Add/update copyright notice in all source code files.
[mmh] / configure.in
index 27b541d..70dac65 100644 (file)
@@ -14,11 +14,13 @@ dnl define a macro or two
 dnl ---------------------
 
 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
+if test -n "$LIBTOOL" ; then
   tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
   if test x"$tmptest" != x  ; then
     GNU_LIBTOOL=1
     AC_SUBST(GNU_LIBTOOL)dnl
   fi
+fi
 ] )
   
 
@@ -27,10 +29,25 @@ VERSION=`sed -e 's/nmh-//' ${srcdir}/VERSION`
 echo "configuring for nmh-$VERSION"
 AC_SUBST(VERSION)dnl
 
+dnl What date of nmh are we building?
+DATE=`cat ${srcdir}/DATE`
+echo "configuring for nmh dated $DATE"
+AC_SUBST(DATE)dnl
+
 dnl --------------------------
 dnl CHECK COMMAND LINE OPTIONS
 dnl --------------------------
 
+dnl Do you want client-side support for apop?
+AC_ARG_ENABLE(apop,
+[  --enable-apop           enable client-side support for POP3 and APOP])
+if test x"$enable_apop" = x"yes"; then
+  AC_DEFINE(APOP)dnl
+  APOPLIB=md5.o
+  enable_pop=yes
+fi
+AC_SUBST(APOPLIB)dnl
+
 dnl Do you want to debug nmh?
 undefine([debug])dnl
 AC_ARG_ENABLE(debug,
@@ -43,8 +60,8 @@ fi
 dnl Allow users to send email from addresses other than their default?
 undefine([masquerade])dnl
 AC_ARG_ENABLE(masquerade,
-  [  --enable-masquerade[='draft_from[ mmailid[ username_extension]]']
-                          enable 3 types of email address masquerading [none]],
+  [  --enable-masquerade[='draft_from mmailid username_extension']
+                          enable up to 3 types of address masquerading [none]],
   [if test x"$enable_masquerade" = x"yes"; then
     masquerade="draft_from mmailid username_extension"
   else
@@ -66,20 +83,22 @@ fi
 dnl Do you want client-side support for pop?
 undefine([pop])dnl
 AC_ARG_ENABLE(pop,
-[  --enable-pop            enable client-side support for pop])
+[  --enable-pop            enable client-side support for plain POP3])
 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
 if test x"$enable_nmh_pop" = x"yes"; then
   enable_pop=yes
 fi
-if test x"$enable_pop" = x"yes"; then
-  AC_DEFINE(POP)dnl
-  POPLIB=popsbr.o
-  POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
+
+dnl Do you want client-side support for using SASL for authentication?
+dnl Note that this code will be enabled for both POP and SMTP
+AC_ARG_WITH(cyrus-sasl,
+[  --with-cyrus-sasl=<dir> Specify location of Cyrus SASL library for auth])
+if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
+  AC_DEFINE(CYRUS_SASL)dnl
+  sasl_support=yes
 else
-  POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
+  sasl_support=no
 fi
-AC_SUBST(POPLIB)dnl
-AC_SUBST(POPSED)dnl
 
 dnl What should be the default editor?
 undefine([editor])dnl
@@ -90,6 +109,17 @@ if test -n "$with_editor"; then
   editorpath="$with_editor"
 fi
 
+dnl Set the backup prefix
+undefine([backup-prefix])dnl
+AC_ARG_WITH([hash-backup],
+  [  --with-hash-backup      use # as the backup prefix (default: ,)])
+if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
+  backup_prefix="#"
+else
+  backup_prefix=","
+fi
+AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix")dnl
+
 dnl Do you want support for hesiod
 AC_ARG_WITH(hesiod,
 [  --with-hesiod=PREFIX    specify location of Hesiod])
@@ -99,33 +129,63 @@ fi
 
 dnl Do you want client-side support for kpop
 AC_ARG_WITH(krb4,
-[  --with-krb4=PREFIX      specify location of Kerberos V4 for kpop support])
+[  --with-krb4=PREFIX      specify location of Kerberos V4 for KPOP support])
 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
+  enable_pop=yes
   AC_DEFINE(KPOP)dnl
   AC_DEFINE(KPOP_PRINCIPAL, "pop")dnl
 fi
 
