build: use pkg-config for i18n

[exim.git] / src / src / EDITME

diff --git a/src/src/EDITME b/src/src/EDITME
index cf671afd1bc982897cdfb3f42344142635c04083..6295d72d620d48de425fdf138b0c32ee19a76842 100644 (file)
--- a/src/src/EDITME
+++ b/src/src/EDITME
@@ -1,6 +1,8 @@
 ##################################################
 #          The Exim mail transport agent         #
 ##################################################
 ##################################################
 #          The Exim mail transport agent         #
 ##################################################

+# Copyright (c) The Exim Maintainers 2022 - 2024
+# SPDX-License-Identifier: GPL-2.0-or-later

 
 # This is the template for Exim's main build-time configuration file. It
 # contains settings that are independent of any operating system. These are
 
 # This is the template for Exim's main build-time configuration file. It
 # contains settings that are independent of any operating system. These are


@@ -13,12 +15,11 @@
 
 # Things that depend on the operating system have default settings in
 # OS/Makefile-Default, but these are overridden for some OS by files
 
 # Things that depend on the operating system have default settings in
 # OS/Makefile-Default, but these are overridden for some OS by files

-# called called OS/Makefile-<osname>. You can further override these by
-# creating files called Local/Makefile-<osname>, and
-# Local/Makefile-<buildname> (where "<osname>" stands for the name of
-# your operating system - look at the names in the OS directory to see
-# which names are recognized, and "<buildname>" is derived from the
-# environment variable "build")
+# called OS/Makefile-<osname>. You can further override these settings by
+# creating files Local/Makefile-<osname>, and Local/Makefile-<build>.
+# The suffix "<osname>" stands for the name of your operating system - look
+# at the names in the OS directory to see which names are recognized,
+# and "<build>" is the content of the environment variable "build".

 
 # However, if you are building Exim for a single OS only, you don't need to
 # worry about setting up Local/Makefile-<osname>. Any build-time configuration
 
 # However, if you are building Exim for a single OS only, you don't need to
 # worry about setting up Local/Makefile-<osname>. Any build-time configuration


@@ -46,11 +47,13 @@
 # compile the Exim monitor utility. Exim itself does not use X11.
 
 # Another area of variability between systems is the type and location of the
 # compile the Exim monitor utility. Exim itself does not use X11.
 
 # Another area of variability between systems is the type and location of the

-# DBM library package. Exim has support for ndbm, gdbm, tdb, and Berkeley DB.
+# DBM library package. Exim has support for ndbm, gdbm, tdb, Berkeley DB and
+# sqlite3.

 # By default the code assumes ndbm; this often works with gdbm or DB, provided
 # they are correctly installed, via their compatibility interfaces. However,
 # Exim can also be configured to use the native calls for Berkeley DB (obsolete
 # versions 1.85, 2.x, 3.x, or the current 4.x version) and also for gdbm.
 # By default the code assumes ndbm; this often works with gdbm or DB, provided
 # they are correctly installed, via their compatibility interfaces. However,
 # Exim can also be configured to use the native calls for Berkeley DB (obsolete
 # versions 1.85, 2.x, 3.x, or the current 4.x version) and also for gdbm.

+# See definitions for DBMLIB below.

 
 # For some operating systems, a default DBM library (other than ndbm) is
 # selected by a setting in the OS-specific Makefile. Most modern OS now have
 
 # For some operating systems, a default DBM library (other than ndbm) is
 # selected by a setting in the OS-specific Makefile. Most modern OS now have


@@ -58,8 +61,8 @@
 # for you by the OS-specific configuration. If Exim compiles without any
 # problems, you probably do not have to worry about the DBM library. If you
 # do want or need to change it, you should first read the discussion in the
 # for you by the OS-specific configuration. If Exim compiles without any
 # problems, you probably do not have to worry about the DBM library. If you
 # do want or need to change it, you should first read the discussion in the

-# file doc/dbm.discuss.txt, which also contains instructions for testing Exim's
-# interface to the DBM library.
+# file doc/doc-txt/dbm.discuss.txt, which also contains instructions for testing
+# Exim's interface to the DBM library.

