ff0a4a4905
Do not trash user variables (CFLAGS). Honour DESTDIR. Added support for KVERS, KHEADERS, and MODULES_DIR.
107 lines
2.9 KiB
Makefile
107 lines
2.9 KiB
Makefile
###############################################################################
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# Makefile by Carlo Wood (and others)
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# Determine the machine type
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ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
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# Setup machine dependant compiler flags
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ifeq ($(ARCH), i386)
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CFLAGS ?= -O2 -mcpu=pentium -fomit-frame-pointer \
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-fno-strength-reduce \
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-falign-loops=2 -falign-jumps=2 -falign-functions=2
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endif
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ifeq ($(ARCH), alpha)
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CFLAGS ?= -O2 -mno-fp-regs -mcpu=ev4 \
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-ffixed-8 \
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-Wa,-mev6 \
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-fomit-frame-pointer -fno-strict-aliasing
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endif
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KHEADERS ?= /usr/include
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KVERS ?= $(shell ./kinfo --UTS)
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MODULES_DIR = $(DESTDIR)/lib/modules/$(KVERS)
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ALL_CFLAGS := -DMODULE -D__KERNEL__ -I$(KHEADERS) $(CFLAGS)
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###############################################################################
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# You should never need to change anything below.
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all: sanity 3dfx.o
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# Sanity checks
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sanity:
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@( \
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if [ ! -r $(KHEADERS)/linux ]; then \
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echo "Expect readable headers in $(KHEADERS)/linux"; \
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exit -1; \
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fi; \
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if [ ! -r $(KHEADERS)/linux/version.h ]; then \
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echo "Missing $(KHEADERS)/linux/version.h"; \
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echo "Configure and install the kernel first"; \
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exit -1; \
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fi; \
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if [ ! -e /proc/cpuinfo ]; then \
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echo "You need the /proc file system"; \
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echo "Reconfigure kernel and say Yes to CONFIG_PROC_FS"; \
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exit -1; \
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fi; \
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)
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kinfo: kinfo.c
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$(CC) -I$(KHEADERS) -o kinfo kinfo.c
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kinfo.h: kinfo
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./kinfo
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###############################################################################
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# kernel 2.1+
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3dfx.o: kinfo.h 3dfx_driver.c Makefile
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$(CC) $(ALL_CFLAGS) -c -o $@ 3dfx_driver.c
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###############################################################################
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install_modules: 3dfx.o
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mkdir -p $(MODULES_DIR)/misc
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cp 3dfx.o $(MODULES_DIR)/misc/3dfx.o
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install: install_modules
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@( \
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if [ -e $(MODULES_DIR)/modules.dep ]; then \
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indep=`grep 'misc/3dfx.o:' $(MODULES_DIR)/modules.dep`; \
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if [ -z "$$indep" ]; then \
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echo "$(MODULES_DIR)/misc/3dfx.o:" >> $(MODULES_DIR)/modules.dep; \
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echo "" >> $(MODULES_DIR)/modules.dep; \
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fi; \
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fi; \
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if [ ! -e $(DESTDIR)/dev/.devfsd -a ! -c $(DESTDIR)/dev/3dfx ]; then \
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mknod $(DESTDIR)/dev/3dfx c 107 0; \
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chmod go+w $(DESTDIR)/dev/3dfx; \
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fi; \
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if [ "$(RPM_INSTALL)" = "1" ]; then \
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echo "$(MODULES_DIR)/misc/3dfx.o"; \
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else \
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inconf=`grep 'alias char-major-107 3dfx' $(DESTDIR)/etc/modules.conf`; \
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if [ -z "$$inconf" ]; then \
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echo "alias char-major-107 3dfx" >> $(DESTDIR)/etc/modules.conf; \
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fi; \
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fi; \
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)
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###############################################################################
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# This is for debugging purposes by the developers:
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clean:
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rm -f *.o *.s kinfo kinfo.h
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3dfx.s: 3dfx_driver.c Makefile
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$(CC) $(ALL_CFLAGS) -S -c 3dfx_driver.c
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tar:
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tar czf ../../SOURCES/Dev3Dfx-2.5.tar.gz 3dfx_driver.c Makefile
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debug:
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make CFLAGS="-g -Wall -Wstrict-prototypes -DDEBUG"
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