build: Simplify: cater for one compiler at a time.

* build-aux/build-cc.sh: Remove. * build-aux/build-cc32.sh: Remove. * build-aux/build-cc64.sh: Remove. * build-aux/build-x86_64-mes.sh: Remove. * build-aux/cc-mes.sh: Remove. * build-aux/cc-x86_64-mes.sh: Remove. * build-aux/cc32-mes.sh: Remove. * build-aux/cc64-mes.sh: Remove. * build-aux/test64.sh: Remove. * build-aux/bootstrap-mes.sh: New file. * build-aux/config.make.in: New file. * build-aux/config.status.in: New file. * build-aux/test-cc.sh: New file. * .gitignore: Update. * build-aux/GNUmakefile.in: Update. * build-aux/build-guile.sh: Update. * build-aux/build-mes.sh: Update. * build-aux/build.sh.in: Update. * build-aux/cc.sh: Update. * build-aux/check-boot.sh: Update. * build-aux/check-mes.sh: Update. * build-aux/check-mescc.sh: Update. * build-aux/check-tcc.sh: Update. * build-aux/check.sh.in: Update. * build-aux/config.sh: Update. * build-aux/export.make: Update. * build-aux/install.sh.in: Update. * build-aux/pre-inst-env.in: Update. * build-aux/test.sh: Update. * build-aux/uninstall.sh.in: Update. * configure: Update. * configure.sh: Update. * module/mescc/i386/as.scm: Update. * module/mescc/preprocess.scm: Update. * module/mescc/x86_64/as.scm: Update. * scripts/mescc.in: Update. * tests/psyntax.test: Update.
2018-11-06 20:29:35 +01:00 · 2018-11-06 20:29:35 +01:00 · 6b5ac57602
parent 172879360e
commit 6b5ac57602
36 changed files with 909 additions and 1318 deletions
--- a/.gitignore
+++ b/.gitignore
@ -30,13 +30,27 @@
 *.mini-M1
 *.mini-guile
 *.mini-hex2
+*.a
 *.o
 *.seed-out
 *.stderr
 *.stdout
+
 *.x86-out
+
+*.x86-mes-E
+*.x86-mes-S
+*.x86-mes-gcc-a
+*.x86-mes-gcc-o
+*.x86-mes-gcc-out
+*.x86-mes-gcc-stdout
+*.x86-mes-o
+*.x86-mes-out
+*.x86-mes-stdout
+
 *.x86_64-mes-E
 *.x86_64-mes-S
+*.x86_64-mes-gcc-a
 *.x86_64-mes-gcc-o
 *.x86_64-mes-gcc-out
 *.x86_64-mes-gcc-stdout
@ -45,9 +59,28 @@
 *.x86_64-mes-stdout
 *.x86_64-out

+/lib/x86-mes/0exit-42
+/lib/x86-mes/exit-42
+
+/scaffold/argv
+/scaffold/hello
+/scaffold/main
+/scaffold/malloc
+/scaffold/micro-mes
+/scaffold/tiny-mes
+/scaffold/mini-mes
+
+/scaffold/x86-mes-*
+/scaffold/x86_64-mes-*
+
+/scaffold/tests/x86-mes-*
+/scaffold/tests/[0-9a][0-9a-z]-[^.]*
+
 /src/*.h
 /src/*.i
 /src/mes
+/src/x86-mes-mes
+/src/x86_64-mes-mes

 /.config.make
 /.store
@ -75,16 +108,17 @@
 /doc/mescc.1
 /doc/version.texi

+/config.status
 /pre-inst-env
+/build.sh
+/check.sh
+/install.sh
+/uninstall.sh
 /mes/module/mes/boot-0.scm
 /scripts/mescc
 /doc/images/gcc-mesboot-graph.png
 /GNUmakefile
-/build.sh
-/check.sh
-/install.sh
 /pre-inst-env
-/uninstall.sh
 /doc/images/gcc-mesboot-graph.eps
 /doc/images/gcc-mesboot-graph.pdf
 /doc/web/
--- a/build-aux/GNUmakefile.in
+++ b/build-aux/GNUmakefile.in
@ -82,39 +82,21 @@ doc: build
 build:
 	./build.sh

-src/mes: build
-
-gcc:
-	${srcdest}build-aux/build-cc.sh
-
-mes-gcc:
-	${srcdest}build-aux/build-cc32.sh
-
-x86_64-mes-gcc:
-	${srcdest}build-aux/build-cc64.sh
-
-mes-tcc:
-ifdef TCC
-	CC32=$(TCC) ${srcdest}build-aux/build-cc32.sh
-else
-
-$(warning skipping mes-tcc: no tcc)
-endif
-
-mes:
-	${srcdest}build-aux/build-mes.sh
-
-x86_64-mes:
-	${srcdest}build-aux/build-x86_64-mes.sh
+src/${program_prefix}mes: build

 clean:
 	git clean -dfx\
+	    -e .config.make\
+	    -e config.status\
 	    -e GNUmakefile\
 	    -e build.sh\
 	    -e check.sh\
 	    -e install.sh\
-	    -e pre-inst-env\
 	    -e uninstall.sh\
+	    -e pre-inst-env\
+	    -e scripts/mescc\
+	    -e "mes"/module/mes/boot-0.scm\
+
 #

 # Mes does not cache anything on the file system; therefore clean
@ -151,30 +133,6 @@ install:
 uninstall:
 	./uninstall.sh

-seed: all-go gcc mes-gcc x86_64-mes-gcc mes-tcc
-	cd $(MES_SEED) && git reset --hard HEAD
-	$(MAKE) MES=guile MES_SEED= SEED=1 mes
-	cp -v lib/x86-mes/*.S $(MES_SEED)/x86-mes
-	cp -v src/mes.S $(MES_SEED)/x86-mes
-	$(MAKE) MES=guile MES_SEED= SEED=1 x86_64-mes
-	cp -v lib/x86_64-mes/*.S $(MES_SEED)/x86_64-mes
-	cp -v src/mes.x86_64-mes-S $(MES_SEED)/x86_64-mes/mes.S
-	MES=$(GUILE) GUILE=$(GUILE) SEED=1 MES_SEED= ${srcdest}build-aux/build-mes.sh
-	MES=$(GUILE) GUILE=$(GUILE) SEED=1 MES_SEED= ${srcdest}build-aux/build-x86_64-mes.sh
-	cd $(MES_SEED) && MES_PREFIX=$(PWD) ./refresh.sh
-	MES=$(GUILE) GUILE=$(GUILE) SEED=1 ${srcdest}build-aux/build-mes.sh
-	cd $(MES_SEED) && MES_PREFIX=$(PWD) arch=x86_64-mes ./refresh.sh
-	MES=$(GUILE) GUILE=$(GUILE) SEED=1 ${srcdest}build-aux/build-x86_64-mes.sh
-	cp lib/x86-mes/libc+tcc.S\
-           lib/x86-mes/libc.S\
-           lib/x86-mes/crt1.S\
-           lib/x86-mes/libgetopt.S\
-           $(MESCC_TOOLS_SEED)/libs
-	cd $(MESCC_TOOLS_SEED) && MES_PREFIX=$(PWD) ./bootstrap.sh
-ifdef TCC
-	cd $(TINYCC_SEED) && MES_PREFIX=$(PWD) ./refresh.sh
-endif
-
 doc/version.texi: ${srcdest}doc/mes.texi GNUmakefile
 	@mkdir -p $(@D)
 	(set `LANG= date -r $< +'%d %B %Y'`;\
@ -234,10 +192,10 @@ man: doc/mes.1 doc/mescc.1
 %: %.o
 %: %.c

-doc/mes.1: src/mes | build
+doc/mes.1: src/${program_prefix}mes | build
 	MES_ARENA=10000000 ./pre-inst-env $(HELP2MAN) $(<F) > $@

-doc/mescc.1: scripts/mescc src/mes | build
+doc/mescc.1: scripts/mescc src/${program_prefix}mes | build
 	MES_ARENA=10000000 ./pre-inst-env $(HELP2MAN) $(<F) > $@

 html: doc/html/index.html
@ -320,7 +278,7 @@ tag:
 	git tag -s v$(VERSION) -m "GNU Mes $(VERSION)."

 # Release process
-#  0. doc: Release update, Release commit, make seed, test guix bootstrap
+#  0. doc: Release update, Release commit, test guix bootstrap
 #  1. make tag
 #  2. make dist
 #  3. make release
@ -376,12 +334,8 @@ Usage: make [OPTION]... [TARGET]...
 Main and non-standard targets:
  all             update everything
  all-go          update .go files
-  gcc             update src/mes.gcc-out
  dist            update $(TARBALL)
  doc             update documentation
-  mes-gcc         update src/mes.mes-gcc-out
-  mes-tcc         update src/mes.mes-tcc-out
-  mes             update src/mes
  check           run unit tests
  clean           run git clean -dfx
  clean-go        clean .go files
@ -389,7 +343,6 @@ Main and non-standard targets:
  install         install in $(prefix)
  install-info    install info docs in $(prefix)/share/info
  release         dist and tag
-  seed            update mes-seed in $(MES_SEED)
  uninstall       uninstall from $(prefix)
 endef
 export HELP_TOP
--- a/build-aux/bootstrap-mes.sh
+++ b/build-aux/bootstrap-mes.sh
@ -0,0 +1,101 @@
+#! /bin/sh
+
+# GNU Mes --- Maxwell Equations of Software
+# Copyright © 2017,2018 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/>.
+
+. ./config.status
+. ${srcdest}build-aux/config.sh
+. ${srcdest}build-aux/trace.sh
+
+set -e
+
+# FIXME?
+#mes_program_prefix=boot-$arch-
+mes_program_prefix=$program_prefix
+trace "HEX2       0exit-42" $HEX2\
+      $HEX2FLAGS\
+      -f ${srcdest}lib/$mes_arch/elf$bits-0header.hex2\
+      -f ${srcdest}lib/$mes_arch/elf$bits-body-exit-42.hex2\
+      -f ${srcdest}lib/$mes_arch/elf-0footer.hex2\
+      --exec_enable\
+      -o lib/$mes_arch/${mes_program_prefix}0exit-42
+
+trace "TEST       lib/$mes_arch/${mes_program_prefix}0exit-42" echo lib/$mes_arch/${mes_program_prefix}0exit-42
+{ set +e; lib/$mes_arch/${mes_program_prefix}0exit-42; r=$?; set -e; }
+[ $r != 42 ] && echo "  => $r" && exit 1
+
+trace "HEX2       exit-42" $HEX2\
+      $HEX2FLAGS\
+      -f ${srcdest}lib/$mes_arch/elf$bits-header.hex2\
+      -f ${srcdest}lib/$mes_arch/elf$bits-body-exit-42.hex2\
+      -f ${srcdest}lib/$mes_arch/elf$bits-footer-single-main.hex2\
+      --exec_enable\
+      -o lib/$mes_arch/${mes_program_prefix}exit-42
+
+trace "TEST       lib/$mes_arch/${mes_program_prefix}exit-42" echo lib/$mes_arch/${mes_program_prefix}exit-42
+{ set +e; lib/$mes_arch/${mes_program_prefix}exit-42; r=$?; set -e; }
+[ $r != 42 ] && echo "  => $r" && exit 1
+
+
+mkdir -p lib/$mes_arch
+trace "M1         crt1.S" $M1\
+      $M1FLAGS\
+      -f ${srcdest}lib/$mes_arch/$arch.M1\
+      -f $MES_SEED/$mes_arch/crt1.S\
+      -o lib/$mes_arch/crt1.o
+trace "M1         libc.S" $M1\
+      $M1FLAGS\
+      -f ${srcdest}lib/$mes_arch/$arch.M1\
+      -f $MES_SEED/$mes_arch/libc.S\
+      -o lib/$mes_arch/libc.o
+trace "M1         mes.S" $M1\
+      --LittleEndian\
+      --Architecture 1\
+      -f ${srcdest}lib/$mes_arch/$arch.M1\
+      -f $MES_SEED/$mes_arch/mes.S\
+      -o src/mes.o
+trace "BLOOD_ELF  mes.S" $BLOOD_ELF\
+      -f ${srcdest}lib/$mes_arch/$arch.M1\
+      -f $MES_SEED/$mes_arch/mes.S\
+      -f $MES_SEED/$mes_arch/libc.S\
+        -o src/mes.S.blood-elf
+trace "M1         mes.blood-elf" $M1\
+      --LittleEndian\
+      --Architecture 1\
+      -f src/mes.S.blood-elf\
+      -o src/mes.o.blood-elf
+trace "HEX2       mes.o" $HEX2\
+      $HEX2FLAGS\
+      -f ${srcdest}lib/$mes_arch/elf$bits-header.hex2\
+      -f lib/$mes_arch/crt1.o\
+      -f lib/$mes_arch/libc.o\
+      -f src/mes.o\
+      -f src/mes.o.blood-elf\
+      --exec_enable\
+      -o src/${mes_program_prefix}mes
+#cp src/${mes_program_prefix}mes src/${program_prefix}mes
+trace "M1         libc+tcc.S" $M1\
+      $M1FLAGS\
+      -f ${srcdest}lib/$mes_arch/$arch.M1\
+      -f $MES_SEED/$mes_arch/libc+tcc.S\
+      -o lib/$mes_arch/libc+tcc.o
+trace "M1         libc+gnu.S" $M1\
+      $M1FLAGS\
+      -f ${srcdest}lib/$mes_arch/$arch.M1\
+      -f $MES_SEED/$mes_arch/libc+gnu.S\
+      -o lib/$mes_arch/libc+gnu.o
--- a/build-aux/build-cc32.sh
+++ b/build-aux/build-cc32.sh
@ -1,59 +0,0 @@
-#! /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}
-
-##moduledir=${moduledir-${datadir}${datadir:+/}module}
-
-sh ${srcdest}build-aux/snarf.sh --mes
-
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/linux/x86-mes-gcc/crt0
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/linux/x86-mes-gcc/crt1
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/linux/x86-mes-gcc/crti
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/linux/x86-mes-gcc/crtn
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libc-mini
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libc
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libc+tcc
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libtcc1
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libc+gnu
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libg
-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc32-mes.sh lib/libgetopt
-
-LIBC= sh ${srcdest}build-aux/cc32-mes.sh scaffold/main
-LIBC=c-mini sh ${srcdest}build-aux/cc32-mes.sh scaffold/hello
-LIBC=c-mini sh ${srcdest}build-aux/cc32-mes.sh scaffold/argv
-sh ${srcdest}build-aux/cc32-mes.sh scaffold/read
-sh ${srcdest}build-aux/cc32-mes.sh scaffold/malloc
-sh ${srcdest}build-aux/cc32-mes.sh scaffold/micro-mes
-sh ${srcdest}build-aux/cc32-mes.sh scaffold/tiny-mes
-sh ${srcdest}build-aux/cc32-mes.sh scaffold/mini-mes
-
-sh ${srcdest}build-aux/cc32-mes.sh src/mes
-
-if [ "$CC32" = "$TCC" ]; then
-    cp src/mes.mes-tcc-out src/mes
-else
-    cp src/mes.mes-gcc-out src/mes
-fi
--- a/build-aux/build-cc64.sh
+++ b/build-aux/build-cc64.sh
@ -1,54 +0,0 @@
-#! /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
-sh ${srcdest}build-aux/snarf.sh --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.x86_64-mes-gcc-out src/mes
--- a/build-aux/build-guile.sh
+++ b/build-aux/build-guile.sh
@ -18,12 +18,12 @@
 # You should have received a copy of the GNU General Public License
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

