commit:     7125e469ee81e0899df0a174d72fe90b774cb356
Author:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
AuthorDate: Fri Jan 26 19:06:36 2024 +0000
Commit:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
CommitDate: Fri Jan 26 19:06:36 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7125e469

mail-mta/exim-4.97.1-r1: bump for upstream candidate patch plugging memuse

PCRE2 changed the amount of memory it allocates considerably, making it
necessary to cleanup more often.

Bug: https://bugs.gentoo.org/922780
Signed-off-by: Fabian Groffen <grobian <AT> gentoo.org>

 mail-mta/exim/exim-4.97.1-r1.ebuild                | 631 +++++++++++++++++++++
 .../files/exim-4.97.1-memory-usage-bug-3047.patch  |  56 ++
 2 files changed, 687 insertions(+)

diff --git a/mail-mta/exim/exim-4.97.1-r1.ebuild 
b/mail-mta/exim/exim-4.97.1-r1.ebuild
new file mode 100644
index 000000000000..8ac924524bb1
--- /dev/null
+++ b/mail-mta/exim/exim-4.97.1-r1.ebuild
@@ -0,0 +1,631 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+inherit db-use flag-o-matic toolchain-funcs pam systemd
+
+IUSE="arc berkdb +dane dcc +dkim dlfunc dmarc +dnsdb doc dovecot-sasl
+dsn gdbm gnutls idn ipv6 ldap lmtp maildir mbx
+mysql nis pam perl pkcs11 postgres +prdr proxy radius redis sasl selinux
+socks5 spf sqlite srs +ssl syslog tdb tcpd +tpda X"
+REQUIRED_USE="
+       arc? ( dkim spf )
+       dane? ( ssl !gnutls )
+       dmarc? ( dkim spf )
+       dkim? ( ssl !gnutls )
+       gnutls? ( ssl )
+       pkcs11? ( ssl )
+       || ( berkdb gdbm tdb )
+"
+# NOTE on USE="gnutls dane", gnutls[dane] is masked in base, unmasked
+# for x86 and amd64 only, due to this, repoman won't allow depending on
+# gnutls[dane] for all else.  Because we cannot express USE=dane when
+# USE=gnutls is in effect only in package.use.mask, the only option we
+# have left is to a) ignore the dependency (but that results in bug
+# #661164) or b) mask the usage of USE=dane with USE=gnutls.  Both are
+# incorrect, but b) is the only "correct" view from repoman.
+# We cannot express a required use for berkdb/gdbm/tdb correctly because
+# berkdb and gdbm are both enabled in base profile
+
+SDIR=$([[ ${PV} == *_rc* ]]   && echo /test
+        [[ ${PV} == *.*.*.* ]] && echo /fixes)
+COMM_URI="https://downloads.exim.org/exim4${SDIR}";
+
+GPV="r0"
+DESCRIPTION="A highly configurable, drop-in replacement for sendmail"
+SRC_URI="${COMM_URI}/${P//_rc/-RC}.tar.xz
+       mirror://gentoo/system_filter.exim.gz
+       doc? ( ${COMM_URI}/${PN}-pdf-${PV//_rc/-RC}.tar.xz )"
+HOMEPAGE="https://www.exim.org/";
+
+SLOT="0"
+LICENSE="GPL-2"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86"
+
+COMMON_DEPEND=">=sys-apps/sed-4.0.5
+       dev-libs/libpcre2:=
+       tdb? ( sys-libs/tdb:= )
+       !tdb? ( berkdb? ( >=sys-libs/db-3.2:= <sys-libs/db-6:= ) )
+       !tdb? ( !berkdb? ( sys-libs/gdbm:= ) )
+       idn? ( net-dns/libidn:= net-dns/libidn2:= )
+       perl? ( dev-lang/perl:= )
+       pam? ( sys-libs/pam )
+       tcpd? ( sys-apps/tcp-wrappers )
+       ssl? (
+               gnutls? (
+                       net-libs/gnutls:0=[pkcs11?]
