我的程序是这个西尔宾斯基垫片。我在我的MacBook Pro上使用NetBeans,我相信我已经安装了库,但可能它们没有正确链接。
# include <iostream>
# include <stdio.h>
# include <OpenGL/gl.h>
# include <OpenGL/glu.h>
# include <GLUT/glut.h>
# include <OpenGL/glext.h>
void myinit(){
glClearColor(1.0,1.0,1.0,1.0);
glColor3f(1.0,0.0,0.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,50.0,0.0,50.0);
glMatrixMode(GL_MODELVIEW);
}
void display(){
GLfloat vertices[3][2]={{0.0,0.0},{25.0,50.0},{50.0,0.0}};
int i, j, k;
int rand();
GLfloat p[2]={7.5,5.0};
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_POINTS);
for(k=0; k<5000; k++){
j=rand()*3;
p[0]=(p[0]+vertices[j][0])/2.0;
p[1]=(p[1]+vertices[j][1])/2.0;
glVertex2fv(p);
}
glEnd();
glFlush();
}
int main(int argc, char**argv) {
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(500,500);
glutInitWindowPosition(0,0);
glutCreateWindow("Sierpinski Gasket");
glutDisplayFunc(display);
myinit();
glutMainLoop();
}
以下是编译错误:
Undefined symbols for architecture x86_64:
"_glutInit", referenced from:
_main in main.o
"_glutInitDisplayMode", referenced from:
_main in main.o
"_glutInitWindowSize", referenced from:
_main in main.o
"_glutInitWindowPosition", referenced from:
_main in main.o
"_glutCreateWindow", referenced from:
_main in main.o
"_glutDisplayFunc", referenced from:
_main in main.o
"_glutMainLoop", referenced from:
_main in main.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make[2]:***[dist/Debug/GNU-MacOSX/sierpinski] Error 1
make[1]:***[.build-conf] Error 2
make:***[.build-impl] Error 2
3条答案
按热度按时间ndh0cuux1#
你需要将供过于求的框架联系起来。在项目属性>链接器>命令行>其他选项中,指定
mznpcxlj2#
代码中的细微更正:
而不是
rand() * 3;
。这给SEG带来了缺陷,原因很明显。ckocjqey3#
在安装Jasper的上下文中,补充@user55721的GLUT框架答案。
安装文档提到了一个特定于ARCH的
cmake
选项,以在Mac OS上使用原生Glut:在Mac OSX下构建Jasper软件时,官方只支持使用OpenGL的本地框架。如果您的系统上安装了Freeglut库,则需要确保构建过程使用本机GLUT库(而不是Freeglut库)。这可以通过向cmake命令行添加一个类似以下内容的额外选项来实现: