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1 | # Makefile for diethotplug |
2 | # | |
3 | # Copyright (C) 2000,2001 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. | |
a507a015 | 21 | DEBUG = true |
f0083e3d GKH |
22 | |
23 | ||
24 | ROOT = udev | |
25 | #PREFIX = diet | |
26 | VERSION = 0.01 | |
27 | INSTALL_DIR = /usr/local/bin | |
28 | RELEASE_NAME = $(PREFIX)$(ROOT)-$(VERSION) | |
29 | ||
30 | ||
31 | # Comment out this line to build with something other | |
32 | # than the local version of klibc | |
33 | #KLIBC = true | |
34 | ||
35 | # If you are running a cross compiler, you may want to set this | |
36 | # to something more interesting, like "arm-linux-". I you want | |
37 | # to compile vs uClibc, that can be done here as well. | |
38 | CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- | |
39 | CC = $(CROSS)gcc | |
40 | AR = $(CROSS)ar | |
41 | STRIP = $(CROSS)strip | |
42 | ||
43 | ||
44 | # code taken from uClibc to determine the current arch | |
45 | ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \ | |
46 | -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g'} | |
47 | ||
48 | # code taken from uClibc to determine the gcc include dir | |
49 | GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"} | |
50 | ||
51 | # code taken from uClibc to determine the libgcc.a filename | |
52 | GCC_LIB := $(shell $(CC) -print-libgcc-file-name ) | |
53 | ||
54 | # use '-Os' optimization if available, else use -O2 | |
55 | OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \ | |
56 | then echo "-Os"; else echo "-O2" ; fi} | |
57 | ||
58 | WARNINGS := -Wall -Wshadow -Wstrict-prototypes | |
59 | ||
60 | # Some nice architecture specific optimizations | |
61 | ifeq ($(strip $(TARGET_ARCH)),arm) | |
62 | OPTIMIZATION+=-fstrict-aliasing | |
63 | endif | |
64 | ifeq ($(strip $(TARGET_ARCH)),i386) | |
65 | OPTIMIZATION+=-march=i386 | |
66 | OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \ | |
67 | /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi} | |
68 | OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \ | |
69 | /dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi} | |
70 | CFLAGS+=-pipe | |
71 | else | |
72 | CFLAGS+=-pipe | |
73 | endif | |
74 | ||
75 | # if DEBUG is enabled, then we do not strip or optimize | |
76 | ifeq ($(strip $(DEBUG)),true) | |
77 | CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE | |
78 | LDFLAGS += -Wl,-warn-common | |
79 | STRIPCMD = /bin/true -Since_we_are_debugging | |
80 | else | |
81 | CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE | |
82 | LDFLAGS += -s -Wl,-warn-common | |
83 | STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment | |
84 | endif | |
85 | ||
86 | # If we are using our version of klibc, then we need to build and link it. | |
87 | # Otherwise, use glibc and link statically. | |
88 | ifeq ($(strip $(KLIBC)),true) | |
89 | KLIBC_DIR = klibc | |
90 | INCLUDE_DIR := $(KLIBC_DIR)/include | |
91 | # arch specific objects | |
92 | ARCH_LIB_OBJS = \ | |
93 | $(KLIBC_DIR)/bin-$(ARCH)/start.o \ | |
94 | $(KLIBC_DIR)/bin-$(ARCH)/klibc.a | |
95 | ||
96 | LIB_OBJS = $(GCC_LIB) | |
97 | ||
98 | LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS) | |
99 | CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(GCCINCDIR) | |
100 | LDFLAGS = --static --nostdlib -nostartfiles | |
101 | else | |
102 | LIBC = | |
103 | CFLAGS += -I$(GCCINCDIR) | |
104 | LIB_OBJS = -lc | |
105 | LDFLAGS = --static | |
106 | endif | |
107 | ||
108 | all: $(LIBC) $(ROOT) | |
109 | ||
110 | $(ARCH_LIB_OBJS) : | |
111 | $(MAKE) -C klibc | |
112 | ||
113 | OBJS = udev.o \ | |
114 | logging.o | |
115 | ||
116 | ||
117 | # header files automatically generated | |
118 | GEN_HEADERS = udev_version.h | |
119 | ||
120 | # Rules on how to create the generated header files | |
121 | udev_version.h: | |
122 | @echo \#define UDEV_VERSION \"$(VERSION)\" > $@ | |
123 | ||
124 | ||
125 | $(ROOT): $(GEN_HEADERS) $(OBJS) | |
126 | $(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS) | |
127 | $(STRIPCMD) $(ROOT) | |
128 | ||
129 | clean: | |
130 | -find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \ | |
131 | | xargs rm -f | |
132 | -rm -f core $(ROOT) $(GEN_HEADERS) | |
133 | $(MAKE) -C klibc clean | |
134 | ||
135 | DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS ) | |
136 | DISTDIR := $(RELEASE_NAME) | |
137 | srcdir = . | |
138 | release: $(DISTFILES) clean | |
139 | # @echo $(DISTFILES) | |
140 | @-rm -rf $(DISTDIR) | |
141 | @mkdir $(DISTDIR) | |
142 | @-chmod 777 $(DISTDIR) | |
143 | @for file in $(DISTFILES); do \ | |
144 | if test -d $$file; then \ | |
145 | mkdir $(DISTDIR)/$$file; \ | |
146 | else \ | |
147 | cp -p $$file $(DISTDIR)/$$file; \ | |
148 | fi; \ | |
149 | done | |
150 | @tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz | |
151 | @rm -rf $(DISTDIR) | |
152 | @echo "Built $(RELEASE_NAME).tar.gz" |