Annotation of embedaddon/axTLS/config/Rules.mak, revision 1.1.1.1
1.1 misho 1: # Rules.make for busybox
2: #
3: # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
4: #
5: # Licensed under GPLv2, see the file LICENSE in this tarball for details.
6: #
7:
8: # Pull in the user's busybox configuration
9: ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
10: -include $(top_builddir)/.config
11: endif
12:
13: #--------------------------------------------------------
14: PROG := busybox
15: MAJOR_VERSION :=1
16: MINOR_VERSION :=1
17: SUBLEVEL_VERSION:=0
18: EXTRAVERSION :=
19: VERSION :=$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)$(EXTRAVERSION)
20: BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z")
21:
22:
23: #--------------------------------------------------------
24: # With a modern GNU make(1) (highly recommended, that's what all the
25: # developers use), all of the following configuration values can be
26: # overridden at the command line. For example:
27: # make CROSS=powerpc-linux- top_srcdir="$HOME/busybox" PREFIX=/mnt/app
28: #--------------------------------------------------------
29:
30: # If you are running a cross compiler, you will want to set 'CROSS'
31: # to something more interesting... Target architecture is determined
32: # by asking the CC compiler what arch it compiles things for, so unless
33: # your compiler is broken, you should not need to specify TARGET_ARCH
34: CROSS =$(subst ",, $(strip $(CROSS_COMPILER_PREFIX)))
35: CC = $(CROSS)gcc
36: AR = $(CROSS)ar
37: AS = $(CROSS)as
38: LD = $(CROSS)ld
39: NM = $(CROSS)nm
40: STRIP = $(CROSS)strip
41: CPP = $(CC) -E
42: # MAKEFILES = $(top_builddir)/.config
43: RM = rm
44: RM_F = $(RM) -f
45: LN = ln
46: LN_S = $(LN) -s
47: MKDIR = mkdir
48: MKDIR_P = $(MKDIR) -p
49: MV = mv
50: CP = cp
51:
52:
53: # What OS are you compiling busybox for? This allows you to include
54: # OS specific things, syscall overrides, etc.
55: TARGET_OS=linux
56:
57: # Select the compiler needed to build binaries for your development system
58: HOSTCC = gcc
59: HOSTCFLAGS= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
60:
61: # Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc.
62: LC_ALL:= C
63:
64: # If you want to add some simple compiler switches (like -march=i686),
65: # especially from the command line, use this instead of CFLAGS directly.
66: # For optimization overrides, it's better still to set OPTIMIZATION.
67: CFLAGS_EXTRA=$(subst ",, $(strip $(EXTRA_CFLAGS_OPTIONS)))
68:
69: # To compile vs some other alternative libc, you may need to use/adjust
70: # the following lines to meet your needs...
71: #
72: # If you are using Red Hat 6.x with the compatible RPMs (for developing under
73: # Red Hat 5.x and glibc 2.0) uncomment the following. Be sure to read about
74: # using the compatible RPMs (compat-*) at http://www.redhat.com !
75: #LIBCDIR:=/usr/i386-glibc20-linux
76: #
77: # For other libraries, you are on your own. But these may (or may not) help...
78: #LDFLAGS+=-nostdlib
79: #LIBRARIES:=$(LIBCDIR)/lib/libc.a -lgcc
80: #CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR) -funsigned-char
81: #GCCINCDIR:=$(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
82:
83: WARNINGS=-Wall -Wstrict-prototypes -Wshadow
84: CFLAGS=-I$(top_builddir)/include -I$(top_srcdir)/include -I$(srcdir)
85: ARFLAGS=cru
86:
87:
88: # gcc centric. Perhaps fiddle with findstring gcc,$(CC) for the rest
89: # get the CC MAJOR/MINOR version
90: CC_MAJOR:=$(shell printf "%02d" $(shell echo __GNUC__ | $(CC) -E -xc - | tail -n 1))
91: CC_MINOR:=$(shell printf "%02d" $(shell echo __GNUC_MINOR__ | $(CC) -E -xc - | tail -n 1))
92:
93: #--------------------------------------------------------
94: export VERSION BUILDTIME HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP
95: ifeq ($(strip $(TARGET_ARCH)),)
96: TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \
97: -e 's/i.86/i386/' \
98: -e 's/sparc.*/sparc/' \
99: -e 's/arm.*/arm/g' \
100: -e 's/m68k.*/m68k/' \
101: -e 's/ppc/powerpc/g' \
102: -e 's/v850.*/v850/g' \
103: -e 's/sh[234]/sh/' \
104: -e 's/mips-.*/mips/' \
105: -e 's/mipsel-.*/mipsel/' \
106: -e 's/cris.*/cris/' \
107: )
108: endif
109:
110: # A nifty macro to make testing gcc features easier
111: check_gcc=$(shell \
112: if [ "$(1)" != "" ]; then \
113: if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
114: then echo "$(1)"; else echo "$(2)"; fi \
115: fi)
116:
117: # Setup some shortcuts so that silent mode is silent like it should be
118: ifeq ($(subst s,,$(MAKEFLAGS)),$(MAKEFLAGS))
119: export MAKE_IS_SILENT=n
120: SECHO=@echo
121: else
122: export MAKE_IS_SILENT=y
123: SECHO=-@false
124: endif
125:
126: CFLAGS+=$(call check_gcc,-funsigned-char,)
127:
128: #--------------------------------------------------------
129: # Arch specific compiler optimization stuff should go here.
