diplodocus.org Git - nmh/blob - configure.in

   1 dnl
   2 dnl configure.in -- autoconf template for nmh
   3 dnl
   4 dnl $Id$
   5 dnl
   6
   7 AC_INIT(h/nmh.h)
   8 AC_CONFIG_HEADER(config.h)
   9
  10 AC_CANONICAL_SYSTEM
  11
  12 dnl ---------------------
  13 dnl define a macro or two
  14 dnl ---------------------
  15
  16 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
  17 if test -n "$LIBTOOL" ; then
  18   tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
  19   if test x"$tmptest" != x  ; then
  20     GNU_LIBTOOL=1
  21     AC_SUBST(GNU_LIBTOOL)dnl
  22   fi
  23 fi
  24 ] )
  25
  26
  27 dnl What version of nmh are we building?
  28 VERSION=`sed -e 's/nmh-//' ${srcdir}/VERSION`
  29 echo "configuring for nmh-$VERSION"
  30 AC_SUBST(VERSION)dnl
  31
  32 dnl --------------------------
  33 dnl CHECK COMMAND LINE OPTIONS
  34 dnl --------------------------
  35
  36 dnl Do you want client-side support for apop?
  37 AC_ARG_ENABLE(apop,
  38 [  --enable-apop           enable client-side support for POP3 and APOP])
  39 if test x"$enable_apop" = x"yes"; then
  40   AC_DEFINE(APOP)dnl
  41   APOPLIB=md5.o
  42   enable_pop=yes
  43 fi
  44 AC_SUBST(APOPLIB)dnl
  45
  46 dnl Do you want to debug nmh?
  47 undefine([debug])dnl
  48 AC_ARG_ENABLE(debug,
  49 [  --enable-debug          enable nmh code debugging])
  50 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
  51 if test x"$enable_nmh_debug" = x"yes"; then
  52   enable_debug=yes
  53 fi
  54
  55 dnl Allow users to send email from addresses other than their default?
  56 undefine([masquerade])dnl
  57 AC_ARG_ENABLE(masquerade,
  58   [  --enable-masquerade[='draft_from mmailid username_extension']
  59                           enable up to 3 types of address masquerading [none]],
  60   [if test x"$enable_masquerade" = x"yes"; then
  61     masquerade="draft_from mmailid username_extension"
  62   else
  63     masquerade="$enable_masquerade"
  64   fi])
  65 AC_SUBST(masquerade)dnl
  66
  67 dnl Do you want mhe support?
  68 undefine([mhe])dnl
  69 AC_ARG_ENABLE(mhe,
  70 [  --enable-mhe            enable mhe support (DEFAULT)])
  71
  72 dnl mhe support is on by default, so define it unless --disable-mhe or the
  73 dnl deprecated, undocumented --disable-nmh-mhe are specified.
  74 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
  75   AC_DEFINE(MHE)dnl
  76 fi
  77
  78 dnl Do you want client-side support for pop?
  79 undefine([pop])dnl
  80 AC_ARG_ENABLE(pop,
  81 [  --enable-pop            enable client-side support for plain POP3])
  82 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
  83 if test x"$enable_nmh_pop" = x"yes"; then
  84   enable_pop=yes
  85 fi
  86
  87 dnl Do you want client-side support for using SASL for authentication?
  88 dnl Note that this code will be enabled for both POP and SMTP
  89 AC_ARG_WITH(cyrus-sasl,
  90 [  --with-cyrus-sasl=<dir> Specify location of Cyrus SASL library for auth])
  91 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != "no"; then
  92   AC_DEFINE(CYRUS_SASL)dnl
  93 fi
  94
  95 dnl What should be the default editor?
