dnl dnl configure.ac -- autoconf template for nmh dnl dnl Move this up a bit AC_PREREQ([2.61]) AC_INIT([nmh], m4_normalize(m4_include([VERSION])), [nmh-workers@nongnu.org]) AC_CONFIG_SRCDIR([h/nmh.h]) AC_CONFIG_HEADER([config.h]) AM_INIT_AUTOMAKE([-Wall foreign subdir-objects]) AC_CANONICAL_HOST AC_MSG_NOTICE([configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION]) AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl dnl What date of nmh are we building? DATE=`cat ${srcdir}/DATE` AC_MSG_NOTICE([configuring for nmh dated $DATE]) AC_SUBST([DATE])dnl dnl -------------------------- dnl CHECK COMMAND LINE OPTIONS dnl -------------------------- dnl Do you want to debug nmh? AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug],[enable nmh code debugging])) dnl The old redundant --enable-nmh-debug is deprecated and undocumented. AS_IF([test x"$enable_nmh_debug" = x"yes"], [enable_debug=yes]) dnl Do you want to disable use of locale functions AH_TEMPLATE([LOCALE], [Undefine if you don't want locale features. By default this is defined.]) AC_ARG_ENABLE([locale], [AS_HELP_STRING([--disable-locale], [turn off locale features])], [AS_IF([test x$enableval = xyes], [AC_DEFINE(LOCALE)])], [AC_DEFINE(LOCALE)]) dnl Do you want client-side support for using SASL for authentication? dnl Note that this code will be enabled for both POP and SMTP AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl], [Enable SASL support via the Cyrus SASL library])) AS_IF([test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"],[ AC_DEFINE([CYRUS_SASL], [1], [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl AS_IF([test x"$with_cyrus_sasl" != xyes],[ AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored]) AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])]) sasl_support=yes], [sasl_support=no]) dnl Do you want client-side support for encryption with TLS? AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support])) AS_IF([test x"$with_tls" != x -a x"$with_tls" != x"no"],[ AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl tls_support=yes],[tls_support=no]) dnl What should be the default editor? AC_ARG_WITH([editor], AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor])) AS_IF([test -n "$with_editor"], [editorpath="$with_editor"]) dnl Set the backup prefix AC_ARG_WITH([hash-backup], AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)])) AS_IF([test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"], [backup_prefix="#"], [backup_prefix=","]) AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix", [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl dnl What method of locking to use? AS_CASE(["$host_os"], [aix*|cygwin*|linux*], [default_locktype="fcntl"; default_locking=FCNTL_LOCKING], [freebsd*|openbsd*|darwin*], [default_locktype="flock"; default_locking=FLOCK_LOCKING], [default_locktype="dot"; default_locking=DOT_LOCKING]) AC_ARG_WITH(locking, AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@], [specify the file locking method])) if test x"$with_locking" = x"dot"; then LOCKTYPE="dot" AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl elif test x"$with_locking" = x"flock"; then LOCKTYPE="flock" AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl elif test x"$with_locking" = x"lockf"; then LOCKTYPE="lockf" AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl elif test x"$with_locking" = x"fcntl"; then LOCKTYPE="fcntl" AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl else LOCKTYPE="$default_locktype" AC_DEFINE_UNQUOTED($default_locking, 1)dnl fi dnl Should we use a locking directory? AC_ARG_ENABLE([lockdir], [AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [ AS_IF([test "x$enableval" = xyes],[ AC_MSG_ERROR([--enable-lockdir requires an argument])]) AS_IF([test "x$LOCKTYPE" != xdot],[ AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])]) AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"], [Directory to store dot-locking lock files]) ]) dnl What method of posting should post use? AC_ARG_WITH([mts], AS_HELP_STRING([--with-mts=@<:@smtp|sendmail/smtp|sendmail/pipe@:>@], [specify the default mail transport agent/service])) AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"], [test