-. ${srcdest}build-aux/trace.sh
+if [ ! "$config_status" ]; then
+    . ./config.status
+fi

-export GUILE
-export GUILE_AUTO_COMPILE
-GUILE=${GUILE-$(command -v guile)}
-GUILE_TOOLS=${GUILE_TOOLS-$(command -v guile-tools)}
+. ${srcdest}build-aux/config.sh
+. ${srcdest}build-aux/trace.sh
 GUILE_AUTO_COMPILE=0

 set -e
@ -58,12 +58,10 @@ if [ "$GUILE_EFFECTIVE_VERSION" = "2.0" ]; then
    srcdest=$abs_top_srcdir/
 fi

-GUILE_AUTO_COMPILE=0
-
 for i in $SCM_FILES $SCRIPTS; do
    b=$(basename $i)
    go=${i%%.scm}.go
    if [ $i -nt $go ]; then
-        trace "GUILEC     $b" $GUILE_TOOLS compile -L ${srcdest}module -L ${srcdest}build-aux -L ${srcdest}scripts -o $go $i
+        trace "GUILEC     $b" $GUILD compile -L ${srcdest}module -L ${srcdest}build-aux -L ${srcdest}scripts -o $go $i
    fi
 done
--- a/build-aux/build-mes.sh
+++ b/build-aux/build-mes.sh
@ -1,7 +1,7 @@
 #! /bin/sh

 # GNU Mes --- Maxwell Equations of Software
-# Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+# Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 #
 # This file is part of GNU Mes.
 #
@ -18,134 +18,65 @@
 # You should have received a copy of the GNU General Public License
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

-. ${srcdest}build-aux/config.sh
-. ${srcdest}build-aux/trace.sh
-
-GUILE=${GUILE-guile}
-if [ -z "$GUILE" -o "$GUILE" = "true" ] || ! command -v $GUILE > /dev/null; then
-    GUILE=src/mes
-fi
-
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-MES=${MES-$(command -v mes)}
-[ -z "$MES" ] && MES=src/mes
-
 set -e

-trace "HEX2       0exit-42" $HEX2\
-    --LittleEndian\
-    --Architecture 1\
-    --BaseAddress 0x1000000\
-    -f ${srcdest}lib/x86-mes/elf32-0header.hex2\
-    -f ${srcdest}lib/x86-mes/elf32-body-exit-42.hex2\
-    -f ${srcdest}lib/x86-mes/elf-0footer.hex2\
-    --exec_enable\
-    -o lib/x86-mes/0exit-42.x86-out
-
-trace "TEST       lib/x86-mes/0exit-42.x86-out" echo lib/x86-mes/0exit-42.x86-out
-{ set +e; lib/x86-mes/0exit-42.x86-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
-
-trace "HEX2       0exit-42" $HEX2\
-    --LittleEndian\
-    --Architecture 1\
-    --BaseAddress 0x1000000\
-    -f ${srcdest}lib/x86-mes/elf32-header.hex2\
-    -f ${srcdest}lib/x86-mes/elf32-body-exit-42.hex2\
-    -f ${srcdest}lib/x86-mes/elf32-footer-single-main.hex2\
-    --exec_enable\
-    -o lib/x86-mes/exit-42.x86-out
-
-trace "TEST       lib/x86-mes/exit-42.x86-out" echo lib/x86-mes/exit-42.x86-out
-{ set +e; lib/x86-mes/exit-42.x86-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
-
-if [ -d "$MES_SEED" ]; then
-    mkdir -p lib/x86-mes
-    trace "M1         crt1.S" $M1\
-        $M1FLAGS\
-        -f ${srcdest}lib/x86-mes/x86.M1\
-        -f $MES_SEED/x86-mes/crt1.S\
-        -o lib/x86-mes/crt1.o
-    trace "M1         libc.S" $M1\
-        $M1FLAGS\
-        -f ${srcdest}lib/x86-mes/x86.M1\
-        -f $MES_SEED/x86-mes/libc.S\
-        -o lib/x86-mes/libc.o
-    trace "M1         mes.S" $M1\
-        --LittleEndian\
-        --Architecture 1\
-        -f ${srcdest}lib/x86-mes/x86.M1\
-        -f $MES_SEED/x86-mes/mes.S\
-        -o src/mes.o
-    trace "BLOOD_ELF  mes.S" $BLOOD_ELF\
-        -f ${srcdest}lib/x86-mes/x86.M1\
-        -f $MES_SEED/x86-mes/mes.S\
-        -f $MES_SEED/x86-mes/libc.S\
-        -o src/mes.S.blood-elf
-    trace "M1         mes.blood-elf" $M1\
-        --LittleEndian\
-        --Architecture 1\
-        -f src/mes.S.blood-elf\
-        -o src/mes.o.blood-elf
-    trace "HEX2       mes.o" $HEX2\
-        $HEX2FLAGS\
-        -f ${srcdest}lib/x86-mes/elf32-header.hex2\
-        -f lib/x86-mes/crt1.o\
-        -f lib/x86-mes/libc.o\
-        -f src/mes.o\
-        -f src/mes.o.blood-elf\
-        --exec_enable\
-        -o src/mes.seed-out
-    cp src/mes.seed-out src/mes
-    trace "M1         libc+tcc.S" $M1\
-        $M1FLAGS\
-        -f ${srcdest}lib/x86-mes/x86.M1\
-        -f $MES_SEED/x86-mes/libc+tcc.S\
-        -o lib/x86-mes/libc+tcc.o
+if [ ! "$config_status" ]; then
+    . ./config.status
 fi

-PREPROCESS=1
-if [ ! -d "$MES_SEED" ] \
-       && [ "$arch" = "i386" \
-            -o "$arch" = "i586" \
-            -o "$arch" = "i686" ]; then
-    MES_ARENA=100000000
-fi
+. ${srcdest}build-aux/config.sh
+. ${srcdest}build-aux/trace.sh
+. ${srcdest}build-aux/cc.sh

-MES_ARENA=100000000
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-mes.sh lib/linux/x86-mes/crt1
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-mes.sh lib/libc-mini
-MES_LIBS='-l c-mini' PREPROCESS= bash ${srcdest}build-aux/cc-mes.sh lib/x86-mes/exit-42
+[ "$mes_p" ] && (program_prefix= compile lib/linux/$mes_arch/crt1)
+[ "$mes_p" -a ! "$gcc_p" ] && cp -f lib/linux/$mes_arch/crt1.S lib/$mes_arch/crt1.S
+[ "$mes_p" -a ! "$gcc_p" ] && cp -f lib/linux/$mes_arch/crt1.o lib/$mes_arch/crt1.o

-trace "TEST       lib/x86-mes/exit-42.mes-out" echo lib/x86-mes/exit-42.mes-out
-{ set +e; lib/x86-mes/exit-42.mes-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
+[ ! "$mesc_p" -a ! "$posix_p" ] && (program_prefix= compile lib/linux/$mes_arch/crt0)
+[ "$mes_p" -a "$gcc_p" ] && (program_prefix= compile lib/linux/$mes_arch/crti)
+[ "$mes_p" -a "$gcc_p" ] && (program_prefix= compile lib/linux/$mes_arch/crtn)

-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-mes.sh lib/libc
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-mes.sh lib/libc+tcc
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-mes.sh lib/libc+gnu
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-mes.sh lib/libgetopt
+[ ! "$mes_p" -a ! "$mesc_p" ] && compile lib/libmes
+[ ! "$mes_p" -a ! "$mesc_p" ] && archive lib/libmes

-MES_ARENA=${MES_ARENA-100000000}
-sh ${srcdest}build-aux/snarf.sh --mes
+[ "$mes_p" ] && compile lib/libc-mini
+[ "$mes_p" ] && archive lib/libc-mini

-if [ -n "$SEED" ]; then
-    bash ${srcdest}build-aux/cc-mes.sh src/mes
-    exit 0
-fi
+[ "$mes_p" ] && compile lib/libc
+[ "$mes_p" ] && archive lib/libc

-MES_LIBS='-l none' bash ${srcdest}build-aux/cc-mes.sh scaffold/main
+[ "$mes_p"  ] && compile lib/libc+tcc
+[ "$mes_p"  ] && archive lib/libc+tcc

-trace "TEST       scaffold/main.mes-out" echo scaffold/main.mes-out
-{ set +e; scaffold/main.mes-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
+[ "$mes_p" ] && compile lib/libc+gnu
+[ "$mes_p" ] && archive lib/libc+gnu