+                       dev-libs/libtasn1
+               )
+               !gnutls? (
+                       dev-libs/openssl:0=
+               )
+       )
+       ldap? ( >=net-nds/openldap-2.0.7:= )
+       elibc_glibc? (
+               net-libs/libnsl:=
+               nis? (
+                       net-libs/libtirpc:=
+                       >=net-libs/libnsl-1:=
+               )
+       )
+       mysql? ( dev-db/mysql-connector-c:= )
+       postgres? ( dev-db/postgresql:= )
+       sasl? ( >=dev-libs/cyrus-sasl-2.1.26-r2 )
+       redis? ( dev-libs/hiredis:= )
+       spf? ( >=mail-filter/libspf2-1.2.5-r1 )
+       dmarc? ( mail-filter/opendmarc:= )
+       X? (
+               x11-libs/libX11
+               x11-libs/libXmu
+               x11-libs/libXt
+               x11-libs/libXaw
+       )
+       sqlite? ( dev-db/sqlite )
+       radius? ( net-dialup/freeradius-client )
+       virtual/libcrypt:=
+       virtual/libiconv
+       "
+       # added X check for #57206
+BDEPEND="virtual/pkgconfig"
+DEPEND="${COMMON_DEPEND}"
+RDEPEND="${COMMON_DEPEND}
+       !mail-mta/courier
+       !mail-mta/esmtp
+       !mail-mta/msmtp[mta]
+       !mail-mta/netqmail
+       !mail-mta/nullmailer
+       !mail-mta/postfix
+       !mail-mta/sendmail
+       !mail-mta/opensmtpd
+       !mail-mta/ssmtp[mta]
+       >=net-mail/mailbase-0.00-r5
+       virtual/logger
+       dcc? ( mail-filter/dcc )
+       selinux? ( sec-policy/selinux-exim )
+       "
+
+S=${WORKDIR}/${P//_rc/-RC}
+
+src_prepare() {
+       # Legacy patches which need a respin for -p1
+       eapply -p0 "${FILESDIR}"/exim-4.14-tail.patch
+       eapply -p0 "${FILESDIR}"/exim-4.74-radius-db-ENV-clash.patch # 287426
+       eapply     "${FILESDIR}"/exim-4.97-as-needed-ldflags.patch # 352265, 
391279
+       eapply -p0 "${FILESDIR}"/exim-4.76-crosscompile.patch # 266591
+       eapply     "${FILESDIR}"/exim-4.69-r1.27021.patch
+       eapply     "${FILESDIR}"/exim-4.97-localscan_dlopen.patch
+       eapply     "${FILESDIR}"/exim-4.97-no-exim_id_update.patch
+       eapply     "${FILESDIR}"/exim-4.97.1-memory-usage-bug-3047.patch # 
922780
+
+       # oddity, they disable berkdb as hack, and then throw an error when
+       # berkdb isn't enabled
+       sed -i \
+               -e 's/_DB_/_DONTMESS_/' \
+               -e 's/define DB void/define DONTMESS void/' \
+               src/auths/call_radius.c || die
+
+       if use maildir ; then
+               eapply "${FILESDIR}"/exim-4.94-maildir.patch
+       else
+               eapply -p0 "${FILESDIR}"/exim-4.80-spool-mail-group.patch # 
438606
+       fi
+
+       eapply_user
+
+       # user Exim believes it should be
+       MAILUSER=mail
+       MAILGROUP=mail
+       if use prefix && [[ ${EUID} != 0 ]] ; then
+               MAILUSER=$(id -un)
+               MAILGROUP=$(id -gn)
+       fi
+}
+
+src_configure() {
+       # general config and paths
+
+       local aliases="${EPREFIX}/etc/mail/aliases"
+       sed -i \
+               -e "/SYSTEM_ALIASES_FILE/s'SYSTEM_ALIASES_FILE'${aliases}'" \
+               src/configure.default || die
+
+       sed -i -e 's/^buildname=.*/buildname=exim-gentoo/' Makefile || die
+
+       if use elibc_musl; then
+               sed -i -e 's/^LIBS = -lnsl/LIBS =/g' OS/Makefile-Linux || die
+               append-cflags -DNO_EXECINFO
+       fi
+
+       local conffile="${EPREFIX}/etc/exim/exim.conf"
+       sed -e "48i\CFLAGS=${CFLAGS}" \
+               -e 