  96 undefine([editor])dnl
  97 AC_ARG_WITH(editor,
  98 [  --with-editor=EDITOR    specify the default editor])
  99
 100 if test -n "$with_editor"; then
 101   editorpath="$with_editor"
 102 fi
 103
 104 dnl Set the backup prefix
 105 undefine([backup-prefix])dnl
 106 AC_ARG_WITH([hash-backup],
 107   [  --with-hash-backup      use # as the backup prefix (default: ,)])
 108 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
 109   backup_prefix="#"
 110 else
 111   backup_prefix=","
 112 fi
 113 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix")dnl
 114
 115 dnl Do you want support for hesiod
 116 AC_ARG_WITH(hesiod,
 117 [  --with-hesiod=PREFIX    specify location of Hesiod])
 118 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
 119   AC_DEFINE(HESIOD)dnl
 120 fi
 121
 122 dnl Do you want client-side support for kpop
 123 AC_ARG_WITH(krb4,
 124 [  --with-krb4=PREFIX      specify location of Kerberos V4 for KPOP support])
 125 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
 126   enable_pop=yes
 127   AC_DEFINE(KPOP)dnl
 128   AC_DEFINE(KPOP_PRINCIPAL, "pop")dnl
 129 fi
 130
 131 dnl After we know if we're including apop and kpop support, do pop stuff
 132 if test x"$enable_pop" = x"yes"; then
 133   AC_DEFINE(POP)dnl
 134   POPLIB=popsbr.o
 135   POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
 136 else
 137   POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
 138 fi
 139 AC_SUBST(POPLIB)dnl
 140 AC_SUBST(POPSED)dnl
 141
 142 dnl What method of posting should post use?
 143 undefine([mts])dnl
 144 AC_ARG_WITH(mts,
 145 [  --with-mts=MTS          specify the default mail transport agent/service])
 146
 147 if test x"$with_mts" = x"smtp"; then
 148   MTS="smtp"
 149 elif test x"$with_mts" = x"sendmail"; then
 150   MTS="sendmail"
 151 else
 152   MTS="smtp"
 153 fi
 154 AC_SUBST(MTS)dnl
 155
 156 dnl Both the smtp and sendmail mail transport services use the smtp code
 157 AC_DEFINE(SMTPMTS)dnl
 158
 159 dnl What should be the default pager?
 160 undefine([pager])dnl
 161 AC_ARG_WITH(pager,
 162 [  --with-pager=PAGER      specify the default pager])
 163
 164 if test -n "$with_pager"; then
 165   pagerpath="$with_pager"
 166 fi
 167
 168 dnl What should be the default mail server(s)?
 169 undefine([smtpservers])dnl
 170 AC_ARG_WITH(smtpservers,
 171 [  --with-smtpservers='SMTPSERVER1[ SMTPSERVER2...]'
 172                           specify the default SMTP server(s) [localhost]])
 173 if test -n "$with_smtpservers"; then
 174   smtpservers="$with_smtpservers"
 175 else
 176   smtpservers="localhost"
 177 fi
 178 AC_SUBST(smtpservers)dnl
 179
 180 dnl ----------------------------------------------------
 181 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
 182 dnl ----------------------------------------------------
 183 AC_PREFIX_DEFAULT(/usr/local/nmh)
 184
 185 dnl ------------------
 186 dnl CHECK THE COMPILER
 187 dnl ------------------
 188 dnl We want these before the checks,
 189 dnl so the checks can modify their values.
 190 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
 191 if test x"$enable_debug" = x"yes"; then
 192   test -z "$LDFLAGS" && LDFLAGS=-g
 193 fi
 194
 195 AC_PROG_CC
 196
 197 dnl if the user hasn't specified CFLAGS, then
 198 dnl   if compiler is gcc, then
 199 dnl     use -O2 and some warning flags
 200 dnl   else use -O
 201 if test -n "$auto_cflags"; then
 202   if test x"$enable_debug" = x"yes"; then
 203     if test -n "$GCC"; then
 204       test -z "$CFLAGS" && CFLAGS="-Wall -g" || CFLAGS="$CFLAGS -Wall -g"
 205     else
 206       test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
 207     fi
 208   else
 209     test -z "$LDFLAGS" && LDFLAGS=-s
 210     if test -n "$GCC"; then
 211       test -z "$CFLAGS" && CFLAGS="-Wall -O2" || CFLAGS="$CFLAGS -Wall -O2"
 212     else
 213       test -z "$CFLAGS" && CFLAGS=-O  || CFLAGS="$CFLAGS -O"
