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])
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 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])
+AS_IF([test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != xyes -a \
+ x"$with_cyrus_sasl" != xno],[
+ AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
+ AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])])
dnl Do you want client-side support for encryption with TLS?
AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support]))
-AS_IF([test x"$with_tls" != x -a x"$with_tls" != x"no"],[
- AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
- tls_support=yes],[tls_support=no])
+
+dnl Do you want client-side support for using OAuth2 for SMTP authentication?
+AC_ARG_WITH([oauth], AS_HELP_STRING([--with-oauth],
+ [Enable OAuth2 support in SMTP auth]))
dnl Set the backup prefix
AC_ARG_WITH([hash-backup],
[MTS="smtp"])
AC_SUBST([MTS])dnl
-dnl What should be the default mail server(s)?
-AC_ARG_WITH([smtpservers],
- [AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
- [specify the default SMTP server(s) @<:@localhost@:>@])])
-AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
- [smtpservers="localhost"])
-AC_SUBST([smtpservers])dnl
-
-dnl ----------------------------------------------------
-dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
-dnl ----------------------------------------------------
+dnl What should be the default mail server?
+AC_ARG_WITH([smtpserver],
+ [AS_HELP_STRING([--with-smtpserver='SMTPSERVER'],
+ [specify the default SMTP server @<:@localhost@:>@])])
+AS_IF([test -n "$with_smtpserver"], [smtpserver="$with_smtpserver"],
+ [smtpserver="localhost"])
+AC_SUBST([smtpserver])dnl
+
+dnl -------------------------------------------------------------------
+dnl Default location is /usr/local/nmh/{bin,etc,libexec,man}, unless we
+dnl find an existing installation, in which case we use its location.
+dnl -------------------------------------------------------------------
AC_PREFIX_DEFAULT([/usr/local/nmh])
+AC_PREFIX_PROGRAM([mhparam])
dnl ------------------
dnl CHECK THE COMPILER
dnl ------------------
-dnl We want these before the checks,
-dnl so the checks can modify their values.
-test -z "$CFLAGS" && auto_cflags=1
AC_PROG_CC([cc gcc])
AM_PROG_CC_C_O
+dnl ------------------
+dnl CHECK HEADER FILES
+dnl ------------------
+
+AC_HEADER_TIOCGWINSZ
+AC_CHECK_HEADERS([fcntl.h stdbool.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 <sys/ptem.h>.]),,
+[[#if HAVE_SYS_STREAM_H
+# include <sys/stream.h>
+#endif
+]])
+
+dnl ---------------
+dnl CHECK FUNCTIONS
+dnl ---------------
+AC_CHECK_FUNCS([wcwidth mbtowc getutxent arc4random mkstemps])
+
+dnl Use custom getline for platforms that don't have it.
+AC_CONFIG_LIBOBJ_DIR([sbr])
+AC_REPLACE_FUNCS([getline])
+
+dnl -----------------------
+dnl CHECK MULTIBYTE SUPPORT
+dnl -----------------------
+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 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 <time.h>],[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:+$CFLAGS }-ansi -pedantic"
- else
- dnl Use -v and some other options with SunStudio cc. lex produces
- dnl code that causes unreachable-statement warnings. It might be
- dnl better to use an autoconf test, except -v will probably succeed
- dnl with many other compilers but have different meaning.
- AS_CASE([`${CC} -V 2>&1`],
- [cc:\ Sun\ C*], [CFLAGS=\
+dnl The user didn't specify CFLAGS, so customize them.
+
+if test "$GCC" != yes; then
+ dnl Use -v and some other options with SunStudio cc. lex produces
+ dnl code that causes unreachable-statement warnings. It might be
+ dnl better to use an autoconf test, except -v will probably succeed
+ dnl with many other compilers but have different meaning.