-MES_LIBS='-l c-mini' bash ${srcdest}build-aux/cc-mes.sh scaffold/hello
-MES_LIBS='-l c-mini' bash ${srcdest}build-aux/cc-mes.sh scaffold/argv
-bash ${srcdest}build-aux/cc-mes.sh scaffold/malloc
-##sh ${srcdest}build-aux/cc-mes.sh scaffold/micro-mes
-##sh ${srcdest}build-aux/cc-mes.sh scaffold/tiny-mes
-# bash ${srcdest}build-aux/cc-mes.sh scaffold/mini-mes
-bash ${srcdest}build-aux/cc-mes.sh src/mes
-cp src/mes.mes-out src/mes
+[ "$mes_p" -a ! "$mesc_p" ] && compile lib/libtcc1
+[ "$mes_p" -a ! "$mesc_p" ] && archive lib/libtcc1
+
+[ "$mes_p" -a ! "$mesc_p" ] && compile lib/libg
+[ "$mes_p" -a ! "$mesc_p" ] && archive lib/libg
+
+[ "$mes_p" -a ! "$mesc_p" ] && compile lib/libgetopt
+[ "$mes_p" -a ! "$mesc_p" ] && archive lib/libgetopt
+
+compile scaffold/main
+(libc= link scaffold/main)
+
+compile scaffold/hello
+(libc="-l c-mini" link scaffold/hello)
+
+compile scaffold/argv
+(libc="-l c-mini" link scaffold/argv)
+
+[ "$mes_p" ] && compile scaffold/malloc
+[ "$mes_p" ] && link scaffold/malloc
+[ "$mes_p" ] && compile scaffold/micro-mes
+[ "$mes_p" ] && link scaffold/micro-mes
+[ "$mes_p" ] && compile scaffold/tiny-mes
+[ "$mes_p" ] && link scaffold/tiny-mes
+[ "$mes_p" ] && compile scaffold/mini-mes
+[ "$mes_p" ] && link scaffold/mini-mes
+
+compile src/mes
+link src/mes
--- a/build-aux/build-x86_64-mes.sh
+++ b/build-aux/build-x86_64-mes.sh
@ -1,147 +0,0 @@
-#! /bin/sh
-
-# GNU Mes --- Maxwell Equations of Software
-# Copyright © 2017,2018 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/>.
-
-. ${srcdest}build-aux/config.sh
-. ${srcdest}build-aux/trace.sh
-
-GUILE=${GUILE-guile}
-if [ -z "$GUILE" -o "$GUILE" = "true" ] || ! command -v $GUILE > /dev/null; then
-    GUILE=src/mes
-fi
-
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-MES=${MES-$(command -v mes)}
-[ -z "$MES" ] && MES=src/mes
-
-set -e
-
-trace "HEX2       0exit-42" $HEX2\
-    --LittleEndian\
-    --Architecture 2\
-    --BaseAddress 0x1000000\
-    -f ${srcdest}lib/x86_64-mes/elf64-0header.hex2\
-    -f ${srcdest}lib/x86_64-mes/elf64-body-exit-42.hex2\
-    -f ${srcdest}lib/x86_64-mes/elf-0footer.hex2\
-    --exec_enable\
-    -o lib/x86_64-mes/0exit-42.x86_64-out
-
-trace "TEST       lib/x86_64-mes/0exit-42.x86_64-out" echo lib/x86_64-mes/0exit-42.x86_64-out
-{ set +e; lib/x86_64-mes/0exit-42.x86_64-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
-
-trace "HEX2       0exit-42" $HEX2\
-    --LittleEndian\
-    --Architecture 2\
-    --BaseAddress 0x1000000\
-    -f ${srcdest}lib/x86_64-mes/elf64-header.hex2\
-    -f ${srcdest}lib/x86_64-mes/elf64-body-exit-42.hex2\
-    -f ${srcdest}lib/x86_64-mes/elf64-footer-single-main.hex2\
-    --exec_enable\
-    -o lib/x86_64-mes/exit-42.x86_64-out
-
-trace "TEST       lib/x86_64-mes/exit-42.x86_64-out" echo lib/x86_64-mes/exit-42.x86_64-out
-{ set +e; lib/x86_64-mes/exit-42.x86_64-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
-
-if [ -d "$MES_SEED" ]; then
-    mkdir -p lib/x86_64-mes
-    trace "M1         crt1.S" $M1\
-        $M1FLAGS\
-        -f ${srcdest}lib/x86_64-mes/x86_64.M1\
-        -f $MES_SEED/x86_64-mes/crt1.S\
-        -o lib/x86_64-mes/crt1.o
-    trace "M1         libc.S" $M1\
-        $M1FLAGS\
-        -f ${srcdest}lib/x86_64-mes/x86_64.M1\
-        -f $MES_SEED/x86_64-mes/libc.S\
-        -o lib/x86_64-mes/libc.o
-    trace "M1         mes.S" $M1\
-        --LittleEndian\
-        --Architecture 2\
-        -f ${srcdest}lib/x86_64-mes/x86_64.M1\
-        -f $MES_SEED/x86_64-mes/mes.S\
-        -o src/mes.o
-    trace "BLOOD_ELF  mes.S" $BLOOD_ELF\
-        -f ${srcdest}lib/x86_64-mes/x86_64.M1\
-        -f $MES_SEED/x86_64-mes/mes.S\
-        -f $MES_SEED/x86_64-mes/libc.S\
-        -o src/mes.S.blood-elf
-    trace "M1         mes.blood-elf" $M1\
-        --LittleEndian\
-        --Architecture 2\
-        -f src/mes.S.blood-elf\
-        -o src/mes.o.blood-elf
-    trace "HEX2       mes.o" $HEX2\
-        $HEX2FLAGS\
-        -f ${srcdest}lib/x86_64-mes/elf64-header.hex2\
-        -f lib/x86_64-mes/crt1.o\
-        -f lib/x86_64-mes/libc.o\
-        -f src/mes.o\
-        -f src/mes.o.blood-elf\
-        --exec_enable\
-        -o src/mes.seed-out
-    cp src/mes.seed-out src/mes
-    trace "M1         libc+tcc.S" $M1\
-        $M1FLAGS\
-        -f ${srcdest}lib/x86_64-mes/x86_64.M1\
-        -f $MES_SEED/x86_64-mes/libc+tcc.S\
-        -o lib/x86_64-mes/libc+tcc.o
-fi
-
-
-PREPROCESS=1
-MES_ARENA=100000000
-
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/linux/x86_64-mes/crt1
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/libc-mini
-MES_LIBS='-l c-mini' PREPROCESS= bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/x86_64-mes/exit-42
-
-trace "TEST       lib/x86_64-mes/exit-42.x86_64-mes-out" echo lib/x86_64-mes/exit-42.x86_64-mes-out
-{ set +e; lib/x86_64-mes/exit-42.x86_64-mes-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
-
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/libc
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/libc+tcc
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/libc+gnu
-ARCHDIR=1 NOLINK=1 bash ${srcdest}build-aux/cc-x86_64-mes.sh lib/libgetopt
-
-MES_ARENA=${MES_ARENA-100000000}
-sh ${srcdest}build-aux/snarf.sh --mes
-
-if [ -n "$SEED" ]; then
-    bash ${srcdest}build-aux/cc-mes.sh src/mes
-    exit 0
-fi
-
-MES_LIBS='-l none' bash ${srcdest}build-aux/cc-x86_64-mes.sh scaffold/main
-
-trace "TEST       scaffold/main.x86_64-mes-out" echo scaffold/main.x86_64-mes-out
-{ set +e; scaffold/main.x86_64-mes-out; r=$?; set -e; }
-[ $r != 42 ] && echo "  => $r" && exit 1
-
-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
-bash ${srcdest}build-aux/cc-x86_64-mes.sh src/mes
-# not yet, broken
-# cp src/mes.x86_64-mes-out src/mes
--- a/build-aux/build.sh.in
+++ b/build-aux/build.sh.in
@ -1,7 +1,7 @@
-#! @BASH@
+#! /bin/sh

 # GNU Mes --- Maxwell Equations of Software
-# Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+# Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 #
 # This file is part of GNU Mes.
 #
@ -18,42 +18,43 @@
 # You should have received a copy of the GNU General Public License
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

-srcdest="@srcdest@"
-srcdir="@srcdir@"
-abs_top_srcdir="@abs_top_srcdir@"
-abs_top_builddir="@abs_top_builddir@"
-prefix=${prefix-@prefix@}
-VERSION=${VERSION-@VERSION@}
-arch=${arch-@arch@}
+set -e

+. ./config.status
 . ${srcdest}build-aux/config.sh
-. ${srcdest}build-aux/trace.sh
-
-MES_SEED=${MES_SEED-../mes-seed}
-GUILE=${GUILE-$(command -v guile)}
-MES_ARENA=${MES_ARENA-100000000}

 if [ -n "$GUILE" -a "$GUILE" != true ]; then
    sh ${srcdest}build-aux/build-guile.sh
 fi

-if [ -n "$CC" ]; then
-    sh ${srcdest}build-aux/build-cc.sh
+if [ ! "$mes_p" ]; then
+    sh ${srcdest}build-aux/snarf.sh
+#elif [ ! -d "$MES_SEED" ]; then
+#else
+fi
+sh ${srcdest}build-aux/snarf.sh --mes
+
+if [ "$gcc_p$tcc_p" ]; then
+    sh ${srcdest}build-aux/build-mes.sh
+elif [ -d "$MES_SEED" ]; then
+    sh ${srcdest}build-aux/bootstrap-mes.sh
 fi

-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 ${srcdest}build-aux/build-cc32.sh
-fi
+## FIXME: remove this and have user configure/build/install for each compiler?
+unset CFLAGS CPPFLAGS LDFLAGS gcc_p tcc_p posix_p
+MES=guile
+mesc_p=1
+mes_p=1
+mes_arch=x86-mes
+program_prefix=$mes_arch-
+CC="./pre-inst-env mescc"

 sh ${srcdest}build-aux/build-mes.sh
-if [ "$arch" = x86_64 -a "$GUILE" ]; then
-    MES=$GUILE sh ${srcdest}build-aux/build-x86_64-mes.sh
+cp src/${program_prefix}mes src/mes
+
+if [ "$arch" = x86_64 ]; then
+    MES_CFLAGS='-m 64'
+    mes_arch=x86_64-mes
+    program_prefix=$mes_arch-
+    sh ${srcdest}build-aux/build-mes.sh
 fi
--- a/build-aux/cc-mes.sh
+++ b/build-aux/cc-mes.sh
@ -1,67 +0,0 @@
-#! /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
-. ${srcdest}build-aux/trace.sh
-
-MESCC=${MESCC-$(command -v mescc)}
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-MES=${MES-$(command -v mes)}
-[ -z "$MES" ] && MES=src/mes
-
-if [ "$V" = 2 ]; then
-    MES_CFLAGS="$MES_CFLAGS -v"
-fi
-
-c=$1
-
-set -e
-
-if [ -z "$ARCHDIR" ]; then
-    o="$c"
-    d=${c%%/*}
-    p="mes-"
-else
-    b=${c##*/}
-    d=${c%%/*}/x86-mes
-    o="$d/$b"
-fi
-mkdir -p $d
-
-if [ -n "$PREPROCESS" ]; then
-    trace "CPP.mes    $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES_CFLAGS -E -o "$o.E" "${srcdest}$c".c
-    trace "CC.mes     $c.E" ./pre-inst-env bash $MESCC $MES_CFLAGS -S "$o".E
-    trace "AS.mes     $c.S" ./pre-inst-env bash $MESCC $MES_CFLAGS -c -o "$o".${p}o "$o".S
-    if [ -z "$NOLINK" ]; then
-        trace "LD.mes     $c.o" ./pre-inst-env bash $MESCC $MES_CFLAGS -o "$o".${p}out "$o".${p}o $MES_LIBS
-    fi
-elif [ -n "$COMPILE" ]; then
-    trace "CC.mes     $c.c" trace "MESCC $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES_CFLAGS -S -o "$o.S" "${srcdest}$c".c
-    trace "AS.mes     $c.S" ./pre-inst-env bash $MESCC $MES_CFLAGS -c -o "$o".${p}o "$o".S
-    if [ -z "$NOLINK" ]; then
-        trace "LD.mes     $c.o" ./pre-inst-env bash $MESCC $MES_CFLAGS -o "$o".${p}out "$o".${p}o $MES_LIBS
-    fi
-elif [ -z "$NOLINK" ]; then
-    trace "CC.mes     $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES_CFLAGS -o "$o".${p}out "${srcdest}$c".c $MES_LIBS
-else
-   trace "CC.mes     $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES_CFLAGS -c -o "$o".${p}o "${srcdest}$c".c
-fi
--- a/build-aux/cc-x86_64-mes.sh
+++ b/build-aux/cc-x86_64-mes.sh
@ -1,67 +0,0 @@
-#! /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
-. ${srcdest}build-aux/trace.sh
-
-MESCC=${MESCC-$(command -v mescc)}
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-MES=${MES-$(command -v mes)}
-[ -z "$MES" ] && MES=src/mes
-
-if [ "$V" = 2 ]; then
-    MES64_CFLAGS="$MES64_CFLAGS -v"
-fi
-
-c=$1
-
-set -e
-
-if [ -z "$ARCHDIR" ]; then
-    o="$c"
-    d=${c%%/*}
-    p="x86_64-mes-"
-else
-    b=${c##*/}
-    d=${c%%/*}/x86_64-mes
-    o="$d/$b"
-fi
-mkdir -p $d
-
-if [ -n "$PREPROCESS" ]; then
-    trace "CPP.mes64  $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES64_CFLAGS -E -o "$o.${p}E" "${srcdest}$c".c
-    trace "CC.mes64   $c.E" ./pre-inst-env bash $MESCC $MES64_CFLAGS -S -o "$o".${p}S "$o".${p}E
-    trace "AS.mes64   $c.S" ./pre-inst-env bash $MESCC $MES64_CFLAGS -c -o "$o".${p}o "$o".${p}S
-    if [ -z "$NOLINK" ]; then
-        trace "LD.mes64   $c.o" ./pre-inst-env bash $MESCC $MES64_CFLAGS -o "$o".${p}out "$o".${p}o $MES_LIBS
-    fi
-elif [ -n "$COMPILE" ]; then
-    trace "CC.mes64   $c.c" trace "MESCC $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES64_CFLAGS -S -o "$o".${p}S "${srcdest}$c".c
-    trace "AS.mes64   $c.S" ./pre-inst-env bash $MESCC $MES64_CFLAGS -c -o "$o".${p}o "$o".${p}S
-    if [ -z "$NOLINK" ]; then
-        trace "LD.mes64   $c.o" ./pre-inst-env bash $MESCC $MES64_CFLAGS -o "$o".${p}out "$o".${p}o $MES_LIBS
-    fi
-elif [ -z "$NOLINK" ]; then
-    trace "CC.mes64   $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES64_CFLAGS -o "$o".${p}out "${srcdest}$c".c $MES_LIBS
-else
-   trace "CC.mes64   $c.c" ./pre-inst-env bash $MESCC $MES_CPPFLAGS $MES64_CFLAGS -c -o "$o".${p}o "${srcdest}$c".c
-fi
--- a/build-aux/cc.sh
+++ b/build-aux/cc.sh
@ -1,5 +1,3 @@
-#! /bin/sh
-
 # GNU Mes --- Maxwell Equations of Software
 # Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 #
@ -18,42 +16,32 @@
 # 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
+compile () {
+    flags=
+    [ "$mesc_p" ] && flags="$LDFLAGS $MES_CFLAGS"
+    trace "CC         $1.c" $CC -c $CPPFLAGS $CFLAGS $flags -o "$1".${program_prefix}o "${srcdest}$1".c
+}