 
 # In Local/Makefiles blank lines and lines starting with # are ignored. It is
 # also permitted to use the # character to add a comment to a setting, for
 
 # In Local/Makefiles blank lines and lines starting with # are ignored. It is
 # also permitted to use the # character to add a comment to a setting, for


@@ -199,7 +202,7 @@ SPOOL_DIRECTORY=/var/spool/exim
 # the libraries and headers are installed, as the pkg-config .pc
 # specification should include all -L/-I information necessary.
 # Enabling the USE_*_PC options should be sufficient. If not using
 # the libraries and headers are installed, as the pkg-config .pc
 # specification should include all -L/-I information necessary.
 # Enabling the USE_*_PC options should be sufficient. If not using

-# pkg-config, then you have to specify the libraries, and you mmight
+# pkg-config, then you have to specify the libraries, and you might

 # need to specify the locations too.
 
 # Uncomment the following lines if you want
 # need to specify the locations too.
 
 # Uncomment the following lines if you want


@@ -208,7 +211,7 @@ SPOOL_DIRECTORY=/var/spool/exim
 # Unless you do this, you must define one of USE_OPENSSL or USE_GNUTLS
 # below.
 
 # Unless you do this, you must define one of USE_OPENSSL or USE_GNUTLS
 # below.
 

-# If you are buliding with TLS, the library configuration must be done:
+# If you are building with TLS, the library configuration must be done:

 
 # Uncomment this if you are using OpenSSL
 # USE_OPENSSL=yes
 
 # Uncomment this if you are using OpenSSL
 # USE_OPENSSL=yes


@@ -277,6 +280,9 @@ SPOOL_DIRECTORY=/var/spool/exim
 # specified in INCLUDE.
 
 
 # specified in INCLUDE.
 
 

+# Uncomment the following line to remove support for TLS Resumption
+# DISABLE_TLS_RESUME=yes
+

 
 ###############################################################################
 #           THESE ARE THINGS YOU PROBABLY WANT TO SPECIFY                     #
 
 ###############################################################################
 #           THESE ARE THINGS YOU PROBABLY WANT TO SPECIFY                     #


@@ -307,6 +313,14 @@ SPOOL_DIRECTORY=/var/spool/exim
 # It has also to be configured in the run time configuration file. By
 # commenting out those you know you don't want to use, you can make the binary
 # a bit smaller. If you are unsure, leave all of these included for now.
 # It has also to be configured in the run time configuration file. By
 # commenting out those you know you don't want to use, you can make the binary
 # a bit smaller. If you are unsure, leave all of these included for now.

+#
+# If set to "2" instead of "yes" then the corresponding driver will be
+# built as a module and must be installed into LOOKUP_MODULE_DIR (the name
+# is historic).
+# You need to add -export-dynamic -rdynamic to EXTRALIBS. You may also need to
+# add -ldl to EXTRALIBS so that dlopen() is available to Exim. You need to
+# define CFLAGS_DYNAIC and LOOKUP_MODULE_DIR below so the builds are done right,
+# and so the exim binary actually loads dynamic lookup modules.

 
 ROUTER_ACCEPT=yes
 ROUTER_DNSLOOKUP=yes
 
 ROUTER_ACCEPT=yes
 ROUTER_DNSLOOKUP=yes


@@ -329,6 +343,15 @@ ROUTER_REDIRECT=yes
 # file. By commenting out those you know you don't want to use, you can make
 # the binary a bit smaller. If you are unsure, leave all of these included for
 # now.
 # file. By commenting out those you know you don't want to use, you can make
 # the binary a bit smaller. If you are unsure, leave all of these included for
 # now.

+#
+# If set to "2" instead of "yes" then the corresponding driver will be
+# built as a module and must be installed into LOOKUP_MODULE_DIR (the name
+# is historic).
+# You need to add -export-dynamic -rdynamic to EXTRALIBS. You may also need to
+# add -ldl to EXTRALIBS so that dlopen() is available to Exim. You need to
+# define CFLAGS_DYNAIC and LOOKUP_MODULE_DIR below so the builds are done right,
+# and so the exim binary actually loads dynamic lookup modules.
+# The smtp transport cannot be built as a module.