 214     fi
 215   fi
 216 fi
 217
 218 AC_C_CONST              dnl Does compiler support `const'.
 219
 220 dnl ------------------
 221 dnl CHECK FOR PROGRAMS
 222 dnl ------------------
 223 AC_PROG_MAKE_SET        dnl Does make define $MAKE
 224 AC_PROG_INSTALL         dnl Check for BSD compatible `install'
 225 AC_PROG_RANLIB          dnl Check for `ranlib'
 226 AC_PROG_AWK             dnl Check for mawk,gawk,nawk, then awk
 227 AC_PROG_LEX             dnl Check for lex/flex
 228
 229 dnl Look for `cut'
 230 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
 231 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
 232
 233 dnl ----------------------------------------------
 234 dnl check for lclint, and lint if it doesn't exist
 235 dnl ----------------------------------------------
 236 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
 237 if test x$ac_cv_prog_linttmp1 != xno ; then
 238   LINT=$ac_cv_prog_linttmp1
 239   LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
 240 else
 241   AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
 242   if test x$ac_cv_prog_linttmp2 != xno ; then
 243     LINT=$ac_cv_prog_linttmp2
 244     LINTFLAGS=""
 245   else
 246     LINT="echo 'No lint program found'"
 247     LINTFLAGS=""
 248   fi
 249 fi
 250 AC_SUBST(LINT)dnl
 251 AC_SUBST(LINTFLAGS)dnl
 252
 253 dnl try to figure out which one we've got
 254 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
 255 NMH_PROG_GNU_LIBTOOL
 256
 257 dnl Check for lorder and tsort commands
 258 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
 259 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
 260
 261 dnl If either doesn't exist, replace them with echo and cat
 262 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
 263   LORDER=echo
 264   TSORT=cat
 265   AC_SUBST(LORDER)dnl
 266   AC_SUBST(TSORT)dnl
 267 dnl Mac OS X has lorder, but sh is too broken for it to work
 268 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
 269 dnl   LORDER=echo
 270 dnl   TSORT=cat
 271 dnl   AC_SUBST(LORDER)dnl
 272 dnl   AC_SUBST(TSORT)dnl
 273 fi
 274
 275 dnl Check whether tsort can deal with loops
 276 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
 277   [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
 278     nmh_cv_tsort_loop=no
 279   else
 280     nmh_cv_tsort_loop=yes
 281   fi])
 282 if test x$nmh_cv_tsort_loop = xno ; then
 283   LORDER=echo
 284   TSORT=cat
 285   AC_SUBST(LORDER)dnl
 286   AC_SUBST(TSORT)dnl
 287 fi
 288
 289 dnl Look for `ls'
 290 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
 291 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
 292
 293 dnl See how we get ls to display the owner and the group
 294 if test "$lspath" != "no"; then
 295   AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
 296                  nmh_cv_ls_grpopt,
 297   [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
 298     dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
 299     dnl ls, it would seem -l gave us both the user and group.  On this type of
 300     dnl ls, -g makes _only_ the group be displayed (and not the user).
 301     nmh_cv_ls_grpopt="-l"
 302   else
 303     dnl Looks like -l only gave us the user, so we need -g to get the group too.
 304     nmh_cv_ls_grpopt="-lg"
 305   fi])
 306 fi
 307
 308 dnl Look for `more'
 309 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
 310 AC_PATH_PROG(morepath, more, no, [$pathtmp])
 311
 312 dnl If pager is not specified yet,
 313 dnl then use `more' as the default.
 314 if test -z "$pagerpath"; then
 315   pagerpath="$morepath"
 316 fi
 317 AC_SUBST(pagerpath)dnl
 318
 319 dnl Look for `sendmail'
 320 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
 321 AC_PATH_PROG(sendmailpath, sendmail, no, [$pathtmp])
 322
 323 dnl Look for `vi'
 324 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
 325 AC_PATH_PROG(vipath, vi, no, [$pathtmp])
 326
 327 dnl If editor is not specified yet,
 328 dnl then use `vi' as the default.