"s:BIN_DIRECTORY=/usr/exim/bin:BIN_DIRECTORY=${EPREFIX}/usr/sbin:" \
+               -e "s;EXIM_USER=;EXIM_USER=ref:${MAILUSER};" \
+               -e "s:CONFIGURE_FILE=.*$:CONFIGURE_FILE=${conffile}:" \
+               -e "s:ZCAT_COMMAND=.*$:ZCAT_COMMAND=${EPREFIX}/bin/zcat:" \
+               -e 
"s:COMPRESS_COMMAND=.*$:COMPRESS_COMMAND=${EPREFIX}/bin/gzip:" \
+               src/EDITME > Local/Makefile || die
+
+       # work on Local/Makefile from now on
+       cd Local
+
+       cat >> Makefile <<- EOC
+               INFO_DIRECTORY=${EPREFIX}/usr/share/info
+               PID_FILE_PATH=${EPREFIX}/run/exim.pid
+               SPOOL_DIRECTORY=${EPREFIX}/var/spool/exim
+               HAVE_ICONV=yes
+               WITH_CONTENT_SCAN=yes
+       EOC
+
+       # configure db implementation, Exim always needs one for its hints
+       # database, we prefer tdb and gdbm, since bdb is kind of getting
+       # less and less support
+       if use tdb ; then
+               cat >> Makefile <<- EOC
+                       USE_TDB=yes
+                       DBMLIB = -ltdb
+               EOC
+               sed -i -e 's:^USE_DB=yes:# USE_DB=yes:' Makefile || die
+               sed -i -e 's:^USE_GDBM=yes:# USE_GDBM=yes:' Makefile || die
+       elif use gdbm ; then
+               cat >> Makefile <<- EOC
+                       USE_GDBM=yes
+                       DBMLIB = -lgdbm
+               EOC
+               sed -i -e 's:^USE_DB=yes:# USE_DB=yes:' Makefile || die
+               sed -i -e 's:^USE_TDB=yes:# USE_TDB=yes:' Makefile || die
+       else # must be berkdb via required_use
+               # use the "native" interfaces to the DBM and CDB libraries, 
support
+               # passwd and directory lookups by default
+               local DB_VERS="5.3 5.1 4.8 4.7 4.6 4.5 4.4 4.3 4.2 3.2"
+               cat >> Makefile <<- EOC
+                       USE_DB=yes
+                       # keep include in CFLAGS because exim.h -> dbstuff.h -> 
db.h
+                       CFLAGS += -I$(db_includedir ${DB_VERS})
+                       DBMLIB = -l$(db_libname ${DB_VERS})
+               EOC
+               sed -i -e 's:^USE_GDBM=yes:# USE_GDBM=yes:' Makefile || die
+               sed -i -e 's:^USE_TDB=yes:# USE_TDB=yes:' Makefile || die
+       fi
+
+       # if we use libiconv, now is the time to tell so
+       if use !elibc_glibc && use !elibc_musl ; then
+               cat >> Makefile <<- EOC
+                       EXTRALIBS_EXIM=-liconv
+               EOC
+       fi
+
+       # support for IPv6
+       if use ipv6; then
+               cat >> Makefile <<- EOC
+                       HAVE_IPV6=YES
+               EOC
+       fi
+
+       # support i18n/IDNA
+       if use idn; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_I18N=yes
+                       SUPPORT_I18N_2008=yes
+                       EXTRALIBS_EXIM += -lidn -lidn2
+               EOC
+       fi
+
+       #
+       # mail storage formats
+       #
+
+       # mailstore is Exim's traditional storage format
+       cat >> Makefile <<- EOC
+               SUPPORT_MAILSTORE=yes
+       EOC
+
+       # mbox
+       if use mbx; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_MBX=yes
+               EOC
+       fi
+
+       # maildir
+       if use maildir; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_MAILDIR=yes
+               EOC
+       fi
+
+       #
+       # lookup methods
+       #
+
+       # support passwd and directory lookups by default
