There is an incorrect version test in the AppleDRI support for libGL. This causes libGL to fail to build on 
some versions of Panther. The following patch fixes this:

Index: apple/dri_dispatch.defs
===============================================================
====
RCS file: /cvs/xorg/xc/lib/GL/apple/dri_dispatch.defs,v
retrieving revision 1.4
diff -u -d -b -w -r1.4 dri_dispatch.defs
--- apple/dri_dispatch.defs     30 Jul 2004 01:35:31 -0000      1.4
+++ apple/dri_dispatch.defs     18 Aug 2004 19:26:48 -0000
@@ -782,7 +782,7 @@
 ;; endif
 (void MultiModeDrawArraysIBM -1 "const GLenum * mode, const GLint * first, const GLsizei * count, 
GLsizei primcount, GLint modestride")
 (void MultiModeDrawElementsIBM -1 "const GLenum * mode, const GLsizei * count, GLenum type, 
const GLvoid * const * indices, GLsizei primcount, GLint modestride")
-;; if MAC_OS_X_VERSION < 10.3.0
+;; if MAC_OS_X_VERSION < 10.3.4
 ;; (void BlendEquationSeparateEXT 458 "GLenum modeRGB, GLenum modeA" 
BlendEquationSeparateATI)
 ;; else
 (void BlendEquationSeparateEXT 458 "GLenum modeRGB, GLenum modeA")
Index: apple/dri_dispatch.h
===============================================================
====
RCS file: /cvs/xorg/xc/lib/GL/apple/dri_dispatch.h,v
retrieving revision 1.4
diff -u -d -b -w -r1.4 dri_dispatch.h
--- apple/dri_dispatch.h        30 Jul 2004 01:35:31 -0000      1.4
+++ apple/dri_dispatch.h        18 Aug 2004 19:26:48 -0000
@@ -3059,13 +3059,13 @@
     (void *rend, GLenum modeRGB, GLenum modeA),
     (modeRGB, modeA))
 
-#if OSVERSION < 700
+#if OSVERSION < 704
 
 DEFUN_ALIAS_VOID (BlendEquationSeparateEXT, BlendEquationSeparateATI,
     (GLenum modeRGB, GLenum modeA),
     (modeRGB, modeA))
 
-#endif  /* OSVERSION < 700 */
+#endif  /* OSVERSION < 704 */
 
 DEFUN_ALIAS_VOID (ArrayElementEXT, ArrayElement,
     (GLint i),