[PATCH] added klibc makefile
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greg@kroah.com
Greg KH
parent
2232cac825
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# Makefile for diethotplug
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#
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# Copyright (C) 2000,2001 Greg Kroah-Hartman <greg@kroah.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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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 GNU
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# General Public License for more details.
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#
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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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#
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# Set the following to `true' to make a debuggable build.
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# Leave this set to `false' for production use.
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DEBUG = true
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ROOT = udev
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VERSION = 0.1
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INSTALL_DIR = /usr/local/bin
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RELEASE_NAME = $(ROOT)-$(VERSION)
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# Comment out this line to build with something other
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# than the local version of klibc
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KLIBC = true
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# If you are running a cross compiler, you may want to set this
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# to something more interesting, like "arm-linux-". I you want
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# to compile vs uClibc, that can be done here as well.
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CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
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CC = $(CROSS)gcc
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AR = $(CROSS)ar
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STRIP = $(CROSS)strip
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# code taken from uClibc to determine the current arch
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ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
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-e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g'}
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# code taken from uClibc to determine the gcc include dir
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GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}
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# code taken from uClibc to determine the libgcc.a filename
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GCC_LIB := $(shell $(CC) -print-libgcc-file-name )
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# use '-Os' optimization if available, else use -O2
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OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
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then echo "-Os"; else echo "-O2" ; fi}
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WARNINGS := -Wall -Wshadow -Wstrict-prototypes
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# Some nice architecture specific optimizations
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ifeq ($(strip $(TARGET_ARCH)),arm)
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OPTIMIZATION+=-fstrict-aliasing
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endif
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ifeq ($(strip $(TARGET_ARCH)),i386)
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OPTIMIZATION+=-march=i386
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OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
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/dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
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OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
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/dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
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CFLAGS+=-pipe
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else
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CFLAGS+=-pipe
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endif
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# if DEBUG is enabled, then we do not strip or optimize
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ifeq ($(strip $(DEBUG)),true)
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CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE
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LDFLAGS += -Wl,-warn-common
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STRIPCMD = /bin/true -Since_we_are_debugging
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else
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CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
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LDFLAGS += -s -Wl,-warn-common
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STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
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endif
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# If we are using our version of klibc, then we need to build and link it.
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# Otherwise, use glibc and link statically.
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ifeq ($(strip $(KLIBC)),true)
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KLIBC_DIR = /home/greg/src/klibc/klibc/klibc
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INCLUDE_DIR := $(KLIBC_DIR)/include
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# arch specific objects
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LIBGCC = $(shell $(CC) --print-libgcc)
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ARCH_LIB_OBJS = \
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$(KLIBC_DIR)/libc.a \
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# $(KLIBC_DIR)/crt0.o \
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# $(LIBGCC)
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# $(KLIBC_DIR)/bin-$(ARCH)/start.o \
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# $(KLIBC_DIR)/bin-$(ARCH)/klibc.a
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# LIB_OBJS = $(GCC_LIB)
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LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS)
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CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/bits32 -I/home/greg/linux/linux-2.5/include -I$(GCCINCDIR)
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LDFLAGS =
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# LDFLAGS = --static --nostdlib -nostartfiles
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else
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LIBC =
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CFLAGS += -I$(GCCINCDIR)
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LIB_OBJS = -lc
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LDFLAGS = --static
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endif
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all: $(LIBC) $(ROOT)
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$(ARCH_LIB_OBJS) :
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$(MAKE) -C klibc
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OBJS = udev.o \
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logging.o \
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namedev.o
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# header files automatically generated
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GEN_HEADERS = udev_version.h
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# Rules on how to create the generated header files
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udev_version.h:
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@echo \#define UDEV_VERSION \"$(VERSION)\" > $@
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$(ROOT): $(GEN_HEADERS) $(OBJS)
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# $(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
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$(LD) $(LDFLAGS) -o $(ROOT) $(KLIBC_DIR)/crt0.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
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$(STRIPCMD) $(ROOT)
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clean:
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-find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
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| xargs rm -f
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-rm -f core $(ROOT) $(GEN_HEADERS)
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$(MAKE) -C klibc clean
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DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS )
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DISTDIR := $(RELEASE_NAME)
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srcdir = .
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release: $(DISTFILES) clean
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# @echo $(DISTFILES)
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@-rm -rf $(DISTDIR)
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@mkdir $(DISTDIR)
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@-chmod 777 $(DISTDIR)
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@for file in $(DISTFILES); do \
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if test -d $$file; then \
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mkdir $(DISTDIR)/$$file; \
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else \
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cp -p $$file $(DISTDIR)/$$file; \
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fi; \
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done
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@tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
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@rm -rf $(DISTDIR)
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@echo "Built $(RELEASE_NAME).tar.gz"
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