2 ## Makefile for OpenSSL
18 # INSTALL_PREFIX is for package builders so that they can configure
19 # for, say, /usr/ and yet have everything installed to /tmp/somedir/usr/.
20 # Normally it is left empty.
22 INSTALLTOP=/usr/local/ssl
24 # Do not edit this manually. Use Configure --openssldir=DIR do change this!
25 OPENSSLDIR=/usr/local/ssl
27 # RSAref - Define if we are to link with RSAref.
28 # NO_IDEA - Define to build without the IDEA algorithm
29 # NO_RC4 - Define to build without the RC4 algorithm
30 # NO_RC2 - Define to build without the RC2 algorithm
31 # THREADS - Define when building with threads, you will probably also need any
32 # system defines as well, i.e. _REENTERANT for Solaris 2.[34]
33 # TERMIO - Define the termio terminal subsystem, needed if sgtty is missing.
34 # TERMIOS - Define the termios terminal subsystem, Silicon Graphics.
35 # LONGCRYPT - Define to use HPUX 10.x's long password modification to crypt(3).
36 # DEVRANDOM - Give this the value of the 'random device' if your OS supports
37 # one. 32 bytes will be read from this when the random
38 # number generator is initalised.
39 # SSL_FORBID_ENULL - define if you want the server to be not able to use the
40 # NULL encryption ciphers.
42 # LOCK_DEBUG - turns on lots of lock debug output :-)
43 # REF_CHECK - turn on some xyz_free() assertions.
44 # REF_PRINT - prints some stuff on structure free.
45 # CRYPTO_MDEBUG - turns on my 'memory leak' detecting stuff
46 # MFUNC - Make all Malloc/Free/Realloc calls call
47 # CRYPTO_malloc/CRYPTO_free/CRYPTO_realloc which can be setup to
48 # call application defined callbacks via CRYPTO_set_mem_functions()
49 # MD5_ASM needs to be defined to use the x86 assembler for MD5
50 # SHA1_ASM needs to be defined to use the x86 assembler for SHA1
51 # RMD160_ASM needs to be defined to use the x86 assembler for RIPEMD160
52 # Do not define B_ENDIAN or L_ENDIAN if 'unsigned long' == 8. It must
54 # PKCS1_CHECK - pkcs1 tests.
57 #CFLAG= -DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -m486 -Wall -Wuninitialized -DSHA1_ASM -DMD5_ASM -DRMD160_ASM
58 CFLAG= -DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall -DSHA1_ASM -DMD5_ASM -DRMD160_ASM
67 TARFLAGS= --no-recursion
69 # Set BN_ASM to bn_asm.o if you want to use the C version
72 #BN_ASM= asm/bn86-elf.o # elf, linux-elf
73 #BN_ASM= asm/bn86-sol.o # solaris
74 #BN_ASM= asm/bn86-out.o # a.out, FreeBSD
75 #BN_ASM= asm/bn86bsdi.o # bsdi
76 #BN_ASM= asm/alpha.o # DEC Alpha
77 #BN_ASM= asm/pa-risc2.o # HP-UX PA-RISC
78 #BN_ASM= asm/r3000.o # SGI MIPS cpu
79 #BN_ASM= asm/sparc.o # Sun solaris/SunOS
80 #BN_ASM= asm/bn-win32.o # Windows 95/NT
81 #BN_ASM= asm/x86w16.o # 16 bit code for Windows 3.1/DOS
82 #BN_ASM= asm/x86w32.o # 32 bit code for Windows 3.1
84 # For x86 assembler: Set PROCESSOR to 386 if you want to support
88 # Set DES_ENC to des_enc.o if you want to use the C version
89 #There are 4 x86 assember options.