 329 if test -z "$editorpath"; then
 330   editorpath="$vipath"
 331 fi
 332 AC_SUBST(editorpath)dnl
 333
 334 dnl Check for broken vi
 335 AC_CACHE_CHECK(for broken vi, nmh_cv_attvibug,
 336 [if echo 'r /nonexist-file
 337 q' | ex > /dev/null 2>&1
 338 then
 339         nmh_cv_attvibug=no
 340 else
 341         nmh_cv_attvibug=yes
 342 fi])
 343
 344 if test "$nmh_cv_attvibug" = yes; then
 345   AC_DEFINE(ATTVIBUG)dnl
 346 fi
 347
 348 dnl ----------------------------------------------------------
 349 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
 350 dnl ----------------------------------------------------------
 351 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
 352 [for mailspool in /var/mail        dnl
 353                   /var/spool/mail  dnl
 354                   /usr/spool/mail  dnl
 355                   /dev/null;       dnl Just in case we fall through
 356 do
 357   test -d $mailspool && break
 358 done
 359 nmh_cv_mailspool=$mailspool
 360 ])
 361 mailspool=$nmh_cv_mailspool
 362 AC_SUBST(mailspool)dnl
 363
 364 dnl See whether the mail spool directory is world-writable.
 365 if test "$lspath" != "no" -a "$cutpath" != "no"; then
 366   AC_CACHE_CHECK(whether the mail spool is world-writable,
 367                  nmh_cv_mailspool_world_writable,
 368   [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
 369     nmh_cv_mailspool_world_writable=no
 370   else
 371     nmh_cv_mailspool_world_writable=yes
 372   fi])
 373 fi
 374
 375 dnl Also, check for liblockfile (as found on Debian systems)
 376 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
 377
 378 dnl and whether its companion program dotlockfile is setgid
 379 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
 380 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
 381   if test "$ac_cv_path_dotlockfilepath" != "no" ; then
 382     AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
 383     [ if test -g "$ac_cv_path_dotlockfilepath" ; then
 384         nmh_cv_dotlockfile_setgid=yes
 385       else
 386         nmh_cv_dotlockfile_setgid=no
 387       fi])
 388   fi
 389 fi
 390
 391 dnl If mailspool is not world-writable and dotlockfile is not setgid,
 392 dnl we need to #define MAILGROUP to 1 and make inc setgid.
 393 if test x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
 394   dnl do we really need both of these?
 395   AC_DEFINE(MAILGROUP)dnl
 396   SETGID_MAIL=1
 397 fi
 398 AC_SUBST(SETGID_MAIL)dnl
 399
 400 dnl Use ls to see which group owns the mail spool directory.
 401 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
 402 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
 403 ])
 404 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
 405 AC_SUBST(MAIL_SPOOL_GRP)dnl
 406
 407 dnl ------------------
 408 dnl CHECK HEADER FILES
 409 dnl ------------------
 410 AC_HEADER_DIRENT
 411 AC_HEADER_STDC
 412 AC_HEADER_TIME
 413 AC_HEADER_SYS_WAIT
 414 AC_HEADER_STAT
 415 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
 416                  limits.h crypt.h termcap.h termio.h termios.h locale.h \
 417                  netdb.h sys/param.h sys/time.h sys/utsname.h arpa/inet.h \
 418                  arpa/ftp.h)
 419
 420
 421 AC_CACHE_CHECK(POSIX termios, nmh_cv_sys_posix_termios,
 422 [AC_TRY_LINK([#include <sys/types.h>
 423 #include <unistd.h>
 424 #include <termios.h>],
 425 [/* SunOS 4.0.3 has termios.h but not the library calls.  */
 426 tcgetattr(0, 0);],
 427   nmh_cv_sys_posix_termios=yes, nmh_cv_sys_posix_termios=no)])
 428
 429 if test $nmh_cv_sys_posix_termios = yes; then
 430   AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
 431   nmh_cv_header_termios_h_tiocgwinsz,
 432   [AC_TRY_LINK([#include <sys/types.h>
 433 #include <termios.h>],
 434   [int x = TIOCGWINSZ;],
 435   nmh_cv_header_termios_h_tiocgwinsz=yes,
 436   nmh_cv_header_termios_h_tiocgwinsz=no)])
 437 else
 438   nmh_cv_header_termios_h_tiocgwinsz=no
 439 fi
 440
 441 if test $nmh_cv_header_termios_h_tiocgwinsz = no; then
 442   AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
 443   nmh_cv_header_sys_ioctl_h_tiocgwinsz,
 444   [AC_TRY_LINK([#include <sys/types.h>
 445 #include <sys/ioctl.h>],
 446   [int x = TIOCGWINSZ;],
 447   nmh_cv_header_sys_ioctl_h_tiocgwinsz=yes,
 448   nmh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
 449   if test $nmh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
 450     AC_DEFINE(GWINSZ_IN_SYS_IOCTL)dnl
 451   fi
 452 fi
 453
 454 dnl
 455 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
 456 dnl really use a whole set of them, but this check should be
 457 dnl sufficient.
