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"$with_tls" != x"no"],[
- AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
- tls_support=yes],[tls_support=no])
+
+dnl Do you want client-side support for using OAuth2 for SMTP & POP auth?
+AC_ARG_WITH([oauth], AS_HELP_STRING([--with-oauth],
+ [Enable OAuth2 support in SMTP and POP auth]))
dnl Set the backup prefix
AC_ARG_WITH([hash-backup],
[MTS="smtp"])
AC_SUBST([MTS])dnl
-dnl What should be the default mail server(s)?
-AC_ARG_WITH([smtpservers],
- [AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
- [specify the default SMTP server(s) @<:@localhost@:>@])])
-AS_IF([test -n "$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
-
- 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
+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:+$CFLAGS }-Wextra"
+
+AC_SUBST([AM_CFLAGS])
+
+dnl Check for any platform-specific additional AM_CPPFLAGS. This depends on
+dnl MULTIBYTE_ENABLED having already been set.
+NMH_ADDL_CPPFLAGS
+
+dnl FreeBSD needs a bit of magic to bring getline() into scope.
+dnl We do this here rather than in (say) h/mh.h because this macro must
+dnl be defined before <stdio.h> is pulled in.
+dnl
+dnl And while we're here, add the packages tree to the cpp and ld search
+dnl paths. Note that FreeBSD's pkg(8) seems to be hardwired to use /usr/local.
+dnl If /usr/ports is installed, we use its idea of where things are installed,
+dnl otherwise we assume /usr/local.
+
+AS_IF([test `uname` = FreeBSD],
+ [CPPFLAGS="${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 "$build_os" in
- darwin*) LDFLAGS= ;;
- *) LDFLAGS=-s ;;
- esac
- fi
-fi
-
-dnl This hack turns off assertions by default, assuming
-dnl that configure still uses this shell variable. Without
-dnl it, AC_HEADER_ASSERT enables assertions by default.
-test -z "$enable_assert" && enable_assert=no
+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])
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_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"],[
- 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 $TLSLIB"],
- [AC_MSG_ERROR([OpenSSL library not found])])],
- [TLSLIB=])
+AS_IF([test x"$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], 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$CURLLIB" != x],
+ [AC_DEFINE([OAUTH_SUPPORT], [1], [Support OAuth2 in SMTP auth.])
+ OAUTH_SUPPORT=1
+ oauth_support=yes])
+
dnl ----------------
dnl CHECK FLEX FIXUP
dnl ----------------
-dnl Use LFLAGS make variable setting to work around bugs in flex
-dnl 2.5.36 that cause signed/unsigned mismatch,
+dnl Use AM_LFLAGS make variable setting to work around bugs in flex
+dnl 2.5.36-37 that cause signed/unsigned mismatch,
dnl http://sourceforge.net/p/flex/bugs/140/
+dnl 2.6.1 bug: https://github.com/westes/flex/issues/97
AS_IF([test "$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/; \
+ s/int n; \\/yy_size_t n; \\/'\'' $@ >$@.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=$nmh_cv_path_signal_h
-AC_SUBST(SIGNAL_H)dnl
-
dnl
dnl Sigh, this is required because under the new world order autoconf has
dnl nothing to create in a few of the build directories when doing an object
dnl
AC_CONFIG_COMMANDS([build-directories],
-[test -d man || AS_MKDIR_P([man])])
+[AS_MKDIR_P([etc]); AS_MKDIR_P([man])])
AC_CONFIG_COMMANDS_POST([
dnl the final summary and should use them nowhere else (see the autoconf
dnl docs for the rationale for bindir etc being unexpanded).
eval "nmhbin=${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