x"$with_mts" = x"sendmail"], [MTS="sendmail/smtp"], [test x"$with_mts" = x"sendmail/smtp"], [MTS="sendmail/smtp"], [test x"$with_mts" = x"sendmail/pipe"], [MTS="sendmail/pipe"], [MTS="smtp"]) AC_SUBST([MTS])dnl dnl What should be the default pager? AC_ARG_WITH([pager], AS_HELP_STRING([--with-pager=PAGER],[specify the default pager])) AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"]) dnl If a pager is not explicitly specified, then look for one. dnl Fall back to `cat', to avoid catastrophic failure of dnl `mhshow', et al., if pagerpath is set to `no'. if test -z "$pagerpath"; then pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin AC_PATH_PROGS([pagerpath], [more less most cat], [no], [$pathtmp]) fi AC_SUBST(pagerpath)dnl dnl What should be the default mail server(s)? AC_ARG_WITH(smtpservers, AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'], [specify the default SMTP server(s) @<:@localhost@:>@])) AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"], [smtpservers="localhost"]) AC_SUBST([smtpservers])dnl dnl ---------------------------------------------------- dnl Default location is /usr/local/nmh/{bin,etc,lib,man} dnl ---------------------------------------------------- AC_PREFIX_DEFAULT([/usr/local/nmh]) dnl ------------------ dnl CHECK THE COMPILER dnl ------------------ dnl We want these before the checks, dnl so the checks can modify their values. test -z "$CFLAGS" && CFLAGS= auto_cflags=1 if test x"$enable_debug" = x"yes"; then test -z "$LDFLAGS" && LDFLAGS=-g fi AC_PROG_CC AM_PROG_CC_C_O AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros], [nmh_cv_has_unusedmacros], [nmh_saved_cppflags="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros" AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no) CPPFLAGS="$nmh_saved_cppflags"]) if test "$nmh_cv_has_unusedmacros" = 'yes'; then test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \ || CPPFLAGS="$CPPFLAGS -Wunused-macros" DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros fi AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl AC_CACHE_CHECK([whether compiler supports -Wno-sign-compare], [nmh_cv_has_nosigncompare], [nmh_saved_cppflags="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -Wno-sign-compare" AC_TRY_COMPILE([],[],nmh_cv_has_nosigncompare=yes, nmh_cv_has_nosigncompare=no) CPPFLAGS="$nmh_saved_cppflags"]) if test "$nmh_cv_has_nosigncompare" = 'yes'; then DISABLE_SIGN_COMPARE_WARNING=-Wno-sign-compare fi AC_SUBST(DISABLE_SIGN_COMPARE_WARNING)dnl AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra], [nmh_saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -Wextra -Wno-clobbered" AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no) CFLAGS="$nmh_saved_cflags"]) AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign], [nmh_saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -Wno-pointer-sign" AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no) CFLAGS="$nmh_saved_cflags"]) dnl Can't use -ansi with gcc 4.5.3 on Cygwin, at least through setup dnl setup version 2.763, because it disables some features in the dnl system system header files and warns about them with -Wall. Try dnl to test for that generally, though still with gcc. if test "$GCC" = yes; then AC_CACHE_CHECK([whether we can use -ansi with gcc], [nmh_cv_has_dash_ansi], [nmh_saved_cppflags="$CPPFLAGS" nmh_saved_cflags="$CFLAGS" CPPFLAGS="-D_GNU_SOURCE" CFLAGS="-ansi -Wall -Werror" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ],[tzset();])], [nmh_cv_has_dash_ansi=yes], [nmh_cv_has_dash_ansi=no]) CPPFLAGS="$nmh_saved_cppflags" CFLAGS="$nmh_saved_cflags"]) else nmh_cv_has_dash_ansi=no fi dnl if the user hasn't specified CFLAGS, then dnl if compiler is gcc, then dnl use -O2 and some warning flags dnl else use -O dnl We use -Wall and -Wextra if supported. If the compiler supports it we dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new dnl warnings which are probably mostly spurious and which in any case we dnl don't want to deal with now. if test "$nmh_cv_has_noptrsign" = "yes"; then if test "$nmh_cv_has_dash_ansi" = "yes"; then nmh_gcc_common_flags="-ansi -pedantic -Wall" else nmh_gcc_common_flags="-Wall" fi