1 # Makefile for diethotplug
3 # Copyright (C) 2000,2001 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 CONFIG_DIR = $(PREFIX)/etc/udev/
33 # place to put our device nodes
36 # Comment out this line to build with something other
37 # than the local version of klibc
40 # If you are running a cross compiler, you may want to set this
41 # to something more interesting, like "arm-linux-". I you want
42 # to compile vs uClibc, that can be done here as well.
43 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
47 RANLIB = $(CROSS)ranlib
49 export CROSS CC AR STRIP RANLIB
51 # code taken from uClibc to determine the current arch
52 ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
53 -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g'}
55 # code taken from uClibc to determine the gcc include dir
56 GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}
58 # code taken from uClibc to determine the libgcc.a filename
59 GCC_LIB := $(shell $(CC) -print-libgcc-file-name )
61 # use '-Os' optimization if available, else use -O2
62 OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
63 then echo "-Os"; else echo "-O2" ; fi}
65 WARNINGS := -Wall -Wshadow -Wstrict-prototypes
67 # Some nice architecture specific optimizations
68 ifeq ($(strip $(TARGET_ARCH)),arm)
69 OPTIMIZATION+=-fstrict-aliasing
71 ifeq ($(strip $(TARGET_ARCH)),i386)
72 OPTIMIZATION+=-march=i386
73 OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
74 /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
75 OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
76 /dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
82 # if DEBUG is enabled, then we do not strip or optimize
83 ifeq ($(strip $(DEBUG)),true)
84 CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE
85 LDFLAGS += -Wl,-warn-common
86 STRIPCMD = /bin/true -Since_we_are_debugging
88 CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
89 LDFLAGS += -s -Wl,-warn-common
90 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
93 # If we are using our version of klibc, then we need to build and link it.
94 # Otherwise, use glibc and link statically.
95 ifeq ($(strip $(KLIBC)),true)
97 INCLUDE_DIR := $(KLIBC_DIR)/include
98 # arch specific objects
100 $(KLIBC_DIR)/bin-$(ARCH)/start.o \
101 $(KLIBC_DIR)/bin-$(ARCH)/klibc.a
103 LIB_OBJS = $(GCC_LIB)
105 LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS)
106 CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(GCCINCDIR)
107 LDFLAGS = --static --nostdlib -nostartfiles
110 CFLAGS += -I$(GCCINCDIR)
122 LIBSYSFS = libsysfs/libsysfs.a
123 TDB = tdb/tdb.o tdb/spinlock.o
139 # header files automatically generated
140 GEN_HEADERS = udev_version.h
142 # Rules on how to create the generated header files
144 @echo \#define UDEV_VERSION \"$(VERSION)\" > $@
145 @echo \#define UDEV_CONFIG_DIR \"$(CONFIG_DIR)\" >> $@
146 @echo \#define UDEV_ROOT \"$(UDEV_DIR)\" >> $@
149 $(ROOT): $(GEN_HEADERS) $(OBJS) $(LIBSYSFS) $(TDB)
151 $(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) -lsysfs $(LIB_OBJS) -L$(LIB) $(ARCH_LIB_OBJS)
155 -find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
157 -rm -f core $(ROOT) $(GEN_HEADERS)
158 $(MAKE) -C klibc clean
159 $(MAKE) -C libsysfs clean
162 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" )
163 DISTDIR := $(RELEASE_NAME)
165 release: $(DISTFILES) clean
169 @-chmod 777 $(DISTDIR)
170 @for file in $(DISTFILES); do \
171 if test -d $$file; then \
172 mkdir $(DISTDIR)/$$file; \
174 cp -p $$file $(DISTDIR)/$$file; \
177 @tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
179 @echo "Built $(RELEASE_NAME).tar.gz"