 458 dnl
 459 AC_CHECK_HEADER(libio.h, [
 460   AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
 461     AC_DEFINE(LINUX_STDIO) ]) ])
 462
 463 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM))
 464
 465 dnl ---------------
 466 dnl CHECK FUNCTIONS
 467 dnl ---------------
 468 AC_FUNC_VFORK
 469 AC_CHECK_LIB(mkstemp,mkstemp)
 470 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
 471                sighold sigrelse writev lstat uname tzset killpg mkstemp \
 472                sethostent getutent)
 473
 474 dnl solaris screws this up
 475 AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
 476   AC_CHECK_LIB(nsl, gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)] ) )
 477
 478 dnl sigsetjmp may be a macro
 479 AC_MSG_CHECKING(for sigsetjmp)
 480 AC_TRY_LINK([#include <setjmp.h>], [sigsetjmp((void *)0, 0);],
 481         [AC_DEFINE(HAVE_SIGSETJMP) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))
 482
 483 AC_REPLACE_FUNCS(snprintf strerror strdup)
 484
 485 dnl Look for the initgroups() declaration.  On AIX 4.[13], Solaris 4.1.3, and
 486 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
 487 dnl any system header.
 488 dnl
 489 dnl On Solaris 2.[456], the declaration is in <grp.h>.  On HP-UX 9-11 and
 490 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>.  Any other locations we
 491 dnl need to check?
 492 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
 493                 AC_EGREP_HEADER(initgroups, unistd.h,
 494                                 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
 495
 496 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
 497 dnl <stdio.h> or elsewhere.  Apparently it's not officially supported (though it
 498 dnl seems to work perfectly and IBM apparently uses it in internal code).
 499 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
 500 dnl HAVE_SNPRINTF, we get a billion warnings at compile time.  Use the C
 501 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
 502 dnl prototype.
 503 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE))
 504
 505 dnl -------------------
 506 dnl CHECK FOR LIBRARIES
 507 dnl -------------------
 508 dnl Check location of modf
 509 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
 510
 511 dnl Checks for network libraries (nsl, socket)
 512 AC_CHECK_NETLIBS
 513
 514 termcap_curses_order="termcap curses ncurses"
 515 for lib in $termcap_curses_order; do
 516   AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
 517 done
 518 AC_SUBST(TERMLIB)dnl
 519
 520 dnl --------------
 521 dnl CHECK FOR NDBM
 522 dnl --------------
 523 dnl Checks for ndbm
 524 AC_CHECK_FUNC(dbm_open, ,
 525   AC_CHECK_LIB(ndbm, dbm_open, ,
 526     AC_CHECK_LIB(dbm, dbm_open)))
 527
 528 dnl ----------------
 529 dnl CHECK FOR NDBM.H
 530 dnl ----------------
 531 AC_CHECK_HEADERS(db1/ndbm.h)
 532
 533 dnl ----------------
 534 dnl CHECK FOR HESIOD
 535 dnl ----------------
 536 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
 537   if test x"$with_hesiod" != x"yes"; then
 538     HESIOD_INCLUDES="-I$with_hesiod/include"
 539     HESIOD_LIBS="-L$with_hesiod/lib"
 540   fi
 541   AC_CHECK_FUNC(res_send, ,
 542     AC_CHECK_LIB(resolv, res_send))
