Build of exim with vanilla toolchain

# [tuscan]
# Server = file:///var/cache/pacman/pkg/

# :: Synchronizing package databases...
# downloading tuscan.db...

# ==> Making package: exim 4.87-1 (Wed Aug 24 14:30:16 UTC 2016)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# /bin/sh scripts/source_checks
#
# >>> Creating links to source files...
# >>> Creating lookups/Makefile for building dynamic modules
# >>> New Makefile & lookups/Makefile installed
# >>> Use "make makefile" if you need to force rebuilding of the makefile
#
# make[1]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64'
# /bin/sh ../scripts/Configure-os.c
# gcc buildconfig.c
# /bin/sh ../scripts/Configure-config.h "make"
# make[2]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64'
# make[2]: 'buildconfig' is up to date.
# make[2]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64'
# Building configuration file config.h
# >>> config.h built
#
# >>> version 4.87 #1
#
# >>> exicyclog script built
# >>> exinext script built
# >>> exiwhat script built
# >>> exigrep script built
# >>> eximstats script built
# >>> exipick script built
# >>> exiqgrep script built
# >>> exiqsumm script built
# >>> transport-filter.pl script built
# >>> convert4r3 script built
# >>> convert4r4 script built
# >>> exim_checkaccess script built
#
# /bin/sh ../scripts/Configure-os.h
# gcc exim_dbmbuild.c
# gcc -o exim_dbmbuild
# >>> exim_dbmbuild utility built
#
# gcc -DEXIM_DUMPDB exim_dbutil.c
# gcc -DCOMPILE_UTILITY os.c
# gcc -DCOMPILE_UTILITY store.c
# gcc -o exim_dumpdb
# >>> exim_dumpdb utility built
#
# gcc -DEXIM_FIXDB exim_dbutil.c
# make[2]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/auths'
# gcc auth-spa.c
# gcc call_pam.c
# gcc call_pwcheck.c
# gcc call_radius.c
# gcc check_serv_cond.c
# gcc cram_md5.c
# gcc cyrus_sasl.c
# gcc dovecot.c
# gcc get_data.c
# gcc get_no64_data.c
# gcc gsasl_exim.c
# gcc heimdal_gssapi.c
# gcc md5.c
# gcc plaintext.c
# gcc pwcheck.c
# gcc sha1.c
# gcc spa.c
# gcc tls.c
# gcc xtextdecode.c
# gcc xtextencode.c
# ar cq auths.a
# ranlib auths.a
# make[2]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/auths'
#
# gcc -o exim_fixdb
# >>> exim_fixdb utility built
#
# gcc -DEXIM_TIDYDB exim_dbutil.c
# gcc -o exim_tidydb
# >>> exim_tidydb utility built
#
# gcc exim_lock.c
# gcc -o exim_lock
# >>> exim_lock utility built
#
# make[2]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/lookups'
# gcc dbmdb.c
# gcc dnsdb.c
# gcc dsearch.c
# gcc lsearch.c
# gcc ldap.c
# gcc spf.c
# ar cq lookups.a
# ranlib lookups.a
# gcc lf_quote.c
# gcc lf_check_file.c
# gcc lf_sqlperform.c
# make[2]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/lookups'
#
# make[2]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/pdkim'
# gcc pdkim.c
# gcc hash.c
# gcc rsa.c
# ar cq pdkim.a
# ranlib pdkim.a
# make[2]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/pdkim'
#
# make[2]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/routers'
# gcc accept.c
# gcc dnslookup.c
# gcc ipliteral.c
# gcc iplookup.c
# gcc manualroute.c
# gcc queryprogram.c
# gcc redirect.c
# gcc rf_change_domain.c
# gcc rf_expand_data.c
# gcc rf_get_errors_address.c
# gcc rf_get_munge_headers.c
# gcc rf_get_transport.c
# gcc rf_get_ugid.c
# gcc rf_lookup_hostlist.c
# gcc rf_queue_add.c
# gcc rf_self_action.c
# gcc rf_set_ugid.c
# ar cq routers.a
# ranlib routers.a
# make[2]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/routers'
#
# make[2]: Entering directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/transports'
# gcc appendfile.c
# gcc autoreply.c
# gcc lmtp.c
# gcc pipe.c
# gcc smtp.c
# gcc smtp_socks.c
# gcc tf_maildir.c
# ar cq transports.a
# ranlib transports.a
# make[2]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64/transports'
#
# gcc acl.c
# gcc base64.c
# gcc child.c
# gcc crypt16.c
# gcc daemon.c
# gcc dbfn.c
# gcc debug.c
# gcc deliver.c
# gcc directory.c
# gcc dns.c
# gcc drtables.c
# gcc enq.c
# gcc exim.c
# gcc expand.c
# gcc filter.c
# gcc filtertest.c
# gcc globals.c
# gcc dkim.c
# gcc header.c
# gcc host.c
# gcc ip.c
# gcc log.c
# gcc lss.c
# gcc match.c
# gcc moan.c
# gcc os.c
# gcc parse.c
# gcc queue.c
# gcc rda.c
# gcc readconf.c
# gcc receive.c
# gcc retry.c
# gcc rewrite.c
# gcc rfc2047.c
# gcc route.c
# gcc search.c
# gcc sieve.c
# gcc smtp_in.c
# gcc smtp_out.c
# gcc spool_in.c
# gcc spool_out.c
# gcc std-crypto.c
# gcc store.c
# gcc string.c
# gcc tls.c
# gcc tod.c
# gcc transport.c
# gcc tree.c
# gcc verify.c
# gcc environment.c
# gcc lookups/lf_quote.c
# gcc lookups/lf_check_file.c
# gcc lookups/lf_sqlperform.c
# gcc local_scan.c
# gcc malware.c
# gcc mime.c
# gcc regex.c
# gcc spam.c
# gcc spool_mbox.c
# gcc demime.c
# gcc bmi_spam.c
# gcc dane.c
# gcc dcc.c
# gcc dmarc.c
# gcc imap_utf7.c
# gcc spf.c
# gcc srs.c
# gcc utf8.c
# gcc version.c
# gcc -o exim
#
# >>> exim binary built
#
# make[1]: Leaving directory '/tmp/exim/src/exim-4.87/build-Linux-x86_64'
# ==> Entering fakeroot environment...
# ==> Starting package()...
# chown: changing ownership of '/tmp/exim/pkg/exim/var/spool/exim': Operation not permitted
# chown: changing ownership of '/tmp/exim/pkg/exim/var/log/exim': Operation not permitted
# ==> ERROR: A failure occurred in package().
# Aborting...