+dnl After we know if we're including apop and kpop support, do pop stuff
+if test x"$enable_pop" = x"yes"; then
+  AC_DEFINE(POP)dnl
+  POPLIB=popsbr.o
+  POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
+else
+  POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
+fi
+AC_SUBST(POPLIB)dnl
+AC_SUBST(POPSED)dnl
+
+dnl What method of locking to use?
+undefine([locking])dnl
+AC_ARG_WITH(locking,
+[  --with-locking=LOCKTYPE specify the file locking method
+                          (one of dot, fcntl, flock, lockf)])
+
+if test x"$with_locking" = x"dot"; then
+  LOCKTYPE="dot"
+  AC_DEFINE(DOT_LOCKING)dnl
+elif test x"$with_locking" = x"flock"; then
+  LOCKTYPE="flock"
+  AC_DEFINE(FLOCK_LOCKING)dnl
+elif test x"$with_locking" = x"lockf"; then
+  LOCKTYPE="lockf"
+  AC_DEFINE(LOCKF_LOCKING)dnl
+elif test x"$with_locking" = x"fcntl"; then
+  LOCKTYPE="fcntl"
+  AC_DEFINE(FCNTL_LOCKING)dnl
+else
+  LOCKTYPE="dot"
+  AC_DEFINE(DOT_LOCKING)dnl
+fi
+
 dnl What method of posting should post use?
 undefine([mts])dnl
 AC_ARG_WITH(mts,
-[  --with-mts=MTS          specify the mail transport agent])
+[  --with-mts=MTS          specify the default mail transport agent/service])
 
 if test x"$with_mts" = x"smtp"; then
   MTS="smtp"
-  MTSLIB="mts/smtp/libsmtp.a"
-  AC_DEFINE(SMTPMTS)dnl
 elif test x"$with_mts" = x"sendmail"; then
   MTS="sendmail"
-  MTSLIB="mts/sendmail/libsend.a"
-  AC_DEFINE(SENDMTS)dnl
 else
   MTS="smtp"
-  MTSLIB="mts/smtp/libsmtp.a"
-  AC_DEFINE(SMTPMTS)dnl
 fi
-
 AC_SUBST(MTS)dnl
-AC_SUBST(MTSLIB)dnl
+
+dnl Both the smtp and sendmail mail transport services use the smtp code
+AC_DEFINE(SMTPMTS)dnl
 
 dnl What should be the default pager?
 undefine([pager])dnl
@@ -140,7 +200,7 @@ dnl What should be the default mail server(s)?
 undefine([smtpservers])dnl
 AC_ARG_WITH(smtpservers,
 [  --with-smtpservers='SMTPSERVER1[ SMTPSERVER2...]'
-                          specify the default smtp server(s) [localhost]])
+                          specify the default SMTP server(s) [localhost]])
 if test -n "$with_smtpservers"; then
   smtpservers="$with_smtpservers"
 else
@@ -177,9 +237,18 @@ if test -n "$auto_cflags"; then
       test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
     fi
   else
-    test -z "$LDFLAGS" && LDFLAGS=-s
+    if test -z "$LDFLAGS"; then
+      case "$build_os" in
+       darwin*)
+         LDFLAGS=
+          ;;
+       *)
+         LDFLAGS=-s
+         ;;
+      esac
+    fi
     if test -n "$GCC"; then
-      test -z "$CFLAGS" && CFLAGS=-O2 || CFLAGS="$CFLAGS -O2"
+      test -z "$CFLAGS" && CFLAGS="-Wall -O2" || CFLAGS="$CFLAGS -Wall -O2"
     else
       test -z "$CFLAGS" && CFLAGS=-O  || CFLAGS="$CFLAGS -O"
     fi
@@ -201,6 +270,25 @@ dnl Look for `cut'
 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
 
+dnl ----------------------------------------------
+dnl check for lclint, and lint if it doesn't exist
+dnl ----------------------------------------------
+AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
+if test x$ac_cv_prog_linttmp1 != xno ; then
+  LINT=$ac_cv_prog_linttmp1
+  LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
+else
+  AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
+  if test x$ac_cv_prog_linttmp2 != xno ; then
+    LINT=$ac_cv_prog_linttmp2
+    LINTFLAGS=""
+  else
+    LINT="echo 'No lint program found'"
+    LINTFLAGS=""
+  fi
+fi
+AC_SUBST(LINT)dnl
+AC_SUBST(LINTFLAGS)dnl
 
 dnl try to figure out which one we've got
 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
@@ -224,6 +312,20 @@ dnl   AC_SUBST(LORDER)dnl
 dnl   AC_SUBST(TSORT)dnl
 fi
 