-. ${srcdest}build-aux/trace.sh
-. ${srcdest}build-aux/config.sh
-
-c=$1
-
-if [ -z "$ARCHDIR" ]; then
-    o="$c"
-    d=${c%%/*}
-    p="gcc-"
-else
-    b=${c##*/}
-    d=${c%/*}/gcc
-    o="$d/$b"
-fi
+archive () {
+    l=$1
+    shift
+    objects=$(for i in $@; do echo $i.${program_prefix}o; done)
+    [ -z "$objects" ] && objects=$l.${program_prefix}o
+    out=$(dirname "$l")/$mes_arch/$(basename "$l").a
+    d=$(dirname $out)
    mkdir -p $d
-
-trace "CC         $c.c" $CC\
-    -c\
-    $CC_CPPFLAGS\
-    $CPPFLAGS\
-    $CC_CFLAGS\
-    $CFLAGS\
-    -D WITH_GLIBC=1\
-    -D POSIX=1\
-    -o "$o".${p}o\
-    "${srcdest}$c".c
-
-if [ -z "$NOLINK" ]; then
-    trace "CCLD       "$o".${p}out" $CC\
-        $CC_CPPFLAGS\
-        $CPPFLAGS\
-        $CC_CFLAGS\
-        $CFLAGS\
-        -o "$o".${p}out\
-        "$o".${p}o\
-        lib/gcc/libmes.o
+    if [ "$mesc_p" ]; then
+        trace "AR         $l.a" mv $l.${program_prefix}o $(dirname $l)/$mes_arch/$(basename $l).o\
+            && mv $l.${program_prefix}S $(dirname $l)/$mes_arch/$(basename $l).S
+    else
+        trace "AR         $l.a" $AR cr $out $objects\
+            && mv $objects $d
    fi
+}
+
+link () {
+    lib=$libc
+    [ "$posix_p" ] && lib='-l mes'
+    out=$(dirname "$1")/${program_prefix}$(basename "$1")
+    trace "CCLD       $1" $CC $CFLAGS $LDFLAGS -o" $out" $crt1 "$1".${program_prefix}o $2 $lib
+}
--- a/build-aux/cc32-mes.sh
+++ b/build-aux/cc32-mes.sh
@ -1,65 +0,0 @@
-#! /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
-. ${srcdest}build-aux/trace.sh
-
-a=mes-gcc
-if [ "$CC32" = "$TCC" ]; then
-    a=mes-tcc
-    LIBC=c+tcc # tcc bug with undefined symbols
-fi
-arch=x86-$a
-
-if [ -n "$LIBC" ]; then
-    CC32LIBS="lib/$arch/lib$LIBC.o"
-fi
-
-c=$1
-
-if [ -z "$ARCHDIR" ]; then
-    o="$c"
-    d=${c%%/*}
-    p="$a-"
-else
-    b=${c##*/}
-    d=${c%%/*}/$arch
-    o="$d/$b"
-fi
-mkdir -p $d
-
-trace "CC.32      $c.c" $CC32\
-    -c\
-    $CC32_CPPFLAGS\
-    $CC32_CFLAGS\
-    -o "$o".${p}o\
-    "${srcdest}$c".c
-
-if [ -z "$NOLINK" ]; then
-    trace "CCLD.32    $c.c" $CC32\
-        $CC32_CPPFLAGS\
-        $CC32_CFLAGS\
-        -o "$o".${p}out\
-        lib/$arch/crt1.o\
-        "$o".${p}o\
-        $CC32LIBS
-fi
--- a/build-aux/cc64-mes.sh
+++ b/build-aux/cc64-mes.sh
@ -1,64 +0,0 @@
-#! /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
-. ${srcdest}build-aux/trace.sh
-
-arch=x86_64-mes-gcc
-if [ "$CC64" = "$TCC" ]; then
-    arch=x86_64-mes-tcc
-    LIBC=c+tcc # tcc bug with undefined symbols
-fi
-
-if [ -n "$LIBC" ]; then
-    CC64LIBS="lib/$arch/lib$LIBC.o"
-fi
-
-c=$1
-
-if [ -z "$ARCHDIR" ]; then
-    o="$c"
-    d=${c%%/*}
-    p="$arch-"
-else
-    b=${c##*/}
-    d=${c%%/*}/$arch
-    o="$d/$b"
-fi
-mkdir -p $d
-
-trace "CC.64      $c.c" $CC64\
-    -c\
-    $CC64_CPPFLAGS\
-    $CC64_CFLAGS\
-    -o "$o".${p}o\
-    "${srcdest}$c".c
-
-if [ -z "$NOLINK" ]; then
-    trace "CCLD.64    $c.c" $CC64\
-        $CC64_CPPFLAGS\
-        $CC64_CFLAGS\
-        -o "$o".${p}out\
-        lib/$arch/crt1.o\
-        "$o".${p}o\
-        $CC64LIBS
-fi
--- a/build-aux/check-boot.sh
+++ b/build-aux/check-boot.sh
@ -20,17 +20,10 @@

 set -e

+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

-export GUILE MES
-MES=${MES-./src/mes}
-
-GUILE=${GUILE-guile}
-if ! command -v $GUILE > /dev/null; then
-    GUILE=true
-fi
-
 tests="

 00-zero.scm
@ -120,18 +113,17 @@ for i in $tests; do
        echo ' [SKIP]'
        continue;
    fi
-    trace "TEST       $i.guile" $GUILE -L ${srcdest}module -C module -L . <(echo '(use-modules (mes guile))'; cat scaffold/boot/$i)
    x=$(
-        if [ "$MES" = guile ]; then
-            true
+        if [ "$MES" = guile -o "$(basename $MES)" = guile ]; then
+            trace "TEST       $i.guile" $GUILE -L ${srcdest}module -C module -L . <(echo '(use-modules (mes guile))'; cat scaffold/boot/$i)
        elif [ -z "${i/5[0-9]-*/}" ]; then
-            cat scaffold/boot/$i | MES_BOOT=${srcdest}boot-00.scm $MES 2>&1;
+            cat scaffold/boot/$i | MES_BOOT=${srcdest}boot-00.scm trace "TEST       $i" $MES 2>&1;
        elif [ -z "${i/6[0-9]-*/}" ]; then
-            cat scaffold/boot/$i | MES_BOOT=${srcdest}boot-01.scm $MES 2>&1;
+            cat scaffold/boot/$i | MES_BOOT=${srcdest}boot-01.scm trace "TEST       $i" $MES 2>&1;
        else
-            MES_BOOT=${srcdest}scaffold/boot/$i $MES 2>&1;
+            MES_BOOT=${srcdest}scaffold/boot/$i trace "TEST       $i" $MES 2>&1;
        fi
     ) \
-        && echo ' [PASS]' \
+        && echo ' [OK]' \
        || (r=$?; echo ' [FAIL]'; echo -e "$x"; echo scaffold/boot/$i; exit $r)
 done
--- a/build-aux/check-mes.sh
+++ b/build-aux/check-mes.sh
@ -20,17 +20,10 @@

 set -e

+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

-if [ "$MES" = guile ]; then
-    mes=guile-
-fi
-BASH=${BASH-bash}
-GUILE=${GUILE-guile}
-MES=${MES-src/mes}
-MES_ARENA=${MES_ARENA-100000000}
-
 tests="
 tests/boot.test
 tests/read.test
--- a/build-aux/check-mescc.sh
+++ b/build-aux/check-mescc.sh
@ -19,31 +19,11 @@
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

 set -e
+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

-MES=${MES-src/mes}
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-GUILE=${GUILE-guile}
-MES_PREFIX=${MES_PREFIX-mes}
-
-HEX2=${HEX2-hex2}
-M1=${M1-M1}
-BLOOD_ELF=${BLOOD_ELF-blood-elf}
-MES_SEED=${MES_SEED-../mes-seed}
-MESCC=${MESCC-$(command -v mescc)}
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-MES=${MES-$(command -v mes)}
-[ -z "$MES" ] && MES=src/mes
-
-if ! command -v $GUILE > /dev/null; then
-    GUILE=true
-fi
-
 test_sh=${test_sh-${srcdest}build-aux/test.sh}
-if [ "$arch" = "x86_64-mes" ]; then
-    test_sh=${srcdest}build-aux/test64.sh
-fi

 tests="
 t
@ -237,8 +217,18 @@ a0-call-trunc-int
 a0-math-divide-signed-negative
 "

-# gcc not supported
-CC=
+if [ "$mes_arch" = "x86_64-gcc" ]; then
+    broken="$broken
+21-char[]
+41-?
+70-printf-stdarg
+70-printf-simple
+70-printf
+80-setjmp
+a1-global-no-align
+"
+fi
+
 set +e
 expect=$(echo $broken | wc -w)
 pass=0
@ -247,20 +237,15 @@ total=0
 mkdir -p scaffold/tests
 for t in $tests; do
    if [ -z "${t/[012][0-9]-*/}" ]; then
-        LIBC=
-        MES_LIBS="-l none"
+        libc=
    elif [ -z "${t/[34][0-9]-*/}" ]; then
-        LIBC=c-mini
-        MES_LIBS="-l c-mini"
+        libc='-l c-mini'
    elif [ -z "${t/[78][0-9a-z]-*/}" ]; then
-        LIBC=c+tcc
-        MES_LIBS="-l c+tcc"
-    elif [ -z "${t/9[0-9]-*/}" ]; then
-        LIBC=c+gnu
-        MES_LIBS="-l c+gnu"
+        libc='-l c+tcc'
+    elif [ -z "${t/9[0-9a-z]-*/}" ]; then
+        libc='-l c+gnu'
    else
-        LIBC=c
-        MES_LIBS=
+        libc='-l c'
    fi
    sh $test_sh "scaffold/tests/$t" &> scaffold/tests/"$t".log
    r=$?
--- a/build-aux/check-tcc.sh
+++ b/build-aux/check-tcc.sh
@ -19,27 +19,10 @@
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

 set -e
+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

-MES=${MES-src/mes}
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-GUILE=${GUILE-guile}
-MES_PREFIX=${MES_PREFIX-mes}
-
-HEX2=${HEX2-hex2}
-M1=${M1-M1}
-BLOOD_ELF=${BLOOD_ELF-blood-elf}
-MES_SEED=${MES_SEED-../mes-seed}
-MESCC=${MESCC-$(command -v mescc)}
-[ -z "$MESCC" ] && MESCC=scripts/mescc
-MES=${MES-$(command -v mes)}
-[ -z "$MES" ] && MES=src/mes
-
-if ! command -v $GUILE > /dev/null; then
-    GUILE=true
-fi
-
 tests="
 00_assignment
 01_comment
--- a/build-aux/check.sh.in
+++ b/build-aux/check.sh.in
@ -20,34 +20,13 @@

 set -e

-srcdest="@srcdest@"
-srcdir="@srcdir@"
-abs_top_srcdir="@abs_top_srcdir@"
-abs_top_builddir="@abs_top_builddir@"
-prefix=${prefix-@prefix@}
-
+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

