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