dnl dnl configure.ac -- autoconf template for nmh dnl dnl Move this up a bit AC_PREREQ([2.68]) 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 serial-tests subdir-objects 1.12]) 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 $DATE]) AC_SUBST([DATE])dnl dnl -------------------------- dnl CHECK COMMAND LINE OPTIONS dnl -------------------------- dnl Do you want to debug nmh? AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug],[enable nmh code debugging])) dnl Do you want client-side support for using SASL for authentication? dnl Note that this code will be enabled for both POP and SMTP AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl], [Enable SASL support via the Cyrus SASL library])) AS_IF([test x"$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 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], "$backup_prefix", [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl dnl What method of posting should post use? AC_ARG_WITH([mts], AS_HELP_STRING([--with-mts=@<:@smtp|sendmail/smtp|sendmail/pipe@:>@], [specify the default mail transport agent/service])) AS_IF([test x"$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"$with_mts" = x"sendmail/pipe"], [MTS="sendmail/pipe"], [MTS="smtp"]) AC_SUBST([MTS])dnl dnl What should be the default mail server(s)? AC_ARG_WITH([smtpservers], [AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'], [specify the default SMTP server(s) @<:@localhost@:>@])]) AS_IF([test -n "$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" && auto_cflags=1 AC_PROG_CC([cc gcc]) AM_PROG_CC_C_O dnl ---------------- dnl CUSTOMIZE CFLAGS dnl ---------------- if test -n "$auto_cflags"; then dnl The user didn't specify CFLAGS, so customize them. if test "$GCC" = yes; then dnl Can't use -ansi with gcc 4.5.3 on Cygwin, at least through setup dnl version 2.763, because it disables some features in the system dnl header files and warns about them with -Wall. Try to test for dnl that generally, with gcc. 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"]) test "$nmh_cv_has_dash_ansi" = "yes" && \ CFLAGS="${CFLAGS:+$CFLAGS }-ansi -pedantic" dnl For Ubuntu gcc 4.8.1, with -O2. It would be better to fix all these, dnl but until then, suppress the warning. AC_CACHE_CHECK([whether compiler needs -Wno-unused-result], [nmh_cv_needs_wnur], [nmh_saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -Werror -O2" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ], [extern const char *path; chdir (path); return 0;])], [nmh_cv_needs_wnur=no], [nmh_cv_needs_wnur=yes]) CFLAGS="$nmh_saved_cflags"]) AS_IF([test "$nmh_cv_needs_wnur" = yes], [CFLAGS="${CFLAGS:+$CFLAGS }-Wno-unused-result"]) else dnl Use -v and some other options with SunStudio cc. lex produces dnl code that causes unreachable-statement warnings. It might be dnl better to use an autoconf test, except -v will probably succeed dnl with many other compilers but have different meaning. AS_CASE([`${CC} -V 2>&1`], [cc:\ Sun\ C*], [CFLAGS=\ "${CFLAGS:+$CFLAGS }-v -errtags=yes -erroff=E_STATEMENT_NOT_REACHED"]) fi AC_CACHE_CHECK([whether compiler supports -Wall], [nmh_cv_has_wall], [nmh_saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -Wall -Werror" AC_TRY_COMPILE([],[],nmh_cv_has_wall=yes,nmh_cv_has_wall=no) CFLAGS="$nmh_saved_cflags"]) test "$nmh_cv_has_wall" = "yes" && CFLAGS="${CFLAGS:+$CFLAGS }-Wall" AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra], [nmh_saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -Wextra -Werror" AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes, nmh_cv_has_wextra=no) CFLAGS="$nmh_saved_cflags"]) test "$nmh_cv_has_wextra" = "yes" && CFLAGS="${CFLAGS:+$CFLAGS }-Wextra" fi dnl -------------- dnl CUSTOMIZE LINK dnl -------------- AS_IF([test `uname` = OpenBSD], dnl Munge "often/almost always misused" warnings from OpenBSD linker dnl so that they don't color the waterfall. [POSTLINK="2>&1 | sed -e \ 's/: w\(arning: s.*() is .* misused, please use\)/: W\1/'"]) AC_SUBST([POSTLINK]) dnl ----------------- dnl CUSTOMIZE LDFLAGS dnl ----------------- dnl Disable clang complaint about unused -ansi when linking. AC_CACHE_CHECK([whether linker supports -Qunused-arguments], [nmh_cv_has_q_unused_arguments], [AS_IF([test "$GCC" = yes && `${CC} --version 2>&1 | \ grep clang >/dev/null`], [nmh_saved_ldflags="$LDFLAGS" LDFLAGS="$LDFLAGS -Qunused-arguments" AC_TRY_LINK([],[],nmh_cv_has_q_unused_arguments=yes, nmh_cv_has_q_unused_arguments=no) LDFLAGS="$nmh_saved_ldflags"], [nmh_cv_has_q_unused_arguments=no])]) test "$nmh_cv_has_q_unused_arguments" = "yes" && \ LDFLAGS="${LDFLAGS:+$LDFLAGS }-Qunused-arguments" dnl This hack turns off assertions by default, assuming dnl that configure still uses this shell variable. Without dnl it, AC_HEADER_ASSERT enables assertions by default. test -z "$enable_assert" && enable_assert=no AC_HEADER_ASSERT dnl ------------------ dnl CHECK FOR PROGRAMS dnl ------------------ AC_PROG_MAKE_SET dnl Does make define $MAKE AC_PROG_INSTALL dnl Check for BSD compatible `install' AC_PROG_RANLIB dnl Check for `ranlib' AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk AC_PROG_SED dnl Check for Posix-compliant sed AM_PROG_LEX dnl Check for lex/flex AM_PROG_AR dnl Look for `cut' pathtmp=/usr/xpg4/bin:/usr/bin:/bin:/usr/local/bin:/usr/ucb AC_PATH_PROG([cutpath], [cut], [no], [$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 *(.