 
 TRANSPORT_APPENDFILE=yes
 TRANSPORT_AUTOREPLY=yes
 
 TRANSPORT_APPENDFILE=yes
 TRANSPORT_AUTOREPLY=yes


@@ -392,16 +415,19 @@ TRANSPORT_SMTP=yes
 # (where * is the name as given here in this list). That ensures that only
 # the dynamic library and not the exim binary will be linked against the
 # library.
 # (where * is the name as given here in this list). That ensures that only
 # the dynamic library and not the exim binary will be linked against the
 # library.

-# NOTE: LDAP cannot be built as a module!
+#
+# PASSWD, DBM and DNSDB can be build as modules but there is little point since
+# the accesses are always needed by the Exim core.

 #
 # For Redis you need to have hiredis installed on your system
 # (https://github.com/redis/hiredis).
 # Depending on where it is installed you may have to edit the CFLAGS
 #
 # For Redis you need to have hiredis installed on your system
 # (https://github.com/redis/hiredis).
 # Depending on where it is installed you may have to edit the CFLAGS

-# (often += -I/usr/local/include) and LDFLAGS (-lhiredis) lines.
+# (often += -I/usr/local/include) and LOOKUP_LIBS (-lhiredis) lines.

 
 # If your system has pkg-config then the _INCLUDE/_LIBS setting can be
 # handled for you automatically by also defining the _PC variable to reference
 
 # If your system has pkg-config then the _INCLUDE/_LIBS setting can be
 # handled for you automatically by also defining the _PC variable to reference

-# the name of the pkg-config package, if such is available.
+# the name of the pkg-config package, if such is available. This should not
+# be done for module builds.

 
 LOOKUP_DBM=yes
 LOOKUP_LSEARCH=yes
 
 LOOKUP_DBM=yes
 LOOKUP_LSEARCH=yes


@@ -412,6 +438,8 @@ LOOKUP_DNSDB=yes
 # LOOKUP_IBASE=yes
 # LOOKUP_JSON=yes
 # LOOKUP_LDAP=yes
 # LOOKUP_IBASE=yes
 # LOOKUP_JSON=yes
 # LOOKUP_LDAP=yes

+# LOOKUP_LMDB=yes
+

 # LOOKUP_MYSQL=yes
 # LOOKUP_MYSQL_PC=mariadb
 # LOOKUP_NIS=yes
 # LOOKUP_MYSQL=yes
 # LOOKUP_MYSQL_PC=mariadb
 # LOOKUP_NIS=yes


@@ -432,11 +460,9 @@ LOOKUP_DNSDB=yes
 # LOOKUP_NWILDLSEARCH=yes
 
 
 # LOOKUP_NWILDLSEARCH=yes
 
 

-# Some platforms may need this for LOOKUP_NIS:
-# LIBS += -lnsl

 
 #------------------------------------------------------------------------------
 
 #------------------------------------------------------------------------------

-# If you have set LOOKUP_LDAP=yes, you should set LDAP_LIB_TYPE to indicate
+# If you have set LOOKUP_LDAP, you should set LDAP_LIB_TYPE to indicate

 # which LDAP library you have. Unfortunately, though most of their functions
 # are the same, there are minor differences. Currently Exim knows about four
 # LDAP libraries: the one from the University of Michigan (also known as
 # which LDAP library you have. Unfortunately, though most of their functions
 # are the same, there are minor differences. Currently Exim knows about four
 # LDAP libraries: the one from the University of Michigan (also known as


@@ -451,29 +477,30 @@ LOOKUP_DNSDB=yes
 # If you don't set any of these, Exim assumes the original University of
 # Michigan (OpenLDAP 1) library.
 
 # If you don't set any of these, Exim assumes the original University of
 # Michigan (OpenLDAP 1) library.
 

+# For building as a modules, set LOOKUP_LDAP_INCLUDE and LOOKUP_LDAP_LIBS

 
 #------------------------------------------------------------------------------
 
 #------------------------------------------------------------------------------

-# The PCRE library is required for Exim.  There is no longer an embedded
+# The PCRE2 library is required for Exim.  There is no longer an embedded

 # version of the PCRE library included with the source code, instead you
 # version of the PCRE library included with the source code, instead you

-# must use a system library or build your own copy of PCRE.
+# must use a system library or build your own copy of PCRE2.