 543   AC_CHECK_LIB(hesiod, hes_resolve, [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
 544     [AC_MSG_ERROR(Hesiod library not found)], $HESIOD_LIBS)
 545 fi
 546 AC_SUBST(HESIOD_INCLUDES)dnl
 547 AC_SUBST(HESIOD_LIBS)dnl
 548
 549 dnl ----------------------------------
 550 dnl CHECK FOR KRB4 (Kerberos4 support)
 551 dnl ----------------------------------
 552 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
 553   if test x"$with_krb4" != x"yes"; then
 554     KRB4_INCLUDES="-I$with_krb4/include"
 555     if test -d "$with_krb4/include/kerberosIV"; then
 556       KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
 557     fi
 558     KRB4_LIBS="-L$with_krb4/lib"
 559   elif test -d /usr/include/kerberosIV; then
 560     KRB4_INCLUDES="-I/usr/include/kerberosIV"
 561   fi
 562   AC_CHECK_LIB(krb4, krb_rd_req,
 563     [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
 564     [AC_CHECK_LIB(krb, krb_rd_req,
 565       [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
 566       [AC_MSG_ERROR(Kerberos 4 libraries not found)],
 567       $KRB4_LIBS -ldes)],
 568     $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)
 569 fi
 570 AC_SUBST(KRB4_INCLUDES)dnl
 571 AC_SUBST(KRB4_LIBS)dnl
 572
 573 dnl --------------------
 574 dnl CHECK FOR CYRUS SASL
 575 dnl --------------------
 576 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != "no"; then
 577   if test x"$with_cyrus_sasl" != x"yes"; then
 578     SASL_INCLUDES="-I$with_cyrus_sasl/include"
 579     SASL_LIBS="-L$with_cyrus_sasl/lib"
 580   fi
 581   save_LDFLAGS="$LDFLAGS"
 582   LDFLAGS="$LDFLAGS $SASL_LIBS"
 583   AC_CHECK_LIB(sasl, sasl_client_new,
 584     [SASL_LIBS="$SASL_LIBS -lsasl"],
 585     [AC_MSG_ERROR(Cyrus SASL library not found)])
 586   LDFLAGS="$save_LDFLAGS"
 587 fi
 588 AC_SUBST(SASL_INCLUDES)dnl
 589 AC_SUBST(SASL_LIBS)dnl
 590
 591 dnl ---------------------
 592 dnl CHECK TERMCAP LIBRARY
 593 dnl ---------------------
 594
 595 dnl Add the termcap library, so that the following configure
 596 dnl tests will find it when it tries to link test programs.
 597 nmh_save_LIBS="$LIBS"
 598 LIBS="$TERMLIB $LIBS"
 599
 600 dnl Checks for external variable ospeed in the termcap library.
 601 AC_CACHE_CHECK(if an include file defines ospeed,
 602 nmh_cv_decl_ospeed_include_defines,
 603 [AC_TRY_LINK(
 604 [#include <sys/types.h>
 605 #if HAVE_TERMIOS_H
 606 #include <termios.h>
 607 #endif
 608 #if HAVE_TERMCAP_H
 609 #include <termcap.h>
 610 #endif], [ospeed = 0;],
 611 nmh_cv_decl_ospeed_include_defines=yes,
 612 nmh_cv_decl_ospeed_include_defines=no)])
 613
 614 if test $nmh_cv_decl_ospeed_include_defines = no; then
 615   AC_CACHE_CHECK(if you must define ospeed,
 616   nmh_cv_decl_ospeed_must_define,
 617   [AC_TRY_LINK( ,[extern short ospeed; ospeed = 0;],
 618   nmh_cv_decl_ospeed_must_define=yes,
 619   nmh_cv_decl_ospeed_must_define=no)])
 620 fi
 621
 622 if test $nmh_cv_decl_ospeed_include_defines = yes; then
 623   AC_DEFINE(HAVE_OSPEED)dnl
 624 elif test $nmh_cv_decl_ospeed_must_define = yes; then
 625   AC_DEFINE(HAVE_OSPEED)
 626   AC_DEFINE(MUST_DEFINE_OSPEED)
 627 fi
 628
 629 dnl dnl Checks if tgetent accepts NULL and will
 630 dnl dnl allocate its own termcap buffer.
