2 dnl configure.in -- autoconf template for nmh
8 AC_CONFIG_HEADER(config.h)
12 dnl What version of nmh are we building?
13 VERSION=`sed -e 's/nmh-//' ${srcdir}/VERSION`
14 echo "configuring for nmh-$VERSION"
17 dnl -------------------------
18 dnl CHECK COMMAND LINE OPTION
19 dnl -------------------------
20 dnl What method of posting should post use?
23 [ --with-mts=MTS specify the mail transport agent])
25 if test x$with_mts = xsmtp; then
27 MTSLIB="mts/smtp/libsmtp.a"
29 elif test x$with_mts = xsendmail; then
31 MTSLIB="mts/sendmail/libsend.a"
35 MTSLIB="mts/smtp/libsmtp.a"
42 dnl What should be the default editor?
45 [ --with-editor=EDITOR specify the default editor])
47 if test -n "$with_editor"; then
48 editorpath="$with_editor"
51 dnl What should be the default pager?
54 [ --with-pager=PAGER specify the default pager])
56 if test -n "$with_pager"; then
57 pagerpath="$with_pager"
60 dnl Do you want mhe support?
61 undefine([nmh-mhe])dnl
62 AC_ARG_ENABLE(nmh-mhe,
63 [ --enable-nmh-mhe enable mhe support (DEFAULT)])
65 dnl mhe support is on by default, so define it unless
66 dnl explicitly disabled.
67 if test x$enable_nmh_mhe != xno; then
71 dnl Do you want client-side support for pop
72 undefine([nmh-pop])dnl
73 AC_ARG_ENABLE(nmh-pop,
74 [ --enable-nmh-pop enable client-side support for pop])
75 if test x$enable_nmh_pop = xyes; then
78 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
80 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
85 dnl Do you want client-side support for kpop
87 [ --with-krb4=PREFIX specify location of Kerberos V4 for kpop support])
88 if test x$with_krb4 != x -a x$with_krb4 != xno; then
90 AC_DEFINE(KPOP_PRINCIPAL, "pop")dnl
93 dnl Do you want support for hesiod
95 [ --with-hesiod=PREFIX specify location of Hesiod])
96 if test x$with_hesiod != x -a x$with_hesiod != xno; then
100 dnl Do you want to debug nmh?
101 undefine([nmh-debug])dnl
102 AC_ARG_ENABLE(nmh-debug,
103 [ --enable-nmh-debug enable nmh code debugging])
105 dnl ----------------------------------------------------
106 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
107 dnl ----------------------------------------------------
108 AC_PREFIX_DEFAULT(/usr/local/nmh)
110 dnl ------------------
111 dnl CHECK THE COMPILER
112 dnl ------------------
113 dnl We want these before the checks,
114 dnl so the checks can modify their values.
115 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
116 if test x$enable_nmh_debug = xyes; then
117 test -z "$LDFLAGS" && LDFLAGS=-g
122 dnl if the user hasn't specified CFLAGS, then
123 dnl if compiler is gcc, then
124 dnl use -O2 and some warning flags
126 if test -n "$auto_cflags"; then
127 if test x$enable_nmh_debug = xyes; then
128 if test -n "$GCC"; then
129 test -z "$CFLAGS" && CFLAGS="-Wall -g" || CFLAGS="$CFLAGS -Wall -g"
131 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
134 test -z "$LDFLAGS" && LDFLAGS=-s
135 if test -n "$GCC"; then
136 test -z "$CFLAGS" && CFLAGS=-O2 || CFLAGS="$CFLAGS -O2"
138 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
143 AC_C_CONST dnl Does compiler support `const'.
145 dnl ------------------
146 dnl CHECK FOR PROGRAMS
147 dnl ------------------
148 AC_PROG_MAKE_SET dnl Does make define $MAKE
149 AC_PROG_INSTALL dnl Check for BSD compatible `install'
150 AC_PROG_RANLIB dnl Check for `ranlib'
151 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
152 AC_PROG_LEX dnl Check for lex/flex
155 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
156 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
158 dnl Look for libtool. A ranlib replacement on Mac OS X/Rhapsody where
159 dnl either ranlib or ar is broken (not sure which)
160 AC_PATH_PROG(LIBTOOL, libtool, no [$pathtmp])
162 dnl Check for lorder and tsort commands
163 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
164 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
166 dnl If either doesn't exist, replace them with echo and cat
167 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
172 dnl Mac OS X has lorder, but sh is too broken for it to work
173 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
176 dnl AC_SUBST(LORDER)dnl
177 dnl AC_SUBST(TSORT)dnl
181 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
182 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
184 dnl See how we get ls to display the owner and the group
185 if test "$lspath" != "no"; then
186 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
188 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
189 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
190 dnl ls, it would seem -l gave us both the user and group. On this type of
191 dnl ls, -g makes _only_ the group be displayed (and not the user).
