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 $(top_builddir)/.config
|
---|
11 | endif
|
---|
12 |
|
---|
13 | #--------------------------------------------------------
|
---|
14 | PROG := busybox
|
---|
15 | MAJOR_VERSION :=1
|
---|
16 | MINOR_VERSION :=2
|
---|
17 | SUBLEVEL_VERSION:=2
|
---|
18 | EXTRAVERSION :=
|
---|
19 | VERSION :=$(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 =$(strip $(subst ",, $(strip $(CROSS_COMPILER_PREFIX))))
|
---|
35 | # be gentle to vi coloring.. "))
|
---|
36 | CC = $(CROSS)gcc
|
---|
37 | AR = $(CROSS)ar
|
---|
38 | AS = $(CROSS)as
|
---|
39 | LD = $(CROSS)ld
|
---|
40 | NM = $(CROSS)nm
|
---|
41 | STRIP = $(CROSS)strip
|
---|
42 | ELF2FLT = $(CROSS)elf2flt
|
---|
43 | CPP = $(CC) -E
|
---|
44 | SED ?= sed
|
---|
45 | BZIP2 ?= bzip2
|
---|
46 |
|
---|
47 |
|
---|
48 | # What OS are you compiling busybox for? This allows you to include
|
---|
49 | # OS specific things, syscall overrides, etc.
|
---|
50 | TARGET_OS=linux
|
---|
51 |
|
---|
52 | # Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc.
|
---|
53 | LC_ALL:= C
|
---|
54 |
|
---|
55 | # This must bind late because srcdir is reset for every source subdirectory.
|
---|
56 | INCS:=-I$(top_builddir)/include -I$(top_srcdir)/include
|
---|
57 | CFLAGS=$(INCS) -I$(srcdir) -D_GNU_SOURCE
|
---|
58 | CFLAGS+=$(CHECKED_CFLAGS)
|
---|
59 | ARFLAGS=cru
|
---|
60 |
|
---|
61 | # gcc centric. Perhaps fiddle with findstring gcc,$(CC) for the rest
|
---|
62 | # get the CC MAJOR/MINOR version
|
---|
63 | CC_MAJOR:=$(shell printf "%02d" $(shell echo __GNUC__ | $(CC) -E -xc - | tail -n 1))
|
---|
64 | CC_MINOR:=$(shell printf "%02d" $(shell echo __GNUC_MINOR__ | $(CC) -E -xc - | tail -n 1))
|
---|
65 |
|
---|
66 | #--------------------------------------------------------
|
---|
67 | export VERSION BUILDTIME HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP
|
---|
68 | ifeq ($(strip $(TARGET_ARCH)),)
|
---|
69 | TARGET_ARCH:=$(shell $(CC) -dumpmachine | $(SED) -e s'/-.*//' \
|
---|
70 | -e 's/i.86/i386/' \
|
---|
71 | -e 's/sparc.*/sparc/' \
|
---|
72 | -e 's/arm.*/arm/g' \
|
---|
73 | -e 's/m68k.*/m68k/' \
|
---|
74 | -e 's/ppc/powerpc/g' \
|
---|
75 | -e 's/v850.*/v850/g' \
|
---|
76 | -e 's/sh[234]/sh/' \
|
---|
77 | -e 's/mips-.*/mips/' \
|
---|
78 | -e 's/mipsel-.*/mipsel/' \
|
---|
79 | -e 's/cris.*/cris/' \
|
---|
80 | )
|
---|
81 | endif
|
---|
82 |
|
---|
83 | # A nifty macro to make testing gcc features easier, but note that everything
|
---|
84 | # that uses this _must_ use := or it will be re-evaluated everytime it is
|
---|
85 | # referenced.
