$ ppc-amigaos-gcc test.c libgl4es.a -ldl
libgl4es.a(gl.o): In function `proxy_glEnable':
gl.c:(.text+0xa): undefined reference to `globals4es'
gl.c:(.text+0x12): undefined reference to `globals4es'
libgl4es.a(gl.o): In function `ActivateGLState':
gl.c:(.text+0x2346): undefined reference to `globals4es'
gl.c:(.text+0x234a): undefined reference to `globals4es'
libgl4es.a(gl.o): In function `glEnd':
gl.c:(.text+0x536e): undefined reference to `globals4es'
libgl4es.a(gl.o):gl.c:(.text+0x5372): more undefined references to `globals4es' follow
libgl4es.a(texture.o): In function `glReadPixels':
texture.c:(.text+0xfa4): undefined reference to `readfboBegin'
texture.c:(.text+0x10a8): undefined reference to `readfboEnd'
texture.c:(.text+0x1164): undefined reference to `readfboEnd'
libgl4es.a(texture.o): In function `internal2format_type':
texture.c:(.text+0x1f92): undefined reference to `globals4es'
texture.c:(.text+0x1f96): undefined reference to `globals4es'
texture.c:(.text+0x1fa6): undefined reference to `globals4es'
texture.c:(.text+0x1faa): undefined reference to `globals4es'
libgl4es.a(texture.o): In function `glTexParameteri':
texture.c:(.text+0x2726): undefined reference to `globals4es'
libgl4es.a(texture.o):texture.c:(.text+0x272a): more undefined references to `globals4es' follow
libgl4es.a(texture.o): In function `glGetTexImage':
texture.c:(.text+0x8ffc): undefined reference to `gl4es_glGenFramebuffers'
texture.c:(.text+0x9014): undefined reference to `gl4es_glBindFramebuffer'
texture.c:(.text+0x907c): undefined reference to `gl4es_glFramebufferTexture2D'
texture.c:(.text+0x91a8): undefined reference to `gl4es_glBindFramebuffer'
texture.c:(.text+0x91b4): undefined reference to `gl4es_glDeleteFramebuffers'
texture.c:(.text+0x9224): undefined reference to `gl4es_glGenFramebuffers'
texture.c:(.text+0x9234): undefined reference to `gl4es_glBindFramebuffer'
texture.c:(.text+0x9254): undefined reference to `gl4es_glFramebufferTexture2D'
texture.c:(.text+0x9284): undefined reference to `gl4es_glBindFramebuffer'
texture.c:(.text+0x9290): undefined reference to `gl4es_glDeleteFramebuffers'
libgl4es.a(hardext.o): In function `GetHardwareExtensions':
hardext.c:(.text+0x2e): undefined reference to `globals4es'
hardext.c:(.text+0x32): undefined reference to `globals4es'
hardext.c:(.text+0x36): undefined reference to `globals4es'
libgl4es.a(blend.o): In function `glBlendFunc':
blend.c:(.text+0x45e): undefined reference to `globals4es'
blend.c:(.text+0x462): undefined reference to `globals4es'
libgl4es.a(blit.o):blit.c:(.text+0x67a): more undefined references to `globals4es' follow