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