+ AS_CASE([`${CC} -V 2>&1`],
+ [cc:*\ Sun\ C*], [CFLAGS=\
"${CFLAGS:+$CFLAGS }-v -errtags=yes -erroff=E_STATEMENT_NOT_REACHED"])
- fi
+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 -Wno-unused-result],
- [nmh_cv_has_wnur],
- [nmh_saved_cflags="$CFLAGS"
- CFLAGS="$CFLAGS -Wno-unused-result -Werror"
- AC_TRY_COMPILE([],[],nmh_cv_has_wnur=yes,nmh_cv_has_wnur=no)
- CFLAGS="$nmh_saved_cflags"])
- test "$nmh_cv_has_wnur" = "yes" && \
- CFLAGS="${CFLAGS:+$CFLAGS }-Wno-unused-result"
-
- 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"
+AC_CACHE_CHECK([whether compiler supports -Wall], [nmh_cv_has_wall],
+ [nmh_saved_cflags="$CFLAGS"
+ CFLAGS="$AM_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="$AM_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:+$CFLAGS }-Wextra"
+
+AC_SUBST([AM_CFLAGS])
+
+dnl Check for any platform-specific additional AM_CPPFLAGS. This depends on
+dnl MULTIBYTE_ENABLED having already been set.
+NMH_ADDL_CPPFLAGS
+
+if test "$GCC" = yes; then
+ dnl Do this regardless of auto_cflags value.
+ dnl Enable _FORTIFY_SOURCE checking, which is supported by
+ dnl gcc 4.1 and later, but only when optimization is enabled.
+ dnl It shouldn't hurt with earlier versions because it's a cpp macro.
+ dnl If the user configures with a CFLAGS that contains a -O flag
+ dnl but then removes it a make time, they'll also have to remove
+ dnl -D_FORTIFY_SOURCE from AM_CPPFLAGS because it requires optimization.
+ dnl Use "\ " instead of ' ' or " " for compatiblity with posh.
+ AS_CASE([$CFLAGS],
+ [-O|*\ -O|-O[[!0]]*|*\ -O[[!0]]*],
+ [AM_CPPFLAGS="${AM_CPPFLAGS:+$AM_CPPFLAGS }-D_FORTIFY_SOURCE=2"])
fi
+dnl FreeBSD needs a bit of magic to bring getline() into scope.
+dnl We do this here rather than in (say) h/mh.h because this macro must
+dnl be defined before <stdio.h> is pulled in.
+dnl
+dnl And while we're here, add the packages tree to the cpp and ld search
+dnl paths. Note that FreeBSD's pkg(8) seems to be hardwired to use /usr/local.
+dnl If /usr/ports is installed, we use its idea of where things are installed,
+dnl otherwise we assume /usr/local.
+
+AS_IF([test `uname` = FreeBSD],
+ [CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-D_WITH_GETLINE"
+ nmh_cv_freebsd_localbase=`echo '.include <bsd.port.mk>' \
+ | make -k -f /dev/stdin -V LOCALBASE 2>/dev/null | sed 1q`
+ test -z "$nmh_cv_freebsd_localbase" && nmh_cv_freebsd_localbase=/usr/local
+ CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-I$nmh_cv_freebsd_localbase/include"
+ LDFLAGS="${LDFLAGS:+$LDFLAGS }-L$nmh_cv_freebsd_localbase/lib"
+])
+
dnl --------------
dnl CUSTOMIZE LINK
dnl --------------
-if test `uname` = OpenBSD; then
- dnl Filter out "often/almost always misused" warnings from OpenBSD linker.
- [POSTLINK="2>&1 | egrep -v ': [w]arning: s[a-z]+\(\) is \
-(almost always|often) misused, please use'; true"]
-fi
+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 -----------------
-if test "$GCC" = yes; then
- dnl Disable clang complaint about unused -ansi when linking.
- AC_CACHE_CHECK([whether linker supports -Qunused-arguments],
- [nmh_cv_has_q_unused_arguments],
- [nmh_saved_ldflags="$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"])
- test "$nmh_cv_has_q_unused_arguments" = "yes" && \
- LDFLAGS="${LDFLAGS:+$LDFLAGS }-Qunused-arguments"
-fi
-
-dnl This really shouldn't be necessary. And we really shouldn't add -s.