+dnl Check whether tsort can deal with loops
+AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
+  [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
+    nmh_cv_tsort_loop=no
+  else
+    nmh_cv_tsort_loop=yes
+  fi])
+if test x$nmh_cv_tsort_loop = xno ; then
+  LORDER=echo
+  TSORT=cat
+  AC_SUBST(LORDER)dnl
+  AC_SUBST(TSORT)dnl
+fi
+
 dnl Look for `ls'
 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
@@ -310,8 +412,25 @@ if test "$lspath" != "no" -a "$cutpath" != "no"; then
   fi])
 fi
 
-dnl ...If it's not, we need to #define MAILGROUP to 1 and make inc setgid.
-if test x"$nmh_cv_mailspool_world_writable" = x"no"; then
+dnl Also, check for liblockfile (as found on Debian systems)
+AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
+
+dnl and whether its companion program dotlockfile is setgid
+AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
+if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
+  if test "$ac_cv_path_dotlockfilepath" != "no" ; then
+    AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
+    [ if test -g "$ac_cv_path_dotlockfilepath" ; then
+        nmh_cv_dotlockfile_setgid=yes
+      else
+        nmh_cv_dotlockfile_setgid=no
+      fi])
+  fi
+fi
+
+dnl If mailspool is not world-writable and dotlockfile is not setgid,
+dnl we need to #define MAILGROUP to 1 and make inc setgid.
+if test x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
   dnl do we really need both of these?
   AC_DEFINE(MAILGROUP)dnl
   SETGID_MAIL=1
@@ -368,7 +487,7 @@ if test $nmh_cv_header_termios_h_tiocgwinsz = no; then
   nmh_cv_header_sys_ioctl_h_tiocgwinsz=yes,
   nmh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
   if test $nmh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
-    AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
+    AC_DEFINE(GWINSZ_IN_SYS_IOCTL)dnl
   fi
 fi
  
@@ -390,7 +509,7 @@ AC_FUNC_VFORK
 AC_CHECK_LIB(mkstemp,mkstemp)
 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
                sighold sigrelse writev lstat uname tzset killpg mkstemp \
-               sethostent)
+               sethostent getutent)
 
 dnl solaris screws this up
 AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
@@ -432,17 +551,12 @@ AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
 dnl Checks for network libraries (nsl, socket)
 AC_CHECK_NETLIBS
 
-dnl Check for bug in libraries such that ruserpass
-dnl needs to be linked as _ruserpass.
-AC_CHECK_RUSERPASS
-
 termcap_curses_order="termcap curses ncurses"
 for lib in $termcap_curses_order; do
   AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
 done
 AC_SUBST(TERMLIB)dnl
 
-
 dnl --------------
 dnl CHECK FOR NDBM
 dnl --------------
@@ -464,10 +578,16 @@ if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
     HESIOD_INCLUDES="-I$with_hesiod/include"
     HESIOD_LIBS="-L$with_hesiod/lib"
   fi
-  AC_CHECK_FUNC(res_send, ,
-    AC_CHECK_LIB(resolv, res_send))
-  AC_CHECK_LIB(hesiod, hes_resolve, [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
-    [AC_MSG_ERROR(Hesiod library not found)], $HESIOD_LIBS)
+  AC_CHECK_FUNC(res_send,
+       [AC_CHECK_LIB(hesiod, hes_resolve,
+               [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
+               [AC_MSG_ERROR(Hesiod library not found)],
+               $HESIOD_LIBS)],
+       [AC_CHECK_LIB(hesiod, hes_resolve,
+               [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
+               [AC_MSG_ERROR(Hesiod library not found)],
+               $HESIOD_LIBS -lresolv)])
+
 fi
 AC_SUBST(HESIOD_INCLUDES)dnl
 AC_SUBST(HESIOD_LIBS)dnl
@@ -485,17 +605,54 @@ if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
   elif test -d /usr/include/kerberosIV; then
     KRB4_INCLUDES="-I/usr/include/kerberosIV"
   fi
-  AC_CHECK_LIB(krb4, krb_rd_req,
-    [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
-    [AC_CHECK_LIB(krb, krb_rd_req,
-      [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
-      [AC_MSG_ERROR(Kerberos 4 libraries not found)],
-      $KRB4_LIBS -ldes)],
-    $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)
+dnl First, check if we have -lk5crypto, since that means we have a recent krb5
+
+  AC_CHECK_LIB(k5crypto, krb5_encrypt,
+       [AC_CHECK_LIB(krb4, krb_rd_req,
+               [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcom_err"],
+               [AC_MSG_ERROR(Kerberos 4 compatibility libraries not found)],
+               $KRB4_LIBS -ldes425 -lkrb5 -lk5crypto -lcom_err)],
+
+       [AC_CHECK_LIB(krb4, krb_rd_req,
+           [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
+           [AC_CHECK_LIB(krb, krb_rd_req,
+             [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
+             [AC_MSG_ERROR(Kerberos 4 libraries not found)],
+             $KRB4_LIBS -ldes)],
+           $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)],
+       $KRB4_LIBS)
+
 fi
 AC_SUBST(KRB4_INCLUDES)dnl
 AC_SUBST(KRB4_LIBS)dnl
 
