Question

好的，在任何人将此问题标记为重复之前，我已查看What is an undefined reference/unresolved external symbol error and how do I fix it?和其他许多在线帖子。我已经尝试了所有解决方案，但我仍然无法解决这些错误：

1>SOIL.lib(stb_image_aug.o) : error LNK2019: unresolved external symbol __alloca referenced in function _stbi_zlib_decode_noheader_buffer
1>SOIL.lib(image_helper.o) : error LNK2019: unresolved external symbol _sqrtf referenced in function _RGBE_to_RGBdivA2

我在Windows 8上使用Visual Studio 2012.我尝试重建库并且我已经检查了所有包含和目录的五元组。这是我的SOIL包含/目录：

>Configuration Properties->VC++ Directories->Include Directories: "C:\SOIL\Simple OpenGL Image Library\src
>Configuration Properties->VC++ Directories->Library Directories: "C:\SOIL\Simple OpenGL Image Library\lib
>Congiguration Properties->Linker->Input->Additional Dependencies: "SOIL.lib"

这是我的代码。 SOIL_load_image函数导致错误：

#include <Windows.h>
#include <GL/glut.h>
#include "glext.h"
#include <SOIL.h>

void glEnable2D( void );
void display();
void glDisable2D( void );

GLuint tex;

/* Main function: GLUT runs as a console application starting at main()  */
int main(int argc, char** argv) 
{
    glutInit(&argc, argv);                 // Initialize GLUT
    glutCreateWindow("OpenGL Setup Test"); // Create a window with the given title
    glutInitWindowSize(320, 320);   // Set the window's initial width & height
    glutInitWindowPosition(50, 50); // Position the window's initial top-left corner

    //Texture
    glGenTextures(1, &tex);
    glBindTexture(GL_TEXTURE_2D, tex);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
    float color[] = { 1.0f, 0.0f, 0.0f, 1.0f };
    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, color);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

    int width, height;
    unsigned char* image = SOIL_load_image("Resources/Sprites/playerCharacter.png", &width, &height, 0, SOIL_LOAD_RGB);
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, image);
    SOIL_free_image_data(image);
    //Texture

    glutDisplayFunc(display); // Register display callback handler for window re-paint
    glutMainLoop();           // Enter the infinitely event-processing loop
    return 0;
}

我整天都在努力工作，而且我还没能弄明白我做错了什么，而且非常令人沮丧。注意：我知道SOIL.lib的原始名称是＆＃34; libSOIL.a。＆＃34;我尝试使用该名称并且遇到了同样的错误。

Answer 1

您可以在VS2012 / 13中自行构建VC8或VC9解决方案文件。如果要构建32位应用程序，请确保您是Win32配置。如果要构建64位应用程序，请将配置属性更改为x64。构建项目后，将您的openGL项目链接到这些生成的SOIL.lib文件，您将会很高兴。

SOIL未解析的外部符号

1 个答案: