git.distorted.org.uk Git - u/mdw/catacomb/blob - Makefile.m4

   1 ## -*-makefile-*-
   2 ##
   3 ## $Id: Makefile.m4,v 1.59 2003/05/16 00:54:50 mdw Exp $
   4 ##
   5 ## Makefile for Catacomb
   6 ##
   7 ## (c) 1999 Straylight/Edgeware
   8 ##
   9
  10 ##----- Licensing notice ----------------------------------------------------
  11 ##
  12 ## This file is part of Catacomb.
  13 ##
  14 ## Catacomb is free software; you can redistribute it and/or modify
  15 ## it under the terms of the GNU Library General Public License as
  16 ## published by the Free Software Foundation; either version 2 of the
  17 ## License, or (at your option) any later version.
  18 ##
  19 ## Catacomb is distributed in the hope that it will be useful,
  20 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ## GNU Library General Public License for more details.
  23 ##
  24 ## You should have received a copy of the GNU Library General Public
  25 ## License along with Catacomb; if not, write to the Free
  26 ## Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  27 ## MA 02111-1307, USA.
  28
  29 ##----- Revision history ----------------------------------------------------
  30 ##
  31 ## $Log: Makefile.m4,v $
  32 ## Revision 1.59  2003/05/16 00:54:50  mdw
  33 ## Install pixie to fake root if wanted.  Ship `desx-tab.h'
  34 ##
  35 ## Revision 1.58  2002/10/19 17:56:50  mdw
  36 ## Fix bit operations.  Test them (a bit) better.
  37 ##
  38 ## Revision 1.57  2002/10/15 22:58:29  mdw
  39 ## Fast estimation of number representation lengths.
  40 ##
  41 ## Revision 1.56  2001/06/16 13:01:10  mdw
  42 ## New source files and tests.
  43 ##
  44 ## Revision 1.55  2001/05/08 22:17:41  mdw
  45 ## New cipher Noekeon added.
  46 ##
  47 ## Revision 1.54  2001/05/07 17:32:52  mdw
  48 ## New Rijndael block sizes.
  49 ##
  50 ## Revision 1.53  2001/04/29 18:11:19  mdw
  51 ## New block cipher MARS.
  52 ##
  53 ## Revision 1.52  2001/04/29 17:37:35  mdw
  54 ## Added SAFER block cipher.
  55 ##
  56 ## Revision 1.51  2001/04/19 18:26:32  mdw
  57 ## Add CRC as another hash function.
  58 ##
  59 ## Revision 1.50  2001/04/06 22:05:10  mdw
  60 ## Add support for SSL pseudo-random function.
  61 ##
  62 ## Revision 1.49  2001/04/04 20:10:52  mdw
  63 ## Add support for the TLS pseudo-random function.
  64 ##
  65 ## Revision 1.48  2001/04/03 19:36:50  mdw
  66 ## New block cipher DESX added.
  67 ##
  68 ## Revision 1.47  2001/03/03 13:14:13  mdw
  69 ## Distribute md2-tab.h
  70 ##
  71 ## Revision 1.46  2001/02/21 20:03:22  mdw
  72 ## Added support for MD2 hash function.
  73 ##
  74 ## Revision 1.45  2001/02/03 16:09:41  mdw
  75 ## New files added.
  76 ##
  77 ## Revision 1.44  2000/10/15 17:49:00  mdw
  78 ## New SHA variants with longer outputs.
  79 ##
  80 ## Revision 1.43  2000/10/08 16:01:26  mdw
  81 ## Add binary poly arithmetic.  Tidy table generation stuff.  Distribute
  82 ## calc prototypes.
  83 ##
  84 ## Revision 1.42  2000/10/08 12:16:06  mdw
  85 ## Remove vestiges of @primorial@.
  86 ##
  87 ## Revision 1.41  2000/08/15 21:46:20  mdw
  88 ## Set up the dependencies on primetab.[ch] and mptypes.h properly.
  89 ## There's some m4 hacking, but it's worth it not to have to recompile all
  90 ## the cipher modes.
  91 ##
  92 ## Revision 1.40  2000/08/06 10:50:55  mdw
  93 ## (mkphrase): New program for generating random passphrases with measured
  94 ## strength.
  95 ##
  96 ## Revision 1.39  2000/07/29 21:55:32  mdw
  97 ## Make sure the pixie is installed setuid-root (workaround for an Automake
  98 ## bug).  Install new manpages.
  99 ##
 100 ## Revision 1.38  2000/07/29 10:54:55  mdw
 101 ## Further fixing to support building using normal `make' again. ;-)  I
 102 ## think we're there now.
 103 ##
 104 ## Revision 1.37  2000/07/29 10:02:36  mdw
 105 ## Lots of fixing to support `make -j' building.
 106 ##
 107 ## Revision 1.36  2000/07/20 20:13:38  mdw
 108 ## Added Bellare and Rogaway's PSS encoding for RSA signatures.
 109 ##
 110 ## Revision 1.35  2000/07/16 20:00:46  mdw
 111 ## Bug fixes to distribution.
 112 ##
 113 ## Revision 1.34  2000/07/15 20:55:32  mdw
 114 ## More hashes and ciphers.  An extra tool.
 115 ##
 116 ## Revision 1.33  2000/07/09 21:34:15  mdw
 117 ## New hash functions and other stuff.
 118 ##
 119 ## Revision 1.32  2000/07/01 11:27:32  mdw
 120 ## Name changes and new files.
 121 ##
 122 ## Revision 1.31  2000/06/25 13:02:07  mdw
 123 ## Fix cleaning of generated files.
 124 ##
 125 ## Revision 1.30  2000/06/22 19:10:33  mdw
 126 ## Fix Makefile to test mp-sqrt.c.
 127 ##
 128 ## Revision 1.29  2000/06/22 19:04:19  mdw
 129 ## More new functions to be added.
 130 ##
 131 ## Revision 1.28  2000/06/18 23:31:18  mdw
 132 ## Rearrange build order to ensure that `mptypes.h' exists by the time it's
 133 ## needed.
 134 ##
 135 ## Revision 1.27  2000/06/17 13:28:50  mdw
 136 ## Minor tidying and fixing.
 137 ##
 138 ## Revision 1.26  2000/06/17 10:33:43  mdw
 139 ## Lots of new ciphers and other files.
 140 ##
 141 ## Revision 1.25  2000/02/12 18:55:40  mdw
 142 ## Make it all compile properly.
 143 ##
 144 ## Revision 1.24  2000/02/12 18:22:26  mdw
 145 ## Missed a file.  Whoops.
 146 ##
 147 ## Revision 1.23  2000/02/12 18:21:01  mdw
 148 ## Overhaul of key management (again).
 149 ##
 150 ## Revision 1.22  1999/12/22 16:04:06  mdw
 151 ## Lots of new files.
 152 ##
 153 ## Revision 1.21  1999/12/13 15:47:58  mdw
 154 ## Fix a couple of minor bugs in the distribution set.
 155 ##
 156 ## Revision 1.19  1999/12/11 10:58:24  mdw
 157 ## Fix bug in test rig link flags.  Add Karatsuba squaring.
 158 ##
 159 ## Revision 1.18  1999/12/10 23:30:01  mdw
 160 ## Lots of new files.
 161 ##
 162 ## Revision 1.17  1999/11/25 11:38:31  mdw
 163 ## Support for conversions between MPs and C integers.
 164 ##
 165 ## Revision 1.16  1999/11/22 20:51:33  mdw
 166 ## Add yet more source files.
 167 ##
 168 ## Revision 1.15  1999/11/22 14:08:30  mdw
 169 ## Improve dependencies for test programs.
 170 ##
 171 ## Revision 1.14  1999/11/22 00:17:09  mdw
 172 ## Create object files for test programs so that rebuilding doesn't take so
 173 ## long.
 174 ##
 175 ## Revision 1.12  1999/11/20 22:36:26  mdw
 176 ## Improve dependencies.  Move mpx testing into mpx.c.
 177 ##
 178 ## Revision 1.11  1999/11/20 22:24:53  mdw
 179 ## Add Diffie-Hellman support.
 180 ##
 181 ## Revision 1.10  1999/11/19 19:28:24  mdw
 182 ## Add DSA files and tests.
 183 ##
 184 ## Revision 1.9  1999/11/17 18:05:35  mdw
 185 ## Many new files and test cases for multiprecision arithmetic.
 186 ##
 187 ## Revision 1.8  1999/11/13 01:56:07  mdw
 188 ## Include multiprecision maths stuff.
 189 ##
 190 ## Revision 1.7  1999/11/11 19:01:02  mdw
 191 ## Use `libtool' to generate a shared library.
 192 ##
 193 ## Revision 1.6  1999/11/11 17:47:34  mdw
 194 ## Updates for new configuration system, and `mptypes' generator.
 195 ##
 196 ## Revision 1.5  1999/11/11 00:59:17  mdw
 197 ## Minor reformatting.
 198 ##
 199 ## Revision 1.4  1999/10/24 10:20:36  mdw
 200 ## Modify for standalone distribution.  The library's getting far too large
 201 ## to be sensibly embedded in other programs.
 202 ##
 203 ## Revision 1.3  1999/10/24 10:04:26  mdw
 204 ## Install headers in the right directory.
 205 ##
 206 ## Revision 1.2  1999/10/23 12:55:35  mdw
 207 ## The `CVS' directory can't be hardlinked.  Don't worry about this
 208 ## overmuch.
 209 ##
 210 ## Revision 1.1  1999/09/03 08:41:11  mdw
 211 ## Initial import.
 212 ##
 213
 214 AUTOMAKE_OPTIONS = foreign
 215
 216 SUBDIRS = tests
 217
 218 archincludedir = $(libdir)/catacomb/include
 219
 220 ## --- List handling macros ---
 221 ##
 222 ## List handling is nice, usually.  Unfortunately, I based this design on
 223 ## TeX list macros rather than anything sensible...
 224
 225 define(`_', `define(`_item', $1)define(`_item_2', $2)emit`'')
 226 define(`adorn', `pushdef(`emit', `$1`'_item`'$3')$2`'popdef(`emit')')
 227 define(`join',
 228 `pushdef(`emit', `adorn(``_(''_item`$2', `$3', ``)'')`'')$1`'popdef(`emit')')
 229 define(`addsuffix', `adorn(`', `$1', `$2')')
 230 define(`lit', `adorn(`', `$1', `')')
 231 define(`nl', `
 232 ')
 233
 234 define(`allwithsuffix',
 235 `addsuffix(`$1', `$3') addsuffix(`$2', `$3') dnl
 236 addsuffix(join(`$1', `-', `$2'), `$3')')
 237
 238 ## --- Autogenerated source files ---
 239
 240 define(`ciphers', `dnl
 241 _(des) _(desx) _(des3) _(mars) dnl
 242 _(idea) _(safer) _(safersk) dnl
 243 _(blowfish) _(twofish) dnl
 244 _(tea) _(xtea) dnl
 245 _(rc2) _(rc5) dnl
 246 _(skipjack) dnl
 247 _(cast128) _(cast256) dnl
 248 _(square) _(rijndael) _(rijndael192) _(rijndael256) dnl
 249 _(serpent) _(noekeon)')
 250 define(`cipher_modes', `_(ecb) _(cbc) _(cfb) _(ofb) _(counter)')
 251
 252 define(`hashes', `dnl
 253 _(md5) _(md4) _(md2) _(tiger) dnl
 254 _(sha) _(sha256) _(sha384) _(sha512) dnl
 255 _(rmd128) _(rmd160) _(rmd256) _(rmd320)')
 256 define(`hash_modes', `_(mgf) _(hmac)')
 257
 258 MODES = \
 259         adorn(`$(srcdir)/', join(`ciphers', `-', `cipher_modes'), `.c') \
 260         adorn(`$(srcdir)/', join(`ciphers', `-', `cipher_modes'), `.h') \
 261         adorn(`$(srcdir)/', join(`hashes', `-', `hash_modes'), `.c') \
 262         adorn(`$(srcdir)/', join(`hashes', `-', `hash_modes'), `.h')
 263
 264 $(MODES): modes-stamp
 265 modes-stamp: genmodes
 266         cd $(srcdir); ./genmodes "lit(`ciphers')" "lit(`cipher_modes')"
 267         cd $(srcdir); ./genmodes "lit(`hashes')" "lit(`hash_modes')"
 268         echo datestamp >modes-stamp
 269
 270 define(`gen_tables', `dnl
 271 _(des) _(blowfish) _(twofish) dnl
 272 _(square) _(rijndael) dnl
 273 _(safer) _(mars) _(tiger) dnl
 274 _(gfshare) _(gfx-sqr)')
 275
 276 autoheaders: addsuffix(`gen_tables', `-tab.h') primetab.h mptypes.h
 277 define(`emit', `
 278 _item`'-tab.h: _item`'-mktab
 279         ./_item`'-mktab >_item`'-tab.h')dnl
 280 gen_tables
 281
 282 primetab.h: primetab.c
 283 primetab.c: genprimes
 284         ./genprimes -h primetab.h -c primetab.c -n 256 \
 285                 -t "unsigned short" -i primetab
 286 archinclude_HEADERS = mptypes.h
 287 mptypes.h: mptypes
 288         ./mptypes >mptypes.h
 289
 290 BUILT_SOURCES = \
 291         getdate.c modes-stamp \
 292         addsuffix(join(`ciphers', `-', `cipher_modes'), `.c') \
 293         addsuffix(join(`ciphers', `-', `cipher_modes'), `.h') \
 294         addsuffix(join(`hashes', `-', `hash_modes'), `.c') \
 295         addsuffix(join(`hashes', `-', `hash_modes'), `.h')
 296
 297 ## --- Building the main library ---
 298
 299 lib_LTLIBRARIES = libcatacomb.la
 300
 301 libcatacomb_la_LDFLAGS = -version-info 2:0:0
 302 ## Middle number is the patchlevel.  Final number is the minor version.  The
 303 ## difference between the first and last numbers is major version.
 304
 305 pkginclude_HEADERS = \
 306         arena.h paranoia.h \
 307         blkc.h hash.h gcipher.h ghash.h gmac.h grand.h ghash-def.h \
 308         lcrand.h fibrand.h rc4.h seal.h rand.h noise.h fipstest.h maurer.h \
 309         key.h key-data.h passphrase.h pixie.h lmem.h \
 310         mpx.h bitops.h mpw.h mpscan.h mparena.h mp.h mptext.h mpint.h \
 311         exp.h mpbarrett.h mpmont.h mpcrt.h mprand.h mpmul.h \
 312         gfx.h \
 313         primetab.h pfilt.h rabin.h \
 314         pgen.h prim.h strongprime.h limlee.h keycheck.h \
 315         bbs.h rsa.h dh.h dsarand.h dsa.h \
 316         oaep.h pkcs1.h pss.h tlsprf.h sslprf.h \
 317         gfshare.h share.h \
 318         rho.h \
 319         allwithsuffix(`ciphers', `cipher_modes', `.h') \
 320         allwithsuffix(`hashes', `hash_modes', `.h') \
 321         addsuffix(`cipher_modes', `-def.h') \
 322         addsuffix(`hash_modes', `-def.h') crc32.h
 323
 324 define(`MP_SOURCES',
 325         `mpx.c mpx-kmul.c mpx-ksqr.c mpscan.c mparena.c \
 326         mp-misc.c mp-mem.c mp-const.c mp-io.c mp-arith.c mp-test.c \
 327         mp-sqrt.c mp-gcd.c mp-jacobi.c mp-modsqrt.c \
 328         mpint.c mptext.c mptext-file.c mptext-string.c mptext-dstr.c \
 329         mptext-len.c \
 330         exp.c mpcrt.c mpmul.c mprand.c \
 331         mpbarrett.c mpbarrett-mexp.c mpbarrett-exp.h \
 332         mpmont.c mpmont-mexp.c mpmont-exp.h \
 333         rho.c \
 334         GF_SOURCES PGEN_SOURCES')
 335
 336 define(`GF_SOURCES',
 337         `gfx.c gfx-kmul.c gfx-sqr.c')
 338
 339 define(`PGEN_SOURCES',
 340         `pfilt.c rabin.c \
 341         pgen.c pgen-stdev.c pgen-safe.c pgen-gcd.c prim.c strongprime.c \
 342         limlee.c \
 343         keycheck.c keycheck-mp.c keycheck-report.c \
 344         bbs-rand.c bbs-gen.c bbs-jump.c bbs-fetch.c \
 345         rsa-priv.c rsa-pub.c rsa-gen.c rsa-recover.c rsa-fetch.c \
 346         dh-gen.c dh-limlee.c dh-check.c dh-fetch.c \
 347         dsarand.c dsa-sign.c dsa-verify.c dsa-gen.c dsa-check.c \
 348         key-data.c key-flags.c key-text.c key-binary.c key-pass.c \
 349         key-pack.c key-misc.c key-file.c key-attr.c key-io.c key-moan.c \
 350         key-error.c key-fetch.c \
 351         primetab.c share.c')
 352
 353 libcatacomb_la_SOURCES = \
 354         grand.c keysz.c \
 355         lcrand.c fibrand.c rc4.c seal.c rand.c noise.c fipstest.c maurer.c \
 356         arena.c \
 357         passphrase.c pixie-client.c pixie-common.c lmem.c \
 358         oaep.c pkcs1.c pss.c tlsprf.c sslprf.c \
 359         gfshare.c \
 360         MP_SOURCES karatsuba.h \
 361         des-base.c des-base.h \
 362         desx-tab.h \
 363         cast-s.c cast-sk.c cast-base.h cast-tab.h \
 364         rijndael-base.c rijndael-base.h \
 365         md2-tab.h \
 366         serpent-sbox.h skipjack-tab.h tiger-base.h \
 367         daftstory.h \
 368         addsuffix(join(`ciphers', `-', `cipher_modes'), `.c') \
 369         addsuffix(join(`hashes', `-', `hash_modes'), `.c') \
 370         addsuffix(`ciphers', `.c') addsuffix(`hashes', `.c') crc32.c
 371
 372 des-base.lo: des-tab.h
 373 blowfish.lo: blowfish-tab.h
 374 twofish.lo: twofish-tab.h
 375 square.lo: square-tab.h
 376 rijndael-base.lo: rijndael-tab.h
 377 safer.lo: safer-tab.h
 378 mars.lo: mars-tab.h
 379 tiger.lo: tiger-tab.h
 380 gfshare.lo: gfshare-tab.h
 381 gfx-sqr.lo: gfx-sqr-tab.h
 382 patsubst(MP_SOURCES, `\.c\>', `.lo') dsig.o keyutil.o rspit.o: mptypes.h
 383 patsubst(PGEN_SOURCES, `\.c\>', `.lo') dsig.o keyutil.o rspit.o: primetab.h
 384
 385 ## --- Utility programs ---
 386
 387 bin_PROGRAMS = dsig key pixie rspit factorial hashsum mkphrase
 388 bin_SCRIPTS = catacomb-config xpixie
 389 noinst_PROGRAMS = \
 390         genprimes mptypes serpent-check bittest \
 391         addsuffix(`gen_tables', `-mktab')
 392 LDADD = libcatacomb.la
 393
 394 dsig_SOURCES = dsig.c getdate.y getdate.h
 395 key_SOURCES = keyutil.c getdate.y getdate.h
 396 hashsum_SOURCES = hashsum.c
 397 rspit_SOURCES = rspit.c
 398 factorial_SOURCES = factorial.c
 399 pixie_SOURCES = pixie.c pixie-common.c lmem.c arena.c
 400 pixie_LDADD =
 401 mkphrase_SOURCES = mkphrase.c
 402 bittest_SOURCES = bittest.c
 403 bittest_LDADD =
 404
 405 define(`emit', `
 406 patsubst(_item, `[^a-zA-Z0-9]', `_')_mktab_SOURCES = _item`'-mktab.c
 407 patsubst(_item, `[^a-zA-Z0-9]', `_')_mktab_LDADD =')dnl
 408 gen_tables
 409
 410 serpent_check_SOURCES = serpent-check.c
 411 serpent_check_LDADD =
 412
 413 genprimes_SOURCES = genprimes.c
 414 genprimes_LDADD =
 415
 416 mptypes_SOURCES = mptypes.c
 417 mptypes_LDADD =
 418
 419 ## --- Install the pixie setuid-root if we can ---
 420 ##
 421 ## Bodge around a bug in Automake: it doesn't call `install-exec-hook' from
 422 ## `install' if there are subdirectories.
