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 Check for lorder and tsort commands
159 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
160 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
162 dnl If either doesn't exist, replace them with echo and cat
163 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
171 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
172 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
174 dnl See how we get ls to display the owner and the group
175 if test "$lspath" != "no"; then
176 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
178 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
179 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
180 dnl ls, it would seem -l gave us both the user and group. On this type of
181 dnl ls, -g makes _only_ the group be displayed (and not the user).
182 nmh_cv_ls_grpopt="-l"
184 dnl Looks like -l only gave us the user, so we need -g to get the group too.
185 nmh_cv_ls_grpopt="-lg"
190 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
191 AC_PATH_PROG(morepath, more, no, [$pathtmp])
193 dnl If pager is not specified yet,
194 dnl then use `more' as the default.
195 if test -z "$pagerpath"; then
196 pagerpath="$morepath"
198 AC_SUBST(pagerpath)dnl
200 dnl Look for `sendmail'
201 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
202 AC_PATH_PROG(sendmailpath, sendmail, no, [$pathtmp])
205 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
206 AC_PATH_PROG(vipath, vi, no, [$pathtmp])
208 dnl If editor is not specified yet,
209 dnl then use `vi' as the default.
210 if test -z "$editorpath"; then
213 AC_SUBST(editorpath)dnl
215 dnl Check for broken vi
216 AC_CACHE_CHECK(for broken vi, nmh_cv_attvibug,
217 [if echo 'r /nonexist-file
218 q' | ex > /dev/null 2>&1
225 if test "$nmh_cv_attvibug" = yes; then
229 dnl ----------------------------------------------------------
230 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
231 dnl ----------------------------------------------------------
232 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
233 [for mailspool in /var/mail dnl
236 /dev/null; dnl Just in case we fall through
238 test -d $mailspool && break
240 nmh_cv_mailspool=$mailspool
242 mailspool=$nmh_cv_mailspool
243 AC_SUBST(mailspool)dnl
245 dnl See whether the mail spool directory is world-writable.
246 if test "$lspath" != "no" -a "$cutpath" != "no"; then
247 AC_CACHE_CHECK(whether the mail spool is world-writable,
248 nmh_cv_mailspool_world_writable,
249 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
250 nmh_cv_mailspool_world_writable=no
252 nmh_cv_mailspool_world_writable=yes
256 dnl ...If it's not, we need to #define MAILGROUP to 1 and make inc setgid.
257 if test x"$nmh_cv_mailspool_world_writable" = x"no"; then
258 dnl do we really need both of these?
262 AC_SUBST(SETGID_MAIL)dnl
264 dnl see if we can determine which group owns the mail spool dir
265 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
266 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
267 dnl Should we just set it to whatever ls reports, rather than only allowing
268 dnl certain values...?
269 if test x$nmh_cv_ls_mail_grp = xmail; then
270 MAIL_SPOOL_GRP="mail"
271 elif test x$nmh_cv_ls_mail_grp = xwheel; then
272 MAIL_SPOOL_GRP="wheel"
276 AC_SUBST(MAIL_SPOOL_GRP)dnl
278 dnl ------------------
279 dnl CHECK HEADER FILES
280 dnl ------------------
286 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
287 limits.h crypt.h termcap.h termio.h termios.h locale.h \
288 sys/param.h sys/time.h sys/utsname.h arpa/inet.h \
292 AC_CACHE_CHECK(POSIX termios, nmh_cv_sys_posix_termios,
293 [AC_TRY_LINK([#include <sys/types.h>
295 #include <termios.h>],
296 [/* SunOS 4.0.3 has termios.h but not the library calls. */
298 nmh_cv_sys_posix_termios=yes, nmh_cv_sys_posix_termios=no)])
300 if test $nmh_cv_sys_posix_termios = yes; then
301 AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
302 nmh_cv_header_termios_h_tiocgwinsz,
303 [AC_TRY_LINK([#include <sys/types.h>
304 #include <termios.h>],
305 [int x = TIOCGWINSZ;],
306 nmh_cv_header_termios_h_tiocgwinsz=yes,
307 nmh_cv_header_termios_h_tiocgwinsz=no)])
309 nmh_cv_header_termios_h_tiocgwinsz=no
312 if test $nmh_cv_header_termios_h_tiocgwinsz = no; then
313 AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
314 nmh_cv_header_sys_ioctl_h_tiocgwinsz,
315 [AC_TRY_LINK([#include <sys/types.h>
316 #include <sys/ioctl.h>],
317 [int x = TIOCGWINSZ;],
318 nmh_cv_header_sys_ioctl_h_tiocgwinsz=yes,
319 nmh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
320 if test $nmh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
321 AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
326 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
327 dnl really use a whole set of them, but this check should be
330 AC_CHECK_HEADER(libio.h, [
331 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
332 AC_DEFINE(LINUX_STDIO) ]) ])
334 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM))
340 AC_CHECK_LIB(mkstemp,mkstemp)
341 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
342 sighold sigrelse writev lstat uname tzset killpg mkstemp)
344 dnl sigsetjmp may be a macro
345 AC_MSG_CHECKING(for sigsetjmp)
346 AC_TRY_LINK([#include <setjmp.h>], [sigsetjmp((void *)0, 0);],
347 [AC_DEFINE(HAVE_SIGSETJMP) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))
349 AC_REPLACE_FUNCS(snprintf strerror strdup)
351 dnl -------------------
352 dnl CHECK FOR LIBRARIES
353 dnl -------------------
354 dnl Check location of modf
355 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
357 dnl Checks for network libraries (nsl, socket)
360 dnl Check for bug in libraries such that ruserpass
361 dnl needs to be linked as _ruserpass.