|
---|
86 | ifeq ($(strip $(BUILD_VERBOSE)),2)
|
---|
87 | VERBOSE_CHECK_CC=echo CC=\"$(1)\" check_cc $(2) >&2;
|
---|
88 | endif
|
---|
89 | check_cc=$(shell \
|
---|
90 | $(VERBOSE_CHECK_CC) \
|
---|
91 | if [ "x$(1)" != "x" ] && [ "x$(2)" != "x" ]; then \
|
---|
92 | echo "int i;" > ./conftest.c; \
|
---|
93 | if $(1) $(2) -c -o conftest.o conftest.c > /dev/null 2>&1; \
|
---|
94 | then echo "$(2)"; else echo "$(3)"; fi ; \
|
---|
95 | rm -f conftest.c conftest.o; \
|
---|
96 | fi)
|
---|
97 |
|
---|
98 | ifneq ($(filter $(nocheck_targets),$(MAKECMDGOALS)),)
|
---|
99 | check_cc:=
|
---|
100 | endif
|
---|
101 |
|
---|
102 | # A not very robust macro to check for available ld flags
|
---|
103 | ifeq ($(strip $(BUILD_VERBOSE)),2)
|
---|
104 | VERBOSE_CHECK_LD=echo LD=\"$(1)\" check_ld $(2) >&2;
|
---|
105 | endif
|
---|
106 | check_ld=$(shell \
|
---|
107 | $(VERBOSE_CHECK_LD) \
|
---|
108 | if [ "x$(1)" != "x" ] && [ "x$(2)" != "x" ]; then \
|
---|
109 | $(1) -o /dev/null -b binary /dev/null > /dev/null 2>&1 && \
|
---|
110 | echo "-Wl,$(2)" ; \
|
---|
111 | fi)
|
---|
112 |
|
---|
113 | ifneq ($(filter $(nocheck_targets),$(MAKECMDGOALS)),)
|
---|
114 | check_ld:=
|
---|
115 | endif
|
---|
116 |
|
---|
117 | # A not very robust macro to check for available strip flags
|
---|
118 | ifeq ($(strip $(BUILD_VERBOSE)),2)
|
---|
119 | VERBOSE_CHECK_STRIP=echo STRIPCMD=\"$(1)\" check_strip $(2) >&2;
|
---|
120 | endif
|
---|
121 | check_strip=$(shell \
|
---|
122 | $(VERBOSE_CHECK_STRIP) \
|
---|
123 | if [ "x$(1)" != "x" ] && [ "x$(2)" != "x" ]; then \
|
---|
124 | echo "int i;" > ./conftest.c ; \
|
---|
125 | $(CC) -c -o conftest.o conftest.c > /dev/null 2>&1 ; \
|
---|
126 | $(1) $(2) conftest.o > /dev/null 2>&1 && \
|
---|
127 | echo "$(1) $(2)" || echo "$(3)"; \
|
---|
128 | rm -f conftest.c conftest.o > /dev/null 2>&1 ; \
|
---|
129 | fi)
|
---|
130 |
|
---|
131 | ifneq ($(filter $(nocheck_targets),$(MAKECMDGOALS)),)
|
---|
132 | check_strip:=
|
---|
133 | endif
|
---|
134 |
|
---|
135 |
|
---|
136 | # Select the compiler needed to build binaries for your development system
|
---|
137 | HOSTCC = gcc
|
---|
138 | HOSTCFLAGS:=$(call check_cc,$(HOSTCC),-Wall,)
|
---|
139 | HOSTCFLAGS+=$(call check_cc,$(HOSTCC),-Wstrict-prototypes,)
|
---|
140 | HOSTCFLAGS+=$(call check_cc,$(HOSTCC),-O2,)
|
---|
141 | HOSTCFLAGS+=$(call check_cc,$(HOSTCC),-fomit-frame-pointer,)
|
---|
142 |
|
---|
143 | LD_WHOLE_ARCHIVE:=$(shell echo "int i;" > conftest.c ; \
|
---|
144 | $(CC) -c -o conftest.o conftest.c ; \
|
---|
145 | echo "int main(void){return 0;}" > conftest_main.c ; \
|
---|
146 | $(CC) -c -o conftest_main.o conftest_main.c ; \
|
---|
147 | $(AR) $(ARFLAGS) conftest.a conftest.o ; \
|
---|
148 | $(CC) -Wl,--whole-archive conftest.a -Wl,--no-whole-archive \
|
---|
149 | conftest_main.o -o conftest > /dev/null 2>&1 \
|
---|
150 | && echo "-Wl,--whole-archive" ; \
|
---|
151 | rm conftest_main.o conftest_main.c conftest.o conftest.c \
|
---|
152 | conftest.a conftest > /dev/null 2>&1 ; )
|
---|
153 | ifneq ($(findstring whole-archive,$(LD_WHOLE_ARCHIVE)),)
|
---|
154 | LD_NO_WHOLE_ARCHIVE:= -Wl,--no-whole-archive
|
---|
155 | endif
|
---|
156 |
|
---|
157 | LD_START_GROUP:=$(shell echo "int bar(void){return 0;}" > conftest.c ; \
|
---|
158 | $(CC) -c -o conftest.o conftest.c ; \
|
---|
159 | echo "int main(void){return bar();}" > conftest_main.c ; \
|
---|
160 | $(CC) -c -o conftest_main.o conftest_main.c ; \
|
---|
161 | $(AR) $(ARFLAGS) conftest.a conftest.o ; \
|
---|
162 | $(CC) -Wl,--start-group conftest.a conftest_main.o -Wl,--end-group \
|
---|
163 | -o conftest > /dev/null 2>&1 && echo "-Wl,--start-group" ; \
|
---|
164 | rm conftest_main.o conftest_main.c conftest.o conftest.c \
|
---|
165 | conftest.a conftest > /dev/null 2>&1 ; )
|
---|
166 | ifneq ($(findstring start-group,$(LD_START_GROUP)),)
|
---|
167 | LD_END_GROUP:= -Wl,--end-group
|
---|
168 | endif
|
---|
169 |
|
---|
170 | CHECKED_LDFLAGS := $(call check_ld,$(LD),--warn-common,)
|
---|
171 |
|
---|
172 | # Pin CHECKED_CFLAGS with := so it's only evaluated once.
