From dbb7beb51d8adb4b5616fbcca7999b00d760b839 Mon Sep 17 00:00:00 2001
From: David Dawes <dawes@xfree86.org>
Date: Thu, 17 Apr 2003 18:44:38 +0000
Subject: Rework the Linux drm kernel module build to leverage off the standard
     kernel build system. This is based on suggestions and examples from    
 David Woodhouse. This approach has the advantage that the build    
 requirements of a wider range of standard kernels are now supported    
 transparently, but the disadvantage of some extra complexity to handle    
 building against clean vendor-distributed kernel source trees. This has    
 been tested with some recent Red Hat and SuSE distributions.

---
 linux-core/Makefile.kernel | 43 +++++++++++++++++++++++++++++++++++++------
 1 file changed, 37 insertions(+), 6 deletions(-)

(limited to 'linux-core/Makefile.kernel')

diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 7e659dfd..5f79e430 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -1,19 +1,41 @@
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-
-O_TARGET	:= drm.o
-list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o i830.o radeon.o ffb.o
+#
+# Based on David Woodhouse's mtd build.
+#
+# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.17 2003/04/12 17:18:17 dawes Exp $
+#
 
 gamma-objs  := gamma_drv.o gamma_dma.o
 tdfx-objs   := tdfx_drv.o
-r128-objs   := r128_drv.o r128_cce.o r128_irq.o r128_state.o
-mga-objs    := mga_drv.o mga_dma.o mga_irq.o mga_state.o mga_warp.o
+r128-objs   := r128_drv.o r128_cce.o r128_state.o r128_irq.o
+mga-objs    := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o 
 i810-objs   := i810_drv.o i810_dma.o
 i830-objs   := i830_drv.o i830_dma.o i830_irq.o
-radeon-objs := radeon_drv.o radeon_cp.o radeon_irq.o radeon_mem.o radeon_state.o
+radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
+sis-objs    := sis_drv.o sis_ds.o sis_mm.o
 ffb-objs    := ffb_drv.o ffb_context.o
 
+# Kernel version checks
+
+BELOW25 := $(shell if [ $(PATCHLEVEL) -lt 5 ]; then echo y; fi)
+
+# There were major build changes starting with 2.5.52
+ifneq ($(BELOW25),y)
+BELOW2552 := $(shell if [ $(SUBLEVEL) -lt 52 ]; then echo y; fi)
+else
+BELOW2552 := y
+endif
+
+ifeq ($(BELOW25),y)
+O_TARGET	:= drm.o
+list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
+obj-m		:=
+obj-n		:=
+obj-		:=
+endif
+
 obj-$(CONFIG_DRM_GAMMA) += gamma.o
 obj-$(CONFIG_DRM_TDFX)	+= tdfx.o
 obj-$(CONFIG_DRM_R128)	+= r128.o
@@ -21,10 +43,14 @@ obj-$(CONFIG_DRM_RADEON)+= radeon.o
 obj-$(CONFIG_DRM_MGA)	+= mga.o
 obj-$(CONFIG_DRM_I810)	+= i810.o
 obj-$(CONFIG_DRM_I830)	+= i830.o
+obj-$(CONFIG_DRM_SIS)   += sis.o
 obj-$(CONFIG_DRM_FFB)   += ffb.o
 
+ifeq ($(BELOW2552),y)
 include $(TOPDIR)/Rules.make
+endif
 
+ifeq ($(BELOW25),y)
 gamma.o: $(gamma-objs) $(lib)
 	$(LD) -r -o $@ $(gamma-objs) $(lib)
 
@@ -46,5 +72,10 @@ r128.o: $(r128-objs) $(lib)
 radeon.o: $(radeon-objs) $(lib)
 	$(LD) -r -o $@ $(radeon-objs) $(lib)
 
+sis.o: $(sis-objs) $(lib)
+	$(LD) -r -o $@ $(sis-objs) $(lib)
+
 ffb.o: $(ffb-objs) $(lib)
 	$(LD) -r -o $@ $(ffb-objs) $(lib)
+endif
+
-- 
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