90 DES_ENC= asm/dx86-out.o asm/yx86-out.o
91 #DES_ENC= des_enc.o fcrypt_b.o # C
92 #DES_ENC= asm/dx86-elf.o asm/yx86-elf.o # elf
93 #DES_ENC= asm/dx86-sol.o asm/yx86-sol.o # solaris
94 #DES_ENC= asm/dx86-out.o asm/yx86-out.o # a.out, FreeBSD
95 #DES_ENC= asm/dx86bsdi.o asm/yx86bsdi.o # bsdi
97 # Set BF_ENC to bf_enc.o if you want to use the C version
98 #There are 4 x86 assember options.
99 BF_ENC= asm/bx86-out.o
101 #BF_ENC= asm/bx86-elf.o # elf
102 #BF_ENC= asm/bx86-sol.o # solaris
103 #BF_ENC= asm/bx86-out.o # a.out, FreeBSD
104 #BF_ENC= asm/bx86bsdi.o # bsdi
106 # Set CAST_ENC to c_enc.o if you want to use the C version
107 #There are 4 x86 assember options.
108 CAST_ENC= asm/cx86-out.o
110 #CAST_ENC= asm/cx86-elf.o # elf
111 #CAST_ENC= asm/cx86-sol.o # solaris
112 #CAST_ENC= asm/cx86-out.o # a.out, FreeBSD
113 #CAST_ENC= asm/cx86bsdi.o # bsdi
115 # Set RC4_ENC to rc4_enc.o if you want to use the C version
116 #There are 4 x86 assember options.
117 RC4_ENC= asm/rx86-out.o
119 #RC4_ENC= asm/rx86-elf.o # elf
120 #RC4_ENC= asm/rx86-sol.o # solaris
121 #RC4_ENC= asm/rx86-out.o # a.out, FreeBSD
122 #RC4_ENC= asm/rx86bsdi.o # bsdi
124 # Set RC5_ENC to rc5_enc.o if you want to use the C version
125 #There are 4 x86 assember options.
126 RC5_ENC= asm/r586-out.o
128 #RC5_ENC= asm/r586-elf.o # elf
129 #RC5_ENC= asm/r586-sol.o # solaris
130 #RC5_ENC= asm/r586-out.o # a.out, FreeBSD
131 #RC5_ENC= asm/r586bsdi.o # bsdi
133 # Also need MD5_ASM defined
134 MD5_ASM_OBJ= asm/mx86-out.o
135 #MD5_ASM_OBJ= asm/mx86-elf.o # elf
136 #MD5_ASM_OBJ= asm/mx86-sol.o # solaris
137 #MD5_ASM_OBJ= asm/mx86-out.o # a.out, FreeBSD
138 #MD5_ASM_OBJ= asm/mx86bsdi.o # bsdi
140 # Also need SHA1_ASM defined
141 SHA1_ASM_OBJ= asm/sx86-out.o
142 #SHA1_ASM_OBJ= asm/sx86-elf.o # elf
143 #SHA1_ASM_OBJ= asm/sx86-sol.o # solaris
144 #SHA1_ASM_OBJ= asm/sx86-out.o # a.out, FreeBSD
145 #SHA1_ASM_OBJ= asm/sx86bsdi.o # bsdi
147 # Also need RMD160_ASM defined
148 RMD160_ASM_OBJ= asm/rm86-out.o
149 #RMD160_ASM_OBJ= asm/rm86-elf.o # elf
150 #RMD160_ASM_OBJ= asm/rm86-sol.o # solaris
151 #RMD160_ASM_OBJ= asm/rm86-out.o # a.out, FreeBSD
152 #RMD160_ASM_OBJ= asm/rm86bsdi.o # bsdi
154 # When we're prepared to use shared libraries in the programs we link here
155 # we might set SHLIB_MARK to '$(SHARED_LIBS)'.