|
---|
173 | CHECKED_CFLAGS:=$(call check_cc,$(CC),-Wall,)
|
---|
174 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wstrict-prototypes,)
|
---|
175 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wshadow,)
|
---|
176 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-funsigned-char,)
|
---|
177 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-mmax-stack-frame=256,)
|
---|
178 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-fno-builtin-strlen)
|
---|
179 |
|
---|
180 | # Preemptively pin this too.
|
---|
181 | PROG_CFLAGS:=
|
---|
182 |
|
---|
183 |
|
---|
184 | #--------------------------------------------------------
|
---|
185 | # Arch specific compiler optimization stuff should go here.
|
---|
186 | # Unless you want to override the defaults, do not set anything
|
---|
187 | # for OPTIMIZATION...
|
---|
188 |
|
---|
189 | # use '-Os' optimization if available, else use -O2
|
---|
190 | OPTIMIZATION:=$(call check_cc,$(CC),-Os,-O2)
|
---|
191 |
|
---|
192 | ifeq ($(CONFIG_BUILD_AT_ONCE),y)
|
---|
193 | # gcc 2.95 exits with 0 for "unrecognized option"
|
---|
194 | ifeq ($(strip $(shell [ $(CC_MAJOR) -ge 3 ] ; echo $$?)),0)
|
---|
195 | CFLAGS_COMBINE:=$(call check_cc,$(CC),--combine,)
|
---|
196 | endif
|
---|
197 | OPTIMIZATION+=$(call check_cc,$(CC),-funit-at-a-time,)
|
---|
198 | OPTIMIZATION+=$(call check_cc,$(CC),-fgcse-after-reload,)
|
---|
199 | ifneq ($(CONFIG_BUILD_LIBBUSYBOX),y)
|
---|
200 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25795
|
---|
201 | # This prevents us from using -fwhole-program when we build the lib
|
---|
202 | PROG_CFLAGS+=$(call check_cc,$(CC),-fwhole-program,)
|
---|
203 | endif # CONFIG_BUILD_LIBBUSYBOX
|
---|
204 | endif # CONFIG_BUILD_AT_ONCE
|
---|
205 |
|
---|
206 | LIB_LDFLAGS:=$(call check_ld,$(LD),--enable-new-dtags,)
|
---|
207 | #LIB_LDFLAGS+=$(call check_ld,$(LD),--reduce-memory-overheads,)
|
---|
208 | #LIB_LDFLAGS+=$(call check_ld,$(LD),--as-needed,)
|
---|
209 | #LIB_LDFLAGS+=$(call check_ld,$(LD),--warn-shared-textrel,)
|
---|
210 |
|
---|
211 |
|
---|
212 | # Some nice architecture specific optimizations
|
---|
213 | ifeq ($(strip $(TARGET_ARCH)),arm)
|
---|
214 | OPTIMIZATION+=-fstrict-aliasing
|
---|
215 | endif
|
---|
216 | ifeq ($(strip $(TARGET_ARCH)),i386)
|
---|
217 | OPTIMIZATION+=$(call check_cc,$(CC),-march=i386,)
|
---|
218 | # gcc-4.0 and older seem to benefit from these
|
---|
219 | #ifneq ($(strip $(shell [ $(CC_MAJOR) -ge 4 -a $(CC_MINOR) -ge 1 ] ; echo $$?)),0)
|
---|
220 | OPTIMIZATION+=$(call check_cc,$(CC),-mpreferred-stack-boundary=2,)
|
---|
221 | OPTIMIZATION+=$(call check_cc,$(CC),-falign-functions=1 -falign-jumps=1 -falign-loops=1,\
|
---|
222 | -malign-functions=0 -malign-jumps=0 -malign-loops=0)
|
---|
223 | #endif # gcc-4.0 and older
|
---|
224 |
|
---|
225 | # gcc-4.1 and beyond seem to benefit from these
|
---|
226 | ifeq ($(strip $(shell [ $(CC_MAJOR) -ge 4 -a $(CC_MINOR) -ge 1 ] ; echo $$?)),0)
|
---|
227 | # turn off flags which hurt -Os
|
---|
228 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-tree-loop-optimize,)
|
---|
229 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-tree-dominator-opts,)
|
---|
230 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-strength-reduce,)
|
---|
231 |
|
---|
232 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-branch-count-reg,)
|
---|
233 | endif # gcc-4.1 and beyond
