????????ubuntu14.04 64位下，默認是沒有安裝OpenGL相關依賴庫的，若安裝，則依次執行如下幾條命令即可：

$ sudo apt-get update
$ sudo apt-get install build-essential
$ sudo apt-get install libgl1-mesa-dev
$ sudo apt-get install libglu1-mesa-dev
$ sudo apt-get install freeglut3-dev

????? ? 以下是驗證其正確性的測試代碼：

#include <iostream>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>namespace {void Init(void)
{glClearColor(1.0, 0.0, 1.0, 0.0);//設置背景顏色為洋紅glColor3f(0.0f, 1.0f, 0.0f);//設置繪圖顏色為綠色glPointSize(4.0);//設置點的大小為4*4像素glMatrixMode(GL_PROJECTION);//設置合適的矩陣glLoadIdentity();gluOrtho2D(0.0, 640.0, 0.0, 480.0);
}void Display(void)
{glClear(GL_COLOR_BUFFER_BIT);//清屏glBegin(GL_POINTS);glVertex2i(289, 190);glVertex2i(320, 128);glVertex2i(239, 67);glVertex2i(194, 101);glVertex2i(129, 83);glVertex2i(75, 73);glVertex2i(74, 74);glVertex2i(20, 10);glEnd();glFlush();
}} // namespaceint main(int argc, char* argv[])
{glutInit(&argc, argv);//初始化工具包glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);//設置顯示模式glutInitWindowSize(640, 480);//設置窗口大小glutInitWindowPosition(100, 150);//設置屏幕上窗口位置glutCreateWindow("my first attempt");//打開帶標題的窗口glutDisplayFunc(&Display);//注冊重畫回調函數Init();glutMainLoop();//進入循環return 0;
}

????? ? CMakeLists.txt文件的內容如下：

PROJECT(multi_executable_file)
CMAKE_MINIMUM_REQUIRED(VERSION 3.0)# 查找OpenCV
FIND_PACKAGE(OpenCV REQUIRED)
IF(OpenCV_FOUND)MESSAGE("===== support OpenCV =====")MESSAGE(STATUS "OpenCV library status:")MESSAGE(STATUS "	version: ${OpenCV_VERSION}")MESSAGE(STATUS "	include path: ${OpenCV_INCLUDE_DIRS}")MESSAGE(STATUS "	install path: ${OpenCV_INSTALL_PATH}")MESSAGE(STATUS "	libraries: ${OpenCV_LIBS}")INCLUDE_DIRECTORIES(${OpenCV_INCLUDE_DIRS})
ELSE()MESSAGE("##### not support OpenCV #####")
ENDIF()# 查找OpenMP
FIND_PACKAGE(OpenMP REQUIRED)
IF(OpenMP_FOUND)MESSAGE("===== support OpenMP =====")MESSAGE(STATUS "OpenMP library status:")MESSAGE(STATUS "	version: ${OpenMP_VERSION}")set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
ELSE()MESSAGE("##### not support OpenMP #####")
ENDIF()# 查找OpenGL
FIND_PACKAGE(OpenGL REQUIRED)
IF(OPENGL_FOUND)MESSAGE("===== support OpenGL =====")MESSAGE(STATUS "OpenGL library status:")MESSAGE(STATUS "	include path: ${OPENGL_INCLUDE_DIR}")MESSAGE(STATUS "	libraries: ${OPENGL_LIBRARIES}")INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
ELSE()MESSAGE("##### not support OpenGL #####")
ENDIF()# 查找GLUT
FIND_PACKAGE(GLUT REQUIRED)
IF(GLUT_FOUND)MESSAGE("===== support GLUT =====")MESSAGE(STATUS "	include path: ${GLUT_INCLUDE_DIR}")MESSAGE(STATUS "	libraries: ${GLUT_LIBRARIES}")INCLUDE_DIRECTORIES(${GLUT_INCLUDE_DIR})
ELSE()MESSAGE("##### not support GLUT #####")
ENDIF()# 支持C++11
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -Wall -O2 -std=c11")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}  -g -Wall -O2 -std=c++11")INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR})FILE(GLOB samples ${PROJECT_SOURCE_DIR}/*.cpp)FOREACH (sample ${samples})STRING(REGEX MATCH "[^/]+$" sample_file ${sample})STRING(REPLACE ".cpp" "" sample_basename ${sample_file})ADD_EXECUTABLE(test_${sample_basename} ${sample})TARGET_LINK_LIBRARIES(test_${sample_basename} ${OpenCV_LIBS} ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} pthread)
ENDFOREACH()

????? ? build.sh腳本內容如下：

#! /bin/bashecho "Note: new create build directory, and executable file in build"
echo ${PWD}
mkdir -p build
cd build
cmake ..
make

????? ? 進入到multi_executable_file目錄后，執行：$ ./build.sh， 會自動生成build目錄，并編譯當前的.cpp文件，最終針對每個.cpp文件均會生成對應的執行文件，然后進入到build目錄下，執行所需的執行文件即可。

????? ? 執行結果如下：

????? ? GitHub：?https://github.com/fengbingchun/Linux_Code_Test?

????

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