158 DIRS= crypto ssl rsaref $(SHLIB_MARK) apps test tools
159 SHLIBDIRS= crypto ssl
161 # dirs in crypto to build
163 md2 md4 md5 sha mdc2 hmac ripemd \
164 des rc2 rc4 rc5 idea bf cast \
166 buffer bio stack lhash rand err objects \
167 evp asn1 pem x509 x509v3 conf txt_db pkcs7 pkcs12 comp
169 MAKEFILE= Makefile.ssl
170 MAKE= make -f Makefile.ssl
172 MANDIR=$(OPENSSLDIR)/man
179 EDIRS= times doc bugs util include certs ms shlib mt demos perl sf dep VMS
181 LIBS= libcrypto.a libssl.a
182 SHARED_CRYPTO=libcrypto$(SHLIB_EXT)
183 SHARED_SSL=libssl$(SHLIB_EXT)
185 SHARED_LIBS_LINK_EXTS=
189 NAME= $(BASENAME)-$(VERSION)
191 WTARFILE= $(NAME)-win.tar
192 EXHEADER= e_os.h e_os2.h
195 # When we're prepared to use shared libraries in the programs we link here
196 # we might remove 'clean-shared' from the targets to perform at this stage
198 all: clean-shared Makefile.ssl sub_all
203 if [ -d "$$i" ]; then \
204 (cd $$i && echo "making all in $$i..." && \
205 $(MAKE) CC='${CC}' PLATFORM='${PLATFORM}' CFLAG='${CFLAG}' SDIRS='$(SDIRS)' INSTALLTOP='${INSTALLTOP}' PEX_LIBS='${PEX_LIBS}' EX_LIBS='${EX_LIBS}' BN_ASM='${BN_ASM}' DES_ENC='${DES_ENC}' BF_ENC='${BF_ENC}' CAST_ENC='${CAST_ENC}' RC4_ENC='${RC4_ENC}' RC5_ENC='${RC5_ENC}' SHA1_ASM_OBJ='${SHA1_ASM_OBJ}' MD5_ASM_OBJ='${MD5_ASM_OBJ}' RMD160_ASM_OBJ='${RMD160_ASM_OBJ}' AR='${AR}' PROCESSOR='${PROCESSOR}' PERL='${PERL}' RANLIB='${RANLIB}' EXE_EXT='${EXE_EXT}' all ) || exit 1; \
210 if echo "$(DIRS)" | \
211 egrep '(^| )(crypto|ssl)( |$$)' > /dev/null 2>&1 && \
212 [ -n "$(SHARED_LIBS)" ]; then \
213 $(MAKE) $(SHARED_LIBS); \
216 libcrypto$(SHLIB_EXT): libcrypto.a
217 @if [ "$(SHLIB_TARGET)" != "" ]; then \
218 $(MAKE) SHLIBDIRS=crypto build-shared; \
220 echo "There's no support for shared libraries on this platform" >&2; \
222 libssl$(SHLIB_EXT): libcrypto$(SHLIB_EXT) libssl.a
223 @if [ "$(SHLIB_TARGET)" != "" ]; then \
224 $(MAKE) SHLIBDIRS=ssl SHLIBDEPS='-lcrypto' build-shared; \
226 echo "There's no support for shared libraries on this platform" >&2; \
230 @for i in $(SHLIBDIRS); do \
231 if [ -n "$(SHARED_LIBS_LINK_EXTS)" ]; then \
232 tmp="$(SHARED_LIBS_LINK_EXTS)"; \
233 for j in $${tmp:-x}; do \
234 ( set -x; rm -f lib$$i$$j ); \
237 ( set -x; rm -f lib$$i$(SHLIB_EXT) ); \
241 @for i in $(SHLIBDIRS); do \
242 prev=lib$$i$(SHLIB_EXT); \
243 if [ -n "$(SHARED_LIBS_LINK_EXTS)" ]; then \
244 tmp="$(SHARED_LIBS_LINK_EXTS)"; \
245 for j in $${tmp:-x}; do \
246 ( set -x; ln -f -s $$prev lib$$i$$j ); \
252 build-shared: clean-shared do_$(SHLIB_TARGET) link-shared
254 do_bsd-gcc-shared: do_gnu-shared
255 do_linux-shared: do_gnu-shared
257 libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
258 ( set -x; ${CC} -shared -o lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
259 -Wl,-S,-soname=lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
260 -Wl,--whole-archive lib$$i.a \
261 -Wl,--no-whole-archive $$libs ${EX_LIBS} -lc ) || exit 1; \
262 libs="$$libs -l$$i"; \
265 # This assumes that GNU utilities are *not* used
266 do_alpha-osf1-shared:
267 libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
268 ( set -x; ${CC} -shared -no_archive -o lib$$i.so \
269 -set_version "${SHLIB_VERSION_HISTORY}${SHLIB_VERSION_NUMBER}" \
270 -all lib$$i.a -none $$libs ${EX_LIBS} -lc ) || exit 1; \
271 libs="$$libs -l$$i"; \
274 # This assumes that GNU utilities are *not* used
275 # The difference between alpha-osf1-shared and tru64-shared is the `-msym'
276 # option passed to the linker.