+       cat >> Makefile <<- EOC
+               LOOKUP_CDB=yes
+               LOOKUP_PASSWD=yes
+               LOOKUP_DSEARCH=yes
+       EOC
+
+       if ! use dnsdb; then
+               # DNSDB lookup is enabled by default
+               sed -i -e 's:^LOOKUP_DNSDB=yes:# LOOKUP_DNSDB=yes:' Makefile || 
die
+       fi
+
+       if use ldap; then
+               cat >> Makefile <<- EOC
+                       LOOKUP_LDAP=yes
+                       LDAP_LIB_TYPE=OPENLDAP2
+                       LOOKUP_INCLUDE += -I"${EPREFIX}"/usr/include/ldap
+                       LOOKUP_LIBS += -lldap -llber
+               EOC
+       fi
+
+       if use mysql; then
+               cat >> Makefile <<- EOC
+                       LOOKUP_MYSQL=yes
+                       LOOKUP_INCLUDE += $(mysql_config --include)
+                       LOOKUP_LIBS += $(mysql_config --libs)
+               EOC
+       fi
+
+       if use nis; then
+               cat >> Makefile <<- EOC
+                       LOOKUP_NIS=yes
+                       LOOKUP_NISPLUS=yes
+               EOC
+               if use elibc_glibc ; then
+                       cat >> Makefile <<- EOC
+                               LOOKUP_INCLUDE += 
-I"${EPREFIX}"/usr/include/tirpc
+                               LOOKUP_LIBS += -lnsl
+                       EOC
+               fi
+       fi
+
+       if use postgres; then
+               cat >> Makefile <<- EOC
+                       LOOKUP_PGSQL=yes
+                       LOOKUP_INCLUDE += -I$(pg_config --includedir)
+                       LOOKUP_LIBS += -L$(pg_config --libdir) -lpq
+               EOC
+       fi
+
+       if use sqlite; then
+               cat >> Makefile <<- EOC
+                       LOOKUP_SQLITE=yes
+                       LOOKUP_SQLITE_PC=sqlite3
+               EOC
+       fi
+
+       if use redis; then
+               cat >> Makefile <<- EOC
+                       LOOKUP_REDIS=yes
+                       LOOKUP_LIBS += -lhiredis
+               EOC
+       fi
+
+       # Exim monitor, enabled by default, controlled via X USE-flag,
+       # disable if not requested, bug #46778
+       if use X; then
+               cp ../exim_monitor/EDITME eximon.conf || die
+               cat >> Makefile <<- EOC
+                       EXIM_MONITOR=eximon.bin
+               EOC
+       fi
+
+       #
+       # features
+       #
+
+       # DomainKeys Identified Mail, RFC4871
+       if ! use dkim; then
+               # DKIM is enabled by default
+               cat >> Makefile <<- EOC
+                       DISABLE_DKIM=yes
+               EOC
+       fi
+
+       # Per-Recipient-Data-Response
+       if ! use prdr; then
+               # PRDR is enabled by default
+               cat >> Makefile <<- EOC
+                       DISABLE_PRDR=yes
+               EOC
+       fi
+
+       # Transport post-delivery actions
+       if use !tpda && use !dane; then
+               # EVENT is enabled by default
+               cat >> Makefile <<- EOC
+                       DISABLE_EVENT=yes
+               EOC
+       fi
+
+       # log to syslog
+       if use syslog; then
+               local eximlog="${EPREFIX}/var/log/exim/exim_%s.log"
+               sed -i \
+                       -e "s:LOG_FILE_PATH=${eximlog}:LOG_FILE_PATH=syslog:" \
+                       Makefile || die
+               cat >> Makefile <<- EOC
+                       LOG_FILE_PATH=syslog
+               EOC
+       else
+               cat >> Makefile <<- EOC
