Latest compatible version of Classicube from the original GitHub repository (https://github.com/ClassiCube/ClassiCube) that can be compiled on Classicube for PowerMac PPC running Mac OS X 10.4.

third_party/gldc/gldc.h

@@ -0,0 +1,26 @@
+#ifndef PRIVATE_H
+#define PRIVATE_H
+#include <stdint.h>
+
+#define GLDC_FORCE_INLINE __attribute__((always_inline)) inline
+#define GLDC_NO_INLINE    __attribute__((noinline))
+
+typedef struct {
+    /* Same 32 byte layout as pvr_vertex_t */
+    uint32_t flags;
+    float x, y, w;
+    uint32_t u, v; // really floats, but stored as uint for better load/store codegen
+    uint32_t bgra;
+    float z; // actually oargb, but repurposed since unused
+} __attribute__ ((aligned (32))) Vertex;
+
+typedef struct {
+    uint32_t format;
+    void     *data;
+    uint16_t width;
+    uint16_t height;
+} TextureObject;
+
+void GLDC_NO_INLINE SubmitCommands(Vertex* v3, int n);
+
+#endif // PRIVATE_H