-GUILE=${GUILE-guile}
-MES=${MES-src/mes}
-MES_ARENA=${MES_ARENA-100000000}
-TCC_PREFIX=${TCC_PREFIX-${srcdest}../tinycc}
-
-if ! command -v $GUILE > /dev/null; then
-    GUILE=true
-fi
-
-set -e
-
-if [ "$GUILE" != true ]; then
-    MES=guile bash ${srcdest}build-aux/check-mes.sh
-fi
-if [ "$MES" != guile ]; then
-    bash ${srcdest}build-aux/check-mes.sh
-fi
-bash ${srcdest}build-aux/check-boot.sh
-bash ${srcdest}build-aux/check-mescc.sh
+./pre-inst-env bash ${srcdest}build-aux/check-boot.sh
+./pre-inst-env bash ${srcdest}build-aux/check-mes.sh
+./pre-inst-env bash ${srcdest}build-aux/check-mescc.sh
 if [ -d $TINYCC_PREFIX/tests/tests2 ] ;then
-    bash ${srcdest}build-aux/check-tcc.sh
+    ./pre-inst-env bash ${srcdest}build-aux/check-tcc.sh
 fi
--- a/build-aux/config.make.in
+++ b/build-aux/config.make.in
@ -0,0 +1,72 @@
+# 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/>.
+
+AR:=@AR@
+BASH:=@BASH@
+BLOOD_ELF:=@BLOOD_ELF@
+CC:=@CC@
+DOT:=@DOT@
+GIT:=@GIT@
+GUILD:=@GUILD@
+GUILE:=@GUILE@
+GUILE_EFFECTIVE_VERSION:=@GUILE_EFFECTIVE_VERSION@
+GUIX:=@GUIX@
+HELP2MAN:=@HELP2MAN@
+HEX2:=@HEX2@
+#HEX2FLAGS:=@HEX2FLAGS@
+MAKEINFO:=@MAKEINFO@
+M1:=@M1@
+#M1FLAGS:=@M1FLAGS@
+MES:=@MES@
+MES_FOR_BUILD:=@MES_FOR_BUILD@
+MES_SEED:=@MES_SEED@
+NYACC:=@NYACC@
+PACKAGE:=@PACKAGE@
+PERL:=@PERL@
+TINYCC_PREFIX:=@TINYCC_PREFIX@
+VERSION:=@VERSION@
+
+abs_top_builddir:=@abs_top_builddir@
+abs_top_srcdir:=@abs_top_srcdir@
+arch:=@arch@
+build:=@build@
+host:=@host@
+
+mes_arch:=@mes_arch@
+gcc_p:=@gcc_p@
+mes_p:=@mes_p@
+mesc_p:=@mesc_p@
+tcc_p:=@tcc_p@
+
+prefix:=@prefix@
+
+bindir:=@bindir@
+datadir:=@datadir@
+docdir:=@docdir@
+guile_site_ccache_dir:=@guile_site_ccache_dir@
+guile_site_dir:=@guile_site_dir@
+infodir:=@infodir@
+libdir:=@libdir@
+mandir:=@mandir@
+moduledir:=@moduledir@
+posix_p:=@posix_p@
+program_prefix:=@program_prefix@
+srcdest:=@srcdest@
+srcdir:=@srcdir@
+sysconfdir:=@sysconfdir@
+top_builddir:=@top_builddir@
--- a/build-aux/config.sh
+++ b/build-aux/config.sh
@ -18,60 +18,72 @@

 srcdir=${srcdir-.}
 top_builddir=${top_builddir-.}
+
 if [ "$V" = 2 ]; then
    echo $0
    echo srcdest=${srcdest}
    echo top_builddir=${top_builddir}
 fi

+if [ -n "$mes_p" -a -n "$gcc_p" ]; then
+    crt1=lib/linux/$mes_arch/crt1.o
+fi
+
+MES=${MES-${program_prefix}mes}
+libc=${libc-"-l c"}
+export libc
+
+if [ ! "$CC" ]; then
+    CC="./pre-inst-env mescc"
+fi
+
+export AR
 export CC
-export CC CFLAGS
-export CC32
-export CC32_CPPFLAGS
-export CC64
-export CC64_CPPFLAGS
-export CC_CFLAGS
-export CC_CPPFLAGS
 export CFLAGS
 export CPPFLAGS
+export GUILD
 export GUILE
 export GUILE_LOAD_COMPILED_PATH
 export GUILE_LOAD_PATH
 export HEX2
 export HEX2FLAGS
-export LIBC
 export M1
 export M1FLAGS
 export MES
 export MES_CFLAGS
-export MES_CPPFLAGS
-export MES_LIBS
-export TCC
+export MES_FOR_BUILD
+export MES_SEED
+export MESCC

 export MES_DEBUG
-export MES_SEED
 export MES_ARENA
-export COMPILE
-export PREPROCESS
 export TINYCC_PREFIX
 export V

+export config_status
 export abs_top_builddir
 export abs_top_srcdir
 export arch
 export datadir
 export moduledir
 export prefix
+export program_prefix
 export srcdest
 export srcdir
 export top_builddir

-MESCC=${MESCC-mescc}
-BLOOD_ELF=${BLOOD_ELF-blood-elf}
-HEX2=${HEX2-hex2}
-M1=${M1-M1}
+export bits
+export build
+export host
+export compiler
+export gcc_p
+export mes_p
+export mesc_p
+export tcc_p
+export mes_arch
+export posix_p

-CC_CPPFLAGS=${CC_CPPFLAGS-"
+CPPFLAGS=${CPPFLAGS-"
 -D 'VERSION=\"$VERSION\"'
 -D 'MODULEDIR=\"$moduledir\"'
 -D 'PREFIX=\"$prefix\"'
@ -81,29 +93,35 @@ CC_CPPFLAGS=${CC_CPPFLAGS-"
 -I ${srcdest}include
 "}

-CC_CFLAGS=${CC_CFLAGS-"
+[ "$posix_p" ] && CPPFLAGS="$CPPFLAGS -D POSIX=1 -D WITH_GLIBC=1"
+
+LDFLAGS=${LDFLAGS-"
+-v
+-L lib/linux/$mes_arch
+-L lib/linux
+-L lib/$mes_arch
+-L lib
+"}
+
+if [ -f "$MES_SEED/x86-mes/mes.S" ]; then
+    LDFLAGS="$LDFLAGS
+-L $MES_SEED
+"
+fi
+
+if [ -n "$gcc_p" ]; then
+CFLAGS=${CFLAGS-"
+-v
 --std=gnu99
 -O0
 -g
 "}
+fi

-CC64_CPPFLAGS=${CC64_CPPFLAGS-"
-D 'VERSION=\"$VERSION\"'
-D 'MODULEDIR=\"$moduledir\"'
-D 'PREFIX=\"$prefix\"'
-I src
-I ${srcdest}src
-I ${srcdest}lib
-I ${srcdest}include
-"}
-
-CC64_CFLAGS=${CC64_CFLAGS-"
-std=gnu99
-O0
+if [ "$mes_p" -a "$gcc_p" ]; then
+CFLAGS="$CFLAGS
 -fno-builtin
 -fno-stack-protector
-g
-m64
 -nostdinc
 -nostdlib
 -Wno-discarded-qualifiers
@ -112,59 +130,29 @@ CC64_CFLAGS=${CC64_CFLAGS-"
 -Wno-pointer-sign
 -Wno-int-conversion
 -Wno-incompatible-pointer-types
-"}
-
-CC32_CPPFLAGS=${CC32_CPPFLAGS-"
-D 'VERSION=\"$VERSION\"'
-D 'MODULEDIR=\"$moduledir\"'
-D 'PREFIX=\"$prefix\"'
-I src
-I ${srcdest}src
-I ${srcdest}lib
-I ${srcdest}include
-"}
-
-CC32_CFLAGS=${CC32_CFLAGS-"
-std=gnu99
-O0
-fno-builtin
-fno-stack-protector
-g
-m32
-nostdinc
-nostdlib
-Wno-discarded-qualifiers
-Wno-int-to-pointer-cast
-Wno-pointer-to-int-cast
-Wno-pointer-sign
-Wno-int-conversion
-Wno-incompatible-pointer-types
-"}
-
-MES_CPPFLAGS=${MES_CPPFLAGS-"
-D 'VERSION=\"$VERSION\"'
-D 'MODULEDIR=\"$moduledir\"'
-D 'PREFIX=\"$prefix\"'
-I src
-I ${srcdest}src
-I ${srcdest}lib
-I ${srcdest}include
-"}
-
-MES_CFLAGS=${MES_CFLAGS-"
-"}
-
-MES64_CFLAGS=${MES64_CFLAGS-"
-m64
-"}
-
-M1FLAGS=${M1FLAGS-"
--LittleEndian
--Architecture 1
-"}
+"
+fi

+if [ "$arch" = "x86" ]; then
    HEX2FLAGS=${HEX2FLAGS-"
 --LittleEndian
 --Architecture 1
 --BaseAddress 0x1000000
 "}
+    M1FLAGS=${M1FLAGS-"
+--LittleEndian
+--Architecture 1
+"}
+    bits=32
+elif [ "$arch" = "x86_64" ]; then
+    HEX2FLAGS=${HEX2FLAGS-"
+--LittleEndian
+--Architecture 2
+--BaseAddress 0x1000000
+"}
+    M1FLAGS=${M1FLAGS-"
+--LittleEndian
+--Architecture 2
+"}
+    bits=64
+fi
--- a/build-aux/config.status.in
+++ b/build-aux/config.status.in
@ -0,0 +1,72 @@
+# 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/>.
+
+config_status=1
+AR="@AR@"
+BASH="@BASH@"
+BLOOD_ELF="@BLOOD_ELF@"
+CC="@CC@"
+DOT="@DOT@"
+GIT="@GIT@"
+GUILD="@GUILD@"
+GUILE="@GUILE@"
+GUILE_EFFECTIVE_VERSION="@GUILE_EFFECTIVE_VERSION@"
+GUIX="@GUIX@"
+HELP2MAN="@HELP2MAN@"
+HEX2="@HEX2@"
+#HEX2FLAGS="@HEX2FLAGS@"
+MAKEINFO="@MAKEINFO@"
+M1="@M1@"
+#M1FLAGS="@M1FLAGS@"
+MES_FOR_BUILD="@MES_FOR_BUILD@"
+MES_SEED="@MES_SEED@"
+NYACC="@NYACC@"
+PACKAGE="@PACKAGE@"
+PERL="@PERL@"
+TINYCC_PREFIX="@TINYCC_PREFIX@"
+VERSION="@VERSION@"
+
+abs_top_builddir="@abs_top_builddir@"
+abs_top_srcdir="@abs_top_srcdir@"
+arch="@arch@"
+build="@build@"
+host="@host@"
+
+mes_arch="@mes_arch@"
+gcc_p="@gcc_p@"
+mes_p="@mes_p@"
+mesc_p="@mesc_p@"
+tcc_p="@tcc_p@"
+
+prefix="@prefix@"
+
+bindir="@bindir@"
+datadir="@datadir@"
+docdir="@docdir@"
+guile_site_ccache_dir="@guile_site_ccache_dir@"
+guile_site_dir="@guile_site_dir@"
+infodir="@infodir@"
+libdir="@libdir@"
+mandir="@mandir@"
+moduledir="@moduledir@"
+posix_p="@posix_p@"
+program_prefix="@program_prefix@"
+srcdest="@srcdest@"
+srcdir="@srcdir@"
+sysconfdir="@sysconfdir@"
+top_builddir="@top_builddir@"
--- a/build-aux/export.make
+++ b/build-aux/export.make
@ -56,10 +56,6 @@ ifdef CC
 export CC
 endif

-ifdef CC32
-export CC32
-endif
-
 ifdef CC64
 export CC64
 endif
@ -80,6 +76,18 @@ ifdef MES
 export MES
 endif

+ifdef MES_FOR_BUILD
+export MES_FOR_BUILD
+endif
+
+ifdef MES_SEED
+export MES_SEED
+endif
+
+ifdef MESCC
+export MESCC
+endif
+
 ifdef HEX2
 export HEX2
 endif
@ -92,8 +100,8 @@ ifdef GUILE
 export GUILE
 endif

-ifdef GUILE_TOOLS
-export GUILE_TOOLS
+ifdef GUILD
+export GUILD
 endif

 ifdef GUIX
@ -124,14 +132,6 @@ ifdef CPPFLAGS
 export CPPFLAGS
 endif

-ifdef CC32_CFLAGS
-export CC32_CFLAGS
-endif
-
-ifdef CC64_CFLAGS
-export CC64_CFLAGS
-endif
-
 ifdef HEX2FLAGS
 export HEX2FLAGS
 endif
@ -140,22 +140,6 @@ ifdef M1FLAGS
 export M1FLAGS
 endif

-ifdef MES_CFLAGS
-export MES_CFLAGS
-endif
-
-ifdef MES_SEED
-export MES_SEED
-endif
-
-ifdef MESCC_TOOLS_SEED
-export MESCC_TOOLS_SEED
-endif
-
-ifdef TINYCC_SEED
-export TINYCC_SEED
-endif
-
 ifdef TINYCC_PREFIX
 export TINYCC_PREFIX
 endif
--- a/build-aux/install.sh.in
+++ b/build-aux/install.sh.in
@ -19,13 +19,8 @@
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

 set -e
-srcdest="@srcdest@"
-srcdir="@srcdir@"
-abs_top_srcdir="@abs_top_srcdir@"
-abs_top_builddir="@abs_top_builddir@"
-prefix=${prefix-@prefix@}
-VERSION=${VERSION-@VERSION@}

+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

@ -35,8 +30,6 @@ SHELL=${SHELL-$(command -v sh)}
 [ -n "$BASH" ] && set -o pipefail