278 libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
279 ( set -x; ${CC} -shared -msym -no_archive -o lib$$i.so \
280 -set_version "${SHLIB_VERSION_HISTORY}${SHLIB_VERSION_NUMBER}" \
281 -all lib$$i.a -none $$libs ${EX_LIBS} -lc ) || exit 1; \
282 libs="$$libs -l$$i"; \
285 # This assumes that GNU utilities are *not* used
286 # The difference between tru64-shared and tru64-shared-rpath is the
287 # -rpath ${INSTALLTOP}/lib passed to the linker.
288 do_tru64-shared-rpath:
289 libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
290 ( set -x; ${CC} -shared -msym -no_archive -o lib$$i.so \
291 -rpath ${INSTALLTOP}/lib \
292 -set_version "${SHLIB_VERSION_HISTORY}${SHLIB_VERSION_NUMBER}" \
293 -all lib$$i.a -none $$libs ${EX_LIBS} -lc ) || exit 1; \
294 libs="$$libs -l$$i"; \
298 # This assumes that GNU utilities are *not* used
300 libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
301 ( PATH=/usr/ccs/bin:$$PATH ; export PATH; \
302 set -x; ${CC} -G -o lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
303 -h lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
304 -z allextract lib$$i.a $$libs ${EX_LIBS} -lc ) || exit 1; \
305 libs="$$libs -l$$i"; \
308 # UnixWare 7 and OpenUNIX 8 native compilers used
310 libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
311 ( PATH=/usr/ccs/bin:$$PATH ; export PATH; \
312 find . -name "*.o" -print > allobjs ; \
313 OBJS= ; export OBJS ; \
314 for obj in `ar t lib$$i.a` ; do \
315 OBJS="$${OBJS} `grep $$obj allobjs`" ; \
317 set -x; ${CC} -G -o lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
318 -h lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
319 $${OBJS} $$libs ${EX_LIBS} ) || exit 1; \
320 libs="$$libs -l$$i"; \
323 Makefile.ssl: Makefile.org
324 @echo "Makefile.ssl is older than Makefile.org."
325 @echo "Reconfigure the source tree (via './config' or 'perl Configure'), please."
