Makefile

   1 # Makefile for udev
   2 #
   3 # Copyright (C) 2003  Greg Kroah-Hartman <greg@kroah.com>
   4 #
   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.
   8 #
   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.
  13 #
  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
  17 #
  18
  19 # Set the following to `true' to make a debuggable build.
  20 # Leave this set to `false' for production use.
  21 DEBUG = true
  22
  23
  24 ROOT =          udev
  25 VERSION =       004_bk
  26 INSTALL_DIR =   /usr/local/bin
  27 RELEASE_NAME =  $(ROOT)-$(VERSION)
  28
  29 # override this to make udev look in a different location for it's config files
  30 prefix =
  31 exec_prefix =   ${prefix}
  32 etcdir =        ${prefix}/etc
  33 sbindir =       ${exec_prefix}/sbin
  34 mandir =        ${prefix}/usr/share/man
  35 hotplugdir =    ${etcdir}/hotplug.d/default
  36 configdir =     ${etcdir}/udev/
  37 srcdir = .
  38
  39 INSTALL = /usr/bin/install -c
  40 INSTALL_PROGRAM = ${INSTALL}
  41 INSTALL_DATA  = ${INSTALL} -m 644
  42 INSTALL_SCRIPT = ${INSTALL_PROGRAM}
  43
  44
  45 # place to put our device nodes
  46 udevdir = ${prefix}/udev/
  47
  48 # Comment out this line to build with something other
  49 # than the local version of klibc
  50 #KLIBC = true
  51
  52 # If you are running a cross compiler, you may want to set this
  53 # to something more interesting, like "arm-linux-".  I you want
  54 # to compile vs uClibc, that can be done here as well.
  55 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
  56 CC = $(CROSS)gcc
  57 AR = $(CROSS)ar
  58 STRIP = $(CROSS)strip
  59 RANLIB = $(CROSS)ranlib
  60
  61 export CROSS CC AR STRIP RANLIB
  62
  63 # code taken from uClibc to determine the current arch
  64 ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
  65         -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g'}
  66
  67 # code taken from uClibc to determine the gcc include dir
  68 GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}
  69
  70 # code taken from uClibc to determine the libgcc.a filename
  71 GCC_LIB := $(shell $(CC) -print-libgcc-file-name )
  72
  73 # use '-Os' optimization if available, else use -O2
  74 OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
  75                 then echo "-Os"; else echo "-O2" ; fi}
  76
  77 # add -Wredundant-decls when libsysfs gets cleaned up
  78 WARNINGS := -Wall -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
  79
  80 # Some nice architecture specific optimizations
  81 ifeq ($(strip $(TARGET_ARCH)),arm)
  82         OPTIMIZATION+=-fstrict-aliasing
  83 endif
  84 ifeq ($(strip $(TARGET_ARCH)),i386)
  85         OPTIMIZATION+=-march=i386
  86         OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
  87                 /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
  88         OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
  89                 /dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
  90         CFLAGS+=-pipe
  91 else
  92         CFLAGS+=-pipe
  93 endif
  94
  95 # if DEBUG is enabled, then we do not strip or optimize
  96 ifeq ($(strip $(DEBUG)),true)
  97         CFLAGS  += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE
  98         LDFLAGS += -Wl,-warn-common
  99         STRIPCMD = /bin/true -Since_we_are_debugging
 100 else
 101         CFLAGS  += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
 102         LDFLAGS += -s -Wl,-warn-common
 103         STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
 104 endif
 105
 106 # If we are using our version of klibc, then we need to build and link it.
 107 # Otherwise, use glibc and link statically.
