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# Makefile for Open Hack'Ware.
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# Copyright (C) 2004-2005 Jocelyn Mayer (l_indien@magic.fr)
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License V2
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# as published by the Free Software Foundation
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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CROSS_COMPILE?=powerpc-linux-
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CC:= $(CROSS_COMPILE)gcc -m32
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LD:= $(CROSS_COMPILE)ld -m elf32ppc
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OBJCOPY:= $(CROSS_COMPILE)objcopy
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ifeq ("$(DEBUG)", "1")
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BUILD_DATE:= $(shell date -u +%F)
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BUILD_TIME:= $(shell date -u +%T)
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CC_BASE:= $(shell $(CC) -print-search-dirs | grep install | sed -e 's/.*\ //')
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CFLAGS= -Wall -W -Werror -O2 -g -fno-builtin -fno-common -nostdinc -mregnames
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# Disable a few warnings that would just create needless code churn
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CFLAGS+= -Wno-pointer-sign -Wno-unused-but-set-variable
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CFLAGS+= -DBUILD_DATE=$(BUILD_DATE) -DBUILD_TIME=$(BUILD_TIME)
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CFLAGS+= -I$(SRCDIR)/ -I$(SRCDIR)/libc/include -I$(CC_BASE)/include
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CFLAGS+= -I$(SRCDIR)/dev -I$(SRCDIR)/dev/block -I$(SRCDIR)/dev/char
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CFLAGS+= -I$(SRCDIR)/dev/bus
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LDFLAGS= -O2 -g -nostdlib
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BIOS_IMAGE_SIZE:= $(shell echo $$(( 1 << $(BIOS_IMAGE_BITS) )) )
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BOOT_SIZE := 0x00000200
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VECTORS_BASE := 0x00000000
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VECTORS_SIZE := $(shell echo $$(( 0x00004000 - $(BOOT_SIZE) )) )
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VECTORS_END := $(shell echo $$(( $(VECTORS_BASE) + $(VECTORS_SIZE) )) )
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BIOS_BASE := 0x05800000
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BIOS_SIZE := $(shell echo $$(( $(BIOS_IMAGE_SIZE) - $(BOOT_SIZE) - $(VECTORS_SIZE) )) )
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BIOS_END := $(shell echo $$(( $(BIOS_BASE) + $(BIOS_SIZE) )) )
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LOAD_IMAGE_BASE:= 0x04000000
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# boot.bin build options
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boot.o_CFLAGS:= -DBOOT_SIZE=$(BOOT_SIZE)
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boot.o_CFLAGS+= -DVECTORS_BASE=$(VECTORS_BASE) -DVECTORS_SIZE=$(VECTORS_SIZE)
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boot.o_CFLAGS+= -DBIOS_IMAGE_BITS=$(BIOS_IMAGE_BITS)
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boot.out_LDFLAGS+= -T $(SRCDIR)/boot.ld
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# vectors.bin build options
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vectors.o_CFLAGS:= -DBIOS_BASE=$(BIOS_BASE) -DBIOS_SIZE=$(BIOS_SIZE)
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vectors.out_LDFLAGS+= -T $(SRCDIR)/vectors.ld
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vectors.bin_OPTIONS:= --pad-to $(VECTORS_END)
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# main.bin build options
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main.o_CFLAGS:= -DLOAD_IMAGE_BASE=$(LOAD_IMAGE_BASE)
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main.out_LDFLAGS:= -T $(SRCDIR)/main.ld
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main.out_OBJS:= main.o bootinfos.o bloc.o pci.o of.o start.o nvram.o vga.o mm.o char.o
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main.out_OBJS:= $(addprefix $(OBJDIR)/, $(main.out_OBJS))
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FORMAT_FUNCS:= _vprintf printf sprintf snprintf vprintf vsprintf vsnprintf
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FORMAT_FUNCS+= dprintf vdprintf
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MEM_FUNCS:= memcpy memccpy mempcpy memmove memcmove mempmove
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MEM_FUNCS+= memset memcmp memchr rawmemchr memrchr memmem
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STR_FUNCS:= strcpy strdup strndup stpcpy stpncpy strcat strncat
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STR_FUNCS+= strcmp strcasecmp strncmp strncasecmp strchr strchrnul strrchr
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STR_FUNCS+= basename dirname
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STR_FUNCS+= strlen strnlen
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MODULES:= format mem str
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format_OBJS:=$(addsuffix .o, $(FORMAT_FUNCS))
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mem_OBJS:=$(addsuffix .o, $(MEM_FUNCS))
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str_OBJS:=$(addsuffix .o, $(STR_FUNCS))
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pseudo_libc_OBJS:= malloc.o errno.o $(format_OBJS) $(mem_OBJS) $(str_OBJS)
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#pseudo_libc_OBJS:= errno.o $(format_OBJS) $(mem_OBJS) $(str_OBJS)
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main.out_OBJS+= $(addprefix $(OBJDIR)/, $(pseudo_libc_OBJS))
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libexec_OBJS:= core.o elf.o xcoff.o macho.o chrp.o prep.o pef.o
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main.out_OBJS+= $(addprefix $(OBJDIR)/exec_, $(libexec_OBJS))
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libfs_OBJS:= core.o raw.o ext2.o isofs.o hfs.o
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main.out_OBJS+= $(addprefix $(OBJDIR)/fs_, $(libfs_OBJS))
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libpart_OBJS:= core.o apple.o isofs.o prep.o
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main.out_OBJS+= $(addprefix $(OBJDIR)/part_, $(libpart_OBJS))
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# char devices drivers
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chardev_OBJS:= pckbd.o kbdadb.o kbd.o
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# bloc devices drivers
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dev_OBJS:= $(addprefix bloc_, $(blocdev_OBJS))