-if test x"$enable_debug" = x"yes"; then
- test -z "$LDFLAGS" && LDFLAGS=-g
-else
- if test -z "$LDFLAGS"; then
- case "$build_os" in
- darwin*) LDFLAGS= ;;
- *) LDFLAGS=-s ;;
- esac
- fi
-fi
+dnl Disable clang complaint about unused -ansi when linking.
+AC_CACHE_CHECK([whether linker supports -Qunused-arguments],
+ [nmh_cv_has_q_unused_arguments],
+ [AS_IF([test "$GCC" = yes && `${CC} --version 2>&1 | \
+ grep clang >/dev/null`],
+ [nmh_saved_ldflags="$LDFLAGS"
+ LDFLAGS="$AM_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 "$nmh_cv_has_q_unused_arguments" = "yes" && \
+ AM_LDFLAGS="${AM_LDFLAGS:+$AM_LDFLAGS }-Qunused-arguments"
+AC_SUBST([AM_LDFLAGS])
dnl This hack turns off assertions by default, assuming
dnl that configure still uses this shell variable. Without
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_MAKE_SET dnl Does make define $MAKE
+AC_PROG_INSTALL dnl Check for BSD compatible `install'
+AC_PROG_RANLIB dnl Check for `ranlib'
AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
-AC_PROG_SED dnl Check for Posix-compliant sed
+AC_PROG_SED dnl Check for Posix-compliant sed
+AC_PROG_YACC dnl Check for yacc/bison
AM_PROG_LEX dnl Check for lex/flex
AM_PROG_AR
AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$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.
+dnl cp instead, even if running on an NTFS or other filesystem. (And
+dnl therefore, this cannot be made into a dynamic test, in order to
+dnl support the least common Cygwin denominator.
AS_CASE(["$host_os"],
[cygwin*], [LN=cp],
[LN=ln])
dnl If mailspool is not world-writable and dotlockfile is not setgid,
dnl we need to #define MAILGROUP to 1 and make inc setgid.
-if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
+if test x"$with_locking" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
dnl do we really need both of these?
AC_DEFINE([MAILGROUP],[1],
[Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
AC_SUBST([MAIL_SPOOL_GRP])dnl
-dnl ---------------------------------------------
-dnl CHECK FOR PROGRAM TO PROVIDE MIME TYPE STRING
-dnl ---------------------------------------------
-AS_IF([file --mime "${srcdir}"/configure >/dev/null 2>&1],
- [AS_IF([file --brief --mime "${srcdir}"/configure >/dev/null 2>&1],
- [nmh_mimetypeproc='"file --brief --mime"'],
- [nmh_mimetypeproc='"file --mime"'])])
-AS_CASE([$nmh_mimetypeproc], [?*],
- [AC_DEFINE_UNQUOTED([MIMETYPEPROC], [$nmh_mimetypeproc],
- [Program, with arguments, that provides MIME type string.])])
-AS_ECHO_N(["AS_ESCAPE([checking program to provide MIME type string ... ])"])
-AS_ECHO(["AS_ESCAPE([$nmh_mimetypeproc], [""])"])
-
-dnl ------------------
-dnl CHECK HEADER FILES
-dnl ------------------
-
-dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
-dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
-dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
-dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
-dnl declared; if so they should have an entry added to this case statement.
-dnl NB that we must define this on the compiler command line, not in config.h,
-dnl because it must be set before any system header is included and there's no
-dnl portable way to make sure that files generated by lex include config.h
-dnl before system header files.
-
-AS_CASE(["$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 langinfo.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 <sys/ptem.h>.]),,
-[[#if HAVE_SYS_STREAM_H
-# include <sys/stream.h>
-#endif
-]])
-
-dnl ---------------
-dnl CHECK FUNCTIONS
-dnl ---------------
-AC_CHECK_FUNCS([wcwidth mbtowc nl_langinfo getutxent arc4random])
-
-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])
+NMH_MIMETYPEPROC
+NMH_MIMEENCODINGPROC
dnl -------------------
dnl CHECK FOR LIBRARIES
dnl Checks for network libraries (nsl, socket)
NMH_CHECK_NETLIBS
-dnl Check for readline support
-NMH_READLINE
-
dnl Check the locking functions supported and what we should use by default
NMH_LOCKING
done
AC_SUBST([TERMLIB])dnl
AS_IF([test "x$TERMLIB" = "x"],
- [AC_MSG_FAILURE([Could not find setupterm in any library. Is there a curses
-or ncurses library or package that you can install?])])