|
---|
234 | endif
|
---|
235 | OPTIMIZATION+=$(call check_cc,$(CC),-fomit-frame-pointer,)
|
---|
236 | OPTIMIZATION+=$(call check_cc,$(CC),-ffunction-sections -fdata-sections,)
|
---|
237 |
|
---|
238 | #
|
---|
239 | #--------------------------------------------------------
|
---|
240 | # If you're going to do a lot of builds with a non-vanilla configuration,
|
---|
241 | # it makes sense to adjust parameters above, so you can type "make"
|
---|
242 | # by itself, instead of following it by the same half-dozen overrides
|
---|
243 | # every time. The stuff below, on the other hand, is probably less
|
---|
244 | # prone to casual user adjustment.
|
---|
245 | #
|
---|
246 |
|
---|
247 | ifeq ($(strip $(CONFIG_LFS)),y)
|
---|
248 | # For large file summit support
|
---|
249 | CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
|
---|
250 | endif
|
---|
251 | ifeq ($(strip $(CONFIG_DMALLOC)),y)
|
---|
252 | # For testing mem leaks with dmalloc
|
---|
253 | CFLAGS+=-DDMALLOC
|
---|
254 | LIBRARIES:=-ldmalloc
|
---|
255 | else
|
---|
256 | ifeq ($(strip $(CONFIG_EFENCE)),y)
|
---|
257 | LIBRARIES:=-lefence
|
---|
258 | endif
|
---|
259 | endif
|
---|
260 |
|
---|
261 | # Debugging info
|
---|
262 |
|
---|
263 | ifeq ($(strip $(CONFIG_DEBUG)),y)
|
---|
264 | CFLAGS +=-g
|
---|
265 | else
|
---|
266 | CFLAGS +=-DNDEBUG
|
---|
267 | CHECKED_LDFLAGS += $(call check_ld,$(LD),--sort-common,)
|
---|
268 | ifneq ($(strip $(CONFIG_STATIC)),y)
|
---|
269 | CHECKED_LDFLAGS += $(call check_ld,$(LD),--gc-sections,)
|
---|
270 | endif
|
---|
271 | endif
|
---|
272 |
|
---|
273 | ifneq ($(strip $(CONFIG_DEBUG_PESSIMIZE)),y)
|
---|
274 | CFLAGS += $(OPTIMIZATION)
|
---|
275 | endif
|
---|
276 |
|
---|
277 | # warn a bit more verbosely for non-release versions
|
---|
278 | ifneq ($(EXTRAVERSION),)
|
---|
279 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wstrict-prototypes,)
|
---|
280 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wmissing-prototypes,)
|
---|
281 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wmissing-declarations,)
|
---|
282 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wunused,)
|
---|
283 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Winit-self,)
|
---|
284 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wshadow,)
|
---|
285 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wcast-align,)
|
---|
286 | endif
|
---|
287 | STRIPCMD:=$(call check_strip,$(STRIP),-s --remove-section=.note --remove-section=.comment,$(STRIP))
|
---|
288 | ifeq ($(strip $(CONFIG_STATIC)),y)
|
---|
289 | PROG_CFLAGS += $(call check_cc,$(CC),-static,)
|
---|
290 | endif
|
---|
291 | CFLAGS_SHARED := $(call check_cc,$(CC),-shared,)
|
---|
292 | LIB_CFLAGS+=$(CFLAGS_SHARED)
|
---|
293 |
|
---|
294 | ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
|
---|
295 | CFLAGS_PIC:= $(call check_cc,$(CC),-fPIC,)
|
---|
296 | LIB_CFLAGS+=$(CFLAGS_PIC)
|
---|
297 | endif
|
---|
298 |
|
---|
299 | ifeq ($(strip $(CONFIG_SELINUX)),y)
|
---|
300 | LIBRARIES += -lselinux -lsepol
|
---|
301 | endif
|
---|
302 |
|
---|
303 | ifeq ($(strip $(PREFIX)),)
|
---|
304 | PREFIX:=`pwd`/_install
|
---|
305 | endif
|
---|
306 |
|
---|
307 | ifneq ($(strip $(CONFIG_GETOPT_LONG)),y)
|
---|
308 | CFLAGS += -D__need_getopt
|
---|
309 | endif
|
---|
310 |
|
---|
311 | # Additional complications due to support for pristine source dir.
