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# Makefile -- For the Direct Rendering Manager module (drm)
# Created: Mon Jan  4 09:26:53 1999 by faith@precisioninsight.com
#
# Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
# Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
# All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
# PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
#
# ***** NOTE NOTE NOTE NOTE NOTE *****
# To override the automatic Linux source tree determination, pass the
# pathname for the kernel that you want to compile on the command line,
# like this:
# 	make TREE=/usr/my-kernel-tree/include
#

SHELL=/bin/sh

.SUFFIXES:

# *** Setup

# **** End of SMP/MODVERSIONS detection

MODS =		gamma.o tdfx.o r128.o radeon.o
LIBS =

DRMTEMPLATES =	drm_auth.h drm_bufs.h drm_context.h drm_dma.h drm_drawable.h \
		drm_drv.h drm_fops.h drm_init.h drm_ioctl.h drm_lists.h \
		drm_lock.h drm_memory.h drm_proc.h drm_stub.h drm_vm.h
DRMSHARED =	drm_sarea.h
DRMHEADERS =	drm.h drmP.h $(DRMSHARED)

GAMMAOBJS =	gamma_drv.o gamma_dma.o
GAMMAHEADERS =	gamma_drv.h $(DRMHEADERS) $(DRMTEMPLATES)

TDFXOBJS =	tdfx_drv.o
TDFXHEADERS =	tdfx.h $(DRMHEADERS) $(DRMTEMPLATES)

R128OBJS =	r128_drv.o r128_cce.o r128_state.o r128_irq.o
R128HEADERS =	r128.h r128_drv.h r128_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
R128SHARED =	r128.h r128_drv.h r128_drm.h r128_cce.c r128_state.c r128_irq.c

RADEONOBJS =	radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o \
		radeon_irq.o
RADEONHEADERS =	radeon.h radeon_drv.h radeon_drm.h $(DRMHEADERS) \
		$(DRMTEMPLATES)
RADEONSHARED =	radeon.h radeon_drv.h radeon_drm.h radeon_cp.c radeon_irq.c \
		radeon_mem.c radeon_state.c

INC =		/usr/include

CFLAGS =	-O2 $(WARNINGS)
WARNINGS =	-Wall -Wwrite-strings -Wpointer-arith -Wcast-align \
		-Wstrict-prototypes -Wnested-externs \
		-Wpointer-arith
# -Wshadow -Winline -- make output too noisy
MODCFLAGS =	$(CFLAGS) -D__KERNEL__ -DMODULE -fomit-frame-pointer -fno-strict-aliasing
PRGCFLAGS =	$(CFLAGS) -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \
		-D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \
		-I../../../../../../include -I../../../../../../../../include \
		-I../../../../../../../../programs/Xserver/hw/xfree86/common \
		-I. -I../../.. -I../../../../../../../../lib/X11
PRGLIBS =

# **** Start of SMP/MODVERSIONS detection

# First, locate correct tree for this kernel version.  If we find a
# matching tree, we assume that we can rely on that tree's autoconf.h.
# This may not be correct, but it is the best assumption we can make.

VERSION := $(shell uname -r)
# For Red Hat...
RHVERS := $(shell uname -r)custom

A := /lib/modules/$(VERSION)/build/include
B := /usr/src/linux-$(VERSION)/include
C := /usr/src/linux/include
D := /usr/include

V := $(shell gcc -E -nostdinc -I$A picker.c 2>/dev/null \
      | grep -s 'RELEASE = ' | cut -d' ' -f3)
ifeq ($(V),"$(VERSION)")
TREE := $A
else
ifeq ($(V),"$(RHVERS)")
  TREE := $A
else
  V := $(shell gcc -E -nostdinc -I$B picker.c 2>/dev/null \
        | grep -s 'RELEASE = ' | cut -d' ' -f3)
ifeq ($(V),"$(VERSION)")
    TREE := $B
else
ifeq ($(V),"$(RHVERS)")
      TREE := $B
else
      V := $(shell gcc -E -nostdinc -I$C picker.c 2>/dev/null \
          | grep -s 'RELEASE = ' | cut -d' ' -f3)
ifeq ($(V),"$(VERSION)")
        TREE := $C
else
        V := $(shell gcc -E -nostdinc -I$D picker.c 2>/dev/null \
          | grep -s 'RELEASE = ' | cut -d' ' -f3)
ifeq ($(V),"$(VERSION)")
          TREE := $D
else
          TREE := 0
endif
endif
endif
endif
endif
endif

ifeq ($(TREE),0)
all:; @echo Error: Could not locate kernel tree in $A $B $C $D
else
SMP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
	| grep -s 'SMP = ' | cut -d' ' -f3)
MODULES := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
	| grep -s 'MODULES = ' | cut -d' ' -f3)
MODVERSIONS := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
	| grep -s 'MODVERSIONS = ' | cut -d' ' -f3)
AGP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
	| grep -s 'AGP = ' | cut -d' ' -f3)
MACHINE := $(shell echo `uname -m`)
# Red Hat's kernels have 4 args to do_munmap()
DOMUNMAP := $(shell grep do_munmap $(TREE)/linux/mm.h | grep -c acct)
# Red Hat 9 kernel has 5 args to remap_page_range()
RPR := $(shell grep remap_page_range $(TREE)/linux/mm.h | grep -c vma)
ifeq ($(AGP),0)
AGP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
	| grep -s 'AGP_MODULE = ' | cut -d' ' -f3)
endif

ifeq ($(DOMUNMAP),1)
MODCFLAGS += -DDO_MUNMAP_4_ARGS
endif
ifeq ($(RPR),1)
MODCFLAGS += -DREMAP_PAGE_RANGE_5_ARGS
endif
ifeq ($(AGP),1)
MODCFLAGS += -DCONFIG_AGP -DCONFIG_AGP_MODULE
DRMTEMPLATES += drm_agpsupport.h
MODS += mga.o
ifeq ($(MACHINE),i386)
MODS += i810.o
MODS += i830.o
endif
ifeq ($(MACHINE),i686)
MODS += i810.o
MODS += i830.o
endif