329 rm -f *.a */lib */*/lib
332 rm -f shlib/*.o *.o core a.out fluff *.map rehash.time testlog make.log cctest cctest.c
335 if [ -d "$$i" ]; then \
336 (cd $$i && echo "making clean in $$i..." && \
337 $(MAKE) SDIRS='${SDIRS}' clean ) || exit 1; \
341 rm -f *.a *.o speed.* *.map *.so .pure core
343 @for i in $(ONEDIRS) ;\
349 $(PERL) util/mk1mf.pl >makefile.one; \
353 $(PERL) $(TOP)/util/files.pl Makefile.ssl > $(TOP)/MINFO
356 if [ -d "$$i" ]; then \
357 (cd $$i && echo "making 'files' in $$i..." && \
358 $(MAKE) SDIRS='${SDIRS}' PERL='${PERL}' files ) || exit 1; \
363 @$(TOP)/util/point.sh Makefile.ssl Makefile
364 @$(PERL) $(TOP)/util/mkdir-p.pl include/openssl
365 @$(PERL) $(TOP)/util/mklink.pl include/openssl $(EXHEADER)
366 @for i in $(DIRS); do \
367 if [ -d "$$i" ]; then \
368 (cd $$i && echo "making links in $$i..." && \
369 $(MAKE) CC='${CC}' PLATFORM='${PLATFORM}' CFLAG='${CFLAG}' SDIRS='$(SDIRS)' INSTALLTOP='${INSTALLTOP}' PEX_LIBS='${PEX_LIBS}' EX_LIBS='${EX_LIBS}' BN_ASM='${BN_ASM}' DES_ENC='${DES_ENC}' BF_ENC='${BF_ENC}' CAST_ENC='${CAST_ENC}' RC4_ENC='${RC4_ENC}' RC5_ENC='${RC5_ENC}' SHA1_ASM_OBJ='${SHA1_ASM_OBJ}' MD5_ASM_OBJ='${MD5_ASM_OBJ}' RMD160_ASM_OBJ='${RMD160_ASM_OBJ}' AR='${AR}' PERL='${PERL}' links ) || exit 1; \
377 if [ -d "$$i" ]; then \
378 (cd $$i && echo "making dclean in $$i..." && \
379 $(MAKE) SDIRS='${SDIRS}' PERL='${PERL}' dclean ) || exit 1; \
385 @(OPENSSL="`pwd`/apps/openssl"; export OPENSSL; $(PERL) tools/c_rehash certs)
391 @(cd test && echo "testing..." && \
392 $(MAKE) CC='${CC}' CFLAG='${CFLAG}' INSTALLTOP='${INSTALLTOP}' PEX_LIBS='${PEX_LIBS}' EX_LIBS='${EX_LIBS}' BN_ASM='${BN_ASM}' DES_ENC='${DES_ENC}' BF_ENC='${BF_ENC}' CAST_ENC='${CAST_ENC}' RC4_ENC='${RC4_ENC}' RC5_ENC='${RC5_ENC}' SDIRS='${SDIRS}' SHA1_ASM_OBJ='${SHA1_ASM_OBJ}' MD5_ASM_OBJ='${MD5_ASM_OBJ}' RMD160_ASM_OBJ='${RMD160_ASM_OBJ}' AR='${AR}' EXE_EXT='${EXE_EXT}' tests );
393 @apps/openssl version -a
396 @$(PERL) util/selftest.pl
401 if [ -d "$$i" ]; then \
402 (cd $$i && echo "making dependencies $$i..." && \
403 $(MAKE) SDIRS='${SDIRS}' DEPFLAG='${DEPFLAG}' depend ) || exit 1; \
410 if [ -d "$$i" ]; then \
411 (cd $$i && echo "making lint $$i..." && \
412 $(MAKE) SDIRS='${SDIRS}' lint ) || exit 1; \
419 if [ -d "$$i" ]; then \
420 (cd $$i && echo "making tags $$i..." && \
421 $(MAKE) SDIRS='${SDIRS}' tags ) || exit 1; \
426 perl util/mkerr.pl -recurse -write
429 perl util/mkstack.pl -write
432 perl util/mkdef.pl crypto update
435 perl util/mkdef.pl ssl update
437 crypto/objects/obj_dat.h: crypto/objects/obj_mac.h crypto/objects/obj_dat.pl
438 perl crypto/objects/obj_dat.pl crypto/objects/obj_mac.h crypto/objects/obj_dat.h
439 crypto/objects/obj_mac.h: crypto/objects/objects.pl crypto/objects/objects.txt
440 perl crypto/objects/objects.pl crypto/objects/objects.txt crypto/objects/obj_mac.num crypto/objects/obj_mac.h
443 (echo 'Output of `Configure TABLE'"':"; \
444 perl Configure TABLE) > TABLE