130: # Unless you want to override the defaults, do not set anything
131: # for OPTIMIZATION...
132:
133: # use '-Os' optimization if available, else use -O2
134: OPTIMIZATION:=$(call check_gcc,-Os,-O2)
135:
136: # Some nice architecture specific optimizations
137: ifeq ($(strip $(TARGET_ARCH)),arm)
138: OPTIMIZATION+=-fstrict-aliasing
139: endif
140: ifeq ($(strip $(TARGET_ARCH)),i386)
141: OPTIMIZATION+=$(call check_gcc,-march=i386,)
142: OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,)
143: OPTIMIZATION+=$(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,\
144: -malign-functions=0 -malign-jumps=0 -malign-loops=0)
145: endif
146: OPTIMIZATIONS:=$(OPTIMIZATION) -fomit-frame-pointer
147:
148: #
149: #--------------------------------------------------------
150: # If you're going to do a lot of builds with a non-vanilla configuration,
151: # it makes sense to adjust parameters above, so you can type "make"
152: # by itself, instead of following it by the same half-dozen overrides
153: # every time. The stuff below, on the other hand, is probably less
154: # prone to casual user adjustment.
155: #
156:
157: ifeq ($(strip $(CONFIG_LFS)),y)
158: # For large file summit support
159: CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
160: endif
161: ifeq ($(strip $(CONFIG_DMALLOC)),y)
162: # For testing mem leaks with dmalloc
163: CFLAGS+=-DDMALLOC
164: LIBRARIES:=-ldmalloc
165: else
166: ifeq ($(strip $(CONFIG_EFENCE)),y)
167: LIBRARIES:=-lefence
168: endif
169: endif
170: ifeq ($(strip $(CONFIG_DEBUG)),y)
171: CFLAGS +=$(WARNINGS) -g -D_GNU_SOURCE
172: LDFLAGS +=-Wl,-warn-common
173: STRIPCMD:=/bin/true -Not_stripping_since_we_are_debugging
174: else
175: CFLAGS+=$(WARNINGS) $(OPTIMIZATIONS) -D_GNU_SOURCE -DNDEBUG
176: LDFLAGS += -Wl,-warn-common
177: STRIPCMD:=$(STRIP) -s --remove-section=.note --remove-section=.comment
178: endif
179: ifeq ($(strip $(CONFIG_STATIC)),y)
180: LDFLAGS += --static
181: endif
182:
183: ifeq ($(strip $(CONFIG_SELINUX)),y)
184: LIBRARIES += -lselinux
185: endif
186:
187: ifeq ($(strip $(PREFIX)),)
188: PREFIX:=`pwd`/_install
189: endif
190:
191: # Additional complications due to support for pristine source dir.
192: # Include files in the build directory should take precedence over
193: # the copy in top_srcdir, both during the compilation phase and the
194: # shell script that finds the list of object files.
195: # Work in progress by <ldoolitt@recycle.lbl.gov>.
196:
197:
198: OBJECTS:=$(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o
199: CFLAGS += $(CROSS_CFLAGS)
200: ifdef BB_INIT_SCRIPT
201: CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
202: endif
203:
204: # Put user-supplied flags at the end, where they
205: # have a chance of winning.
206: CFLAGS += $(CFLAGS_EXTRA)
207:
208: #------------------------------------------------------------
209: # Installation options
210: ifeq ($(strip $(CONFIG_INSTALL_APPLET_HARDLINKS)),y)
211: INSTALL_OPTS=--hardlinks
212: endif
213: ifeq ($(strip $(CONFIG_INSTALL_APPLET_SYMLINKS)),y)
214: INSTALL_OPTS=--symlinks
215: endif
216: ifeq ($(strip $(CONFIG_INSTALL_APPLET_DONT)),y)
217: INSTALL_OPTS=
218: endif
219:
220: .PHONY: dummy
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