 # In either case you must specify the library link info here.  If the
 # In either case you must specify the library link info here.  If the

-# PCRE header files are not in the standard search path you must also
+# PCRE2 header files are not in the standard search path you must also

 # modify the INCLUDE path (above)
 #
 # Use PCRE_CONFIG to query the pcre-config command (first found in $PATH)
 # to find the include files and libraries, else use PCRE_LIBS and set INCLUDE
 # too if needed.
 
 # modify the INCLUDE path (above)
 #
 # Use PCRE_CONFIG to query the pcre-config command (first found in $PATH)
 # to find the include files and libraries, else use PCRE_LIBS and set INCLUDE
 # too if needed.
 

-PCRE_CONFIG=yes
-# PCRE_LIBS=-lpcre
+PCRE2_CONFIG=yes
+# PCRE_LIBS=-lpcre2

 
 
 #------------------------------------------------------------------------------
 
 
 #------------------------------------------------------------------------------

-# Comment out the following line to remove DANE support
-# Note: Enabling this unconditionally overrides DISABLE_DNSSEC
-# forces you to have SUPPORT_TLS enabled (the default).  For DANE under
-# GnuTLS we need an additional library.  See TLS_LIBS or USE_GNUTLS_PC
-# below.
+# Comment out the following line to remove DANE support.
+# Note: DANE support requires DNSSEC support (the default) and
+# SUPPORT_TLS (the default).  For DANE under GnuTLS we need an additional
+# library.  See TLS_LIBS or USE_GNUTLS_PC below.
+

 SUPPORT_DANE=yes
 
 #------------------------------------------------------------------------------
 SUPPORT_DANE=yes
 
 #------------------------------------------------------------------------------


@@ -486,9 +513,31 @@ SUPPORT_DANE=yes
 # is for Redis, -ljansson for JSON.
 #
 # You do not need to use this for any lookup information added via pkg-config.
 # is for Redis, -ljansson for JSON.
 #
 # You do not need to use this for any lookup information added via pkg-config.

+#
+# Libraries being built as modules should be added to respective
+# LOOKUP_*_INCLUDE and LOOKUP_*_LIBS rather than the the ones for the
+# core exim build.  This gets them linked with the module instead
+#
+# LSEARCH, DSEARCH & CDB have no external library needs.
+# DNSDB needs the resolver library which the core uses anyway.

 
 # LOOKUP_INCLUDE=-I /usr/local/ldap/include -I /usr/local/mysql/include -I /usr/local/pgsql/include
 
 # LOOKUP_INCLUDE=-I /usr/local/ldap/include -I /usr/local/mysql/include -I /usr/local/pgsql/include

-# LOOKUP_LIBS=-L/usr/local/lib -lldap -llber -lmysqlclient -lpq -lgds -lsqlite3
+# LOOKUP_INCLUDE +=-I /usr/local/include
+# LOOKUP_LIBS=-L/usr/local/lib -lldap -llber -lmysqlclient -lpq -lgds -lsqlite3 -llmdb
+
+# LOOKUP_LIBS=-L/usr/local/lib -lldap -llber
+# Some platforms may need this for LOOKUP_NIS:
+#LOOKUP_LIBS += -lnsl
+#LOOKUP_LIBS += -ljansson
+#LOOKUP_LIBS += -lhiredis
+
+#------------------------------------------------------------------------------
+# If you included LOOKUP_LMDB above you will need the library. Depending
+# on where installed you may also need an include directory
+#
+# LOOKUP_INCLUDE += -I/usr/local/include
+# LOOKUP_LIBS += -llmdb
+# For dynamic-modules builds, use instead LOOKUP_LMDB_INCLUDE & LOOKUP_LMDB_LIBS

 
 
 #------------------------------------------------------------------------------
 
 
 #------------------------------------------------------------------------------


@@ -502,6 +551,28 @@ SUPPORT_DANE=yes
 # EXIM_MONITOR=eximon.bin
 
 
 # EXIM_MONITOR=eximon.bin
 
 