+                       LOG_FILE_PATH=${EPREFIX}/var/log/exim/exim_%s.log
+               EOC
+       fi
+
+       # starttls support (ssl)
+       if use ssl; then
+               if use gnutls; then
+                       echo "USE_GNUTLS=yes" >> Makefile
+                       echo "USE_GNUTLS_PC=gnutls $(use dane && echo 
gnutls-dane)" \
+                               >> Makefile
+                       use pkcs11 || echo "AVOID_GNUTLS_PKCS11=yes" >> Makefile
+               else
+                       echo "USE_OPENSSL=yes" >> Makefile
+                       echo "USE_OPENSSL_PC=openssl" >> Makefile
+               fi
+       else
+               echo "DISABLE_TLS=yes" >> Makefile
+       fi
+
+       # TCP wrappers
+       if use tcpd; then
+               cat >> Makefile <<- EOC
+                       USE_TCP_WRAPPERS=yes
+                       EXTRALIBS_EXIM += -lwrap
+               EOC
+       fi
+
+       # Light Mail Transport Protocol
+       if use lmtp; then
+               cat >> Makefile <<- EOC
+                       TRANSPORT_LMTP=yes
+               EOC
+       fi
+
+       # embedded Perl
+       if use perl; then
+               cat >> Makefile <<- EOC
+                       EXIM_PERL=perl.o
+               EOC
+       fi
+
+       # dlfunc
+       if use dlfunc; then
+               cat >> Makefile <<- EOC
+                       EXPAND_DLFUNC=yes
+                       HAVE_LOCAL_SCAN=yes
+                       DLOPEN_LOCAL_SCAN=yes
+               EOC
+       fi
+
+       # Proxy Protocol
+       if use proxy; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_PROXY=yes
+               EOC
+       fi
+
+       # SOCKS5 (outbound) proxy support
+       if use socks5; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_SOCKS=yes
+               EOC
+       fi
+
+       # DANE
+       if use !dane; then
+               # DANE is enabled by default
+               sed -i -e 's:^SUPPORT_DANE=yes:# SUPPORT_DANE=yes:' Makefile || 
die
+       fi
+
+       # DMARC
+       if use dmarc; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_DMARC=yes
+                       EXTRALIBS_EXIM += -lopendmarc
+               EOC
+       fi
+
+       # Sender Policy Framework
+       if use spf; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_SPF=yes
+                       EXTRALIBS_EXIM += -lspf2
+               EOC
+       fi
+
+       #
+       # experimental features
+       #
+
+       # Authenticated Receive Chain
+       if use arc; then
+               echo "EXPERIMENTAL_ARC=yes">> Makefile
+       fi
+
+       # Distributed Checksum Clearinghouse
+       if use dcc; then
+               echo "EXPERIMENTAL_DCC=yes">> Makefile
+       fi
+
+       # Sender Rewriting Scheme
+       if use srs; then
+               # this one is the default/supported variant since 4.95, and the
+               # only variant available since 4.96
+               cat >> Makefile <<- EOC
+                       SUPPORT_SRS=yes
+               EOC
+       fi
+
+       # Delivery Sender Notifications extra information in fail message
+       if use dsn; then
+               cat >> Makefile <<- EOC
+                       EXPERIMENTAL_DSN_INFO=yes
+               EOC
+       fi
+
+       #
+       # authentication (SMTP AUTH)
+       #
+
+       # standard bits
+       cat >> Makefile <<- EOC
+               AUTH_SPA=yes
+               AUTH_CRAM_MD5=yes
+               AUTH_PLAINTEXT=yes
+       EOC
+
+       # Cyrus SASL