if test "$nmh_cv_has_wextra" = "yes"; then nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wextra -Wno-clobbered "\ "-Wno-pointer-sign" else nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wno-pointer-sign" fi else if test "$nmh_cv_has_wextra" = "yes"; then nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wextra -Wno-clobbered" else nmh_gcc_warnflags="${nmh_gcc_common_flags}" fi fi if test -n "$auto_cflags"; then if test x"$enable_debug" = x"yes"; then if test -n "$GCC"; then test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g" else test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g" fi else if test -z "$LDFLAGS"; then case "$build_os" in darwin*) LDFLAGS= ;; *) LDFLAGS=-s ;; esac fi if test -n "$GCC"; then test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2" else test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O" fi fi fi AC_C_CONST dnl Does compiler support `const'. dnl ------------------ dnl CHECK FOR PROGRAMS dnl ------------------ AC_PROG_MAKE_SET dnl Does make define $MAKE AC_PROG_INSTALL dnl Check for BSD compatible `install' AC_PROG_RANLIB dnl Check for `ranlib' AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk AC_PROG_SED dnl Check for Posix-compliant sed AC_PROG_LEX dnl Check for lex/flex dnl Look for `cut' pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp]) dnl dnl Check for MD5 program and formatting command dnl AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing]) AS_CASE(["${MD5SUM}"], [md5sum], [MD5FMT="cat"], [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]], [MD5FMT="missing"]) AC_SUBST([MD5FMT]) 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 Look for `ls' pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb AC_PATH_PROG([lspath], [ls], [no], [$pathtmp]) dnl See how we get ls to display the owner and the group if test "$lspath" != "no"; then AC_CACHE_CHECK([how to get ls to show us the group ownership of a file], [nmh_cv_ls_grpopt], [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then dnl There were 9 parameters, so unless this is a really bizarre, nonstandard dnl ls, it would seem -l gave us both the user and group. On this type of dnl ls, -g makes _only_ the group be displayed (and not the user). nmh_cv_ls_grpopt="-l" else dnl Looks like -l only gave us the user, so we need -g to get the group too. nmh_cv_ls_grpopt="-lg" fi]) fi dnl Look for `sendmail' pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp]) dnl Look for `vi' pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp]) dnl If editor is not specified yet, dnl then use `vi' as the default. AS_IF([test -z "$editorpath"], [editorpath="$vipath"]) AC_SUBST([editorpath])dnl dnl Cygwin FAT filesystems do not support hard links. So default to dnl cp instead, even if running on an NTFS or other filesystem. AS_CASE(["$host_os"], [cygwin*],[LN=cp], [LN=ln]) AC_SUBST([LN]) dnl ---------------------------------------------------------- dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL dnl ---------------------------------------------------------- AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool, [for mailspool in /var/mail dnl /var/spool/mail dnl /usr/spool/mail dnl /dev/null; dnl Just in case we fall through do test -d $mailspool && break done nmh_cv_mailspool=$mailspool ]) mailspool=$nmh_cv_mailspool AC_SUBST([mailspool])dnl dnl See whether the mail spool directory is world-writable. if test "$lspath" != "no" -a "$cutpath" != "no"; then AC_CACHE_CHECK(whether the mail spool is world-writable, nmh_cv_mailspool_world_writable, [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then nmh_cv_mailspool_world_writable=no else nmh_cv_mailspool_world_writable=yes fi]) fi dnl Also, check for liblockfile (as found on Debian systems) AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)]) dnl and whether its companion program dotlockfile is setgid AC_PATH_PROG(dotlockfilepath, dotlockfile, no) if test "$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 Provide a way for distcheck to disable setgid_mail via dnl DISTCHECK_CONFIGURE_FLAGS. if test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0; then nmh_cv_dotlockfile_setgid=yes 