+ [AC_MSG_FAILURE([Could not find setupterm in any library. Is there a
+curses or ncurses library or package that you can install?])])
+
+dnl Check for readline support
+NMH_READLINE
dnl --------------
dnl CHECK FOR NDBM
dnl first so we don't accidentally link in a pointless but harmless
dnl library in one of the later ndbm.h+libfoo tests:
NMH_CHECK_NDBM(ndbm.h,,,
- dnl Berkeley DBv2 emulating ndbm: header in db.h:
+ dnl Berkeley DBv2 emulating ndbm: header in db.h, e.g., 32-bit Cygwin:
NMH_CHECK_NDBM(db.h,db,,
dnl Berkeley DBv1 emulating ndbm:
NMH_CHECK_NDBM(ndbm.h,db,,
NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
NMH_CHECK_NDBM(ndbm.h,gdbm,,
- NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
-
+ dnl 64-bit Cygwin:
+ NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm,,
+ dnl On Linux, libgdbm_compat.so loads libgdbm.so as well, so it doesn't
+ dnl need to be explicit:
+ NMH_CHECK_NDBM(gdbm-ndbm.h,gdbm_compat)))))))))))
fi
else
dnl We don't really need to check that the user-specified values work,
dnl CHECK FOR CYRUS-SASL
dnl --------------------
-AS_IF([test x"$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=""])
+AS_IF([test x"$with_cyrus_sasl" != x"no"],[
+ AC_CHECK_HEADER([sasl/sasl.h], HAVE_SASL_H=1)
+ AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"])])
AC_SUBST([SASLLIB])
+dnl -----------------
+dnl Enable SASL?
+dnl -----------------
+dnl By default (with_cyrus_sasl=''), enable SASL if header and lib are found.
+dnl If SASL requested (--with-cyrus-sasl with_cyrus_sasl=yes), error if header or lib not found.
+dnl If SASL disabled (--without-cyrus-sasl with_cyrus_sasl=no), don't enable it.
+sasl_support=no
+CYRUS_SASL=0
+AC_SUBST([CYRUS_SASL])
+AS_IF([test "x$with_cyrus_sasl" = xyes && test "x$HAVE_SASL_H" = x],
+ [AC_MSG_ERROR([SASL requested but sasl.h not found])],
+ [test "x$with_cyrus_sasl" = xyes && test "x$SASLLIB" = x],
+ [AC_MSG_ERROR([SASL requested but Cyrus SASL library not found])],
+ [test "x$with_cyrus_sasl" != xno && test "x$HAVE_SASL_H" = x1 &&
+ test "x$SASLLIB" != x],
+ [AC_DEFINE([CYRUS_SASL], [1],
+ [Define to use the Cyrus SASL library for authentication of POP and SMTP.])
+ CYRUS_SASL=1
+ sasl_support=yes])
+
dnl -----------------
dnl CHECK FOR OPENSSL
dnl -----------------
-AS_IF([test x"$tls_support" = x"yes"],[
- dnl OpenBSD 5 needs the other-libraries (fourth argument) to the
- dnl AC_CHECK_LIB for SSL_library_init, because it doesn't
+AS_IF([test x"$with_tls" != x"no"],[
+ dnl OpenBSD 5 needs the other-libraries (fifth argument) to the
+ dnl AC_CHECK_LIB for SSL_new, 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_CHECK_HEADER([openssl/ssl.h], HAVE_SSL_H=1)
+ AC_CHECK_LIB([crypto], [BIO_write], [TLSLIB="-lcrypto"])
+ AC_CHECK_LIB([ssl], [SSL_new], [TLSLIB="-lssl $TLSLIB"], [TLSLIB=],
+ [$TLSLIB])])
AC_SUBST([TLSLIB])
+dnl -----------------
+dnl Enable TLS?