+       if use sasl; then
+               cat >> Makefile <<- EOC
+                       CYRUS_SASLAUTHD_SOCKET=${EPREFIX}/run/saslauthd/mux
+                       AUTH_CYRUS_SASL=yes
+                       AUTH_LIBS += -lsasl2
+               EOC
+       fi
+
+       # Dovecot
+       if use dovecot-sasl; then
+               cat >> Makefile <<- EOC
+                       AUTH_DOVECOT=yes
+               EOC
+       fi
+
+       # Pluggable Authentication Modules
+       if use pam; then
+               cat >> Makefile <<- EOC
+                       SUPPORT_PAM=yes
+                       AUTH_LIBS += -lpam
+               EOC
+       fi
+
+       # Radius
+       if use radius; then
+               cat >> Makefile <<- EOC
+                       
RADIUS_CONFIG_FILE=${EPREFIX}/etc/radiusclient/radiusclient.conf
+                       RADIUS_LIB_TYPE=RADIUSCLIENTNEW
+                       AUTH_LIBS += -lfreeradius-client
+               EOC
+       fi
+}
+
+src_compile() {
+       emake CC="$(tc-getCC)" HOSTCC="$(tc-getBUILD_CC)" \
+               AR="$(tc-getAR) cq" RANLIB="$(tc-getRANLIB)" FULLECHO=''
+}
+
+src_install() {
+       cd "${S}"/build-exim-gentoo || die
+       dosbin exim
+       if use X; then
+               dosbin eximon.bin
+               dosbin eximon
+       fi
+       fperms 4755 /usr/sbin/exim
+
+       dosym exim /usr/sbin/sendmail
+       dosym exim /usr/sbin/rsmtp
+       dosym exim /usr/sbin/rmail
+       dosym ../sbin/exim /usr/bin/mailq
+       dosym ../sbin/exim /usr/bin/newaliases
+       dosym ../sbin/sendmail /usr/lib/sendmail
+
+       for i in exicyclog exim_dbmbuild exim_dumpdb exim_fixdb exim_lock \
+               exim_tidydb exinext exiwhat exigrep eximstats exiqsumm exiqgrep 
\
+               convert4r3 convert4r4 exipick
+       do
+               dosbin $i
+       done
+
+       dodoc -r "${S}"/doc/.
+       doman "${S}"/doc/exim.8
+       use dsn && dodoc "${S}"/README.DSN
+       use doc && dodoc "${WORKDIR}"/${PN}-pdf-${PV//rc/RC}/doc/*.pdf
+
+       # conf files
+       insinto /etc/exim
+       newins "${S}"/src/configure.default exim.conf.dist
+       doins "${WORKDIR}"/system_filter.exim
+       doins "${FILESDIR}"/auth_conf.sub
+
+       if use pam; then
+               pamd_mimic system-auth exim auth account
+       fi
+
+       # headers, #436406
+       if use dlfunc ; then
+               # fixup includes so they actually can be found when including
+               sed -i \
+                       -e '/#include 
"\(config\|store\|mytypes\).h"/s:"\(.\+\)":<exim/\1>:' \
+                       local_scan.h || die
+               insinto /usr/include/exim
+               doins {config,local_scan}.h ../src/{mytypes,store}.h
+       fi
+
+       insinto /etc/logrotate.d
+       newins "${FILESDIR}/exim.logrotate" exim
+
+       newinitd "${FILESDIR}"/exim.rc10 exim
+       newconfd "${FILESDIR}"/exim.confd exim
+
+       systemd_dounit \
+               "${FILESDIR}"/{exim.service,exim.socket,exim-submission.socket}
+       systemd_newunit \
+               "${FILESDIR}"/exim_at.service 'exim@.service'
+       systemd_newunit \
+               "${FILESDIR}"/exim-submission_at.service 
'exim-submission@.service'
+
+       diropts -m 0750 -o ${MAILUSER} -g ${MAILGROUP}
+       keepdir /var/log/${PN}
+}
+
+pkg_postinst() {
+       if [[ ! -f ${EROOT}/etc/exim/exim.conf ]] ; then
+               einfo "${EROOT}/etc/exim/system_filter.exim is a sample 
system_filter."