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"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then dnl do we really need both of these? AC_DEFINE(MAILGROUP,1, [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl SETGID_MAIL=1 fi AC_SUBST(SETGID_MAIL)dnl dnl Use ls to see which group owns the mail spool directory. AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp, [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'` ]) MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp AC_SUBST(MAIL_SPOOL_GRP)dnl dnl ------------------ dnl CHECK HEADER FILES dnl ------------------ dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features, dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth() dnl declared; if so they should have an entry added to this case statement. dnl NB that we must define this on the compiler command line, not in config.h, dnl because it must be set before any system header is included and there's no dnl portable way to make sure that files generated by lex include config.h dnl before system header files. AS_CASE(["$host_os"], [linux*], [# Like DEFS, but doesn't get stomped on by configure when using config.h: AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"], [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])]) AC_HEADER_STDC AC_HEADER_TIOCGWINSZ AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \ langinfo.h wchar.h wctype.h iconv.h netdb.h \ sys/param.h sys/time.h sys/stream.h]) dnl dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We dnl really use a whole set of them, but this check should be dnl sufficient. dnl AC_CHECK_HEADER(libio.h, [ AC_EGREP_HEADER(_IO_write_ptr, libio.h, [ AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from .]) ]) ]) AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1, [Define to 1 if `struct winsize' requires .]),, [[#if HAVE_SYS_STREAM_H # include #endif ]]) dnl --------------- dnl CHECK FUNCTIONS dnl --------------- AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo getutxent]) dnl Check for multibyte character set support AS_IF([test "x$ac_cv_header_wchar_h" = "xyes" -a \ "x$ac_cv_header_wctype_h" = "xyes" -a \ "x$ac_cv_func_wcwidth" = "xyes" -a \ "x$ac_cv_func_mbtowc" = "xyes"], [AC_DEFINE([MULTIBYTE_SUPPORT], [1], [Define to enable support for multibyte character sets.]) MULTIBYTE_ENABLED=1], [MULTIBYTE_ENABLED=0]) AC_SUBST([MULTIBYTE_ENABLED]) dnl ------------------- dnl CHECK FOR LIBRARIES dnl ------------------- dnl Check location of modf AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf])) dnl Checks for network libraries (nsl, socket) NMH_CHECK_NETLIBS NMH_READLINE termcap_curses_order="termcap curses ncurses" for lib in $termcap_curses_order; do AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break]) done AC_SUBST([TERMLIB])dnl AS_IF([test "x$TERMLIB" = "x"], [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses or ncurses library or package that you can install?])]) dnl --------------- dnl CHECK FOR ICONV dnl --------------- dnl Find iconv. It may be in libiconv and may be iconv() or libiconv() if test "x$ac_cv_header_iconv_h" = "xyes"; then AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no) if test "x$ac_found_iconv" = "xno"; then AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes) if test "x$ac_found_iconv" = "xno"; then AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes) fi if test "x$ac_found_iconv" != "xno"; then ICONVLIB="-liconv" fi else dnl Handle case where there is a native iconv but iconv.h is from libiconv AC_CHECK_DECL(_libiconv_version, [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],, [ #include ]) fi fi if test "x$ac_found_iconv" = xyes; then AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.]) fi AC_SUBST([ICONVLIB]) dnl Check if iconv uses const in prototype declaration if test "x$ac_found_iconv" = "xyes"; then AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[#ifdef __cplusplus "C" #endif #if defined(__STDC__) || defined(__cplusplus) size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); #else size_t iconv(); #endif]])], [ac_cv_iconv_const=], [ac_cv_iconv_const=const])]) AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const, [Define