192 nmh_cv_ls_grpopt="-l"
194 dnl Looks like -l only gave us the user, so we need -g to get the group too.
195 nmh_cv_ls_grpopt="-lg"
200 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
201 AC_PATH_PROG(morepath, more, no, [$pathtmp])
203 dnl If pager is not specified yet,
204 dnl then use `more' as the default.
205 if test -z "$pagerpath"; then
206 pagerpath="$morepath"
208 AC_SUBST(pagerpath)dnl
210 dnl Look for `sendmail'
211 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
212 AC_PATH_PROG(sendmailpath, sendmail, no, [$pathtmp])
215 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
216 AC_PATH_PROG(vipath, vi, no, [$pathtmp])
218 dnl If editor is not specified yet,
219 dnl then use `vi' as the default.
220 if test -z "$editorpath"; then
223 AC_SUBST(editorpath)dnl
225 dnl Check for broken vi
226 AC_CACHE_CHECK(for broken vi, nmh_cv_attvibug,
227 [if echo 'r /nonexist-file
228 q' | ex > /dev/null 2>&1
235 if test "$nmh_cv_attvibug" = yes; then
239 dnl ----------------------------------------------------------
240 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
241 dnl ----------------------------------------------------------
242 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
243 [for mailspool in /var/mail dnl
246 /dev/null; dnl Just in case we fall through
248 test -d $mailspool && break
250 nmh_cv_mailspool=$mailspool
252 mailspool=$nmh_cv_mailspool
253 AC_SUBST(mailspool)dnl
255 dnl See whether the mail spool directory is world-writable.
256 if test "$lspath" != "no" -a "$cutpath" != "no"; then
257 AC_CACHE_CHECK(whether the mail spool is world-writable,
258 nmh_cv_mailspool_world_writable,
259 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
260 nmh_cv_mailspool_world_writable=no
262 nmh_cv_mailspool_world_writable=yes
266 dnl ...If it's not, we need to #define MAILGROUP to 1 and make inc setgid.
267 if test x"$nmh_cv_mailspool_world_writable" = x"no"; then
268 dnl do we really need both of these?
272 AC_SUBST(SETGID_MAIL)dnl
274 dnl see if we can determine which group owns the mail spool dir
275 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
276 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
277 dnl Should we just set it to whatever ls reports, rather than only allowing
278 dnl certain values...?
279 if test x$nmh_cv_ls_mail_grp = xmail; then
280 MAIL_SPOOL_GRP="mail"
281 elif test x$nmh_cv_ls_mail_grp = xwheel; then
282 MAIL_SPOOL_GRP="wheel"
286 AC_SUBST(MAIL_SPOOL_GRP)dnl
288 dnl ------------------
289 dnl CHECK HEADER FILES
290 dnl ------------------
296 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
297 limits.h crypt.h termcap.h termio.h termios.h locale.h \
298 netdb.h sys/param.h sys/time.h sys/utsname.h arpa/inet.h \
302 AC_CACHE_CHECK(POSIX termios, nmh_cv_sys_posix_termios,
303 [AC_TRY_LINK([#include <sys/types.h>
305 #include <termios.h>],
306 [/* SunOS 4.0.3 has termios.h but not the library calls. */
308 nmh_cv_sys_posix_termios=yes, nmh_cv_sys_posix_termios=no)])
310 if test $nmh_cv_sys_posix_termios = yes; then
311 AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
312 nmh_cv_header_termios_h_tiocgwinsz,
313 [AC_TRY_LINK([#include <sys/types.h>
314 #include <termios.h>],
315 [int x = TIOCGWINSZ;],
316 nmh_cv_header_termios_h_tiocgwinsz=yes,
317 nmh_cv_header_termios_h_tiocgwinsz=no)])
319 nmh_cv_header_termios_h_tiocgwinsz=no
322 if test $nmh_cv_header_termios_h_tiocgwinsz = no; then
323 AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
324 nmh_cv_header_sys_ioctl_h_tiocgwinsz,
325 [AC_TRY_LINK([#include <sys/types.h>
326 #include <sys/ioctl.h>],
327 [int x = TIOCGWINSZ;],
328 nmh_cv_header_sys_ioctl_h_tiocgwinsz=yes,
329 nmh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
330 if test $nmh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
331 AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
336 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
337 dnl really use a whole set of them, but this check should be
340 AC_CHECK_HEADER(libio.h, [
341 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
342 AC_DEFINE(LINUX_STDIO) ]) ])
344 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM))
350 AC_CHECK_LIB(mkstemp,mkstemp)
351 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
352 sighold sigrelse writev lstat uname tzset killpg mkstemp \
355 dnl solaris screws ths up
356 AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
357 AC_CHECK_LIB(nsl, gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)] ) )
359 dnl sigsetjmp may be a macro
360 AC_MSG_CHECKING(for sigsetjmp)
361 AC_TRY_LINK([#include <setjmp.h>], [sigsetjmp((void *)0, 0);],
362 [AC_DEFINE(HAVE_SIGSETJMP) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))
364 AC_REPLACE_FUNCS(snprintf strerror strdup)
366 dnl -------------------
367 dnl CHECK FOR LIBRARIES
368 dnl -------------------
369 dnl Check location of modf
370 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
372 dnl Checks for network libraries (nsl, socket)
375 dnl Check for bug in libraries such that ruserpass
376 dnl needs to be linked as _ruserpass.