|
---|
312 | # Include files in the build directory should take precedence over
|
---|
313 | # the copy in top_srcdir, both during the compilation phase and the
|
---|
314 | # shell script that finds the list of object files.
|
---|
315 | # Work in progress by <ldoolitt@recycle.lbl.gov>.
|
---|
316 |
|
---|
317 |
|
---|
318 | OBJECTS:=$(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o
|
---|
319 | CFLAGS += $(CHECKED_CFLAGS) $(CROSS_CFLAGS)
|
---|
320 | LDFLAGS += $(CHECKED_LDFLAGS)
|
---|
321 |
|
---|
322 | ifdef BB_INIT_SCRIPT
|
---|
323 | CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
|
---|
324 | endif
|
---|
325 |
|
---|
326 | # Put user-supplied flags at the end, where they
|
---|
327 | # have a chance of winning.
|
---|
328 | -include $(top_builddir)/.config.mak
|
---|
329 |
|
---|
330 | #------------------------------------------------------------
|
---|
331 | # Installation options
|
---|
332 | ifeq ($(strip $(CONFIG_INSTALL_APPLET_HARDLINKS)),y)
|
---|
333 | INSTALL_OPTS=--hardlinks
|
---|
334 | endif
|
---|
335 | ifeq ($(strip $(CONFIG_INSTALL_APPLET_SYMLINKS)),y)
|
---|
336 | INSTALL_OPTS=--symlinks
|
---|
337 | endif
|
---|
338 | ifeq ($(strip $(CONFIG_INSTALL_APPLET_DONT)),y)
|
---|
339 | INSTALL_OPTS=
|
---|
340 | endif
|
---|
341 |
|
---|
342 | #------------------------------------------------------------
|
---|
343 | # Make the output nice and tight
|
---|
344 | MAKEFLAGS += --no-print-directory
|
---|
345 | export MAKE_IS_SILENT=n
|
---|
346 | ifneq ($(findstring s,$(MAKEFLAGS)),)
|
---|
347 | export MAKE_IS_SILENT=y
|
---|
348 | SECHO := @-false
|
---|
349 | DISP := sil
|
---|
350 | Q := @
|
---|
351 | else
|
---|
352 | ifneq ($(BUILD_VERBOSE),)
|
---|
353 | SECHO := @-false
|
---|
354 | DISP := ver
|
---|
355 | Q :=
|
---|
356 | else
|
---|
357 | SECHO := @echo
|
---|
358 | DISP := pur
|
---|
359 | Q := @
|
---|
360 | endif
|
---|
361 | endif
|
---|
362 |
|
---|
363 | show_objs = $(subst $(top_builddir)/,,$(subst ../,,$@))
|
---|
364 | pur_disp_compile.c = echo " "CC $(show_objs)
|
---|
365 | pur_disp_compile.h = echo " "HOSTCC $(show_objs)
|
---|
366 | pur_disp_strip = echo " "STRIP $(show_objs)
|
---|
367 | pur_disp_link = echo " "LINK $(show_objs)
|
---|
368 | pur_disp_link.h = echo " "HOSTLINK $(show_objs)
|
---|
369 | pur_disp_ar = echo " "AR $(ARFLAGS) $(show_objs)
|
---|
370 | pur_disp_elf2flt = echo " "ELF2FLT $(ELF2FLTFLAGS) $(show_objs)
|
---|
371 | sil_disp_compile.c = true
|
---|
372 | sil_disp_compile.h = true
|
---|
373 | sil_disp_strip = true
|
---|
374 | sil_disp_link = true
|
---|
375 | sil_disp_link.h = true
|
---|
376 | sil_disp_ar = true
|
---|
377 | sil_disp_elf2flt = true
|
---|