 631 dnl AC_CACHE_CHECK(if tgetent accepts NULL,
 632 dnl nmh_cv_func_tgetent_accepts_null,
 633 dnl [AC_TRY_RUN([main(){int i = tgetent((char*)0,"vt100");exit(!i || i == -1);}],
 634 dnl   nmh_cv_func_tgetent_accepts_null=yes,
 635 dnl   nmh_cv_func_tgetent_accepts_null=no,
 636 dnl   nmh_cv_func_tgetent_accepts_null=no)])
 637 dnl if test $nmh_cv_func_tgetent_accepts_null = yes; then
 638 dnl   AC_DEFINE(TGETENT_ACCEPTS_NULL)
 639 dnl fi
 640
 641 dnl Now put the libraries back to what it was before we
 642 dnl starting checking the termcap library.
 643 LIBS="$nmh_save_LIBS"
 644
 645 dnl --------------
 646 dnl CHECK TYPEDEFS
 647 dnl --------------
 648 AC_TYPE_SIGNAL
 649 AC_TYPE_PID_T
 650 AC_TYPE_OFF_T
 651 AC_TYPE_UID_T
 652 AC_TYPE_MODE_T
 653 AC_TYPE_SIZE_T
 654
 655 dnl Check for sigset_t.  Currently I'm looking in
 656 dnl <sys/types.h> and <signal.h>.  Others might need
 657 dnl to be added.
 658 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
 659 [AC_TRY_COMPILE(
 660 [#include <sys/types.h>
 661 #include <signal.h>], [sigset_t tempsigset;],
 662   nmh_cv_type_sigset_t=yes, nmh_cv_type_sigset_t=no)])
 663 if test $nmh_cv_type_sigset_t = no; then
 664   AC_DEFINE(sigset_t, unsigned int)
 665 fi
 666
 667 dnl ----------------
 668 dnl CHECK STRUCTURES
 669 dnl ----------------
 670 AC_STRUCT_ST_BLKSIZE
 671
 672 AC_CACHE_CHECK(for tm_gmtoff in struct tm, nmh_cv_struct_tm_gmtoff,
 673 [AC_TRY_COMPILE(
 674 [#ifdef TIME_WITH_SYS_TIME
 675 # include <sys/time.h>
 676 # include <time.h>
 677 #else
 678 # ifdef TM_IN_SYS_TIME
 679 #  include <sys/time.h>
 680 # else
 681 #  include <time.h>
 682 # endif
 683 #endif],
 684 [struct tm temptm; temptm.tm_gmtoff = 0;],
 685   nmh_cv_struct_tm_gmtoff=yes, nmh_cv_struct_tm_gmtoff=no)])
 686 if test $nmh_cv_struct_tm_gmtoff = yes; then
 687   AC_DEFINE(HAVE_TM_GMTOFF)
 688 fi
 689
 690 dnl -------------
 691 dnl CHECK SIGNALS
 692 dnl -------------
 693 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
 694 AC_MSG_CHECKING(what style of signals to use)
 695 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
 696   signals_style=POSIX_SIGNALS
 697   AC_DEFINE(POSIX_SIGNALS)
 698   AC_DEFINE(RELIABLE_SIGNALS)
 699 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
 700   signals_style=BSD_SIGNALS
 701   AC_DEFINE(BSD_SIGNALS)
 702   AC_DEFINE(RELIABLE_SIGNALS)
 703 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
 704   signals_style=SYSV_SIGNALS
 705   AC_DEFINE(SYSV_SIGNALS)
 706 else
 707   signals_style=NO_SIGNAL_BLOCKING
 708   AC_DEFINE(NO_SIGNAL_BLOCKING)
 709 fi
 710
 711 AC_MSG_RESULT($signals_style)
 712
 713 dnl Where is <signal.h> located?  Needed as input for signames.awk
 714 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
 715 [for SIGNAL_H in /usr/include/bsd/sys/signal.h  dnl Next
 716                  /usr/include/asm/signal.h      dnl Linux 1.3.0 and above
 717                  /usr/include/asm/signum.h      dnl some versions of Linux/Alpha
 718                  /usr/include/linux/signal.h    dnl Linux up to 1.2.11
 719                  /usr/include/sys/signal.h      dnl Almost everybody else