as const if the declaration of iconv() needs const.]) fi dnl -------------- dnl CHECK FOR NDBM dnl -------------- AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]), [nmh_ndbm=$withval],[nmh_ndbm=autodetect]) AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include to use ndbm]), [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect]) if test "$nmh_ndbm" = "autodetect"; then if test "$nmh_ndbmheader" != "autodetect"; then AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither]) else dnl There are at least four implementations of ndbm, and dnl several of those can be in different places at the whim dnl of the system integrator. A good summary of this mess dnl can be found at http://www.unixpapa.com/incnote/dbm.html dnl Classic ndbm with no library required (eg NetBSD): try this dnl first so we don't accidentally link in a pointless but harmless dnl library in one of the later ndbm.h+libfoo tests: NMH_CHECK_NDBM(ndbm.h,,, dnl Berkeley DBv2 emulating ndbm: header in db.h: NMH_CHECK_NDBM(db.h,db,, dnl Berkeley DBv1 emulating ndbm: NMH_CHECK_NDBM(ndbm.h,db,, NMH_CHECK_NDBM(ndbm.h,db1,, dnl Classic ndbm: NMH_CHECK_NDBM(ndbm.h,ndbm,, dnl glibc2.1 systems put db1 in a subdir: NMH_CHECK_NDBM(db1/ndbm.h,db1,, dnl GNU gdbm emulating ndbm, with header possibly in gdbm/ dnl and possibly needing gbdm_compat library: NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,, NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,, NMH_CHECK_NDBM(ndbm.h,gdbm,, NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm)))))))))) fi else dnl We don't really need to check that the user-specified values work, dnl but it is a convenience to the user to bomb out early rather than dnl after configure and half the compile process. NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm]) fi if test "$nmh_ndbm_found" = "no"; then AC_MSG_ERROR([could not find a working ndbm library/header combination]) else dnl Now export the lib/header to our makefile/config.h: if test x"$nmh_ndbmheader" != x; then AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>, [Define to the header containing the ndbm API prototypes.]) fi if test x"$nmh_ndbm" != x; then NDBM_LIBS="-l$nmh_ndbm" else NDBM_LIBS= fi AC_SUBST([NDBM_LIBS]) fi dnl ------------------ dnl Set RPM build root dnl ------------------ dnl nmhrpm is used in the final summary, see below. The default value is dnl reported there as ./RPM, consistent with the reporting of the default dnl source code location as ., but its absolute path is used in the Makefile. AC_ARG_WITH(rpmdir, AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@])) AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM], [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"]) AC_SUBST([rpmdir]) dnl -------------------- dnl CHECK FOR CYRUS-SASL dnl -------------------- AS_IF([test x"$sasl_support" = x"yes"],[ AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])]) AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"], [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""]) AC_SUBST([SASLLIB]) dnl ----------------- dnl CHECK FOR OPENSSL dnl ----------------- AS_IF([test x"$tls_support" = x"yes"],[ AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])]) AC_CHECK_LIB([crypto], [BIO_write], , [AC_MSG_ERROR([OpenSSL crypto library not found])]) AC_CHECK_LIB([ssl], [SSL_library_init], , [AC_MSG_ERROR([OpenSSL library not found])])]) dnl --------------------- dnl CHECK TERMCAP LIBRARY dnl --------------------- dnl Add the termcap library, so that the following configure dnl tests will find it when it tries to link test programs. nmh_save_LIBS="$LIBS" LIBS="$TERMLIB $LIBS" dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer) dnl Some termcaps reportedly accept a zero buffer, but then dump core dnl in tgetstr(). dnl Under Cygwin test program crashes but exit code is still 0. So, dnl we test for a file that porgram should create AH_TEMPLATE([TGETENT_ACCEPTS_NULL], [Define to 1 if tgetent() accepts NULL as a buffer.]) AC_CACHE_CHECK(if tgetent accepts NULL, nmh_cv_func_tgetent_accepts_null, [AC_TRY_RUN([ main() { char buf[4096]; int r1 = tgetent(buf, "vt100"); int r2 = tgetent((char*)0,"vt100"); if (r1 >= 0 && r1 == r2) { char tbuf[1024], *u; u = tbuf; tgetstr("cl", &u); creat("conftest.tgetent", 0640); } exit((r1 != r2) || r2 == -1); } ], if test -f conftest.tgetent; then nmh_cv_func_tgetent_accepts_null=yes else nmh_cv_func_tgetent_accepts_null=no fi, nmh_cv_func_tgetent_accepts_null=no, nmh_cv_func_tgetent_accepts_null=no)]) if test x$nmh_cv_func_tgetent_accepts_null = xyes; then AC_DEFINE(TGETENT_ACCEPTS_NULL) fi AC_CACHE_CHECK(if tgetent returns 0 on success, nmh_cv_func_tgetent_zero_success, [AC_TRY_RUN([ main() { char buf[4096]; int r1 = tgetent(buf, "!