378 | ver_disp_compile.c = echo $(cmd_compile.c)
|
---|
379 | ver_disp_compile.h = echo $(cmd_compile.h)
|
---|
380 | ver_disp_strip = echo $(cmd_strip)
|
---|
381 | ver_disp_link = echo $(cmd_link)
|
---|
382 | ver_disp_link.h = echo $(cmd_link.h)
|
---|
383 | ver_disp_ar = echo $(cmd_ar)
|
---|
384 | ver_disp_elf2flt = echo $(cmd_elf2flt)
|
---|
385 | disp_compile.c = $($(DISP)_disp_compile.c)
|
---|
386 | disp_compile.h = $($(DISP)_disp_compile.h)
|
---|
387 | disp_strip = $($(DISP)_disp_strip)
|
---|
388 | disp_link = $($(DISP)_disp_link)
|
---|
389 | disp_link.h = $($(DISP)_disp_link.h)
|
---|
390 | disp_ar = $($(DISP)_disp_ar)
|
---|
391 | disp_gen = $(SECHO) " "GEN $@ ; true
|
---|
392 | disp_doc = $(SECHO) " "DOC $(subst docs/,,$@) ; true
|
---|
393 | disp_elf2flt = $($(DISP)_disp_elf2flt)
|
---|
394 | cmd_compile.c = $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
|
---|
395 | cmd_compile.h = $(HOSTCC) $(HOSTCFLAGS) $(INCS) -c -o $@ $<
|
---|
396 | cmd_strip = $(STRIPCMD) $@
|
---|
397 | cmd_link = $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) \
|
---|
398 | $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
|
---|
399 | -o $@ $(LD_START_GROUP) \
|
---|
400 | $(APPLETS_DEFINE) $(APPLET_SRC) \
|
---|
401 | $(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
|
---|
402 | $(LDBUSYBOX) $(LIBRARIES) \
|
---|
403 | $(LD_END_GROUP)
|
---|
404 | cmd_link.so = $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) \
|
---|
405 | $(LIB_CFLAGS) $(CFLAGS_COMBINE) $(LIB_LDFLAGS) \
|
---|
406 | -o $(@) $(LD_START_GROUP) $(LD_WHOLE_ARCHIVE) \
|
---|
407 | $(LIBRARY_DEFINE) $(^) \
|
---|
408 | $(LD_NO_WHOLE_ARCHIVE) $(LD_END_GROUP)
|
---|
409 | cmd_link.h = $(HOSTCC) $(HOSTCFLAGS) $(INCS) $< -o $@
|
---|
410 | cmd_ar = $(AR) $(ARFLAGS) $@ $^
|
---|
411 | cmd_elf2flt = $(ELF2FLT) $(ELF2FLTFLAGS) $< -o $@
|
---|
412 | compile.c = @$(disp_compile.c) ; $(cmd_compile.c)
|
---|
413 | compile.h = @$(disp_compile.h) ; $(cmd_compile.h)
|
---|
414 | do_strip = @$(disp_strip) ; $(cmd_strip)
|
---|
415 | do_link = @$(disp_link) ; $(cmd_link)
|
---|
416 | do_link.so = @$(disp_link) ; $(cmd_link.so)
|
---|
417 | do_link.h = @$(disp_link.h) ; $(cmd_link.h)
|
---|
418 | do_ar = @$(disp_ar) ; $(cmd_ar)
|
---|
419 | do_elf2flt = @$(disp_elf2flt) ; $(cmd_elf2flt)
|
---|
420 |
|
---|
421 | uppercase = $(shell echo $1 | $(SED) -e "y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/")
|
---|
422 | %.a:
|
---|
423 | @if test -z "$($(call uppercase,$*)_DIR)" ; then \
|
---|
424 | echo "Invalid target $@" ; \
|
---|
425 | exit 1 ; \
|
---|
426 | fi
|
---|
427 | $(Q)$(MAKE) $($(call uppercase,$*)_DIR)$@
|
---|
428 |
|
---|
429 | .PHONY: dummy
|
---|