 MES_PREFIX=${MES_PREFIX-$prefix/share/mes}
-MES_SEED=${MES_SEED-../MES-SEED}
-TINYCC_SEED=${TINYCC_SEED-../TINYCC-SEED}

 GUILE=${GUILE-$(command -v guile)} || true
 if [ -z "$GUILE" -o "$GUILE" = true ]; then
@ -54,7 +47,9 @@ guile_site_dir=$(eval echo ${guile_site_dir-$prefix/share/guile/site/$GUILE_EFFE
 guile_site_ccache_dir=$(eval echo ${guile_site_ccache_dir-$prefix/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache})

 mkdir -p $DESTDIR$bindir
-cp src/mes $DESTDIR$bindir/mes
+if [ -f src/x86-mes-mes ]; then
+    cp src/x86-mes-mes $DESTDIR$bindir/mes
+fi
 cp scripts/mescc $DESTDIR$bindir/mescc

 sed \
@ -66,7 +61,7 @@ mkdir -p $docdir

 if [ -n "$PERL" -a -n "$GIT" ]\
       && $PERL -v > /dev/null\
-       && $GIT --status > /dev/null; then
+       && $GIT status > /dev/null; then
    $PERL ${srcdest}build-aux/gitlog-to-changelog --srcdir=. > ChangeLog
 fi

@ -105,7 +100,9 @@ else
 fi
 tar -cf- -C ${srcdest}mes module | tar -xf- -C $DESTDIR$MES_PREFIX

-cp src/mes.S $DESTDIR$MES_PREFIX/lib/x86-mes/mes.S
+if [ -f src/mes.x86-mes-S ]; then
+    cp src/mes.x86-mes-S $DESTDIR$MES_PREFIX/lib/x86-mes/mes.S
+fi
 if [ -f src/mes.x86_64-mes-S ]; then
    cp src/mes.x86_64-mes-S $DESTDIR$MES_PREFIX/lib/x86_64-mes/mes.S
 fi
--- a/build-aux/pre-inst-env.in
+++ b/build-aux/pre-inst-env.in
@ -22,6 +22,7 @@ srcdir="@srcdir@"
 abs_top_srcdir="@abs_top_srcdir@"
 abs_top_builddir="@abs_top_builddir@"
 prefix=${prefix-@prefix@}
+program_prefix=${program_prefix-@program_prefix@}

 MES_PREFIX=${MES_PREFIX-${srcdest}mes}
 export MES_PREFIX
@ -36,7 +37,7 @@ export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH
 PATH="$abs_top_builddir/scripts:$abs_top_builddir/src:$abs_top_builddir/build-aux:$PATH"
 export PATH

-MES=${MES-src/mes}
+MES=${MES-${abs_top_builddir}/src/${program_prefix}mes}
 export MES

 GUIX_PACKAGE_PATH="$abs_top_srcdir/guix${GUIX_PACKAGE_PATH:+:}$GUIX_PACKAGE_PATH"
--- a/build-aux/build-cc.sh
+++ b/build-aux/build-cc.sh
@ -20,12 +20,30 @@

 set -e

+if [ ! "$config_status" ]; then
+    . ./config.status
+fi
+
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh
+. ${srcdest}build-aux/cc.sh

-# native
-sh ${srcdest}build-aux/snarf.sh
+t=${1-scaffold/tests/t}
+o="$t"

-ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc.sh lib/libmes
-sh ${srcdest}build-aux/cc.sh src/mes
-cp src/mes.gcc-out src/mes
+rm -f "${program_prefix}$o"
+compile "$t"
+link "$t"
+
+r=0
+[ -f "$t".exit ] && r=$(cat "$t".exit)
+set +e
+$(dirname "$o")/${program_prefix}$(basename "$o") $ARGS > "$o".${program_prefix}stdout
+m=$?
+cat "$o".${program_prefix}stdout
+set -e
+
+[ $m = $r ]
+if [ -f "$t".expect ]; then
+    $DIFF -ub "$t".expect "$o".${program_prefix}stdout
+fi
--- a/build-aux/test.sh
+++ b/build-aux/test.sh
@ -19,67 +19,19 @@
 # along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

 set -e
+. ./config.status
 . ${srcdest}build-aux/config.sh
-. ${srcdest}build-aux/trace.sh

-MES_ARENA=100000000
+sh ${srcdest}build-aux/test-cc.sh $1

-GUILE=${GUILE-$MES}
-DIFF=${DIFF-$(command -v diff)} || true
-[ -z "$DIFF" ] && DIFF="sh scripts/diff.scm"
-
-t=${1-scaffold/tests/t}
-o="$t"
-rm -f "$o".mes-out
-
-rm -f "$o".gcc-out
-if [ -n "$CC" ]; then
-    sh ${srcdest}build-aux/cc.sh "$t"
-
-    r=0
-    [ -f "$t".exit ] && r=$(cat "$t".exit)
-    set +e
-    "$o".gcc-out $ARGS > "$o".gcc-stdout
-    m=$?
-    cat "$o".gcc-stdout
-    set -e
-
-    [ $m = $r ]
-    if [ -f "$t".expect ]; then
-        $DIFF -ub "$t".expect "$o".gcc-stdout;
-    fi
-fi
-
-rm -f "$t".mes-gcc-out
-if [ -n "$CC32" ]; then
-    sh ${srcdest}build-aux/cc32-mes.sh "$t"
-
-    r=0
-    [ -f "$t".exit ] && r=$(cat "$t".exit)
-    set +e
-    "$o".mes-gcc-out $ARGS > "$o".mes-gcc-stdout
-    m=$?
-    cat "$t".mes-gcc-stdout
-    set -e
-
-    [ $m = $r ]
-    if [ -f "$t".expect ]; then
-        $DIFF -ub "$t".expect "$o".mes-gcc-stdout;
-    fi
-fi
-
-rm -f "$o".mes-out
-sh ${srcdest}build-aux/cc-mes.sh "$t"
-
-r=0
-[ -f "$t".exit ] && r=$(cat "$t".exit)
-set +e
-"$o".mes-out $ARGS > "$o".mes-stdout
-m=$?
-cat "$o".mes-stdout
-set -e
-
-[ $m = $r ]
-if [ -f "$t".expect ]; then
-    $DIFF -ub "$t".expect "$o".mes-stdout;
+if [ ! "$mesc_p" ]; then
+    #FIXME: c&p
+    unset CFLAGS CPPFLAGS LDFLAGS gcc_p tcc_p posix_p
+    MES=guile
+    mesc_p=1
+    mes_p=1
+    mes_arch=x86-mes
+    program_prefix=$mes_arch-
+    CC="./pre-inst-env mescc"
+    sh ${srcdest}build-aux/test-cc.sh $1
 fi
--- a/build-aux/test64.sh
+++ b/build-aux/test64.sh
@ -1,85 +0,0 @@
-#! /bin/sh
-
-# GNU Mes --- Maxwell Equations of Software
-# Copyright © 2017,2018 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
-. ${srcdest}build-aux/trace.sh
-
-MES_ARENA=100000000
-
-GUILE=${GUILE-$MES}
-DIFF=${DIFF-$(command -v diff)} || true
-[ -z "$DIFF" ] && DIFF="sh scripts/diff.scm"
-
-t=${1-scaffold/tests/t}
-o="$t"
-rm -f "$o".mes-out
-
-rm -f "$o".gcc-out
-if [ -n "$CC" ]; then
-    sh ${srcdest}build-aux/cc.sh "$t"
-
-    r=0
-    [ -f "$t".exit ] && r=$(cat "$t".exit)
-    set +e
-    "$o".gcc-out $ARGS > "$o".gcc-stdout
-    m=$?
-    cat "$o".gcc-stdout
-    set -e
-
-    [ $m = $r ]
-    if [ -f "$t".expect ]; then
-        $DIFF -ub "$t".expect "$o".gcc-stdout;
-    fi
-fi
-
-rm -f "$t".x86_64-mes-gcc-out
-if [ -n "$CC64" ]; then
-    sh ${srcdest}build-aux/cc64-mes.sh "$t"
-
-    r=0
-    [ -f "$t".exit ] && r=$(cat "$t".exit)
-    set +e
-    "$o".x86_64-mes-gcc-out $ARGS > "$o".x86_64-mes-gcc-stdout
-    m=$?
-    cat "$t".x86_64-mes-gcc-stdout
-    set -e
-
-    [ $m = $r ]
-    if [ -f "$t".expect ]; then
-        $DIFF -ub "$t".expect "$o".x86_64-mes-gcc-stdout;
-    fi
-fi
-
-rm -f "$o".x86_64-mes-out
-sh ${srcdest}build-aux/cc-x86_64-mes.sh "$t"
-
-r=0
-[ -f "$t".exit ] && r=$(cat "$t".exit)
-set +e
-"$o".x86_64-mes-out $ARGS > "$o".x86_64-mes-stdout
-m=$?
-cat "$o".x86_64-mes-stdout
-set -e
-
-[ $m = $r ]
-if [ -f "$t".expect ]; then
-    $DIFF -ub "$t".expect "$o".x86_64-mes-stdout;
-fi
--- a/build-aux/uninstall.sh.in
+++ b/build-aux/uninstall.sh.in
@ -20,12 +20,7 @@

 #set -e

-srcdest="@srcdest@"
-srcdir="@srcdir@"
-abs_top_srcdir="@abs_top_srcdir@"
-abs_top_builddir="@abs_top_builddir@"
-prefix=${prefix-@prefix@}
-
+. ./config.status
 . ${srcdest}build-aux/config.sh
 . ${srcdest}build-aux/trace.sh

@ -44,15 +39,11 @@ moduledir=${moduledir-$datadir/mes/module}
 guile_site_dir=${guile_site_dir-$prefix/share/guile/site/$GUILE_EFFECTIVE_VERSION}
 guile_site_ccache_dir=${guile_site_ccache_dir-$prefix/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache}

-mkdir -p $DESTDIR$prefix/bin
-cp src/mes $DESTDIR$prefix/bin/mes
-
-mkdir -p $DESTDIR$prefix/lib
-mkdir -p $DESTDIR$MES_PREFIX/lib
-cp scripts/mescc $DESTDIR$prefix/bin/mescc
+MES_PREFIX=${MES_PREFIX-$prefix/share/mes}

 rm $DESTDIR$prefix/bin/mes
 rm $DESTDIR$prefix/bin/mescc
+rm -f $DESTDIR$prefix/bin/diff.scm
 rmdir $DESTDIR$prefix/bin || :

 for i in\
@ -77,6 +68,16 @@ rm -r $DESTDIR$guile_site_ccache_dir/mescc
 rm -r $DESTDIR$guile_site_dir/mes
 rm -r $DESTDIR$guile_site_dir/mescc

+rm $DESTDIR$prefix/share/info/dir
 rm $DESTDIR$prefix/share/info/mes.info*
+rm $DESTDIR$prefix/share/info/images/gcc-mesboot*
+rm $DESTDIR$prefix/share/info/images/README
 rm $DESTDIR$mandir/man1/mes.1
 rm $DESTDIR$mandir/man1/mescc.1
+
+rmdir -p $DESTDIR$prefix/share/doc
+rmdir -p $DESTDIR$prefix/share/info/images
+rmdir -p $DESTDIR$guile_site_dir
+rmdir -p $DESTDIR$guile_site_ccache_dir
+rmdir -p $DESTDIR$mandir/man1
+true
--- a/288
+++ b/288
@ -123,7 +123,7 @@ exec ${guile} -L . --no-auto-compile -e '(configure)' -s "$0" ${1+"$@"}
 ;;; Configure

 (define-immutable-record-type <dependency>
-  (make-depedency name version-expected optional? version-option commands file-name)
+  (make-depedency name version-expected optional? version-option commands file-name data)
  dependency?
  (name dependency-name)
  (version-expected dependency-version-expected)
@ -131,13 +131,14 @@ exec ${guile} -L . --no-auto-compile -e '(configure)' -s "$0" ${1+"$@"}
  (optional? dependency-optional?)
  (commands dependency-commands)
  (file-name dependency-file-name)
-  (version-found dependency-version-found))
+  (version-found dependency-version-found)
+  (data dependency-data))

 (define* (make-dep name #:optional (version '(0))
-                   #:key optional? (version-option "--version") (commands (list name)) file-name)
+                   #:key optional? (version-option "--version") (commands (list name)) file-name data)
  (let* ((env-var (getenv (name->shell-name name)))
         (commands (if env-var (cons env-var commands) commands)))
-   (make-depedency name version optional? version-option commands file-name)))
+   (make-depedency name version optional? version-option commands file-name data)))

 (define (find-dep name deps)
  (find (compose (cut equal? <> name) dependency-name) deps))
@ -174,7 +175,7 @@ exec ${guile} -L . --no-auto-compile -e '(configure)' -s "$0" ${1+"$@"}
    (let loop ((commands commands))
      (if (null? commands) dependency
          (let ((command (car commands)))
-            (stdout "checking for ~a~a... " command
+            (stdout "checking for ~a~a... " name
                    (if (null? expected) ""
                        (format #f " [~a]" (version->string expected))))
            (let* ((output (gulp-pipe (format #f "~a ~a 2>&1" command version-option)))
@ -195,23 +196,47 @@ exec ${guile} -L . --no-auto-compile -e '(configure)' -s "$0" ${1+"$@"}
    (stdout "~a\n" (or file-name ""))
    (set-field dependency (dependency-file-name) file-name)))