+#------------------------------------------------------------------------------
+# Compiling with support for Exim filters is the default. To disable this
+# uncomment the line below.
+
+# DISABLE_EXIM_FILTER=yes
+
+# Alternatively, to build the support as a dynamically-loaded module uncomment
+# this line.
+
+# SUPPORT_EXIM_FILTER=2
+
+#------------------------------------------------------------------------------
+# Compiling with support for Sieve filters is the default. To disable this
+# uncomment the line below.
+
+# DISABLE_SIEVE_FILTER=yes
+
+# Alternatively, to build the support as a dynamically-loaded module uncomment
+# this line.
+
+# SUPPORT_SIEVE_FILTER=2
+

 #------------------------------------------------------------------------------
 # Compiling Exim with content scanning support: If you want to compile Exim
 # with support for message body content scanning, set WITH_CONTENT_SCAN to
 #------------------------------------------------------------------------------
 # Compiling Exim with content scanning support: If you want to compile Exim
 # with support for message body content scanning, set WITH_CONTENT_SCAN to


@@ -537,6 +608,10 @@ DISABLE_MAL_MKS=yes
 # turned on by default.  See the spec for information on conditionally
 # disabling it.  To disable the inclusion of the entire feature, set
 # DISABLE_DKIM to "yes"
 # turned on by default.  See the spec for information on conditionally
 # disabling it.  To disable the inclusion of the entire feature, set
 # DISABLE_DKIM to "yes"

+#
+# It is possible to build the support as a dynamic-load module. In addition
+# to not defining DISABLE_DKIM, define SUPPORT_DKIM=2.  The usual rules on
+# defines for includes and libs apply.

 
 # DISABLE_DKIM=yes
 
 
 # DISABLE_DKIM=yes
 


@@ -556,7 +631,7 @@ DISABLE_MAL_MKS=yes
 # By default, Exim has support for checking the AD bit in a DNS response, to
 # determine if DNSSEC validation was successful.  If your system libraries
 # do not support that bit, then set DISABLE_DNSSEC to "yes"
 # By default, Exim has support for checking the AD bit in a DNS response, to
 # determine if DNSSEC validation was successful.  If your system libraries
 # do not support that bit, then set DISABLE_DNSSEC to "yes"

-# Note: Enabling SUPPORT_DANE unconditionally overrides this setting.
+# Note: DNSSEC is required for DANE support.

 
 # DISABLE_DNSSEC=yes
 
 
 # DISABLE_DNSSEC=yes
 


@@ -564,18 +639,21 @@ DISABLE_MAL_MKS=yes
 # DISABLE_EVENT=yes
 
 
 # DISABLE_EVENT=yes
 
 

-# Uncomment this line to include support for early pipelining, per
+# Uncomment this line to remove support for early pipelining, per

 # https://datatracker.ietf.org/doc/draft-harris-early-pipe/
 # https://datatracker.ietf.org/doc/draft-harris-early-pipe/

-# SUPPORT_PIPE_CONNECT=yes
+# DISABLE_PIPE_CONNECT=yes

 
 
 # Uncomment the following to remove the fast-ramp two-phase-queue-run support
 # DISABLE_QUEUE_RAMP=yes
 
 # Uncomment the following lines to add SRS (Sender Rewriting Scheme) support
 
 
 # Uncomment the following to remove the fast-ramp two-phase-queue-run support
 # DISABLE_QUEUE_RAMP=yes
 
 # Uncomment the following lines to add SRS (Sender Rewriting Scheme) support

-# using only native facilities.  See EXPERIMENTAL_SRS_ALT for an alternative.
+# using only native facilities.

 # SUPPORT_SRS=yes
 
 # SUPPORT_SRS=yes
 

+# Uncomment the following to remove support for the ESMTP extension "WELLKNOWN"
+# DISABLE_WELLKNOWN=yes
+

 
 #------------------------------------------------------------------------------
 # Compiling Exim with experimental features. These are documented in
 
 #------------------------------------------------------------------------------
 # Compiling Exim with experimental features. These are documented in


@@ -584,28 +662,30 @@ DISABLE_MAL_MKS=yes
 
 # Uncomment the following line to add support for talking to dccifd.  This
 # defaults the socket path to /usr/local/dcc/var/dccifd.
 