+dnl -----------------
+dnl By default (with_tls=''), enable TLS if header and libs were found.
+dnl If TLS requested (--with-tls with_tls=yes), error if header/lib not found.
+dnl If TLS disabled (--without-tls with_tls=no), don't enable it.
+tls_support=no
+TLS_SUPPORT=0
+AC_SUBST([TLS_SUPPORT])
+AS_IF([test "x$with_tls" = xyes && test "x$HAVE_SSL_H" = x],
+ [AC_MSG_ERROR([TLS requested but openssl/ssl.h not found])],
+ [test "x$with_tls" = xyes && test "x$TLSLIB" = x],
+ [AC_MSG_ERROR([TLS requested but crypto or ssl library not found])],
+ [test "x$with_tls" != xno && test "x$HAVE_SSL_H" = x1 && test "x$TLSLIB" != x],
+ [AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])
+ TLS_SUPPORT=1
+ tls_support=yes
+ save_LIBS="$LIBS"
+ LIBS="$LIBS $TLSLIB"
+ AC_CHECK_FUNCS([X509_VERIFY_PARAM_set1_host])
+ LIBS="$save_LIBS"])
+
+dnl -----------------
+dnl CHECK FOR CURL
+dnl -----------------
+dnl Look for curl if oauth not disabled (--without-oauth).
+AC_PATH_PROG([curl_config], [curl-config])
+AS_IF([test "x$with_oauth" != xno && test -n "$curl_config"], [
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$AM_CPPFLAGS $AM_CFLAGS $CFLAGS `$curl_config --cflags`"
+ AC_CHECK_HEADER([curl/curl.h], [
+ HAVE_CURL_H=1
+ AC_CHECK_LIB([curl], [curl_easy_init], [
+ CURLLIB="`$curl_config --libs`"
+ AC_SUBST([CURLLIB])
+ CURL_USER_AGENT="`$curl_config --version | sed 's|^libcurl *|libcurl/|; q'`"
+ AS_IF([test "x$CURL_USER_AGENT" != "x`echo $CURL_USER_AGENT | sed 's/ //'`"],
+ [AC_MSG_WARN([unexpected curl-config --version: $CURL_USER_AGENT])
+ CURL_USER_AGENT=libcurl/UNKNOWN])
+ AC_SUBST([CURL_USER_AGENT])
+ ])
+ ])
+ CFLAGS="$save_CFLAGS"
+ ])
+
+dnl -----------------
+dnl Enable OAuth?
+dnl -----------------
+dnl By default (with_oauth=''), enable OAuth if curl is found.
+dnl If OAuth requested (--with-oauth with_oauth=yes), error if curl not found.
+dnl If OAuth disabled (--without-oauth with_oauth=no), don't enable it.
+oauth_support=no
+OAUTH_SUPPORT=0
+AC_SUBST([OAUTH_SUPPORT])
+AS_IF([test "x$with_oauth" = xyes && test "x$HAVE_CURL_H" = x],
+ [AC_MSG_ERROR([OAuth requested but curl/curl.h not found])],
+ [test "x$with_oauth" = xyes && test "x$CURLLIB" = x],
+ [AC_MSG_ERROR([OAuth requested but curl library not found])],
+ [test "x$with_oauth" != xno && test "x$HAVE_CURL_H" = x1 && test "x$CURLLIB" != x],
+ [AC_DEFINE([OAUTH_SUPPORT], [1], [Support OAuth2 in SMTP auth.])
+ OAUTH_SUPPORT=1
+ oauth_support=yes])
+
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 BUG: This stops $(LFLAGS) working as it comes after $(AM_FLAGS).
