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| -rw-r--r-- | Makefile.klibc | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/Makefile.klibc b/Makefile.klibc new file mode 100644 index 0000000000..d196d6f547 --- /dev/null +++ b/Makefile.klibc @@ -0,0 +1,158 @@ +# Makefile for diethotplug +# +# Copyright (C) 2000,2001 Greg Kroah-Hartman <greg@kroah.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# + +# Set the following to `true' to make a debuggable build. +# Leave this set to `false' for production use. +DEBUG = true + + +ROOT = udev +VERSION = 0.1 +INSTALL_DIR = /usr/local/bin +RELEASE_NAME = $(ROOT)-$(VERSION) + + +# Comment out this line to build with something other +# than the local version of klibc +KLIBC = true + +# If you are running a cross compiler, you may want to set this +# to something more interesting, like "arm-linux-". I you want +# to compile vs uClibc, that can be done here as well. +CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- +CC = $(CROSS)gcc +AR = $(CROSS)ar +STRIP = $(CROSS)strip + + +# code taken from uClibc to determine the current arch +ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \ + -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g'} + +# code taken from uClibc to determine the gcc include dir +GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"} + +# code taken from uClibc to determine the libgcc.a filename +GCC_LIB := $(shell $(CC) -print-libgcc-file-name ) + +# use '-Os' optimization if available, else use -O2 +OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \ + then echo "-Os"; else echo "-O2" ; fi} + +WARNINGS := -Wall -Wshadow -Wstrict-prototypes + +# Some nice architecture specific optimizations +ifeq ($(strip $(TARGET_ARCH)),arm) + OPTIMIZATION+=-fstrict-aliasing +endif +ifeq ($(strip $(TARGET_ARCH)),i386) + OPTIMIZATION+=-march=i386 + OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \ + /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi} + OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \ + /dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi} + CFLAGS+=-pipe +else + CFLAGS+=-pipe +endif + +# if DEBUG is enabled, then we do not strip or optimize +ifeq ($(strip $(DEBUG)),true) + CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE + LDFLAGS += -Wl,-warn-common + STRIPCMD = /bin/true -Since_we_are_debugging +else + CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE + LDFLAGS += -s -Wl,-warn-common + STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment +endif + +# If we are using our version of klibc, then we need to build and link it. +# Otherwise, use glibc and link statically. +ifeq ($(strip $(KLIBC)),true) + KLIBC_DIR = /home/greg/src/klibc/klibc/klibc + INCLUDE_DIR := $(KLIBC_DIR)/include + # arch specific objects + LIBGCC = $(shell $(CC) --print-libgcc) + ARCH_LIB_OBJS = \ + $(KLIBC_DIR)/libc.a \ +# $(KLIBC_DIR)/crt0.o \ +# $(LIBGCC) +# $(KLIBC_DIR)/bin-$(ARCH)/start.o \ +# $(KLIBC_DIR)/bin-$(ARCH)/klibc.a + +# LIB_OBJS = $(GCC_LIB) + + LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS) + CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/bits32 -I/home/greg/linux/linux-2.5/include -I$(GCCINCDIR) + LDFLAGS = +# LDFLAGS = --static --nostdlib -nostartfiles +else + LIBC = + CFLAGS += -I$(GCCINCDIR) + LIB_OBJS = -lc + LDFLAGS = --static +endif + +all: $(LIBC) $(ROOT) + +$(ARCH_LIB_OBJS) : + $(MAKE) -C klibc + +OBJS = udev.o \ + logging.o \ + namedev.o + + +# header files automatically generated +GEN_HEADERS = udev_version.h + +# Rules on how to create the generated header files +udev_version.h: + @echo \#define UDEV_VERSION \"$(VERSION)\" > $@ + + +$(ROOT): $(GEN_HEADERS) $(OBJS) +# $(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS) + $(LD) $(LDFLAGS) -o $(ROOT) $(KLIBC_DIR)/crt0.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS) + $(STRIPCMD) $(ROOT) + +clean: + -find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \ + | xargs rm -f + -rm -f core $(ROOT) $(GEN_HEADERS) + $(MAKE) -C klibc clean + +DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS ) +DISTDIR := $(RELEASE_NAME) +srcdir = . +release: $(DISTFILES) clean +# @echo $(DISTFILES) + @-rm -rf $(DISTDIR) + @mkdir $(DISTDIR) + @-chmod 777 $(DISTDIR) + @for file in $(DISTFILES); do \ + if test -d $$file; then \ + mkdir $(DISTDIR)/$$file; \ + else \ + cp -p $$file $(DISTDIR)/$$file; \ + fi; \ + done + @tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz + @rm -rf $(DISTDIR) + @echo "Built $(RELEASE_NAME).tar.gz" |