364 termcap_curses_order="termcap curses ncurses"
365 for lib in $termcap_curses_order; do
366 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
375 AC_CHECK_FUNC(dbm_open, ,
376 AC_CHECK_LIB(ndbm, dbm_open, ,
377 AC_CHECK_LIB(dbm, dbm_open)))
382 AC_CHECK_HEADERS(db1/ndbm.h)
387 if test x$with_hesiod != x -a x$with_hesiod != xno; then
388 if test x$with_hesiod != xyes; then
389 HESIOD_INCLUDES="-I$with_hesiod/include"
390 HESIOD_LIBS="-L$with_hesiod/lib"
392 AC_CHECK_FUNC(res_send, ,
393 AC_CHECK_LIB(resolv, res_send))
394 AC_CHECK_LIB(hesiod, hes_resolve, [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
395 [AC_MSG_ERROR(Hesiod library not found)], $HESIOD_LIBS)
397 AC_SUBST(HESIOD_INCLUDES)dnl
398 AC_SUBST(HESIOD_LIBS)dnl
400 dnl ----------------------------------
401 dnl CHECK FOR KRB4 (Kerberos4 support)
402 dnl ----------------------------------
403 if test x$with_krb4 != x -a x$with_krb4 != xno; then
404 if test x$with_krb4 != xyes; then
405 KRB4_INCLUDES="-I$with_krb4/include"
406 if test -d "$with_krb4/include/kerberosIV"; then
407 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
409 KRB4_LIBS="-L$with_krb4/lib"
410 elif test -d /usr/include/kerberosIV; then
411 KRB4_INCLUDES="-I/usr/include/kerberosIV"
413 AC_CHECK_LIB(krb4, krb_rd_req,
414 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
415 [AC_CHECK_LIB(krb, krb_rd_req,
416 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
417 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
419 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)
421 AC_SUBST(KRB4_INCLUDES)dnl
422 AC_SUBST(KRB4_LIBS)dnl
424 dnl ---------------------
425 dnl CHECK TERMCAP LIBRARY
426 dnl ---------------------
428 dnl Add the termcap library, so that the following configure
429 dnl tests will find it when it tries to link test programs.
430 nmh_save_LIBS="$LIBS"
431 LIBS="$TERMLIB $LIBS"
433 dnl Checks for external variable ospeed in the termcap library.
434 AC_CACHE_CHECK(if an include file defines ospeed,
435 nmh_cv_decl_ospeed_include_defines,
437 [#include <sys/types.h>
443 #endif], [ospeed = 0;],
444 nmh_cv_decl_ospeed_include_defines=yes,
445 nmh_cv_decl_ospeed_include_defines=no)])
447 if test $nmh_cv_decl_ospeed_include_defines = no; then
448 AC_CACHE_CHECK(if you must define ospeed,
449 nmh_cv_decl_ospeed_must_define,
450 [AC_TRY_LINK( ,[extern short ospeed; ospeed = 0;],
451 nmh_cv_decl_ospeed_must_define=yes,
452 nmh_cv_decl_ospeed_must_define=no)])
455 if test $nmh_cv_decl_ospeed_include_defines = yes; then
456 AC_DEFINE(HAVE_OSPEED)
457 elif test $nmh_cv_decl_ospeed_must_define = yes; then
458 AC_DEFINE(HAVE_OSPEED)
459 AC_DEFINE(MUST_DEFINE_OSPEED)
462 dnl dnl Checks if tgetent accepts NULL and will
463 dnl dnl allocate its own termcap buffer.