MGAOBJS =	mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
MGAHEADERS =	mga.h mga_drv.h mga_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
MGASHARED =	mga.h mga_dma.c mga_drm.h mga_drv.h mga_state.c \
		mga_ucode.h mga_warp.c

I810OBJS =	i810_drv.o i810_dma.o
I810HEADERS =	i810.h i810_drv.h i810_drm.h $(DRMHEADERS) $(DRMTEMPLATES)

I830OBJS =	i830_drv.o i830_dma.o i830_irq.o
I830HEADERS =	i830.h i830_drv.h i830_drm.h $(DRMHEADERS) $(DRMTEMPLATES)

endif

ifeq ($(MACHINE),alpha)
MODCFLAGS+=      -ffixed-8 -mno-fp-regs -mcpu=ev56 -Wa,-mev6 
endif
ifeq ($(MACHINE),x86_64)
MODCFLAGS+=      -mcmodel=kernel
endif


MODS += sis.o

SISOBJS=	sis_drv.o sis_mm.o sis_ds.o 
SISHEADERS=	sis_drv.h sis_drm.h $(DRMHEADERS)
MODCFLAGS += -DCONFIG_DRM_SIS

all::;@echo === KERNEL HEADERS IN $(TREE)
all::;@echo === SMP=${SMP} MODULES=${MODULES} MODVERSIONS=${MODVERSIONS} AGP=${AGP}
all::;@echo === Compiling for machine $(MACHINE)
all::;@echo === WARNING
all::;@echo === WARNING Use 2.4.x kernels ONLY !
all::;@echo === WARNING

ifeq ($(MODULES),0)
all::;@echo
all::;@echo "*** Kernel modules must be configured.  Build aborted."
all::;@echo
else
all:: $(LIBS) $(MODS) $(PROGS)
endif

endif

# **** End of SMP/MODVERSIONS detection

# **** Handle SMP/MODVERSIONS
ifeq ($(SMP),1)
MODCFLAGS += -D__SMP__
endif
ifeq ($(MODVERSIONS),1)
MODCFLAGS += -DMODVERSIONS -include $(TREE)/linux/modversions.h
endif

# **** End of configuration

# Link in shared headers if needed

SHAREDSRC = $(DRMSHARED) $(MGASHARED) $(R128SHARED) $(RADEONSHARED)
SHAREDDIR = ../../../shared/drm/kernel

$(SHAREDSRC):
	@if [ ! -r $@ ]; then (rm -f $@; set -x; ln -s $(SHAREDDIR)/$@ .); fi


dristat: dristat.c
	$(CC) $(PRGCFLAGS) $< -o $@

DRIsetup: DRIsetup.c
	$(CC) $(PRGCFLAGS) $< -o $@ -L/usr/X11R6/lib -lGL -lm ../../../../parser/libxf86config.a ../libdrm.a

gamma_drv.o: gamma_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
gamma.o: $(GAMMAOBJS)
	$(LD) -r $^ -o $@

tdfx_drv.o: tdfx_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
tdfx.o: $(TDFXOBJS) $(LIBS)
	$(LD) -r $^ -o $@

sis.o: $(SISOBJS) $(LIBS)
	$(LD) -r $^ -o $@

r128_drv.o: r128_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
r128.o: $(R128OBJS) $(LIBS)
	$(LD) -r $^ -o $@

radeon_drv.o: radeon_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
radeon.o: $(RADEONOBJS) $(LIBS)
	$(LD) -r $^ -o $@

ifeq ($(AGP),1)
mga_drv.o: mga_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
mga.o: $(MGAOBJS)
	$(LD) -r $^ -o $@

i810_drv.o: i810_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
i810.o: $(I810OBJS) $(LIBS)
	$(LD) -r $^ -o $@

i830_drv.o: i830_drv.c
	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
i830.o: $(I830OBJS) $(LIBS)
	$(LD) -r $^ -o $@

endif

.PHONY: ChangeLog
ChangeLog:
	@rm -f Changelog
	@rcs2log -i 2 -r -l \
		| sed 's,@.*light,,' \
		| sed 's,/cvsroot/.*/drm/kernel/,,g' \
		> ChangeLog


# .o files are used for modules
%.o: %.c
	$(CC) $(MODCFLAGS) -I$(TREE) -c $< -o $@

$(GAMMAOBJS): $(GAMMAHEADERS)
$(TDFXOBJS): $(TDFXHEADERS)
$(R128OBJS): $(R128HEADERS)
$(RADEONOBJS): $(RADEONHEADERS)
ifeq ($(AGP),1)
$(MGAOBJS): $(MGAHEADERS)
$(I810OBJS): $(I810HEADERS)
$(I830OBJS): $(I830HEADERS)
endif

clean cleandir::
	rm -f *.o *.a *~ core
	@for i in $(SHAREDSRC); do \
		if [ -L $$i ]; then (set -x; rm -f $$i); fi; \
	done