# least one type of lookup. You should consider whether you want to build
# the Exim monitor or not.
+# If you need to override how pkg-config finds configuration files for
+# installed software, then you can set that here; wildcards will be expanded.
+
+# PKG_CONFIG_PATH=/usr/local/opt/openssl/lib/pkgconfig : /opt/*/lib/pkgconfig
+
#------------------------------------------------------------------------------
# These settings determine which individual router drivers are included in the
# Uncomment the following line to add DMARC checking capability, implemented
# using libopendmarc libraries. You must have SPF support enabled also.
# EXPERIMENTAL_DMARC=yes
+# DMARC_TLD_FILE= /etc/exim/opendmarc.tlds
# CFLAGS += -I/usr/local/include
# LDFLAGS += -lopendmarc
# 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
+
###############################################################################
# THESE ARE THINGS YOU MIGHT WANT TO SPECIFY #
###############################################################################
# That shim can set macros before .include'ing your main configuration file.
#
# As a strictly transient measure to ease migration to 4.73, the
-# WHITELIST_D_MACROS value definies a colon-separated list of macro-names
+# WHITELIST_D_MACROS value defines a colon-separated list of macro-names
# which are permitted to be overridden from the command-line which will be
# honoured by the Exim user. So these are macros that can persist to delivery
# time.
# AUTH_GSASL_PC=libgsasl
# AUTH_HEIMDAL_GSSAPI=yes
# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi
+# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi heimdal-krb5
# AUTH_PLAINTEXT=yes
# AUTH_SPA=yes
# AUTH_TLS=yes
+# Heimdal through 1.5 required pkg-config 'heimdal-gssapi'; Heimdal 7.1
+# requires multiple pkg-config files to work with Exim, so the second example
+# above is needed.
#------------------------------------------------------------------------------
# If you specified AUTH_CYRUS_SASL above, you should ensure that you have the
#
# but of course there may need to be other things in CFLAGS and EXTRALIBS_EXIM
# as well.
+#
+# nb: FreeBSD as of 4.89 defines LIBICONV_PLUG to pick up the system iconv
+# more reliably. If you explicitly want the libiconv Port then as well
+# as adding -liconv you'll want to unset LIBICONV_PLUG. If you actually need
+# this, let us know, but for now the Exim Maintainers are assuming that this
+# is uncommon and so you'll need to edit OS/os.h-FreeBSD yourself to remove
+# the define.
#------------------------------------------------------------------------------
# USE_GNUTLS_PC=gnutls
# TLS_LIBS=-lgnutls -ltasn1 -lgcrypt
+# If using GnuTLS older than 2.10 and using pkg-config then note that Exim's
+# build process will require libgcrypt-config to exist in your $PATH. A
+# version that old is likely to become unsupported by Exim in 2017.
+
# The security fix we provide with the gnutls_allow_auto_pkcs11 option
# (4.82 PP/09) introduces a compatibility regression. The symbol is
# not available if GnuTLS is build without p11-kit (--without-p11-kit
#
# Uncomment the following to include Internationalisation features. This is the
# SMTPUTF8 ESMTP extension, and associated facilities for handling UTF8 domain
-# and localparts, per RFCs 5890, 6530 and 6533.
+# and localparts, per RFC 3490 (IDNA2003).
# 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.
# SUPPORT_I18N=yes
# LDFLAGS += -lidn
+# SUPPORT_I18N_2008=yes
+# LDFLAGS += -lidn -lidn2
#------------------------------------------------------------------------------
# Note that this option adds to the size of the Exim binary, because the
# dynamic loading library is not otherwise included.
+# If libreadline is not in the normal library paths, then because Exim is
+# setuid you'll need to ensure that the correct directory is stamped into
+# the binary so that dlopen will find it.
+# Eg, on macOS/Darwin with a third-party install of libreadline, perhaps:
+
+# EXTRALIBS_EXIM+=-Wl,-rpath,/usr/local/opt/readline/lib
+
#------------------------------------------------------------------------------
# Uncomment this setting to include IPv6 support.