+dnl Use AM_LFLAGS make variable setting to work around bugs in flex
+dnl 2.5.36-37 that cause signed/unsigned mismatch,
dnl http://sourceforge.net/p/flex/bugs/140/
+dnl 2.6.1 bug: https://github.com/westes/flex/issues/97
AS_IF([test "$LEX" = flex],
[AS_CASE([`$LEX -V`],
- [flex\ 2.5.35], [LFLAGS=\
-'; printf "%s\n" '\''1,$$s/(size_t) \(num_to_read\)/\1/'\'' w q | ed -s $@; \
-true'],
- [flex\ 2.5.36], [LFLAGS=\
-'; printf "%s\n" '\''1,$$s/\( \)int i;/\1yy_size_t i;/'\'' w q | ed -s $@; \
-true'])
- AC_SUBST([LFLAGS])])
+ [flex\ 2.5.35], [AM_LFLAGS=\
+'; sed "s/ int n;/ size_t n;/" $@ >$@.tmp && mv -f $@.tmp $@'],
+ [flex\ 2.5.3[[67]]], [AM_LFLAGS=\
+'; sed "s/\( \)int i;/\1yy_size_t i;/" $@ >$@.tmp && mv -f $@.tmp $@'],
+ [flex\ 2.6.0], [AM_LFLAGS=\
+'; sed "s/, num_to_read/, (size_t) num_to_read/" $@ >$@.tmp && mv -f $@.tmp $@'],
+ [flex\ 2.6.1], [AM_LFLAGS=\
+'; sed '\''/\<int num_to_read\>/s/int/size_t/; s/\<yy_size_t i\>/int i/'\'' $@ >$@.tmp && mv -f $@.tmp $@'])
+ AC_SUBST([AM_LFLAGS])])
+
+dnl ------------------
+dnl FOR INTERNAL USE by the NMH test suite
+dnl ------------------
+AC_ARG_VAR([NMHETCDIRINST], [for internal use by nmh test suite])
+AS_IF([test -n "$NMHETCDIRINST"], [nmhetcdirinst=$NMHETCDIRINST]
+ AC_SUBST([nmhetcdirinst]))
dnl ----------------
dnl CHECK STRUCTURES
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 <time.h>])
+dnl On Linux, $AM_CPPFLAGS contains -D_GNU_SOURCE, which makes
+dnl tm_gmtoff visible.
+nmh_saved_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
+AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[[#include <time.h>]])
+CPPFLAGS="$nmh_saved_CPPFLAGS"
AC_STRUCT_DIRENT_D_TYPE
-dnl Where is <signal.h> 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=$nmh_cv_path_signal_h
-AC_SUBST(SIGNAL_H)dnl
-
dnl
dnl Sigh, this is required because under the new world order autoconf has
dnl nothing to create in a few of the build directories when doing an object
dnl the final summary and should use them nowhere else (see the autoconf
dnl docs for the rationale for bindir etc being unexpanded).
eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
+eval "nmhlibexec=${libexecdir}"; eval "nmhlibexec=${nmhlibexec}"
eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
-eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
+eval "nmhdoc=${docdir}"; eval "nmhdoc=${nmhdoc}"
eval "nmhrpm=${nmhrpm}";
AC_MSG_NOTICE([
nmh version : AC_PACKAGE_VERSION
host os : ${host}
compiler : ${CC}
-compiler flags : ${CFLAGS}
-linker flags : ${LDFLAGS}
-preprocessor flags : ${CPPFLAGS}
+compiler flags : ${AM_CFLAGS} ${CFLAGS}
+linker flags : ${AM_LDFLAGS} ${LDFLAGS}
+preprocessor flags : ${AM_CPPFLAGS} ${CPPFLAGS}
source code location : ${srcdir}
binary install path : ${nmhbin}
-library install path : ${nmhlib}
-config files install path : ${nmhsysconf}
+libexec install path : ${nmhlibexec}/nmh
+config files install path : ${nmhsysconf}/nmh
man page install path : ${nmhman}
+docs install path : ${nmhdoc}
RPM build root : ${nmhrpm}
backup prefix : ${backup_prefix}
transport system : ${MTS}
spool default locking type : ${with_locking}
-default smtp servers : ${smtpservers}
+default smtp server : ${smtpserver}
SASL support : ${sasl_support}
TLS support : ${tls_support}
+OAuth support : ${oauth_support}
])])dnl
dnl ---------------
projects / nmh / blobdiff