 # Uncomment the following line to add support for talking to dccifd.  This
 # defaults the socket path to /usr/local/dcc/var/dccifd.

-# Doing so will also explicitly turn on the WITH_CONTENT_SCAN option.
+# This support also requires WITH_CONTENT_SCAN enabled.

 
 # EXPERIMENTAL_DCC=yes
 
 
 # EXPERIMENTAL_DCC=yes
 

-# Uncomment the following lines to add SRS (Sender rewriting scheme) support
-# using the implementation in linbsrs_alt.
-# You need to have libsrs_alt installed on your system (srs.mirtol.com).
-# Depending on where it is installed you may have to edit the CFLAGS and
-# LDFLAGS lines.
-
-# EXPERIMENTAL_SRS_ALT=yes
-# CFLAGS  += -I/usr/local/include
-# LDFLAGS += -lsrs_alt
-

 # Uncomment the following line to add DMARC checking capability, implemented
 # using libopendmarc libraries. You must have SPF and DKIM support enabled also.
 # Uncomment the following line to add DMARC checking capability, implemented
 # using libopendmarc libraries. You must have SPF and DKIM support enabled also.

+#
+# If set to "2" instead of "yes" then the support will be
+# built as a module and must be installed into LOOKUP_MODULE_DIR (the name
+# is historic).  The same rules as for other module builds apply; use
+# SUPPORT_DMARC_{INCLUDE,LIBS}.
+#

 # SUPPORT_DMARC=yes
 # CFLAGS += -I/usr/local/include
 # LDFLAGS += -lopendmarc
 # SUPPORT_DMARC=yes
 # CFLAGS += -I/usr/local/include
 # LDFLAGS += -lopendmarc

+#

 # Uncomment the following if you need to change the default. You can
 # override it at runtime (main config option dmarc_tld_file)
 # DMARC_TLD_FILE=/etc/exim/opendmarc.tlds
 # Uncomment the following if you need to change the default. You can
 # override it at runtime (main config option dmarc_tld_file)
 # DMARC_TLD_FILE=/etc/exim/opendmarc.tlds

+#
+# Library version libopendmarc-1.4.1-1.fc33.x86_64  (on Fedora 33) is known broken;
+# 1.3.2-3 works.  It seems that the OpenDMARC project broke their API.
+# Use this option if you need to build with an old library (1.3.x)
+# DMARC_API=100300

 
 # Uncomment the following line to add ARC (Authenticated Received Chain)
 # support.  You must have SPF and DKIM support enabled also.
 
 # Uncomment the following line to add ARC (Authenticated Received Chain)
 # support.  You must have SPF and DKIM support enabled also.


@@ -623,18 +703,11 @@ DISABLE_MAL_MKS=yes
 # Uncomment the following to include extra information in fail DSN message (bounces)
 # EXPERIMENTAL_DSN_INFO=yes
 
 # Uncomment the following to include extra information in fail DSN message (bounces)
 # EXPERIMENTAL_DSN_INFO=yes
 

-# Uncomment the following to add LMDB lookup support
-# You need to have LMDB installed on your system (https://github.com/LMDB/lmdb)
-# Depending on where it is installed you may have to edit the CFLAGS and LDFLAGS lines.
-# EXPERIMENTAL_LMDB=yes
-# CFLAGS += -I/usr/local/include
-# LDFLAGS += -llmdb
-

 # Uncomment the following line to add queuefile transport support
 # EXPERIMENTAL_QUEUEFILE=yes
 # Uncomment the following line to add queuefile transport support
 # EXPERIMENTAL_QUEUEFILE=yes

-
-# Uncomment the following line to include support for TLS Resumption
-# EXPERIMENTAL_TLS_RESUME=yes
+#
+# Uncomment the following line to add XCLIENT support
+# EXPERIMENTAL_XCLIENT=yes

 
 ###############################################################################
 #                 THESE ARE THINGS YOU MIGHT WANT TO SPECIFY                  #
 
 ###############################################################################
 #                 THESE ARE THINGS YOU MIGHT WANT TO SPECIFY                  #


@@ -648,6 +721,33 @@ DISABLE_MAL_MKS=yes
 # understand these issues, go with the defaults, which are used by many sites.
 
