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 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"$with_cyrus_sasl" != xyes],[
- AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
- AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])])
- sasl_support=yes], [sasl_support=no])
-
-dnl Do you want client-side support for using OAuth2 for SMTP authentication?
-AC_ARG_WITH([oauth], AS_HELP_STRING([--with-oauth],
- [Enable OAuth2 support in SMTP auth]))
+AS_IF([test x"$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"$with_tls" != x"no"],[
- AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
- tls_support=yes],[tls_support=no])
+
+dnl Do you want client-side support for using OAuth2 for SMTP & POP auth?
+AC_ARG_WITH([oauth], AS_HELP_STRING([--with-oauth],
+ [Enable OAuth2 support in SMTP and POP auth]))
dnl Set the backup prefix
AC_ARG_WITH([hash-backup],
[MTS="smtp"])
AC_SUBST([MTS])dnl
-dnl What should be the default mail server(s)?
-AC_ARG_WITH([smtpservers],
- [AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
- [specify the default SMTP server(s) @<:@localhost@:>@])])
-AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
- [smtpservers="localhost"])
-AC_SUBST([smtpservers])dnl
+dnl What should be the default mail server?
+AC_ARG_WITH([smtpserver],
+ [AS_HELP_STRING([--with-smtpserver='SMTPSERVER'],
+ [specify the default SMTP server @<:@localhost@:>@])])
+AS_IF([test -n "$with_smtpserver"], [smtpserver="$with_smtpserver"],
+ [smtpserver="localhost"])
+AC_SUBST([smtpserver])dnl
dnl -------------------------------------------------------------------
dnl Default location is /usr/local/nmh/{bin,etc,libexec,man}, unless we
dnl ------------------
AC_HEADER_TIOCGWINSZ
-AC_CHECK_HEADERS([fcntl.h wchar.h wctype.h sys/param.h sys/time.h sys/stream.h])
+AC_CHECK_HEADERS([fcntl.h stdbool.h wchar.h wctype.h \
+ sys/param.h sys/time.h sys/stream.h])
AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
[Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
dnl ---------------
AC_CHECK_FUNCS([wcwidth mbtowc getutxent arc4random mkstemps])
+dnl Use custom getline for platforms that don't have it.
+AC_CONFIG_LIBOBJ_DIR([sbr])
+AC_REPLACE_FUNCS([getline])
+
dnl -----------------------
dnl CHECK MULTIBYTE SUPPORT
dnl -----------------------
dnl better to use an autoconf test, except -v will probably succeed
dnl with many other compilers but have different meaning.
AS_CASE([`${CC} -V 2>&1`],
- [cc:\ Sun\ C*], [CFLAGS=\
+ [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"
+ 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="$CFLAGS -Wextra -Werror"
+ CFLAGS="$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.
- AS_CASE([$CFLAGS],
- [-O*|*' -O'*],[AM_CPPFLAGS="${AM_CPPFLAGS:+$AM_CPPFLAGS }-D_FORTIFY_SOURCE=2"])
-fi
-
dnl FreeBSD needs a bit of magic to bring getline() into scope.
dnl We do this here rather than in (say) h/mh.h because this macro must
dnl be defined before <stdio.h> is pulled in.
[AS_IF([test "$GCC" = yes && `${CC} --version 2>&1 | \
grep clang >/dev/null`],
[nmh_saved_ldflags="$LDFLAGS"
- LDFLAGS="$LDFLAGS -Qunused-arguments"
+ LDFLAGS="$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 "$nmh_cv_has_q_unused_arguments" = "yes" && \
- LDFLAGS="${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
+ AM_LDFLAGS="${AM_LDFLAGS:+$AM_LDFLAGS }-Qunused-arguments"
+AC_SUBST([AM_LDFLAGS])
AC_HEADER_ASSERT
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 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], [AM_LFLAGS=\
-'; sed "s/ int n;/ size_t n;/" $@ >$@.tmp && mv -f $@.tmp $@'],
+'; 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 $@'])
+'; 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 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
AC_CONFIG_COMMANDS([build-directories],
-[test -d man || AS_MKDIR_P([man])])
+[AS_MKDIR_P([etc]); AS_MKDIR_P([man])])
AC_CONFIG_COMMANDS_POST([
nmh version : AC_PACKAGE_VERSION
host os : ${host}
compiler : ${CC}
-compiler flags : ${CFLAGS}
-linker flags : ${LDFLAGS}
+compiler flags : ${AM_CFLAGS} ${CFLAGS}
+linker flags : ${AM_LDFLAGS} ${LDFLAGS}
preprocessor flags : ${AM_CPPFLAGS} ${CPPFLAGS}
source code location : ${srcdir}
binary install path : ${nmhbin}
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}
projects / nmh / blobdiff