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###############################################################################
# Makefile by Carlo Wood (and others)
# Determine the machine type
ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
# Setup machine dependant compiler flags
ifeq ($(ARCH), i386)
CFLAGS ?= -O2 -march=pentium -fomit-frame-pointer -fno-strength-reduce \
-falign-loops=2 -falign-jumps=2 -falign-functions=2
endif
ifeq ($(ARCH), alpha)
CFLAGS ?= -O2 -mno-fp-regs -mcpu=ev4 -ffixed-8 -Wa,-mev6 \
-fomit-frame-pointer -fno-strict-aliasing
endif
KSRC ?= /usr/src/linux
KHEADERS ?= $(KSRC)/include
-include kver.mak
MODULES_DIR = $(DESTDIR)/lib/modules/$(KVERS)
ALL_CFLAGS := -DMODULE -D__KERNEL__ \
-I$(KHEADERS) -I$(KHEADERS)/asm/mach-default \
$(CFLAGS)
ifneq ($(wildcard $(KHEADERS)/linux/utsrelease.h),)
VERSION_HEADER := $(KHEADERS)/linux/utsrelease.h
else
VERSION_HEADER := $(KHEADERS)/linux/version.h
endif
###############################################################################
# You should never need to change anything below.
NAME := 3dfx
all: modules
kver: kver.c
$(CC) -include $(VERSION_HEADER) -x c -o $@ $<
kver.mak: kver
./$^ > $@
# Sanity checks
sanity:
@( \
if [ ! -r $(KHEADERS)/linux ]; then \
echo "Expect readable headers in $(KHEADERS)/linux"; \
exit -1; \
fi; \
if [ ! -r $(KHEADERS)/linux/version.h ]; then \
echo "Missing $(KHEADERS)/linux/version.h"; \
echo "Configure and install the kernel first"; \
exit -1; \
fi; \
if [ ! -e /proc/cpuinfo ]; then \
echo "You need the /proc file system"; \
echo "Reconfigure kernel and say Yes to CONFIG_PROC_FS"; \
exit -1; \
fi; \
)
KVER_MAJOR = $(shell echo "$(KVERS)" | cut -d. -f1 )
KVER_MINOR = $(shell echo "$(KVERS)" | cut -d. -f2 )
KBUILD = $(shell [ "$(KVER_MAJOR)" = 2 ] && [ "$(KVER_MINOR)" -ge 6 ] && echo yes )
help:
echo KVER_MAJOR = $(KVER_MAJOR)
echo KVER_MINOR = $(KVER_MINOR)
echo KBUILD = $(KBUILD)
ifeq ($(KBUILD),yes)
BUILD_TYPE = kbuild
MODULE_TDFX = kbuild/$(NAME).ko
else
BUILD_TYPE = legacy
MODULE_TDFX = $(NAME).o
endif
clean_type = clean_$(BUILD_TYPE)
module_type = module_$(BUILD_TYPE)
###############################################################################
modules: sanity $(module_type)
module_legacy: $(NAME).o
$(NAME).o: 3dfx_driver.c Makefile
$(CC) $(ALL_CFLAGS) -c -o $@ 3dfx_driver.c
module_kbuild:
$(MAKE) -C kbuild
###############################################################################
install: sanity install_modules
@( \
if [ -e $(MODULES_DIR)/modules.dep ]; then \
indep=`grep '$(NAME)/$(MODULE_TDFX):' $(MODULES_DIR)/modules.dep`; \
if [ -z "$$indep" ]; then \
echo "$(MODULES_DIR)/$(NAME)/$(MODULE_TDFX):" >> $(MODULES_DIR)/modules.dep; \
echo "" >> $(MODULES_DIR)/modules.dep; \
fi; \
fi; \
if [ ! -e $(DESTDIR)/dev/.devfsd -a ! -c $(DESTDIR)/dev/$(NAME) ]; then \
mknod $(DESTDIR)/dev/$(NAME) c 107 0; \
chmod go+w $(DESTDIR)/dev/$(NAME); \
fi; \
if [ "$(RPM_INSTALL)" = "1" ]; then \
echo "$(MODULES_DIR)/$(NAME)/$(MODULE_TDFX)"; \
else \
inconf=`grep 'alias char-major-107 $(NAME)' $(DESTDIR)/etc/modules.conf`; \
if [ -z "$$inconf" ]; then \
echo "alias char-major-107 $(NAME)" >> $(DESTDIR)/etc/modules.conf; \
fi; \
fi; \
)
install_modules: modules
mkdir -p $(MODULES_DIR)/$(NAME)
cp $(MODULE_TDFX) $(MODULES_DIR)/$(NAME)/
###############################################################################
# This is for debugging purposes by the developers:
clean: $(clean_type)
rm -f kver.mak kver
clean_legacy:
rm -f *.ko *.o *.mod.* .*.mod.* .*.cmd
clean_kbuild:
$(MAKE) -C kbuild clean
tar:
tar czf ../../SOURCES/Dev3Dfx-2.5.tar.gz 3dfx_driver.c Makefile
debug:
$(MAKE) CFLAGS="-g -Wall -Wstrict-prototypes -DDEBUG"
.PHONY: all sanity modules modules_legacy modules_kbuild
.PHONY: install install_legacy install_kbuild
.PHONY: clean clean_legacy clean_kbuild tar debug
|
