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
)
29 # override this to make udev look in a different location for it's config files
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
/
39 INSTALL
= /usr
/bin
/install -c
40 INSTALL_PROGRAM
= ${INSTALL}
41 INSTALL_DATA
= ${INSTALL} -m
644
42 INSTALL_SCRIPT
= ${INSTALL_PROGRAM}
45 # place to put our device nodes
46 udevdir
= ${prefix}/udev
/
48 # Comment out this line to build with something other
49 # than the local version of klibc
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-
59 RANLIB
= $(CROSS
)ranlib
61 export CROSS CC AR STRIP RANLIB
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'}
67 # code taken from uClibc to determine the gcc include dir
68 GCCINCDIR
:= ${shell $(CC
) -print-search-dirs | sed
-ne
"s/install: \(.*\)/\1include/gp"}
70 # code taken from uClibc to determine the libgcc.a filename
71 GCC_LIB
:= $(shell $(CC
) -print-libgcc-file-name
)
73 # use '-Os' optimization if available, else use -O2
74 OPTIMIZATION
:= ${shell if
$(CC
) -Os
-S
-o
/dev
/null
-xc
/dev
/null
>/dev
/null
2>&1; \
75 then echo
"-Os"; else echo
"-O2" ; fi
}
77 WARNINGS
:= -Wall
-Wshadow
-Wstrict-prototypes
79 # Some nice architecture specific optimizations
80 ifeq ($(strip $(TARGET_ARCH
)),arm
)
81 OPTIMIZATION
+=-fstrict-aliasing
83 ifeq ($(strip $(TARGET_ARCH
)),i386
)
84 OPTIMIZATION
+=-march
=i386
85 OPTIMIZATION
+= ${shell if
$(CC
) -mpreferred-stack-boundary
=2 -S
-o
/dev
/null
-xc \
86 /dev
/null
>/dev
/null
2>&1; then echo
"-mpreferred-stack-boundary=2"; fi
}
87 OPTIMIZATION
+= ${shell if
$(CC
) -malign-functions
=0 -malign-jumps
=0 -S
-o
/dev
/null
-xc \
88 /dev
/null
>/dev
/null
2>&1; then echo
"-malign-functions=0 -malign-jumps=0"; fi
}
94 # if DEBUG is enabled, then we do not strip or optimize
95 ifeq ($(strip $(DEBUG
)),true
)
96 CFLAGS
+= $(WARNINGS
) -O1
-g
-DDEBUG
-D_GNU_SOURCE
97 LDFLAGS
+= -Wl
,-warn-common
98 STRIPCMD
= /bin
/true
-Since_we_are_debugging
100 CFLAGS
+= $(WARNINGS
) $(OPTIMIZATION
) -fomit-frame-pointer
-D_GNU_SOURCE
101 LDFLAGS
+= -s
-Wl
,-warn-common
102 STRIPCMD
= $(STRIP
) -s
--remove-section
=.note
--remove-section
=.comment
105 # If we are using our version of klibc, then we need to build and link it.
106 # Otherwise, use glibc and link statically.
107 ifeq ($(strip $(KLIBC
)),true
)
109 INCLUDE_DIR
:= $(KLIBC_DIR
)/include
110 # arch specific objects
112 $(KLIBC_DIR
)/bin-
$(ARCH
)/start.o \
113 $(KLIBC_DIR
)/bin-
$(ARCH
)/klibc.a
115 LIB_OBJS
= $(GCC_LIB
)
117 LIBC
= $(ARCH_LIB_OBJS
) $(LIB_OBJS
)
118 CFLAGS
+= -nostdinc
-I
$(INCLUDE_DIR
) -I
$(GCCINCDIR
)
119 LDFLAGS
= --static
--nostdlib
-nostartfiles
122 CFLAGS
+= -I
$(GCCINCDIR
)
134 LIBSYSFS
= libsysfs
/libsysfs.a
135 TDB
= tdb
/tdb.o tdb
/spinlock.o
151 # header files automatically generated
152 GEN_HEADERS
= udev_version.h
154 # Rules on how to create the generated header files
156 @echo \
#define UDEV_VERSION \"$(VERSION)\" > $@
157 @echo \
#define UDEV_CONFIG_DIR \"$(configdir)\" >> $@
158 @echo \
#define UDEV_ROOT \"$(udevdir)\" >> $@
161 $(ROOT
): $(GEN_HEADERS
) $(OBJS
) $(LIBSYSFS
) $(TDB
)
163 $(CC
) $(LDFLAGS
) -o
$(ROOT
) $(OBJS
) -lsysfs
$(LIB_OBJS
) -L
$(LIB
) $(ARCH_LIB_OBJS
)
167 -find . \
( -not
-type d \
) -and \
( -name
'*~' -o
-name
'*.[oas]' \
) -type f
-print \
169 -rm -f core
$(ROOT
) $(GEN_HEADERS
)
170 $(MAKE
) -C klibc
clean
171 $(MAKE
) -C libsysfs
clean
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" |
sort )
175 DISTDIR
:= $(RELEASE_NAME
)
177 release
: $(DISTFILES
) clean
181 @
-chmod
777 $(DISTDIR
)
182 @for file in
$(DISTFILES
); do \
183 if
test -d
$$file; then \
184 mkdir
$(DISTDIR
)/$$file; \
186 cp
-p
$$file $(DISTDIR
)/$$file; \
189 @
tar -c
$(DISTDIR
) | gzip
-9 > $(RELEASE_NAME
).
tar.gz
191 @echo
"Built $(RELEASE_NAME).tar.gz"
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
) namedev.config
$(configdir
)
201 $(INSTALL_DATA
) namedev.permissions
$(configdir
)
202 - ln
-s
$(sbindir
)/$(ROOT
) $(hotplugdir
)/udev.hotplug
205 - rm $(hotplugdir
)/udev.hotplug
206 - rm $(configdir
)/namedev.permissions
207 - rm $(configdir
)/namedev.config
208 - rm $(mandir)/man8
/udev
.8
209 - rm $(sbindir
)/$(ROOT
)
210 - rmdir
$(hotplugdir
)