 423
 424 changequote(<, >)
 425 install: install-exec-hook
 426 install-exec-hook:
 427         @pixie="$(DESTDIR)$(bindir)/`echo pixie|sed $(transform)`"; \
 428         if chown root $$pixie && chmod 4755 $$pixie; then \
 429           echo "chown root $$pixie"; \
 430           echo "chmod 4755 $$pixie"; \
 431         else \
 432           echo "***"; \
 433           echo "*** You should probably install $$pixie setuid-root."; \
 434           echo "***"; \
 435         fi
 436 changequote(`, ')
 437
 438 ## --- Documentation ---
 439
 440 man_MANS = key.1 hashsum.1 keyring.5 pixie.1
 441
 442 ## --- Other handy definitions ---
 443
 444 EXTRA_DIST = \
 445         Makefile.m4 genmodes $(man_MANS) xpixie \
 446         README.cipher README.hash README.random README.mp
 447
 448 dist-hook:
 449         @ln getdate.c $(distdir) || ln $(srcdir)/getdate.c $(distdir) || true
 450         @echo datestamp >$(distdir)/modes-stamp || true
 451         @for i in calc tests; do \
 452           mkdir $(distdir)/$$i; \
 453           ln $(srcdir)/$$i/*[!~] $(distdir)/$$i; \
 454         done || true
 455 #       kr=$$HOME/.catacomb/dsig-keyring; \
 456 #       if [ -r $$kr ]; then \
 457 #         cd $(distdir); \
 458 #         ../key -k $$kr extract -f -secret KEYRING; \
 459 #         find . -type f -print0 | ../dsig -k $$kr sign -0 -oMANIFEST; \
 460 #       fi
 461
 462 ## --- Testing ---
 463
 464 define(`testprogs', `')
 465
 466 define(`CTESTRIG',
 467 `define(`testprogs', testprogs \
 468         $1.t)dnl
 469 $1.to: $1.c
 470         $(COMPILE) -c -DTEST_RIG -DSRCDIR=\"$(srcdir)\" $(srcdir)/$1.c -o $1.to
 471 $1.t: $1.to $1.o libcatacomb.la
 472         $(CC) $(CFLAGS) $(LDFLAGS) $1.to .libs/libcatacomb.a $(LIBS) -o $1.t')
 473
 474 CTESTRIG(rc4)
 475 CTESTRIG(seal)
 476 adorn(`nl`'CTESTRIG(', `ciphers', `)')
 477 adorn(`nl`'CTESTRIG(', `hashes', `)')
 478 adorn(`nl`'CTESTRIG(', join(`ciphers', `-', `cipher_modes'), `)')
 479 adorn(`nl`'CTESTRIG(', join(`hashes', `-', `hash_modes'), `)')
 480 CTESTRIG(lcrand)
 481 CTESTRIG(oaep)
 482 CTESTRIG(tlsprf)
 483 CTESTRIG(sslprf)
 484 CTESTRIG(mpx)
 485 CTESTRIG(mpx-kmul)
 486 CTESTRIG(mpx-ksqr)
 487 CTESTRIG(mp-arith)
 488 CTESTRIG(mp-modsqrt)
 489 CTESTRIG(mp-gcd)
 490 CTESTRIG(mp-jacobi)
 491 CTESTRIG(mp-sqrt)
 492 CTESTRIG(mptext)
 493 CTESTRIG(mpint)
 494 CTESTRIG(mpbarrett)
 495 CTESTRIG(mpbarrett-mexp)
 496 CTESTRIG(mpmont)
 497 CTESTRIG(mpmont-mexp)
 498 CTESTRIG(mpcrt)
 499 CTESTRIG(mpmul)
 500 CTESTRIG(gfx)
 501 CTESTRIG(gfx-kmul)
 502 CTESTRIG(pgen)
 503 CTESTRIG(dsa-gen)
 504 CTESTRIG(dsa-sign)
 505 CTESTRIG(dsa-verify)
 506 CTESTRIG(bbs-rand)
 507 CTESTRIG(bbs-jump)
 508 CTESTRIG(gfshare)
 509 CTESTRIG(share)
 510 CTESTRIG(rho)
 511
 512 TESTS = serpent-check bittest testprogs
 513
 514 CLEANFILES = \
 515         *.t *.to \
 516         mptypes.h primetab.c primetab.h \
 517         addsuffix(`gen_tables', `-tab.h')
 518
 519 ## --- Makefile building (haha!) ---
 520
 521 $(srcdir)/Makefile.am: $(srcdir)/Makefile.m4
 522         m4 $(srcdir)/Makefile.m4 >$(srcdir)/Makefile.am
 523
 524 DISTCLEANFILES = libtool
 525
 526 MAINTAINERCLEANFILES = \
 527         $(srcdir)/Makefile.am \
 528         $(srcdir)/getdate.c getdate.c \
 529         $(MODES) modes-stamp $(srcdir)/modes-stamp
 530
 531 ##----- That's all, folks ---------------------------------------------------