+               einfo "${EROOT}/etc/exim/auth_conf.sub contains the 
configuration sub"
+               einfo "for using smtp auth."
+               einfo "Please create ${EROOT}/etc/exim/exim.conf from"
+               einfo "  ${EROOT}/etc/exim/exim.conf.dist."
+       fi
+       if use berkdb && ( use gdbm || use tdb ) ; then
+               ewarn "USE=berkdb is ignored because USE=gdbm or USE=tdb is 
enabled!"
+       fi
+       if use dmarc ; then
+               einfo "DMARC support requires ${EROOT}/etc/exim/opendmarc.tlds"
+               einfo "you can populate this file with the contents downloaded 
from"
+               einfo "  https://publicsuffix.org/list/public_suffix_list.dat";
+       fi
+       if use dcc ; then
+               einfo "DCC support is experimental, you can find some limited"
+               einfo "documentation at the bottom of this prerelease message:"
+               einfo "  http://article.gmane.org/gmane.mail.exim.devel/3579";
+       fi
+       use dsn && einfo "extra information in fail DSN message is experimental"
+       einfo
+       elog "Note that this release contains a tainted variable check that"
+       elog "is likely to break your configuration used with Exim 4.93 and 
before."
+       elog "Please check your transports for occurences of \$local_part, and"
+       elog "use a replacement like \$local_part_data where possible."
+}

diff --git a/mail-mta/exim/files/exim-4.97.1-memory-usage-bug-3047.patch 
b/mail-mta/exim/files/exim-4.97.1-memory-usage-bug-3047.patch
new file mode 100644
index 000000000000..f141d08bb7b4
--- /dev/null
+++ b/mail-mta/exim/files/exim-4.97.1-memory-usage-bug-3047.patch
@@ -0,0 +1,56 @@
+https://bugs.exim.org/show_bug.cgi?id=3047
+https://bugs.gentoo.org/922780
+
+diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
+index ec41ca035..91b353079 100644
+--- a/src/transports/appendfile.c
++++ b/src/transports/appendfile.c
+@@ -153,6 +153,10 @@ static const char *mailbox_formats[] = {
+   (!ob->quota_warn_threshold_is_percent || ob->quota_value > 0))
+ 
+ 
++/* Free memory allocated by PCRE2 every so often, because a recent version
++is now using 20kB for every match call */
++
++#define RESET_STORE_FILECNT   1000
+ 
+ /*************************************************
+ *              Setup entry point                 *
+@@ -661,13 +665,14 @@ Returns:        the sum of the sizes of the stattable 
files
+ off_t
+ check_dir_size(const uschar * dirname, int * countptr, const pcre2_code * re)
+ {
+-DIR *dir;
++DIR * dir;
+ off_t sum = 0;
+-int count = *countptr;
++int count = *countptr, lcount = RESET_STORE_FILECNT;
++rmark reset_point = store_mark();
+ 
+ if (!(dir = exim_opendir(dirname))) return 0;
+ 
+-for (struct dirent *ent; ent = readdir(dir); )
++for (struct dirent * ent; ent = readdir(dir); )
+   {
+   uschar * path, * name = US ent->d_name;
+   struct stat statbuf;
+@@ -675,6 +680,11 @@ for (struct dirent *ent; ent = readdir(dir); )
+   if (Ustrcmp(name, ".") == 0 || Ustrcmp(name, "..") == 0) continue;
+ 
+   count++;
++  if (--lcount == 0)
++    {
++    store_reset(reset_point); reset_point = store_mark();
++    lcount = RESET_STORE_FILECNT;
++    }
+ 
+   /* If there's a regex, try to find the size using it */
+ 
+@@ -726,6 +736,7 @@ DEBUG(D_transport)
+   debug_printf("check_dir_size: dir=%s sum=" OFF_T_FMT " count=%d\n", dirname,
+     sum, count);
+ 
++store_reset(reset_point);
+ *countptr = count;
+ return sum;
+ }

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