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dev_OBJS+= $(addprefix char_, $(chardev_OBJS))
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main.out_OBJS+= $(addprefix $(OBJDIR)/dev_, $(dev_OBJS))
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CFLAGS+= $($(CUR)_CFLAGS)
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LDFLAGS+= $($(CUR)_LDFLAGS)
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BIN_TARGETS:= $(OBJDIR)/vectors.bin $(OBJDIR)/main.bin $(OBJDIR)/boot.bin
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main.bin_OPTIONS:= --gap-fill 0xFF --pad-to $(BIOS_END)
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CURDIR:= $(shell basename `pwd`)
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SOURCES:= boot.S vectors.S start.S main.c of.c
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SOURCES+= vga.c vgafont.h bootinfos.c nvram.c file.c fs.c part.c bloc.c pci.c bios.h
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LD_SCRIPTS:= boot.ld vectors.ld main.ld
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MISC_FILES:= Makefile COPYING README Changelog Timestamp
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SVN_DIRS:= $(shell find . -type d -name .svn)
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TARBALL:= OpenHackWare.tar.bz2
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TARFILES:= $(addprefix $(SRCDIR)/, $(SOURCES) $(LD_SCRIPTS)) $(MISC_FILES)
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SVN_TARBALL:= OpenHackWare_svn.tar.bz2
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DISTFILE:= OpenHackWare_bin.tar.bz2
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all: $(OBJDIR) $(DISTDIR) $(addprefix $(DISTDIR)/, $(TARGET))
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dist: all $(CURDIR)/Timestamp
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cd $(DISTDIR) && $(TAR) -cjf $(DISTFILE) $(DISTDIR)/$(TARGET) Timestamp
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@$(DEBUG) "BOOT_SIZE = $(BOOT_SIZE)"
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@$(DEBUG) "VECTORS_BASE = $(VECTORS_BASE)"
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@$(DEBUG) "VECTORS_SIZE = $(VECTORS_SIZE)"
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@$(DEBUG) "VECTORS_END = $(VECTORS_END)"
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@$(DEBUG) "BIOS_BASE = $(BIOS_BASE)"
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@$(DEBUG) "BIOS_SIZE = $(BIOS_SIZE)"
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@$(DEBUG) "BIOS_END = $(BIOS_END)"
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$(OBJDIR) $(DISTDIR):
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$(DISTDIR)/$(TARGET): $(BIN_TARGETS)
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$(OBJDIR)/%.bin: $(OBJDIR)/%.out
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$(OBJCOPY) -O binary $($(notdir $@)_OPTIONS) $< $@
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$(OBJDIR)/%.out: $(OBJDIR)/%.o $(SRCDIR)/%.ld
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$(LD) $(LDFLAGS) -o $@ $<
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$(OBJDIR)/main.out: $(main.out_OBJS) $(SRCDIR)/main.ld
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$(LD) $(LDFLAGS) -o $@ $(main.out_OBJS)
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$(OBJDIR)/%.o: $(SRCDIR)/%.c $(SRCDIR)/bios.h
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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$(OBJDIR)/%.o: $(SRCDIR)/%.S $(SRCDIR)/bios.h
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -Wa,-mregnames -o $@ $<
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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# Pseudo libc objects
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$(OBJDIR)/%.o: $(SRCDIR)/libc/src/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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$(OBJDIR)/mem%.o: $(SRCDIR)/libc/src/mem.c
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/rawmemchr.o: $(SRCDIR)/libc/src/mem.c
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/str%.o: $(SRCDIR)/libc/src/str.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/stp%.o: $(SRCDIR)/libc/src/str.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/basename.o: $(SRCDIR)/libc/src/str.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/dirname.o: $(SRCDIR)/libc/src/str.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/%rintf.o: $(SRCDIR)/libc/src/format.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
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$(OBJDIR)/exec_%.o: $(SRCDIR)/libexec/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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$(OBJDIR)/fs_%.o: $(SRCDIR)/libfs/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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$(OBJDIR)/part_%.o: $(SRCDIR)/libpart/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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$(OBJDIR)/dev_%.o: $(SRCDIR)/dev/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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# Char devices drivers
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$(OBJDIR)/dev_char_%.o: $(SRCDIR)/dev/char/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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# Bloc devices drivers
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$(OBJDIR)/dev_bloc_%.o: $(SRCDIR)/dev/bloc/%.c
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@$(DEBUG) "CFLAGS = $(CFLAGS)"
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$(CC) -c $(CFLAGS) -o $@ $<
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tarball: $(CURDIR)/Timestamp
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cd .. && $(TAR) -cjf $(CURDIR)/$(TARBALL) \
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$(addprefix $(CURDIR)/, $(TARFILES))
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svntarball: $(CURDIR)/Timestamp
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cd .. && $(TAR) -cjf $(CURDIR)/$(SVN_TARBALL) \
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$(addprefix $(CURDIR)/, $(TARFILES) $(SVN_DIRS))
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$(CURDIR)/Timestamp: force
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@cd .. && echo "$(BUILD_DATE) at $(BUILD_TIME)" > $@
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$(RM) $(OBJDIR) $(addprefix $(DISTDIR)/, $(TARGETS))
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$(RM) $(DISTFILE) $(CURDIR)/$(TARBALL)
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$(RM) *~ src/*~ .*~ src/.*~
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# Keep all intermediary files
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.PRECIOUS: $(OBJDIR)/%.o $(OBJDIR)/%.out
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.PHONY: all dist print tarball clean cleansrc