 
 # understand these issues, go with the defaults, which are used by many sites.
 
 

+#------------------------------------------------------------------------------
+# Which DBM library to use.  If you do not specify a specific here, you get
+# the platform default.  Uncomment the pair of lines as preferred.
+# Note: when changing an installation from one DB type to another all the
+# hints-DB files, in spool/db, should be removed.
+
+# gdbm in native mode
+# USE_GDBM = yes
+# DBMLIB = -lgdbm
+
+# gdbm in Berkeley-DB compatibility mode
+# USE_NDBM = yes
+# DBMLIB = -lgdbm -lgdbm_compat
+
+# tdb
+# USE_TDB = yes
+# DBMLIB = -ltdb
+
+# Berkeley DB
+# USE_DB = yes
+# DBMLIB = -ldb
+
+# sqlite
+# USE_SQLITE = yes
+# DBMLIB = -lsqlite3
+
+

 #------------------------------------------------------------------------------
 # Although Exim is normally a setuid program, owned by root, it refuses to run
 # local deliveries as root by default. There is a runtime option called
 #------------------------------------------------------------------------------
 # Although Exim is normally a setuid program, owned by root, it refuses to run
 # local deliveries as root by default. There is a runtime option called


@@ -759,6 +859,19 @@ FIXED_NEVER_USERS=root
 # you must uncomment at least one of the following, so that appropriate code is
 # included in the Exim binary. You will then need to set up the run time
 # configuration to make use of the mechanism(s) selected.
 # you must uncomment at least one of the following, so that appropriate code is
 # included in the Exim binary. You will then need to set up the run time
 # configuration to make use of the mechanism(s) selected.

+#
+# If set to "2" instead of "yes" then the corresponding driver will be
+# built as a module and must be installed into LOOKUP_MODULE_DIR (the name
+# is historic).
+# You need to add -export-dynamic -rdynamic to EXTRALIBS. You may also need to
+# add -ldl to EXTRALIBS so that dlopen() is available to Exim. You need to
+# define CFLAGS_DYNAMIC and LOOKUP_MODULE_DIR below so the builds are done
+# right and so the exim binary actually loads dynamic lookup modules.
+#
+# Libraries being built as modules should be added to respective
+# LOOKUP_*_INCLUDE and LOOKUP_*_LIBS rather than the the ones for the
+# core exim build.  This gets them linked with the module instead.
+# The heimdal does build but we have no test coverage so it is not know to work.

 
 # AUTH_CRAM_MD5=yes
 # AUTH_CYRUS_SASL=yes
 
 # AUTH_CRAM_MD5=yes
 # AUTH_CYRUS_SASL=yes


@@ -978,9 +1091,15 @@ ZCAT_COMMAND=/usr/bin/zcat
 # use Perl code in Exim's string manipulation language and you have Perl
 # (version 5.004 or later) installed, set EXIM_PERL to perl.o. Using embedded
 # Perl costs quite a lot of resources. Only do this if you really need it.
 # use Perl code in Exim's string manipulation language and you have Perl
 # (version 5.004 or later) installed, set EXIM_PERL to perl.o. Using embedded
 # Perl costs quite a lot of resources. Only do this if you really need it.

+#

 
 # EXIM_PERL=perl.o
 
 
 # EXIM_PERL=perl.o
 

+# For a dynamic module build add also SUPPORT_PERL=2 and SUPPORT_PAM_(INCLUED,LIBS)
+#SUPPORT_PERL=2
+#SUPPORT_PERL_INCLUDE=$(PERL_CFLAGS)
+#SUPPORT_PERL_LIBS=$(PERL_LFLAGS) -lperl
+

 
 #------------------------------------------------------------------------------
 # Support for dynamically-loaded string expansion functions via ${dlfunc. If
 
 #------------------------------------------------------------------------------
 # Support for dynamically-loaded string expansion functions via ${dlfunc. If