446 update: depend errors stacks util/libeay.num util/ssleay.num crypto/objects/obj_dat.h TABLE
449 @$(TAR) $(TARFLAGS) -cvf - \
450 `find * \! -path CVS/\* \! -path \*/CVS/\* \! -name CVS \! -name .cvsignore \! -name STATUS \! -name TABLE | sort` |\
451 tardy --user_number=0 --user_name=openssl \
452 --group_number=0 --group_name=openssl \
453 --prefix=openssl-$(VERSION) - |\
454 gzip --best >../$(TARFILE).gz; \
455 ls -l ../$(TARFILE).gz
458 $(PERL) Configure dist
460 @$(MAKE) SDIRS='${SDIRS}' clean
464 (cd crypto/pem; $(MAKE) CC='${CC}' SDIRS='${SDIRS}' CFLAG='${CFLAG}' pem.h; $(MAKE) clean)
466 install: all install_docs
467 @$(PERL) $(TOP)/util/mkdir-p.pl $(INSTALL_PREFIX)$(INSTALLTOP)/bin \
468 $(INSTALL_PREFIX)$(INSTALLTOP)/lib \
469 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl \
470 $(INSTALL_PREFIX)$(OPENSSLDIR)/misc \
471 $(INSTALL_PREFIX)$(OPENSSLDIR)/certs \
472 $(INSTALL_PREFIX)$(OPENSSLDIR)/private \
473 $(INSTALL_PREFIX)$(OPENSSLDIR)/lib
474 @for i in $(EXHEADER) ;\
476 (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
477 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
481 if [ -d "$$i" ]; then \
482 (cd $$i; echo "installing $$i..."; \
483 $(MAKE) CC='${CC}' CFLAG='${CFLAG}' INSTALL_PREFIX='${INSTALL_PREFIX}' INSTALLTOP='${INSTALLTOP}' OPENSSLDIR='${OPENSSLDIR}' EX_LIBS='${EX_LIBS}' SDIRS='${SDIRS}' RANLIB='${RANLIB}' EXE_EXT='${EXE_EXT}' install ); \
488 if [ -f "$$i" ]; then \
489 ( echo installing $$i; \
490 cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/lib; \
491 $(RANLIB) $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i; \
492 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i ); \
495 @if [ -n "$(SHARED_LIBS)" ]; then \
496 tmp="$(SHARED_LIBS)"; \
497 for i in $${tmp:-x}; \
499 if [ -f "$$i" ]; then \
500 ( echo installing $$i; \
501 cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/lib; \
502 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i ); \
506 cd $(INSTALL_PREFIX)$(INSTALLTOP)/lib; \
507 make -f $$here/Makefile link-shared ); \
511 @$(PERL) $(TOP)/util/mkdir-p.pl \
512 $(INSTALL_PREFIX)$(MANDIR)/man1 \
513 $(INSTALL_PREFIX)$(MANDIR)/man3 \
514 $(INSTALL_PREFIX)$(MANDIR)/man5 \
515 $(INSTALL_PREFIX)$(MANDIR)/man7
516 @for i in doc/apps/*.pod; do \
517 fn=`basename $$i .pod`; \
518 if [ "$$fn" = "config" ]; then sec=5; else sec=1; fi; \
519 echo "installing man$$sec/`basename $$i .pod`.$$sec"; \
521 $(PERL) ../../util/pod2man.pl --section=$$sec --center=OpenSSL \
522 --release=$(VERSION) `basename $$i`) \
523 > $(INSTALL_PREFIX)$(MANDIR)/man$$sec/`basename $$i .pod`.$$sec; \
525 @for i in doc/crypto/*.pod doc/ssl/*.pod; do \
526 fn=`basename $$i .pod`; \
527 if [ "$$fn" = "des_modes" ]; then sec=7; else sec=3; fi; \
528 echo "installing man$$sec/`basename $$i .pod`.$$sec"; \
530 $(PERL) ../../util/pod2man.pl --section=$$sec --center=OpenSSL \
531 --release=$(VERSION) `basename $$i`) \
532 > $(INSTALL_PREFIX)$(MANDIR)/man$$sec/`basename $$i .pod`.$$sec; \
535 # DO NOT DELETE THIS LINE -- make depend depends on it.