-(define* (check-header-c dependency  #:optional (check check-compile-header-c))
+(define* (check-header-c cc dependency #:optional (check check-preprocess-header-c))
  (let ((name (dependency-name dependency)))
    (stderr "checking for ~a..." name)
-    (let ((result (check name)))
+    (let ((result (check cc name)))
      (stderr " ~a\n" (if result "yes" "no"))
      (if result (set-field dependency (dependency-file-name) name)
-          dependency-file-name))))
+          dependency))))

-(define (check-compile-header-c header)
-  (zero? (system (format #f "echo '#include ~s' | gcc -E - > /dev/null 2>&1" header))))
+(define* (check-compile-c cc dependency #:optional (check check-compile-string-c))
+  (let ((name (dependency-name dependency)))
+    (stderr "checking for ~a..." name)
+    (let ((result (check cc (dependency-data dependency))))
+      (stderr " ~a\n" (if result "yes" "no"))
+      (if result (set-field dependency (dependency-file-name) name)
+          dependency))))
+
+(define* (check-link-c cc dependency #:optional (check check-link-string-c))
+  (let ((name (dependency-name dependency)))
+    (stderr "checking for ~a..." name)
+    (let ((result (check cc (dependency-data dependency))))
+      (stderr " ~a\n" (if result "yes" "no"))
+      (if result (set-field dependency (dependency-file-name) name)
+          dependency))))
+
+(define (check-preprocess-header-c cc header)
+  (zero? (system (format #f "echo '#include \"~a\"' | ~a -E - > /dev/null 2>&1" header cc))))
+
+(define (check-compile-string-c cc string)
+  (zero? (system (format #f "echo '~a' | ~a --std=gnu99 -c -x c -o .config.o - > /dev/null 2>&1" string cc))))
+
+(define (check-link-string-c cc string)
+  (zero? (system (format #f "echo '~a' | ~a -v --std=gnu99 -x c -o .config-a.out -  > /dev/null 2>&1" string cc))))

 (define (parse-opts args)
  (let* ((option-spec
  	  '((build (value #t))
            (host (value #t))
            (help (single-char #\h))
+            (mes)
            (prefix (value #t))
+            (program-prefix (value #t))
            (bindir (value #t))
            (datadir (value #t))
            (docdir (value #t))
@ -254,8 +279,9 @@ Options:
  -h, --help           display this help
      --build=BUILD    configure for building on BUILD [guessed]
      --disable-silent-rules
-                       verbose build output [BUILD_DEBUG=1]
+                       verbose build output [V=1]
      --host=HOST      cross-compile to build programs to run on HOST [BUILD]
+      --mes            use Mes C Library
  -v, --verbose        be verbose
  --with-courage       assert being courageous to configure for unsupported platform
  --with-cheating      cheat using Guile instead of Mes
@ -265,6 +291,10 @@ Installation directories:
  --infodir=DIR        info documentation [PREFIX/share/info]
  --mandir=DIR         man pages [PREFIX/share/man]

+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+
 Ignored for Guix:
  --enable-fast-install

@ -280,29 +310,23 @@ Ignored for Debian:
 Some influential environment variables:
  CC                C compiler command
  CFLAGS            C compiler flags
-  CC32              x86 C compiler command
-  CC64_CFLAGS       x86_64 C compiler flags
-  CC64              x86_64 C compiler command
-  CC32_CFLAGS       x86 C compiler flags
  GUILE             guile command
-  GUILE_TOOLS       guile-tools command
-  MES_CFLAGS        MesCC flags
+  GUILD             guild command
+  MES_FOR_BUILD     build system MES [can be mes or guile]
  MES_SEED          location of mes-seed
-  MESCC_TOOLS_SEED  location of mescc-tools-seed
-  TCC               tcc C compiler command
  TINYCC_PREFIX     location of tinycc [for tests/test2]
-  TINYCC_SEED       location of tinycc-seed
 " PACKAGE VERSION (getenv "prefix")))

 (define (main args)
  (let* ((options (parse-opts args))
         (build-type (option-ref options 'build %host-type))

-         (arch (car (string-split build-type #\-)))
         (host-type (option-ref options 'host %host-type))(prefix "/usr/local")

         (prefix "/usr/local")
         (prefix (option-ref options 'prefix prefix))
+         (program-prefix (option-ref options 'program-prefix ""))
+         (program-suffix (option-ref options 'program-suffix ""))
         (infodir (option-ref options 'infodir "${prefix}/share/info"))
         (mandir (option-ref options 'infodir "${prefix}/share/man"))
         (sysconfdir (option-ref options 'sysconfdir "${prefix}/etc"))
@ -332,7 +356,8 @@ Some influential environment variables:
         (disable-silent-rules? (option-ref options 'disable-silent-rules #f))
         (enable-silent-rules? (option-ref options 'enable-silent-rules #f))
         (vars (filter (cut string-index <> #\=) (option-ref options '() '())))
-         (help? (option-ref options 'help #f)))
+         (help? (option-ref options 'help #f))
+         (mes? (option-ref options 'mes #f)))
    (when help?
      (print-help)
      (exit 0))
@ -342,37 +367,28 @@ Some influential environment variables:
    (for-each (lambda (v) (apply setenv (string-split v #\=))) vars)
    (let* ((mes-seed (or (getenv "MES_SEED")
                         (string-append srcdest "../mes-seed")))
+           (mes-seed (and mes-seed
+                          (file-exists? (string-append mes-seed "/x86-mes/mes.S"))
+                          mes-seed))
           (tinycc-prefix (or (getenv "TINYCC_PREFIX")
                              (string-append srcdest "../tinycc-prefix")))
-           (tinycc-seed (or (getenv "TINYCC_SEED")
-                            (string-append srcdest "../tinycc-seed")))
-           (mescc-tools-seed (or (getenv "MESCC_TOOLS_SEED")
-                                 (string-append srcdest "../mescc-tools-seed")))
+           (gcc (or (getenv "CC") "gcc"))
+           (tcc (or (getenv "TCC") "tcc"))
+           (mescc (or (getenv "MESCC") "mescc"))
           (deps (fold (lambda (program results)
                         (cons (check-program-version program) results))
                       '()
-                       (list (make-dep "guile" '(2 0) #:commands '("guile-2.2" "guile-2.0" "guile-2" "guile"))
-                             (make-dep "guix" '(0 13) #:optional? #t)
-                             (make-dep "bash" '(2 0) #:optional? #t)
-                             (make-dep "guile-tools" '(2 0))
-                             (make-dep "mes-seed" '(0 18) #:optional? #t
-                                       #:commands (list (string-append mes-seed "/refresh.sh"))
-                                       #:file-name mes-seed)
-                             (make-dep "tinycc-seed" '(0 18) #:optional? #t
-                                       #:commands (list (string-append tinycc-seed "/refresh.sh"))
-                                       #:file-name tinycc-seed)
-                             (make-dep "cc" '(2 95) #:commands '("gcc"))
-                             (make-dep "make" '(4))
-                             (make-dep "cc32" '(2 95)
-                                       #:optional? #t
-                                       #:commands '("i686-unknown-linux-gnu-gcc"))
-                             (make-dep "cc64" '(2 95)
-                                       #:optional? #t
-                                       #:commands '("gcc"))
+                       (list (make-dep "hex2" '(0 3))
                             (make-dep "M1" '(0 3))
                             (make-dep "blood-elf" '(0 1))
-                             (make-dep "hex2" '(0 3))
-                             (make-dep "tcc" '(0 9 26) #:optional? #t #:version-option "-v")
+                             (make-dep "guile" '(2 0) #:commands '("guile-2.2" "guile-2.0" "guile-2" "guile") #:optional? #t)
+                             (make-dep "mes" '(0 18) #:optional? #t)
+                             (make-dep "guix" '(0 13) #:optional? #t)
+                             (make-dep "ar" '(2 10) #:optional? #t)
+                             (make-dep "bash" '(2 0) #:optional? #t)
+                             (make-dep "guild" '(2 0) #:commands '("guild" "guile-tools"))
+                             (make-dep "cc" '(2 95) #:commands (list gcc tcc mescc) #:optional? #t)
+                             (make-dep "make" '(4) #:optional? #t)
                             (make-dep "makeinfo" '(5) #:optional? #t)
                             (make-dep "dot" '(2) #:version-option "-V" #:optional? #t)
                             (make-dep "help2man" '(1 47) #:optional? #t)
@ -380,19 +396,55 @@ Some influential environment variables:
                             (make-dep "git" '(2) #:optional? #t))))
           (deps (cons (check-program-version (make-dep "nyacc" '(0 86 0) #:commands (list (string-append (file-name "guile" deps) " -c '(use-modules (nyacc lalr)) (display *nyacc-version*)'")) #:file-name #t))
                       deps))
-           (deps (if (file-name "cc" deps)
-                     (cons* (check-header-c (make-dep "stdio.h"))
-                            (check-header-c (make-dep "limits.h"))
+           (cc (file-name "cc" deps))
+           (deps (if cc
+                     (cons* (check-header-c cc (make-dep "limits.h"))
+                            (check-header-c cc (make-dep "stdio.h" #:optional? #t))
                            deps)
                     deps))
-           (deps (cons (check-file (make-dep "mescc-tools-seed" '(0) #:optional? #t
-                                             #:file-name mescc-tools-seed))
-                       deps))
           (deps (cons (check-file (make-dep "tinycc-prefix" '(0) #:optional? #t
                                             #:file-name tinycc-prefix))
                       deps))
           (missing (filter (conjoin (negate dependency-file-name)
-                                     (negate dependency-optional?)) deps)))
+                                     (negate dependency-optional?)) deps))
+           (deps (if cc
+                     (cons (check-compile-c cc (make-dep "cc is GNU C" #:data "#if !defined (__GNUC__)
+#error no gnuc
+#endif
+"))
+                           deps)
+                     deps))
+           (gcc? (file-name "cc is GNU C" deps))
+           (deps (if cc
+                     (cons (check-compile-c cc (make-dep "cc is Mes C" #:data "#if !defined (__MESC__)
+#error no mesc
+#endif
+"))
+                           deps)
+                     deps))
+           (mesc? (file-name "cc is Mes C" deps))
+           (deps (if cc
+                     (cons (check-compile-c cc (make-dep "cc is Tiny CC" #:data "#if !defined (__TINYCC__)
+#error no tinycc
+#endif
+"))
+                           deps)
+                     deps))
+           (tcc? (file-name "cc is Tiny CC" deps))
+           (deps (if cc
+                     (cons (check-link-c cc (make-dep "if cc can create executables" #:data "int main () {return 0;}"))
+                           deps)
+                     deps))
+           (mes? (or mes? (not (file-name "if cc can create executables" deps))))
+           (build-type (or (and cc (gulp-pipe* cc "-dumpmachine")) build-type))
+           (arch (car (string-split build-type #\-)))
+           (arch (if (member arch '("i386" "i486" "i586" "i686")) "x86"
+                     arch))
+           (mes-arch arch)
+           (mes-arch (if mes? (string-append mes-arch "-mes") mes-arch))
+           (mes-arch (if gcc? (string-append mes-arch "-gcc") mes-arch))
+           (mes-arch (if tcc? (string-append mes-arch "-gcc") mes-arch))
+           (posix? (and (not mesc?) (not mes?))))

