3 # Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; version 2 of the License.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 # Set the following to `true' to make a debuggable build.
20 # Leave this set to `false' for production use.
26 INSTALL_DIR = /usr/local/bin
27 RELEASE_NAME = $(ROOT)-$(VERSION)
30 # override this to make udev look in a different location for it's config files
32 exec_prefix = ${prefix}
33 etcdir = ${prefix}/etc
34 sbindir = ${exec_prefix}/sbin
35 mandir = ${prefix}/usr/share/man
36 hotplugdir = ${etcdir}/hotplug.d/default
37 configdir = ${etcdir}/udev/
40 INSTALL = /usr/bin/install -c
41 INSTALL_PROGRAM = ${INSTALL}
42 INSTALL_DATA = ${INSTALL} -m 644
43 INSTALL_SCRIPT = ${INSTALL_PROGRAM}
46 # place to put our device nodes
47 udevdir = ${prefix}/udev/
49 # Comment out this line to build with something other
50 # than the local version of klibc
53 # If you are running a cross compiler, you may want to set this
54 # to something more interesting, like "arm-linux-". I you want
55 # to compile vs uClibc, that can be done here as well.
56 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
61 RANLIB = $(CROSS)ranlib
63 export CROSS CC AR STRIP RANLIB
65 # code taken from uClibc to determine the current arch
66 ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
67 -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/powerpc/ppc/g'}
69 # code taken from uClibc to determine the gcc include dir
70 GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}
72 # code taken from uClibc to determine the libgcc.a filename
73 GCC_LIB := $(shell $(CC) -print-libgcc-file-name )
75 # use '-Os' optimization if available, else use -O2
76 OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
77 then echo "-Os"; else echo "-O2" ; fi}
79 # add -Wredundant-decls when libsysfs gets cleaned up
80 WARNINGS := -Wall -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
82 # Some nice architecture specific optimizations
83 ifeq ($(strip $(TARGET_ARCH)),arm)
84 OPTIMIZATION+=-fstrict-aliasing
86 ifeq ($(strip $(TARGET_ARCH)),i386)
87 OPTIMIZATION+=-march=i386
88 OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
89 /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
90 OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
91 /dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
97 # if DEBUG is enabled, then we do not strip or optimize
98 ifeq ($(strip $(DEBUG)),true)
99 CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE
100 LDFLAGS += -Wl,-warn-common
101 STRIPCMD = /bin/true -Since_we_are_debugging
103 CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
104 LDFLAGS += -s -Wl,-warn-common
105 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
108 # If we are using our version of klibc, then we need to build and link it.
109 # Otherwise, use glibc and link statically.
110 ifeq ($(strip $(KLIBC)),true)
111 KLIBC_DIR = klibc/klibc
112 INCLUDE_DIR := $(KLIBC_DIR)/include
113 include $(KLIBC_DIR)/arch/$(ARCH)/MCONFIG
114 # arch specific objects
115 LIBGCC = $(shell $(CC) --print-libgcc)
117 $(KLIBC_DIR)/libc.a \
121 CRT0 = $(KLIBC_DIR)/crt0.o
122 LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS) $(CRT0)
123 CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(KLIBC_DIR)/arch/$(ARCH)/include \
124 -I$(INCLUDE_DIR)/bits$(BITSIZE) -I$(GCCINCDIR) -Iklibc/linux/include \
127 LDFLAGS = --static --nostdlib -nostartfiles
131 CFLAGS += -I$(GCCINCDIR)
140 $(ARCH_LIB_OBJS) : $(CRT0)
148 SYSFS = libsysfs/sysfs_bus.o \
149 libsysfs/sysfs_class.o \
150 libsysfs/sysfs_device.o \
151 libsysfs/sysfs_dir.o \
152 libsysfs/sysfs_driver.o \
153 libsysfs/sysfs_utils.o \
165 ifeq ($(strip $(KLIBC)),true)
166 OBJS += klibc_fixups.o
169 # header files automatically generated
170 GEN_HEADERS = udev_version.h
172 # Rules on how to create the generated header files
174 @echo \#define UDEV_VERSION \"$(VERSION)\" > $@
175 @echo \#define UDEV_CONFIG_DIR \"$(configdir)\" >> $@
176 @echo \#define UDEV_ROOT \"$(udevdir)\" >> $@
178 $(OBJS): $(GEN_HEADERS)
181 $(LD) $(LDFLAGS) -o $(ROOT) $(CRT0) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
185 -find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
187 -rm -f core $(ROOT) $(GEN_HEADERS)
188 $(MAKE) -C klibc clean
190 DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS | grep -v "\.tdb" | grep -v "test\/sys" | sort )
191 DISTDIR := $(RELEASE_NAME)
194 @echo "--------------------------cut here------------------------"
196 @echo "rm -rf $(DISTDIR)"
197 @echo "mkdir $(DISTDIR)"
198 @echo "chmod 777 $(DISTDIR)"
199 @echo "cp -avr udev/* $(DISTDIR)"
200 @echo "tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz"
201 @echo "rm -rf $(DISTDIR)"
202 @echo "--------------------------cut here------------------------"
205 small_release: $(DISTFILES) clean
209 @-chmod 777 $(DISTDIR)
210 @for file in $(DISTFILES); do \
211 if test -d $$file; then \
212 mkdir $(DISTDIR)/$$file; \
214 cp -p $$file $(DISTDIR)/$$file; \
217 @tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
219 @echo "Built $(RELEASE_NAME).tar.gz"
223 $(INSTALL) -d $(DESTDIR)$(udevdir)
224 $(INSTALL) -d $(DESTDIR)$(configdir)
225 $(INSTALL) -d $(DESTDIR)$(hotplugdir)
226 $(INSTALL_PROGRAM) -D $(ROOT) $(DESTDIR)$(sbindir)/$(ROOT)
227 $(INSTALL_DATA) -D udev.8 $(DESTDIR)$(mandir)/man8/udev.8
228 $(INSTALL_DATA) udev.config $(DESTDIR)$(configdir)
229 $(INSTALL_DATA) udev.permissions $(DESTDIR)$(configdir)
230 - rm -f $(DESTDIR)$(hotplugdir)/udev.hotplug
231 - ln -s $(sbindir)/$(ROOT) $(DESTDIR)$(hotplugdir)/udev.hotplug
234 - rm $(hotplugdir)/udev.hotplug
235 - rm $(configdir)/udev.permissions
236 - rm $(configdir)/udev.config
237 - rm $(mandir)/man8/udev.8
238 - rm $(sbindir)/$(ROOT)
239 - rmdir $(hotplugdir)