 720                  /dev/null;                     dnl Just in case we fall through
 721 do
 722   test -f $SIGNAL_H && \
 723   grep '#[      ]*define[       ][      ]*SIG[0-9A-Z]*[         ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
 724   break
 725 done
 726 nmh_cv_path_signal_h=$SIGNAL_H
 727 ])
 728 SIGNAL_H=$nmh_cv_path_signal_h
 729 AC_SUBST(SIGNAL_H)dnl
 730
 731 dnl ----------------
 732 dnl OS SPECIFIC DEFINES
 733 dnl ----------------
 734 case "$target_os" in
 735
 736   solaris2*)
 737     AC_DEFINE(SYS5)
 738     AC_DEFINE(SVR4)
 739     ;;
 740   irix*)
 741     AC_DEFINE(SYS5)
 742     AC_DEFINE(SVR4)
 743     ;;
 744   osf*)
 745     AC_DEFINE(SYS5)
 746     AC_DEFINE(SVR4)
 747     ;;
 748   aix*)
 749     AC_DEFINE(SYS5)
 750     AC_DEFINE(SVR4)
 751     ;;
 752   sunos4*)
 753     AC_DEFINE(BSD42)
 754     ;;
 755   freebsd*)
 756     AC_DEFINE(BSD42)
 757     AC_DEFINE(BSD44)
 758     ;;
 759   netbsd*)
 760     AC_DEFINE(BSD42)
 761     AC_DEFINE(BSD44)
 762     ;;
 763   openbsd*)
 764     AC_DEFINE(BSD42)
 765     AC_DEFINE(BSD44)
 766     ;;
 767   bsd/os*)
 768     AC_DEFINE(BSD42)
 769     AC_DEFINE(BSD44)
 770     ;;
 771   sco5*)
 772     AC_DEFINE(SYS5)
 773     AC_DEFINE(SCO_5_STDIO)
 774     ;;
 775 esac
 776
 777
 778 dnl ----------------
 779 dnl OUTPUT MAKEFILES
 780 dnl ----------------
 781 AC_OUTPUT(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
 782           zotnet/Makefile zotnet/mts/Makefile \
 783           mts/Makefile mts/smtp/Makefile \
 784           mts/sendmail/Makefile mts/mmdf/Makefile etc/Makefile \
 785           docs/Makefile man/Makefile, \
 786           [test -z "$CONFIG_HEADERS" || echo > stamp-h])
 787
 788 dnl Umm, what's the point of these assignments??  -- <dan-nmh@dilvish.speed.net>
 789 eval "nmhbin=${bindir}";         eval "nmhbin2=${nmhbin}"
 790 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
 791 eval "nmhlib=${libdir}";         eval "nmhlib2=${nmhlib}"
 792 eval "nmhman=${mandir}"
 793
 794 pop_kinds=no
 795 if test x"$enable_pop" = x"yes"; then
 796   pop_kinds="yes ("
 797
 798   if test x"$enable_apop" = x"yes"; then
 799     pop_kinds="${pop_kinds}APOP "
 800   fi
 801
 802   if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
 803     pop_kinds="${pop_kinds}KPOP "
 804   fi
 805
 806   pop_kinds="${pop_kinds}POP3)"
 807 fi
 808
 809 echo "
 810 nmh configuration
 811 -----------------
 812 nmh version                : ${VERSION}
 813 target os                  : ${target}
 814 compiler                   : ${CC}
 815 compiler flags             : ${CFLAGS}
 816 linker flags               : ${LDFLAGS}
 817 source code location       : ${srcdir}
 818 binary install path        : ${nmhbin2}
 819 libary install path        : ${nmhlib2}
 820 config files install path  : ${nmhsysconf2}
 821 man page install path      : ${nmhman}
 822 backup prefix              : ${backup_prefix}
 823 transport system           : ${MTS}
 824 default smtp servers       : ${smtpservers}
 825 default editor             : ${editorpath}
 826 default pager              : ${pagerpath}
 827 email address masquerading : ${masquerade}
 828 pop is enabled             : ${pop_kinds}"
 829 echo ""