464 dnl AC_CACHE_CHECK(if tgetent accepts NULL,
465 dnl nmh_cv_func_tgetent_accepts_null,
466 dnl [AC_TRY_RUN([main(){int i = tgetent((char*)0,"vt100");exit(!i || i == -1);}],
467 dnl nmh_cv_func_tgetent_accepts_null=yes,
468 dnl nmh_cv_func_tgetent_accepts_null=no,
469 dnl nmh_cv_func_tgetent_accepts_null=no)])
470 dnl if test $nmh_cv_func_tgetent_accepts_null = yes; then
471 dnl AC_DEFINE(TGETENT_ACCEPTS_NULL)
474 dnl Now put the libraries back to what it was before we
475 dnl starting checking the termcap library.
476 LIBS="$nmh_save_LIBS"
488 dnl Check for sigset_t. Currently I'm looking in
489 dnl <sys/types.h> and <signal.h>. Others might need
491 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
493 [#include <sys/types.h>
494 #include <signal.h>], [sigset_t tempsigset;],
495 nmh_cv_type_sigset_t=yes, nmh_cv_type_sigset_t=no)])
496 if test $nmh_cv_type_sigset_t = no; then
497 AC_DEFINE(sigset_t, unsigned int)
505 AC_CACHE_CHECK(for tm_gmtoff in struct tm, nmh_cv_struct_tm_gmtoff,
507 [#ifdef TIME_WITH_SYS_TIME
508 # include <sys/time.h>
511 # ifdef TM_IN_SYS_TIME
512 # include <sys/time.h>
517 [struct tm temptm; temptm.tm_gmtoff = 0;],
518 nmh_cv_struct_tm_gmtoff=yes, nmh_cv_struct_tm_gmtoff=no)])
519 if test $nmh_cv_struct_tm_gmtoff = yes; then
520 AC_DEFINE(HAVE_TM_GMTOFF)
526 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
527 AC_MSG_CHECKING(what style of signals to use)
528 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
529 signals_style=POSIX_SIGNALS
530 AC_DEFINE(POSIX_SIGNALS)
531 AC_DEFINE(RELIABLE_SIGNALS)
532 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
533 signals_style=BSD_SIGNALS
534 AC_DEFINE(BSD_SIGNALS)
535 AC_DEFINE(RELIABLE_SIGNALS)
536 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
537 signals_style=SYSV_SIGNALS
538 AC_DEFINE(SYSV_SIGNALS)
540 signals_style=NO_SIGNAL_BLOCKING
541 AC_DEFINE(NO_SIGNAL_BLOCKING)
544 AC_MSG_RESULT($signals_style)
546 dnl Where is <signal.h> located? Needed as input for signames.awk
547 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
548 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
549 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
550 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
551 /usr/include/linux/signal.h dnl Linux up to 1.2.11
552 /usr/include/sys/signal.h dnl Almost everybody else
553 /dev/null; dnl Just in case we fall through
555 test -f $SIGNAL_H && \
556 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
559 nmh_cv_path_signal_h=$SIGNAL_H
561 SIGNAL_H=$nmh_cv_path_signal_h
562 AC_SUBST(SIGNAL_H)dnl
565 dnl OS SPECIFIC DEFINES
611 AC_DEFINE(SCO_5_STDIO)
619 AC_OUTPUT(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
620 zotnet/Makefile zotnet/mts/Makefile zotnet/tws/Makefile \
621 zotnet/mf/Makefile zotnet/bboards/Makefile mts/Makefile \
622 mts/smtp/Makefile mts/sendmail/Makefile mts/mmdf/Makefile \
623 etc/Makefile man/Makefile, \
624 [test -z "$CONFIG_HEADERS" || echo > stamp-h])
626 eval "nmhbin=${bindir}"; eval "nmhbin2=${nmhbin}"
627 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
628 eval "nmhlib=${libdir}"; eval "nmhlib2=${nmhlib}"
629 eval "nmhman=${mandir}"
634 nmh version : ${VERSION}
635 target os : ${target}
637 compiler flags : ${CFLAGS}
638 linker flags : ${LDFLAGS}
639 source code location : ${srcdir}
640 binary install path : ${nmhbin2}
641 libary install path : ${nmhlib2}
642 config files install path : ${nmhsysconf2}
643 man page install path : ${nmhman}
644 transport system : ${MTS}
645 default editor : ${editorpath}
646 default pager : ${pagerpath}"