@#$%^&*"); int r2 = tgetent(buf, "vt100"); if (r1 < 0 && r2 == 0) { char tbuf[1024], *u; u = tbuf; tgetstr("cl", &u); creat("conftest.tgetent0", 0640); } exit(r1 == r2); } ], if test -f conftest.tgetent0; then nmh_cv_func_tgetent_zero_success=yes else nmh_cv_func_tgetent_zero_success=no fi, nmh_cv_func_tgetent_zero_success=no, nmh_cv_func_tgetent_zero_success=no)]) AH_TEMPLATE([TGETENT_SUCCESS], [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).]) if test x$nmh_cv_func_tgetent_zero_success = xyes; then AC_DEFINE(TGETENT_SUCCESS, 0) else AC_DEFINE(TGETENT_SUCCESS, 1) fi dnl Now put the libraries back to what it was before we dnl starting checking the termcap library. LIBS="$nmh_save_LIBS" dnl -------------- dnl CHECK TYPEDEFS dnl -------------- AC_TYPE_PID_T AC_TYPE_OFF_T AC_TYPE_UID_T AC_TYPE_MODE_T AC_TYPE_SIZE_T dnl ---------------- dnl CHECK STRUCTURES dnl ---------------- dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm. dnl (FreeBSD has a timezone() function but not a timezone global dnl variable that is visible). AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include ]) AC_STRUCT_DIRENT_D_TYPE dnl Where is located? Needed as input for signames.awk AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h, [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next /usr/include/asm/signal.h dnl Linux 1.3.0 and above /usr/include/asm/signum.h dnl some versions of Linux/Alpha /usr/include/linux/signal.h dnl Linux up to 1.2.11 /usr/include/sys/signal.h dnl Almost everybody else /dev/null; dnl Just in case we fall through do test -f $SIGNAL_H && \ grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \ break done nmh_cv_path_signal_h=$SIGNAL_H ]) SIGNAL_H=$nmh_cv_path_signal_h AC_SUBST(SIGNAL_H)dnl dnl dnl Sigh, this is required because under the new world order autoconf has dnl nothing to create in a few of the build directories when doing an object dnl tree build. So make sure we created certain directories if they don't dnl exist. dnl AC_CONFIG_COMMANDS([build-directories], [test -d etc || ${MKDIR_P} etc test -d man || ${MKDIR_P} man]) AC_CONFIG_COMMANDS_POST([ dnl These odd looking assignments are done to expand out unexpanded dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'), dnl but expanding that gives '${prefix}/share/man', so we need to expand dnl again to get the final answer. dnl We only use the expanded versions to print the install paths in dnl the final summary and should use them nowhere else (see the autoconf dnl docs for the rationale for bindir etc being unexpanded). eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}" eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}" eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}" eval "nmhman=${mandir}"; eval "nmhman=${nmhman}" eval "nmhrpm=${nmhrpm}"; AC_MSG_NOTICE([ nmh configuration ----------------- nmh version : AC_PACKAGE_VERSION host os : ${host} compiler : ${CC} compiler flags : ${CFLAGS} linker flags : ${LDFLAGS} preprocessor flags : ${CPPFLAGS} source code location : ${srcdir} binary install path : ${nmhbin} library install path : ${nmhlib} config files install path : ${nmhsysconf} man page install path : ${nmhman} RPM build root : ${nmhrpm} backup prefix : ${backup_prefix} transport system : ${MTS} file locking type : ${LOCKTYPE} default smtp servers : ${smtpservers} default editor : ${editorpath} default pager : ${pagerpath} SASL support : ${sasl_support} TLS support : ${tls_support} ])])dnl dnl --------------- dnl OUTPUT MAKEFILE dnl --------------- AC_CONFIG_FILES([Makefile test/common.sh]) AC_CONFIG_FILES([uip/spost], [chmod +x uip/spost]) AC_OUTPUT