379 termcap_curses_order="termcap curses ncurses"
380 for lib in $termcap_curses_order; do
381 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
390 AC_CHECK_FUNC(dbm_open, ,
391 AC_CHECK_LIB(ndbm, dbm_open, ,
392 AC_CHECK_LIB(dbm, dbm_open)))
397 AC_CHECK_HEADERS(db1/ndbm.h)
402 if test x$with_hesiod != x -a x$with_hesiod != xno; then
403 if test x$with_hesiod != xyes; then
404 HESIOD_INCLUDES="-I$with_hesiod/include"
405 HESIOD_LIBS="-L$with_hesiod/lib"
407 AC_CHECK_FUNC(res_send, ,
408 AC_CHECK_LIB(resolv, res_send))
409 AC_CHECK_LIB(hesiod, hes_resolve, [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
410 [AC_MSG_ERROR(Hesiod library not found)], $HESIOD_LIBS)
412 AC_SUBST(HESIOD_INCLUDES)dnl
413 AC_SUBST(HESIOD_LIBS)dnl
415 dnl ----------------------------------
416 dnl CHECK FOR KRB4 (Kerberos4 support)
417 dnl ----------------------------------
418 if test x$with_krb4 != x -a x$with_krb4 != xno; then
419 if test x$with_krb4 != xyes; then
420 KRB4_INCLUDES="-I$with_krb4/include"
421 if test -d "$with_krb4/include/kerberosIV"; then
422 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
424 KRB4_LIBS="-L$with_krb4/lib"
425 elif test -d /usr/include/kerberosIV; then
426 KRB4_INCLUDES="-I/usr/include/kerberosIV"
428 AC_CHECK_LIB(krb4, krb_rd_req,
429 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
430 [AC_CHECK_LIB(krb, krb_rd_req,
431 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
432 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
434 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)
436 AC_SUBST(KRB4_INCLUDES)dnl
437 AC_SUBST(KRB4_LIBS)dnl
439 dnl ---------------------
440 dnl CHECK TERMCAP LIBRARY
441 dnl ---------------------
443 dnl Add the termcap library, so that the following configure
444 dnl tests will find it when it tries to link test programs.
445 nmh_save_LIBS="$LIBS"
446 LIBS="$TERMLIB $LIBS"
448 dnl Checks for external variable ospeed in the termcap library.
449 AC_CACHE_CHECK(if an include file defines ospeed,
450 nmh_cv_decl_ospeed_include_defines,
452 [#include <sys/types.h>
458 #endif], [ospeed = 0;],
459 nmh_cv_decl_ospeed_include_defines=yes,
460 nmh_cv_decl_ospeed_include_defines=no)])
462 if test $nmh_cv_decl_ospeed_include_defines = no; then
463 AC_CACHE_CHECK(if you must define ospeed,
464 nmh_cv_decl_ospeed_must_define,
465 [AC_TRY_LINK( ,[extern short ospeed; ospeed = 0;],
466 nmh_cv_decl_ospeed_must_define=yes,
467 nmh_cv_decl_ospeed_must_define=no)])
470 if test $nmh_cv_decl_ospeed_include_defines = yes; then
471 AC_DEFINE(HAVE_OSPEED)
472 elif test $nmh_cv_decl_ospeed_must_define = yes; then
473 AC_DEFINE(HAVE_OSPEED)
474 AC_DEFINE(MUST_DEFINE_OSPEED)
477 dnl dnl Checks if tgetent accepts NULL and will
478 dnl dnl allocate its own termcap buffer.
