gltools-static.dir/src/GLTools.cpp.o 
[ 76%] Building CXX object CMakeFiles/gltools-static.dir/src/GLTriangleBatch.cpp.o 
[ 84%] Building CXX object CMakeFiles/gltools-static.dir/src/math3d.cpp.o 
[ 92%] Building C object CMakeFiles/gltools-static.dir/src/glew.c.o 
Linking CXX static library libgltools.a 
[ 92%] Built target gltools-static 
Linking CXX executable triangle 
CMakeFiles/triangle.dir/main.cpp.o: In function `ChangeSize(int, int)': 
/home/fpointbin/projects/Triangle/main.cpp:22: undefined reference to `glViewport' 
CMakeFiles/triangle.dir/main.cpp.o: In function `SetupRC()': 
/home/fpointbin/projects/Triangle/main.cpp:32: undefined reference to `glClearColor' 
/home/fpointbin/projects/Triangle/main.cpp:34: undefined reference to `GLShaderManager::InitializeStockShaders()' 
/home/fpointbin/projects/Triangle/main.cpp:41: undefined reference to `GLBatch::Begin(unsigned int, unsigned int, unsigned int)' 
/home/fpointbin/projects/Triangle/main.cpp:43: undefined reference to `GLBatch::End()' 
CMakeFiles/triangle.dir/main.cpp.o: In function `RenderScene()': 
/home/fpointbin/projects/Triangle/main.cpp:53: undefined reference to `glClear' 
/home/fpointbin/projects/Triangle/main.cpp:56: undefined reference to `GLShaderManager::UseStockShader(GLT_STOCK_SHADER, ...)' 
/home/fpointbin/projects/Triangle/main.cpp:57: undefined reference to `GLBatch::Draw()' 
/home/fpointbin/projects/Triangle/main.cpp:60: undefined reference to `glutSwapBuffers' 
CMakeFiles/triangle.dir/main.cpp.o: In function `main': 
/home/fpointbin/projects/Triangle/main.cpp:68: undefined reference to `gltSetWorkingDirectory(char const*)' 
/home/fpointbin/projects/Triangle/main.cpp:70: undefined reference to `glutInit' 
/home/fpointbin/projects/Triangle/main.cpp:71: undefined reference to `glutInitDisplayMode' 
/home/fpointbin/projects/Triangle/main.cpp:72: undefined reference to `glutInitWindowSize' 
/home/fpointbin/projects/Triangle/main.cpp:73: undefined reference to `glutCreateWindow' 
/home/fpointbin/projects/Triangle/main.cpp:74: undefined reference to `glutReshapeFunc' 
/home/fpointbin/projects/Triangle/main.cpp:75: undefined reference to `glutDisplayFunc' 
/home/fpointbin/projects/Triangle/main.cpp:77: undefined reference to `glewInit' 
/home/fpointbin/projects/Triangle/main.cpp:79: undefined reference to `glewGetErrorString' 
/home/fpointbin/projects/Triangle/main.cpp:85: undefined reference to `glutMainLoop' 
CMakeFiles/triangle.dir/main.cpp.o: In function `__static_initialization_and_destruction_0': 
/home/fpointbin/projects/Triangle/main.cpp:14: undefined reference to `GLBatch::GLBatch()' 
/home/fpointbin/projects/Triangle/main.cpp:14: undefined reference to `GLBatch::~GLBatch()' 
/home/fpointbin/projects/Triangle/main.cpp:15: undefined reference to `GLShaderManager::GLShaderManager()' 
/home/fpointbin/projects/Triangle/main.cpp:15: undefined reference to `GLShaderManager::~GLShaderManager()' 
CMakeFiles/triangle.dir/main.cpp.o: In function `GLBatch::CopyVertexData3f(float*)': 
/home/fpointbin/projects/Triangle/include/GLBatch.h:89: undefined reference to `GLBatch::CopyVertexData3f(float (*) [3])' 
collect2: ld returned 1 exit status 
make[2]: *** [triangle] Error 1 
make[1]: *** [CMakeFiles/triangle.dir/all] Error 2 
make: *** [all] Error 2 
*** Failed ***

這是我Cmakelist.txt：

cmake_minimum_required (VERSION 2.6) 

project(triangle) 

find_package(X11) 
find_package(OpenGL REQUIRED) 
find_package(GLUT REQUIRED) 
find_library(M_LIBRARY m) 
find_library(GLEW_LIBRARY GLEW) 

set (INCLUDE_DIRS 
    "${CMAKE_SOURCE_DIR}/include" 
    ${INCLUDE_DIRS} 
) 

include_directories (
    ${INCLUDE_DIRS} 
) 

if(UNIX) 
    set (INCLUDE_DIRS 
     "/usr/include" 
     "/usr/local/include" 
     "/usr/include/GL" 
     ${INCLUDE_DIRS} 
    ) 
endif(UNIX) 

set (GLTOOLS_HDRS 
    "${CMAKE_SOURCE_DIR}/include/GLBatchBase.h" 
    "${CMAKE_SOURCE_DIR}/include/GLBatch.h" 
    "${CMAKE_SOURCE_DIR}/include/GLFrame.h" 
    "${CMAKE_SOURCE_DIR}/include/GLFrustum.h" 
    "${CMAKE_SOURCE_DIR}/include/GLGeometryTransform.h" 
    "${CMAKE_SOURCE_DIR}/include/GLMatrixStack.h" 
    "${CMAKE_SOURCE_DIR}/include/GLShaderManager.h" 
    "${CMAKE_SOURCE_DIR}/include/GLTools.h" 
    "${CMAKE_SOURCE_DIR}/include/GLTriangleBatch.h" 
    "${CMAKE_SOURCE_DIR}/include/math3d.h" 
    "${CMAKE_SOURCE_DIR}/include/StopWatch.h" 
    "${CMAKE_SOURCE_DIR}/include/glew.h" 
) 

set (GLTOOLS_SRCS 
    "${CMAKE_SOURCE_DIR}/src/GLBatch.cpp" 
    "${CMAKE_SOURCE_DIR}/src/GLShaderManager.cpp" 
    "${CMAKE_SOURCE_DIR}/src/GLTools.cpp" 
    "${CMAKE_SOURCE_DIR}/src/GLTriangleBatch.cpp" 
    "${CMAKE_SOURCE_DIR}/src/math3d.cpp" 
    "${CMAKE_SOURCE_DIR}/src/glew.c" 

) 

add_library (gltools-static ${GLTOOLS_SRCS}) 
add_library (gltools SHARED ${GLTOOLS_SRCS}) 

target_link_libraries (gltools ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${GLEW_LIBRARY} ${M_LIBRARY} ${X11_LIBRARIES}) 
target_link_libraries (gltools-static ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${GLEW_LIBRARY} ${M_LIBRARY} ${X11_LIBRARIES}) 
set_target_properties(gltools-static PROPERTIES OUTPUT_NAME gltools) 


add_executable(triangle main.cpp)

有什麼問題？

來源

2011-07-17 fpointbin

-1

很可能你沒有包含頭文件，或者makefile中的include指令是錯誤的，因爲錯誤對我來說很清楚：編譯器找不到OpenGL頭文件中包含的OpenGL核心函數。

來源

2011-07-17 19:36:13 Cristina

那些不是編譯器錯誤。 –

你是對的，錯誤不是來自編譯器，它們來自鏈接器。由於很多未定義的引用都是關於超額功能的，因此請首先驗證您是否可以正確鏈接過剩。看看this link - 如何設置Glut。

來源

2011-07-29 20:20:15

未定義的引用編譯的OpenGL

回答

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