*) *= \([0-9a-f]*\)/\1/'"]], [MD5FMT="missing"]) AC_SUBST([MD5FMT]) dnl Look for `ls' pathtmp=/usr/xpg4/bin:/usr/bin:/bin:/usr/local/bin:/usr/ucb AC_PATH_PROG([lspath], [ls], [no], [$pathtmp]) dnl See how we get ls to display the owner and the group AS_IF([test "$lspath" != "no"], [AC_CACHE_CHECK([how to get ls to show us the group ownership of a file], [nmh_cv_ls_grpopt], [AS_IF([test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"],[ dnl There were 9 parameters, so unless this is a really bizarre, nonstandard dnl ls, it would seem -l gave us both the user and group. On this type of dnl ls, -g makes _only_ the group be displayed (and not the user). nmh_cv_ls_grpopt="-l"],[ dnl Looks like -l only gave us the user, so we need -g to get the group too. nmh_cv_ls_grpopt="-lg"])])]) dnl Look for `sendmail' pathtmp=/usr/sbin:/usr/lib:/usr/etc:/usr/ucblib:/usr/bin:/bin AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp]) 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. AS_IF([test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0], [nmh_cv_dotlockfile_setgid=yes]) 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 NMH_MIMETYPEPROC NMH_MIMEENCODINGPROC 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="$CPPFLAGS -D_GNU_SOURCE"])]) AC_HEADER_TIOCGWINSZ AC_CHECK_HEADERS([fcntl.h wchar.h wctype.h sys/param.h sys/time.h sys/stream.h]) AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1, [Define to 1 if `struct winsize' requires .]),, [[#if HAVE_SYS_STREAM_H # include #endif ]]) dnl --------------- dnl CHECK FUNCTIONS dnl --------------- AC_CHECK_FUNCS([wcwidth mbtowc getutxent arc4random mkstemps]) dnl Check for multibyte character set support AS_IF([test "x$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 Checks for network libraries (nsl, socket) NMH_CHECK_NETLIBS dnl Check the locking functions supported and what we should use by default NMH_LOCKING dnl Check for iconv NMH_CHECK_ICONV dnl Check for tputs() callback argument NMH_TPUTS_PUTC_ARG termcap_curses_order="termcap curses ncurses" for lib in $termcap_curses_order; do AC_CHECK_LIB([${lib}], [setupterm], [TERMLIB="-l$lib"; break]) done AC_SUBST([TERMLIB])dnl AS_IF([test "x$TERMLIB" = "x"], [AC_MSG_FAILURE([Could not find setupterm in any library. Is there a curses or ncurses library or package that you can install?])]) dnl Check for readline support NMH_READLINE 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"],[ dnl OpenBSD 5 needs the other-libraries (fourth argument) to the dnl AC_CHECK_LIB for SSL_library_init, because it doesn't dnl automatically append -lcrypto when linking with -lssl. AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])]) AC_CHECK_LIB([crypto], [BIO_write], [TLSLIB="-lcrypto"], [AC_MSG_ERROR([OpenSSL crypto library not found])]) AC_CHECK_LIB([ssl], [SSL_library_init], [TLSLIB="-lssl $TLSLIB"], [AC_MSG_ERROR([OpenSSL library not found])],[$TLSLIB])], [TLSLIB=]) AC_SUBST([TLSLIB]) dnl ---------------- dnl CHECK FLEX FIXUP dnl ---------------- dnl Use LFLAGS make variable setting to work around bugs in flex dnl 2.5.36 that cause signed/unsigned mismatch, dnl http://sourceforge.net/p/flex/bugs/140/ AS_IF([test "$LEX" = flex], [AS_CASE([`$LEX -V`], [flex\ 2.5.35], [LFLAGS=\ '; sed -e "s/ int n;/ size_t n;/" $@ >$@.tmp && mv -f $@.tmp $@; true'], [flex\ 2.5.36], [LFLAGS=\ '; sed -s "s/\( \)int i;/\1yy_size_t i;/" $@ >$@.tmp && mv -f $@.tmp $@; true']) AC_SUBST([LFLAGS])]) 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=$nmh_cv_path_signal_h AC_SUBST(SIGNAL_H)dnl dnl dnl Sigh, this is required because under the new world order autoconf has dnl nothing to create in a few of the build directories when doing an object dnl tree build. So make sure we created certain directories if they don't dnl exist. dnl AC_CONFIG_COMMANDS([build-directories], [test -d man || AS_MKDIR_P([man])]) AC_CONFIG_COMMANDS_POST([ dnl These odd looking assignments are done to expand out unexpanded dnl variables in bindir et al (for instance mandir is '${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} spool default locking type : ${with_locking} default smtp servers : ${smtpservers} 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