diff --git a/build-aux/GNUmakefile.in b/build-aux/GNUmakefile.in
index 24d8e1f1..9b7748fe 100644
--- a/build-aux/GNUmakefile.in
+++ b/build-aux/GNUmakefile.in
@@ -90,6 +90,9 @@ gcc:
 mes-gcc:
 	${srcdest}build-aux/build-cc32.sh
 
+x86_64-mes-gcc:
+	${srcdest}build-aux/build-cc64.sh
+
 mes-tcc:
 ifdef TCC
 	CC32=$(TCC) ${srcdest}build-aux/build-cc32.sh
diff --git a/build-aux/build-cc.sh b/build-aux/build-cc.sh
index 650728b4..45e85811 100755
--- a/build-aux/build-cc.sh
+++ b/build-aux/build-cc.sh
@@ -23,9 +23,6 @@ set -e
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh
 
-# cc64
-LIBC=${LIBC-c}
-
 # native
 trace "SNARF      gc.c"     ${srcdest}build-aux/mes-snarf.scm src/gc.c
 trace "SNARF      lib.c"    ${srcdest}build-aux/mes-snarf.scm src/lib.c
@@ -35,39 +32,6 @@ trace "SNARF      posix.c"  ${srcdest}build-aux/mes-snarf.scm src/posix.c
 trace "SNARF      reader.c" ${srcdest}build-aux/mes-snarf.scm src/reader.c
 trace "SNARF      vector.c" ${srcdest}build-aux/mes-snarf.scm src/vector.c
 
-# cc64-mes
-trace "SNARF.mes  gc.c"     ${srcdest}build-aux/mes-snarf.scm --mes src/gc.c
-trace "SNARF.mes  lib.c"    ${srcdest}build-aux/mes-snarf.scm --mes src/lib.c
-trace "SNARF.mes  math.c"   ${srcdest}build-aux/mes-snarf.scm --mes src/math.c
-trace "SNARF.mes  mes.c"    ${srcdest}build-aux/mes-snarf.scm --mes src/mes.c
-trace "SNARF.mes  posix.c"  ${srcdest}build-aux/mes-snarf.scm --mes src/posix.c
-trace "SNARF.mes  reader.c" ${srcdest}build-aux/mes-snarf.scm --mes src/reader.c
-trace "SNARF.mes  vector.c" ${srcdest}build-aux/mes-snarf.scm --mes src/vector.c
-
 ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc.sh lib/libmes
 sh ${srcdest}build-aux/cc.sh src/mes
-
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crt0
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crt1
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crti
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crtn
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc-mini
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+tcc
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libtcc1
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+gnu
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libg
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libgetopt
-
-LIBC= sh ${srcdest}build-aux/cc64-mes.sh scaffold/main
-LIBC=c-mini sh ${srcdest}build-aux/cc64-mes.sh scaffold/hello
-LIBC=c-mini sh ${srcdest}build-aux/cc64-mes.sh scaffold/argv
-sh ${srcdest}build-aux/cc64-mes.sh scaffold/read
-sh ${srcdest}build-aux/cc64-mes.sh scaffold/malloc
-sh ${srcdest}build-aux/cc64-mes.sh scaffold/micro-mes
-sh ${srcdest}build-aux/cc64-mes.sh scaffold/tiny-mes
-# sh ${srcdest}build-aux/cc64-mes.sh scaffold/cons-mes
-sh ${srcdest}build-aux/cc64-mes.sh scaffold/mini-mes
-
-sh ${srcdest}build-aux/cc64-mes.sh src/mes
 cp src/mes.gcc-out src/mes
diff --git a/build-aux/build-cc64.sh b/build-aux/build-cc64.sh
new file mode 100755
index 00000000..41304665
--- /dev/null
+++ b/build-aux/build-cc64.sh
@@ -0,0 +1,60 @@
+#! /bin/sh
+
+# GNU Mes --- Maxwell Equations of Software
+# Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+#
+# This file is part of GNU Mes.
+#
+# GNU Mes is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GNU Mes is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+
+set -e
+
+. ${srcdest}build-aux/config.sh
+. ${srcdest}build-aux/trace.sh
+
+LIBC=${LIBC-c}
+
+# cc64-mes
+trace "SNARF.mes  gc.c"     ${srcdest}build-aux/mes-snarf.scm --mes src/gc.c
+trace "SNARF.mes  lib.c"    ${srcdest}build-aux/mes-snarf.scm --mes src/lib.c
+trace "SNARF.mes  math.c"   ${srcdest}build-aux/mes-snarf.scm --mes src/math.c
+trace "SNARF.mes  mes.c"    ${srcdest}build-aux/mes-snarf.scm --mes src/mes.c
+trace "SNARF.mes  posix.c"  ${srcdest}build-aux/mes-snarf.scm --mes src/posix.c
+trace "SNARF.mes  reader.c" ${srcdest}build-aux/mes-snarf.scm --mes src/reader.c
+trace "SNARF.mes  vector.c" ${srcdest}build-aux/mes-snarf.scm --mes src/vector.c
+
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crt0
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crt1
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crti
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/crtn
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc-mini
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+tcc
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libtcc1
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+gnu
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libg
+ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libgetopt
+
+LIBC= sh ${srcdest}build-aux/cc64-mes.sh scaffold/main
+LIBC=c-mini sh ${srcdest}build-aux/cc64-mes.sh scaffold/hello
+LIBC=c-mini sh ${srcdest}build-aux/cc64-mes.sh scaffold/argv
+sh ${srcdest}build-aux/cc64-mes.sh scaffold/read
+sh ${srcdest}build-aux/cc64-mes.sh scaffold/malloc
+sh ${srcdest}build-aux/cc64-mes.sh scaffold/micro-mes
+sh ${srcdest}build-aux/cc64-mes.sh scaffold/tiny-mes
+# sh ${srcdest}build-aux/cc64-mes.sh scaffold/cons-mes
+sh ${srcdest}build-aux/cc64-mes.sh scaffold/mini-mes
+
+sh ${srcdest}build-aux/cc64-mes.sh src/mes
+cp src/mes.x86_64-mes-gcc-out src/mes
diff --git a/build-aux/build-x86_64-mes.sh b/build-aux/build-x86_64-mes.sh
index d3468e3d..2d2d266c 100755
--- a/build-aux/build-x86_64-mes.sh
+++ b/build-aux/build-x86_64-mes.sh
@@ -133,13 +133,13 @@ ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/libgetopt
 [ -n "$SEED" ] && exit 0
 