+dnl --------------------
+dnl CHECK FOR CYRUS SASL
+dnl --------------------
+if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
+  if test x"$with_cyrus_sasl" != x"yes"; then
+    SASL_INCLUDES="-I$with_cyrus_sasl/include"
+    SASL_LIBS="-L$with_cyrus_sasl/lib"
+
+    dnl Do OS-specific hardcoding of SASL shared library path into executables,
+    dnl so user isn't forced to set environment variables like Solaris'
+    dnl LD_LIBRARY_PATH.
+    case "$target_os" in
+      solaris*)
+       SASL_LIBS="$SASL_LIBS -R$with_cyrus_sasl/lib"
+       ;;
+    esac
+  fi
+  save_LDFLAGS="$LDFLAGS"
+  LDFLAGS="$LDFLAGS $SASL_LIBS"
+  AC_CHECK_LIB(sasl, sasl_client_new,
+    [SASL_LIBS="$SASL_LIBS -lsasl"],
+    [AC_MSG_ERROR(Cyrus SASL library not found)])
+  LDFLAGS="$save_LDFLAGS"
+fi
+AC_SUBST(SASL_INCLUDES)dnl
+AC_SUBST(SASL_LIBS)dnl
+
 dnl ---------------------
 dnl CHECK TERMCAP LIBRARY
 dnl ---------------------
@@ -528,7 +685,7 @@ if test $nmh_cv_decl_ospeed_include_defines = no; then
 fi
  
 if test $nmh_cv_decl_ospeed_include_defines = yes; then
-  AC_DEFINE(HAVE_OSPEED)
+  AC_DEFINE(HAVE_OSPEED)dnl
 elif test $nmh_cv_decl_ospeed_must_define = yes; then
   AC_DEFINE(HAVE_OSPEED)
   AC_DEFINE(MUST_DEFINE_OSPEED)
@@ -687,10 +844,8 @@ dnl ----------------
 dnl OUTPUT MAKEFILES
 dnl ----------------
 AC_OUTPUT(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
-          zotnet/Makefile zotnet/mts/Makefile zotnet/tws/Makefile \
-          zotnet/mf/Makefile zotnet/bboards/Makefile mts/Makefile \
-          mts/smtp/Makefile mts/sendmail/Makefile mts/mmdf/Makefile \
-          etc/Makefile man/Makefile, \
+          mts/Makefile mts/smtp/Makefile \
+         etc/Makefile docs/Makefile man/Makefile, \
           [test -z "$CONFIG_HEADERS" || echo > stamp-h])
 
 dnl Umm, what's the point of these assignments??  -- <dan-nmh@dilvish.speed.net>
@@ -699,8 +854,19 @@ eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
 eval "nmhlib=${libdir}";         eval "nmhlib2=${nmhlib}"
 eval "nmhman=${mandir}"
 
-if test x"$enable_pop" = x; then
-  enable_pop=no
+pop_kinds=no
+if test x"$enable_pop" = x"yes"; then
+  pop_kinds="yes ("
+
+  if test x"$enable_apop" = x"yes"; then
+    pop_kinds="${pop_kinds}APOP "
+  fi
+
+  if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
+    pop_kinds="${pop_kinds}KPOP "
+  fi
+
+  pop_kinds="${pop_kinds}POP3)"
 fi
 
 echo "
@@ -716,10 +882,13 @@ binary install path        : ${nmhbin2}
 libary install path        : ${nmhlib2}
 config files install path  : ${nmhsysconf2}
 man page install path      : ${nmhman}
+backup prefix              : ${backup_prefix}
 transport system           : ${MTS}
+file locking type          : ${LOCKTYPE}
 default smtp servers       : ${smtpservers}
 default editor             : ${editorpath}
 default pager              : ${pagerpath}
 email address masquerading : ${masquerade}
-pop is enabled             : ${enable_pop}"
+pop is enabled             : ${pop_kinds}
+SASL support               : ${sasl_support}"
 echo ""