use better defines for disabled code

2 files changed, 4 insertions, 1 deletions

diff --git a/xc/lib/GL/mesa/src/drv/mga/mgadd.c b/xc/lib/GL/mesa/src/drv/mga/mgadd.c
index d777aa77a..82a4f8ebe 100644
--- a/xc/lib/GL/mesa/src/drv/mga/mgadd.c
+++ b/xc/lib/GL/mesa/src/drv/mga/mgadd.c
@@ -114,7 +114,10 @@ void mgaDDExtensionsInit( GLcontext *ctx )
    if (MGA_IS_G400(MGA_CONTEXT(ctx)))
    {
       gl_extensions_enable( ctx, "GL_EXT_texture_env_add" );
+
+#if defined (MESA_packed_depth_stencil)
       gl_extensions_enable( ctx, "GL_MESA_packed_depth_stencil" );
+#endif
 
 #if defined (MESA_experimetal_agp_allocator)
       if (!getenv("MGA_DISABLE_AGP_ALLOCATOR"))  
diff --git a/xc/lib/GL/mesa/src/drv/mga/mgapixel.c b/xc/lib/GL/mesa/src/drv/mga/mgapixel.c
index 2634e0430..742ce7a40 100644
--- a/xc/lib/GL/mesa/src/drv/mga/mgapixel.c
+++ b/xc/lib/GL/mesa/src/drv/mga/mgapixel.c
@@ -623,7 +623,7 @@ static GLint mgaDDGetAgpOffset( GLcontext *ctx, const void *ptr )
 
 void mgaDDInitPixelFuncs( GLcontext *ctx )
 {
-#if defined (MESA_hacked_agp_allocator)
+#if defined (MESA_experimetal_agp_allocator)
    ctx->Driver.AllocateAgpMemory = mgaDDAllocateAgpMemory;
    ctx->Driver.GetAgpOffset = mgaDDGetAgpOffset;
    ctx->Driver.FreeAgpMemory = mgaDDFreeAgpMemory;