 MES_ARENA=${MES_ARENA-100000000}
-trace "MSNARF gc.c"     ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/gc.c
-trace "MSNARF lib.c"    ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/lib.c
-trace "MSNARF math.c"   ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/math.c
-trace "MSNARF mes.c"    ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/mes.c
-trace "MSNARF posix.c"  ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/posix.c
-trace "MSNARF reader.c" ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/reader.c
-trace "MSNARF vector.c" ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/vector.c
+trace "SNARF.mes  gc.c"     ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/gc.c
+trace "SNARF.mes  lib.c"    ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/lib.c
+trace "SNARF.mes  math.c"   ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/math.c
+trace "SNARF.mes  mes.c"    ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/mes.c
+trace "SNARF.mes  posix.c"  ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/posix.c
+trace "SNARF.mes  reader.c" ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/reader.c
+trace "SNARF.mes  vector.c" ./pre-inst-env bash ${srcdest}build-aux/mes-snarf.scm --mes src/vector.c
 
 echo MES_ARENA=$MES_ARENA
 bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/main
@@ -153,9 +153,9 @@ trace "TEST       scaffold/main.x86_64-mes-out" echo scaffold/main.x86_64-mes-ou
 MES_LIBS='-l c-mini' bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/hello
 MES_LIBS='-l c-mini' bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/argv
 bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/malloc
-##sh ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/micro-mes
-##sh ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/tiny-mes
-# bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/mini-mes
+sh ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/micro-mes
+sh ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/tiny-mes
+bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/mini-mes
 bash ${srcdest}build-aux/cc-x86_64-mes.sh src/mes
 # not yet, broken
 # cp src/mes.x86_64-mes-out src/mes
diff --git a/build-aux/build.sh.in b/build-aux/build.sh.in
index 7c289388..02e69545 100755
--- a/build-aux/build.sh.in
+++ b/build-aux/build.sh.in
@@ -44,6 +44,10 @@ if [ -n "$CC32" ]; then
     sh ${srcdest}build-aux/build-cc32.sh
 fi
 
+if [ -n "$CC64" ]; then
+    sh ${srcdest}build-aux/build-cc64.sh
+fi
+
 if [ -n "$TCC" ]; then
     CC32=$TCC sh ${srcdest}build-aux/build-cc32.sh
 fi