Fucking gcc template bug...

glprogram.cpp

......
// HACK HACK: g++ 7.1 will NOT compile the following template
// without the bracketed namespaces.
//
// Refer to: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480
namespace erpg{namespace gl{

template<>
void Program::SetUniform<int>(const std::string& name, int value)
{

}

}}

glprogram.hpp

/** @file
 *
 *  Logical OpenGL GLSL Shader Program.
 *
 *  @copyright 2018 Euclidean Entertainment
 *
 *  @date 6-2-2018
 *
 *  @author Jesse Buhagiar
 */

#ifndef GLPROGRAM_HPP_INCLUDED
#define GLPROGRAM_HPP_INCLUDED

#include "erpg1/system/glshader.hpp"

#include <list>
#include <vector>

#include <GL/gl.h>

namespace erpg{namespace gl{

/**
 *  Our OpenGL program class. This class can be inherited by effect classes.
 */
class Program
{
public:
    Program();

    /**
     *  Class Constructor
     *
     *  @arg shader_list List of shaders that we want to attach to this program.
     */
    Program(std::vector<Shader>& shader_list);

    /**
     *  Add a shader to the list of this programs shaders
     *
     *  @arg shader Reference to shader we want to attach
     */
    void AttachShader(const Shader& shader);

    /**
     *  Creates a GLSL Shader program by linking all attached shaders
     */
    void Create();

    /**
     *  Bind this Program for use on the next draw call OpenGL makes
     */
    void Bind() const;

    /**
     *  Unbind this Program from use
     */
    void Unbind() const;

    /**
     *  Get the location of a uniform in this shader program
     *
     *  @arg name Name of the uniform whose location we want to get.
     */
    GLint GetUniformLocation(const std::string& name);

    /**
     *  Set a uniform value in our shader
     */
    template<typename T>
    void SetUniform(const std::string& name, T value);

private:

    /**
     *  Link all shaders in the shaders list
     */
    void Link();

private:
    GLuint              id;         /**< ID of this shader generated by glCreateProgram() */

    std::list<Shader>   shaders;    /**< List of shaders attached to this Shader Program */
    std::string         name;       /**< Name of this shader */
};





}}

#endif // GLPROGRAM_HPP_INCLUDED