Public bug reported:
Linking with libosmesa6-dev version 19.0.2 will fail because all the gl*
symbols are missing:
```
[100%] Linking CXX executable bin/minko-converter
../smartshape-engine/build/plugin/devil/bin/libminko-plugin-devil.a(jas_stream.c.o):
In function `jas_stream_tmpfile':
jas_stream.c:(.text+0x6fd): warning: the use of `tmpnam' is dangerous, better
use `mkstemp'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::clear(unsigned int, float,
float, float, float, float, unsigned int, unsigned int)':
OpenGLES2Context.cpp:(.text+0xb3): undefined reference to `glDepthMask'
OpenGLES2Context.cpp:(.text+0xd9): undefined reference to `glClearDepth'
OpenGLES2Context.cpp:(.text+0xe7): undefined reference to `glClearColor'
OpenGLES2Context.cpp:(.text+0xfc): undefined reference to `glClearStencil'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::drawTriangles(unsigned int,
unsigned int, int)':
OpenGLES2Context.cpp:(.text+0x120): undefined reference to `glBindBuffer'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::drawTriangles(unsigned int,
int)':
OpenGLES2Context.cpp:(.text+0x153): undefined reference to `glBindBuffer'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::uploadVertexBufferData(unsigned
int, unsigned int, unsigned int, void*)':
OpenGLES2Context.cpp:(.text+0x191): undefined reference to `glBindBuffer'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::uploadIndexBufferData(unsigned
int, unsigned int, unsigned int, void*)':
OpenGLES2Context.cpp:(.text+0x1db): undefined reference to `glBindBuffer'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::deleteVertexBuffer(unsigned
int)':
OpenGLES2Context.cpp:(.text+0x297): undefined reference to `glBindBuffer'
OpenGLES2Context.cpp:(.text+0x2aa): undefined reference to `glBufferData'
OpenGLES2Context.cpp:(.text+0x2b9): undefined reference to `glDeleteBuffers'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::deleteIndexBuffer(unsigned int)':
OpenGLES2Context.cpp:(.text+0x332): undefined reference to `glBindBuffer'
OpenGLES2Context.cpp:(.text+0x345): undefined reference to `glBufferData'
OpenGLES2Context.cpp:(.text+0x354): undefined reference to `glDeleteBuffers'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::setVertexBufferAt(unsigned int,
unsigned int, unsigned int, unsigned int, unsigned int)':
OpenGLES2Context.cpp:(.text+0x527): undefined reference to `glBindBuffer'
OpenGLES2Context.cpp:(.text+0x559): undefined reference to
`glVertexAttribPointer'
OpenGLES2Context.cpp:(.text+0x59a): undefined reference to
`glDisableVertexAttribArray'
OpenGLES2Context.cpp:(.text+0x61e): undefined reference to
`glEnableVertexAttribArray'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::createVertexAttributeArray()':
OpenGLES2Context.cpp:(.text+0x65f): undefined reference to `glGenVertexArrays'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function
`minko::render::OpenGLES2Context::deleteVertexAttributeArray(unsigned int)':
OpenGLES2Context.cpp:(.text+0x6b3): undefined reference to
`glDeleteVertexArrays'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::uploadCubeTextureData(unsigned
int, minko::render::CubeTexture::Face, unsigned int, unsigned int, unsigned
int, void*)':
OpenGLES2Context.cpp:(.text+0x6e4): undefined reference to `glBindTexture'
OpenGLES2Context.cpp:(.text+0x736): undefined reference to `glTexImage2D'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::uploadTexture2dData(unsigned
int, unsigned int, unsigned int, unsigned int, void*)':
OpenGLES2Context.cpp:(.text+0x7c5): undefined reference to `glBindTexture'
OpenGLES2Context.cpp:(.text+0x7ec): undefined reference to `glTexSubImage2D'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function `minko::render::OpenGLES2Context::setShaderSource(unsigned int,
std::__cxx11::basic_string, std::allocator >
const&)':
OpenGLES2Context.cpp:(.text+0x888): undefined reference to `glShaderSource'
../smartshape-engine/build/framework/bin/libminko-framework.a(OpenGLES2Context.cpp.o):
In function