479 dnl AC_CACHE_CHECK(if tgetent accepts NULL,
480 dnl nmh_cv_func_tgetent_accepts_null,
481 dnl [AC_TRY_RUN([main(){int i = tgetent((char*)0,"vt100");exit(!i || i == -1);}],
482 dnl nmh_cv_func_tgetent_accepts_null=yes,
483 dnl nmh_cv_func_tgetent_accepts_null=no,
484 dnl nmh_cv_func_tgetent_accepts_null=no)])
485 dnl if test $nmh_cv_func_tgetent_accepts_null = yes; then
486 dnl AC_DEFINE(TGETENT_ACCEPTS_NULL)
489 dnl Now put the libraries back to what it was before we
490 dnl starting checking the termcap library.
491 LIBS="$nmh_save_LIBS"
503 dnl Check for sigset_t. Currently I'm looking in
504 dnl <sys/types.h> and <signal.h>. Others might need
506 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
508 [#include <sys/types.h>
509 #include <signal.h>], [sigset_t tempsigset;],
510 nmh_cv_type_sigset_t=yes, nmh_cv_type_sigset_t=no)])
511 if test $nmh_cv_type_sigset_t = no; then
512 AC_DEFINE(sigset_t, unsigned int)
520 AC_CACHE_CHECK(for tm_gmtoff in struct tm, nmh_cv_struct_tm_gmtoff,
522 [#ifdef TIME_WITH_SYS_TIME
523 # include <sys/time.h>
526 # ifdef TM_IN_SYS_TIME
527 # include <sys/time.h>
532 [struct tm temptm; temptm.tm_gmtoff = 0;],
533 nmh_cv_struct_tm_gmtoff=yes, nmh_cv_struct_tm_gmtoff=no)])
534 if test $nmh_cv_struct_tm_gmtoff = yes; then
535 AC_DEFINE(HAVE_TM_GMTOFF)
541 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
542 AC_MSG_CHECKING(what style of signals to use)
543 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
544 signals_style=POSIX_SIGNALS
545 AC_DEFINE(POSIX_SIGNALS)
546 AC_DEFINE(RELIABLE_SIGNALS)
547 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
548 signals_style=BSD_SIGNALS
549 AC_DEFINE(BSD_SIGNALS)
550 AC_DEFINE(RELIABLE_SIGNALS)
551 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
552 signals_style=SYSV_SIGNALS
553 AC_DEFINE(SYSV_SIGNALS)
555 signals_style=NO_SIGNAL_BLOCKING
556 AC_DEFINE(NO_SIGNAL_BLOCKING)
559 AC_MSG_RESULT($signals_style)
561 dnl Where is <signal.h> located? Needed as input for signames.awk
562 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
563 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
564 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
565 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
566 /usr/include/linux/signal.h dnl Linux up to 1.2.11
567 /usr/include/sys/signal.h dnl Almost everybody else
568 /dev/null; dnl Just in case we fall through
570 test -f $SIGNAL_H && \
571 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
574 nmh_cv_path_signal_h=$SIGNAL_H
576 SIGNAL_H=$nmh_cv_path_signal_h
577 AC_SUBST(SIGNAL_H)dnl
580 dnl OS SPECIFIC DEFINES
621 AC_DEFINE(SCO_5_STDIO)
629 AC_OUTPUT(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
630 zotnet/Makefile zotnet/mts/Makefile zotnet/tws/Makefile \
631 zotnet/mf/Makefile zotnet/bboards/Makefile mts/Makefile \
632 mts/smtp/Makefile mts/sendmail/Makefile mts/mmdf/Makefile \
633 etc/Makefile man/Makefile, \
634 [test -z "$CONFIG_HEADERS" || echo > stamp-h])
636 eval "nmhbin=${bindir}"; eval "nmhbin2=${nmhbin}"
637 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
638 eval "nmhlib=${libdir}"; eval "nmhlib2=${nmhlib}"
639 eval "nmhman=${mandir}"
644 nmh version : ${VERSION}
645 target os : ${target}
647 compiler flags : ${CFLAGS}
648 linker flags : ${LDFLAGS}
649 source code location : ${srcdir}
650 binary install path : ${nmhbin2}
651 libary install path : ${nmhlib2}
652 config files install path : ${nmhsysconf2}
653 man page install path : ${nmhman}
654 transport system : ${MTS}
655 default editor : ${editorpath}
656 default pager : ${pagerpath}"