 108 ifeq ($(strip $(KLIBC)),true)
 109         KLIBC_DIR       = klibc
 110         INCLUDE_DIR     := $(KLIBC_DIR)/include
 111         # arch specific objects
 112         ARCH_LIB_OBJS = \
 113                         $(KLIBC_DIR)/bin-$(ARCH)/start.o        \
 114                         $(KLIBC_DIR)/bin-$(ARCH)/klibc.a
 115
 116         LIB_OBJS =      $(GCC_LIB)
 117
 118         LIBC =  $(ARCH_LIB_OBJS) $(LIB_OBJS)
 119         CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(GCCINCDIR)
 120         LDFLAGS = --static --nostdlib -nostartfiles
 121 else
 122         LIBC =
 123         CFLAGS += -I$(GCCINCDIR)
 124         LIB_OBJS = -lc
 125         LDFLAGS = --static
 126 endif
 127
 128 all: $(LIBC) $(ROOT)
 129
 130 $(ARCH_LIB_OBJS) :
 131         $(MAKE) -C klibc
 132
 133 TDB =   tdb/tdb.o       \
 134         tdb/spinlock.o
 135
 136 SYSFS = libsysfs/sysfs_bus.o    \
 137         libsysfs/sysfs_class.o  \
 138         libsysfs/sysfs_device.o \
 139         libsysfs/sysfs_dir.o    \
 140         libsysfs/sysfs_driver.o \
 141         libsysfs/sysfs_utils.o  \
 142         libsysfs/dlist.o
 143
 144 OBJS =  udev.o          \
 145         udev-add.o      \
 146         udev-remove.o   \
 147         udevdb.o        \
 148         logging.o       \
 149         namedev.o       \
 150         klibc_fixups.o  \
 151         $(SYSFS)        \
 152         $(TDB)
 153
 154 # header files automatically generated
 155 GEN_HEADERS =   udev_version.h
 156
 157 # Rules on how to create the generated header files
 158 udev_version.h:
 159         @echo \#define UDEV_VERSION     \"$(VERSION)\" > $@
 160         @echo \#define UDEV_CONFIG_DIR  \"$(configdir)\" >> $@
 161         @echo \#define UDEV_ROOT        \"$(udevdir)\" >> $@
 162
 163
 164 $(ROOT): $(GEN_HEADERS) $(OBJS)
 165         $(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
 166         $(STRIPCMD) $(ROOT)
 167
 168 clean:
 169         -find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
 170          | xargs rm -f
 171         -rm -f core $(ROOT) $(GEN_HEADERS)
 172         $(MAKE) -C klibc clean
 173
 174 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 )
 175 DISTDIR := $(RELEASE_NAME)
 176 srcdir = .
 177 release: $(DISTFILES) clean
 178 #       @echo $(DISTFILES)
 179         @-rm -rf $(DISTDIR)
 180         @mkdir $(DISTDIR)
 181         @-chmod 777 $(DISTDIR)
 182         @for file in $(DISTFILES); do                   \
 183                 if test -d $$file; then                 \
 184                         mkdir $(DISTDIR)/$$file;        \
 185                 else                                    \
 186                         cp -p $$file $(DISTDIR)/$$file; \
 187                 fi;                                     \
 188         done
 189         @tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
 190         @rm -rf $(DISTDIR)
 191         @echo "Built $(RELEASE_NAME).tar.gz"
 192
 193
 194 install: all
 195         $(INSTALL) -d $(udevdir)
 196         $(INSTALL) -d $(configdir)
 197         $(INSTALL) -d $(hotplugdir)
 198         $(INSTALL_PROGRAM) -D $(ROOT) $(sbindir)/$(ROOT)
 199         $(INSTALL_DATA) -D udev.8 $(mandir)/man8/udev.8
 200         $(INSTALL_DATA) udev.config $(configdir)
 201         $(INSTALL_DATA) udev.permissions $(configdir)
 202         - ln -s $(sbindir)/$(ROOT) $(hotplugdir)/udev.hotplug
 203
 204 uninstall:
 205         - rm $(hotplugdir)/udev.hotplug
 206         - rm $(configdir)/udev.permissions
 207         - rm $(configdir)/udev.config
 208         - rm $(mandir)/man8/udev.8
 209         - rm $(sbindir)/$(ROOT)
 210         - rmdir $(hotplugdir)
 211         - rmdir $(configdir)
 212         - rmdir $(udevdir)
 213
 214