@@ -998,6 +1117,8 @@ ZCAT_COMMAND=/usr/bin/zcat
 # distributions (see http://ftp.kernel.org/pub/linux/libs/pam/). The Exim
 # support, which is intended for use in conjunction with the SMTP AUTH
 # facilities, is included only when requested by the following setting:
 # distributions (see http://ftp.kernel.org/pub/linux/libs/pam/). The Exim
 # support, which is intended for use in conjunction with the SMTP AUTH
 # facilities, is included only when requested by the following setting:

+#
+# For a dynamic module build add SUPPORT_PAM=2 and SUPPORT_PAM_LIBS=-lpam

 
 # SUPPORT_PAM=yes
 
 
 # SUPPORT_PAM=yes
 


@@ -1028,17 +1149,26 @@ ZCAT_COMMAND=/usr/bin/zcat
 # You need to have the IDN library installed.
 # If you want IDNA2008 mappings per RFCs 5890, 6530 and 6533, you additionally
 # need libidn2 and SUPPORT_I18N_2008.
 # You need to have the IDN library installed.
 # If you want IDNA2008 mappings per RFCs 5890, 6530 and 6533, you additionally
 # need libidn2 and SUPPORT_I18N_2008.

+# If you're using pkg-config, enable the _PC lines, otherwise the LDFLAGS ones.

 
 # SUPPORT_I18N=yes
 
 # SUPPORT_I18N=yes

+# SUPPORT_I18N_PC=libidn

 # LDFLAGS += -lidn
 # LDFLAGS += -lidn

+#

 # SUPPORT_I18N_2008=yes
 # SUPPORT_I18N_2008=yes

-# LDFLAGS += -lidn -lidn2
+# SUPPORT_I18N_2008_PC=libidn2
+# LDFLAGS += -lidn2

 
 
 #------------------------------------------------------------------------------
 # Uncomment the following lines to add SPF support. You need to have libspf2
 # installed on your system (www.libspf2.org). Depending on where it is installed
 # you may have to edit the CFLAGS and LDFLAGS lines.
 
 
 #------------------------------------------------------------------------------
 # Uncomment the following lines to add SPF support. You need to have libspf2
 # installed on your system (www.libspf2.org). Depending on where it is installed
 # you may have to edit the CFLAGS and LDFLAGS lines.

+#
+# If set to "2" instead of "yes" then the support will be
+# built as a module and must be installed into LOOKUP_MODULE_DIR (the name
+# is historic).  The same rules as for other module builds apply; use
+# SUPPORT_SPF_{INCLUDE,LIBS}.

 
 # SUPPORT_SPF=yes
 # CFLAGS  += -I/usr/local/include
 
 # SUPPORT_SPF=yes
 # CFLAGS  += -I/usr/local/include


@@ -1050,6 +1180,9 @@ ZCAT_COMMAND=/usr/bin/zcat
 # which is intended for use in conjunction with the SMTP AUTH facilities,
 # is included only when requested by setting the following parameter to the
 # location of your Radius configuration file:
 # which is intended for use in conjunction with the SMTP AUTH facilities,
 # is included only when requested by setting the following parameter to the
 # location of your Radius configuration file:

+#
+# For a dynamic module build add SUPPORT_RADIUS=2 and (if needed)
+# SUPPORT_RADIUS_LIBS=-l<foo>

 
 # RADIUS_CONFIG_FILE=/etc/radiusclient/radiusclient.conf
 # RADIUS_CONFIG_FILE=/etc/radius.conf
 
 # RADIUS_CONFIG_FILE=/etc/radiusclient/radiusclient.conf
 # RADIUS_CONFIG_FILE=/etc/radius.conf


@@ -1495,4 +1628,9 @@ EXIM_TMPDIR="/tmp"
 # For development, add this to include code to time various stages and report.
 # CFLAGS += -DMEASURE_TIMING
 
 # For development, add this to include code to time various stages and report.
 # CFLAGS += -DMEASURE_TIMING
 

-# End of EDITME for Exim 4.
+# For a very slightly smaller build, for constrained systems, uncomment this.
+# The feature involved is purely for debugging.
+
+# DISABLE_CLIENT_CMD_LOG=yes
+
+# End of EDITME for Exim.