      (define* (substitute file-name pairs
                           #:key (target (if (string-suffix? ".in" file-name)
@ -405,7 +457,7 @@ Some influential environment variables:
                     (regexp-substitute/global #f (car o) result 'pre (cdr o) 'post))
                   (with-input-from-file file-name read-string) pairs)))))

-      (when (and (not (member arch '("i686" "x86_64"))) (not with-courage?))
+      (when (and (not (member arch '("x86" "x86_64"))) (not with-courage?))
        (stderr "platform not supported: ~a, try --with-courage\n" arch)
        (exit 1))
      (when (pair? missing)
@ -418,71 +470,72 @@ Some influential environment variables:
          (and (zero? (system* "git" "init"))
               (zero? (system* "git" "add" "."))
               (zero? (system* "git" "commit" "--allow-empty" "-m" "Import mes")))))
-      (with-output-to-file ".config.make"
-        (lambda _
-          (stdout "PACKAGE:=~a\n" PACKAGE)
-          (stdout "VERSION:=~a\n" VERSION)

-          (stdout "arch:=~a\n" arch)
-          (stdout "build:=~a\n" build-type)
-          (stdout "host:=~a\n" host-type)
+      (let ((pairs `(("@PACKAGE@" . ,PACKAGE)
+                     ("@VERSION@" . ,VERSION)

-          (stdout "top_builddir:=~a\n" top-builddir)
-          (stdout "abs_top_builddir:=~a\n" abs-top-builddir)
-          (stdout "abs_top_srcdir:=~a\n" abs-top-srcdir)
+                     ("@arch@" . ,arch)
+                     ("@build@" . ,build-type)
+                     ("@host@" . ,host-type)

-          (stdout "srcdest:=~a\n" srcdest)
-          (stdout "srcdir:=~a\n" srcdir)
+                     ("@gcc_p@" . ,(if gcc? "1" ""))
+                     ("@mes_arch@" . ,mes-arch)
+                     ("@mes_p@" . ,(if mes? "1" ""))
+                     ("@mesc_p@" . ,(if mesc? "1" ""))
+                     ("@posix_p@" . ,(if posix? "1" ""))
+                     ("@tcc_p@" . ,(if tcc? "1" ""))

-          (stdout "prefix:=~a\n" (gulp-pipe (string-append "echo " prefix)))
-          (stdout "datadir:=~a\n" datadir)
-          (stdout "docdir:=~a\n" docdir)
-
-          (stdout "bindir:=~a\n" bindir)
-          (stdout "guile_site_ccache_dir:=~a\n" guile-site-ccache-dir)
-          (stdout "guile_site_dir:=~a\n" guile-site-dir)
-          (stdout "infodir:=~a\n" infodir)
-          (stdout "libdir:=~a\n" libdir)
-          (stdout "mandir:=~a\n" mandir)
-          (stdout "moduledir:=~a\n" moduledir)
-          (stdout "sysconfdir:=~a\n" sysconfdir)
-
-          (for-each (lambda (o)
-                      (stdout "~a:=~a\n" (variable-name o) (or (dependency-file-name o) "")))
-                    deps)
-          (stdout "GUILE_EFFECTIVE_VERSION:=~a\n" (effective-version))
-
-          (when disable-silent-rules?
-            (stdout "V:=1\n"))
-
-          (when with-cheating?
-            (stdout "MES:=guile\n"))
-
-          (for-each (lambda (o)
-                      (stdout "~a:=~a\n" o (or (getenv o) "")))
-                    '(
-                      "CFLAGS"
-                      "CC32_CFLAGS"
-                      "CC64_CFLAGS"
-                      "HEX2FLAGS"
-                      "M1FLAGS"
-                      "MES_CFLAGS"
-                      ))))
-
-      (let ((pairs `(("@srcdest@" . ,srcdest)
-                     ("@srcdir@" . ,srcdir)
                     ("@abs_top_srcdir@" . ,abs-top-srcdir)
                     ("@abs_top_builddir@" . ,abs-top-builddir)
                     ("@top_builddir@" . ,top-builddir)
-                     ("@BASH@" . ,(file-name "bash" deps))
-                     ("@GUILE@" . ,(file-name "guile" deps))
-                     ("@MES@" . ,(file-name "guile" deps))
+
+                     ("@srcdest@" . ,srcdest)
+                     ("@srcdir@" . ,srcdir)
+
                     ("@prefix@" . ,prefix)
-                     ("@guile_site_dir@" . ,guile-site-dir)
+                     ("@program_prefix@" . ,program-prefix)
+                     ("@bindir@" . ,bindir)
+                     ("@datadir@" . ,datadir)
+                     ("@docdir@" . ,docdir)
                     ("@guile_site_ccache_dir@" . ,guile-site-ccache-dir)
-                     ("@VERSION@" . ,VERSION)
-                     ("@arch@" . ,arch)
-                     ("mes/module/" . ,(string-append moduledir/)))))
+                     ("@guile_site_dir@" . ,guile-site-dir)
+                     ("@infodir@" . ,infodir)
+                     ("@libdir@" . ,libdir)
+                     ("@mandir@" . ,mandir)
+                     ("@moduledir@" . ,moduledir)
+                     ("@sysconfdir@" . ,sysconfdir)
+
+                     ("@GUILE_EFFECTIVE_VERSION@" . ,(effective-version))
+                     ("@V@" . ,(if disable-silent-rules? 1 0))
+
+                     ("@AR@" . ,(or (file-name "ar" deps) ""))
+                     ("@BASH@" . ,(or (file-name "bash" deps) ""))
+                     ("@CC@" . ,(or (file-name "cc" deps) ""))
+                     ("@DOT@" . ,(Fileor -name "dot" deps))
+                     ("@GIT@" . ,(or (file-name "git" deps) ""))
+                     ("@GUILE@" . ,(file-name "guile" deps))
+                     ("@GUIX@" . ,(or (file-name "guix" deps) ""))
+                     ("@HELP2MAN@" . ,(or (file-name "help2man" deps) ""))
+                     ("@MAKEINFO@" . ,(or (file-name "makeinfo" deps) ""))
+                     ("@MES_FOR_BUILD@" . ,(or (file-name "mes" deps)
+                                               (file-name "guile" deps)))
+                     ("@MES_SEED@" . ,(or mes-seed ""))
+                     ("@PERL@" . ,(or (file-name "perl" deps) ""))
+
+                     ("@CFLAGS@" . ,(or (getenv "CFLAGS") ""))
+                     ("@HEX2FLAGS@" . ,(or (getenv "HEX2FLAGS") ""))
+                     ("@M1FLAGS@" . ,(or (getenv "M1FLAGS") ""))
+
+                     ("mes/module/" . ,(string-append moduledir/))
+                     ,@(map
+                        (lambda (o)
+                          (cons (string-append "@" (variable-name o) "@") (or (format #f "~a" (dependency-file-name o)) "")))
+                        deps))))
+
+        (when (and (not cc)
+                   (not mes-seed))
+          (format (current-error-port) "must supply C compiler or MES_SEED/x86-mes/mes.S\n")
+          (exit 2))
        (for-each (lambda (o)
                    (let* ((src (string-append srcdest o))
                           (target (string-drop-right o 3))
@ -491,6 +544,7 @@ Some influential environment variables:
                      (substitute src pairs #:target target)))
                  '(
                    "build-aux/GNUmakefile.in"
+                    "build-aux/config.status.in"
                    "build-aux/build.sh.in"
                    "build-aux/check.sh.in"
                    "build-aux/install.sh.in"
@ -498,17 +552,23 @@ Some influential environment variables:
                    "build-aux/uninstall.sh.in"
                    "mes/module/mes/boot-0.scm.in"
                    "scripts/mescc.in"
-                    )))
+                    ))
+        (chmod "pre-inst-env" #o755)
+        (chmod "scripts/mescc" #o755)
        (chmod "build.sh" #o755)
        (chmod "check.sh" #o755)
        (chmod "install.sh" #o755)
-      (chmod "pre-inst-env" #o755)
        (chmod "uninstall.sh" #o755)
-      (chmod "scripts/mescc" #o755)
+        (substitute (string-append srcdest "build-aux/config.make.in") pairs #:target ".config.make"))
+
      (let ((make (and=> (file-name "make" deps) basename)))
        (format (current-output-port)
-                "\nRun:
+                "
+GNU Mes is configured for ~a
+
+Run:
  ~a            to build mes
  ~a help       for help on other targets\n"
+                mes-arch
                (or make "./build.sh")
                (or make "./build.sh"))))))
--- a/configure.sh
+++ b/configure.sh
@ -21,22 +21,56 @@
 set -e

 VERSION=0.18
-
-# parse --prefix=prefix
-cmdline=$(echo "$@")
-p=${cmdline##*--prefix=}
-p=${p% *}
-p=${p% -*}
-if [ -z "$p" ]; then
-    p=${prefix-/usr/local}
-fi
-prefix=$p
-
 srcdir=${srcdir-$(dirname $0)}
 . ${srcdest}build-aux/trace.sh

+# parse --mes
+cmdline=$(echo " $@")
+p=${cmdline/ --mes/}
+if [ "$p" != "$cmdline" ]; then
+    mes_p=${mes_p-1}
+fi
+
+# parse --prefix=PREFIX
+p=${cmdline/ --prefix=/ -prefix=}
+if [ "$p" != "$cmdline" ]; then
+    p=${p##* -prefix=}
+    p=${p% *}
+    p=${p% -*}
+    prefix=${p-/usr/local}
+
+else
+    prefix=${prefix-/usr/local}
+fi
+
+# parse --program-prefix=
+p=${cmdline/ --program-prefix=/ -program-prefix=}
+if [ "$p" != "$cmdline" ]; then
+    p=${p##* -program-prefix=}
+    p=${p% *}
+    p=${p% -*}
+    program_prefix=$p
+fi
+
+AR=${AR-$(command -v ar)} || true
 BASH=${BASH-$(command -v bash)}
+BLOOD_ELF=${BLOOD_ELF-$(command -v blood-elf)}
+CC=${CC-$(command -v gcc)} || true
+GUILD=${GUILD-$(command -v guild)} || true
+GUILE_TOOLS=${GUILE_TOOLS-$(command -v guile-tools)} || true
+if [ ! "$GUILD" ]; then
+    if [ "$GUILE_TOOLS" ]; then
+        GUILD=$GUILE_TOOLS
+    else
+        GUILD=true
+    fi
+fi
 GUILE=${GUILE-$(command -v guile)} || true
+HEX2=${HEX2-$(command -v hex2)}
+M1=${M1-$(command -v M1)}
+MES_FOR_BUILD=${MES_FOR_BUILD-$(command -v mes || command -v guile || echo mes)}
+PERL=${PERL-$(command -v perl)} || true
+MES_SEED=${MES_SEED-../mes-seed}

 if [ "$srcdir" = . ]; then
    top_builddir=.
@ -52,48 +86,127 @@ if [ -z "$GUILE" -o "$GUILE" = true ]; then
 else
    GUILE_EFFECTIVE_VERSION=${GUILE_EFFECTIVE_VERSION-$(guile -c '(display (effective-version))')}
 fi
+bindir=$(eval echo ${bindir-$prefix/bin})
 datadir=$(eval echo ${datadir-$prefix/share})
 docdir=$(eval echo ${docdir-$datadir/doc/mes-$VERSION})
 infodir=$(eval echo ${infodir-$datadir/info})
+libdir=$(eval echo ${libdir-$prefix/lib})
 mandir=$(eval echo ${mandir-$datadir/man})
 moduledir=$(eval echo ${moduledir-$datadir/mes/module})
 moduledir_="$moduledir/"
 guile_site_dir=$(eval echo ${guile_site_dir-$prefix/share/guile/site/$GUILE_EFFECTIVE_VERSION})
 guile_site_ccache_dir=$(eval echo ${guile_site_ccache_dir-$prefix/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache})
-arch=$(get_machine || uname -m)

 subst () {
    sed \
-    -e s,"@srcdest@,$srcdest,"\
-    -e s,"@srcdir@,$srcdir,"\
+    -e s,"@PACKAGE@,$PACKAGE,"\
+    -e s,"@VERSION@,$VERSION,"\
+    -e s,"@arch@,$arch,"\
+    -e s,"@build@,$build,"\
+    -e s,"@host@,$host,"\
+    -e s,"@compiler@,$compiler,"\
+    -e s,"@gcc_p@,$gcc_p,"\
+    -e s,"@mes_p@,$mes_p,"\
+    -e s,"@mesc_p@,$mesc_p,"\
+    -e s,"@tcc_p@,$tcc_p,"\
+    -e s,"@mes_arch@,$mes_arch,"\
+    -e s,"@posix_p@,$posix_p,"\
    -e s,"@abs_top_srcdir@,$abs_top_srcdir,"\
    -e s,"@abs_top_builddir@,$abs_top_builddir,"\
    -e s,"@top_builddir@,$top_builddir,"\
-    -e s,"@BASH@,$BASH,"\
-    -e s,"@GUILE@,$GUILE,"\
+    -e s,"@srcdest@,$srcdest,"\
+    -e s,"@srcdir@,$srcdir,"\
    -e s,"@prefix@,$prefix,"\
+    -e s,"@program_prefix@,$program_prefix,"\
+    -e s,"@bindir@,$bindir,"\
+    -e s,"@datadir@,$datadir,"\
+    -e s,"@docdir@,$docdir,"\
    -e s,"@guile_site_dir@,$guile_site_dir,"\
    -e s,"@guile_site_ccache_dir@,$guile_site_ccache_dir,"\
-    -e s,"@VERSION@,$VERSION,"\
-    -e s,"@arch@,$arch,"\
+    -e s,"@infodir@,$infodir,"\
+    -e s,"@libdir@,$libdir,"\
+    -e s,"@mandir@,$mandir,"\
+    -e s,"@moduledir@,$moduledir,"\
+    -e s,"@sysconfdir@,$sysconfdir,"\
+    -e s,"@GUILE_EFFECTIVE_VERSION@,$GUILE_EFFECTIVE_VERSION,"\
+    -e s,"@V@,$V,"\
+    -e s,"@AR@,$AR,"\
+    -e s,"@BASH@,$BASH,"\
+    -e s,"@BLOOD_ELF@,$BLOOD_ELF,"\
+    -e s,"@CC@,$CC,"\
+    -e s,"@GUILD@,$GUILD,"\
+    -e s,"@GUILE@,$GUILE,"\
+    -e s,"@PERL@,$PERL,"\
+    -e s,"@CFLAGS@,$CFLAGS,"\
+    -e s,"@HEX2@,$HEX2,"\
+    -e s,"@HEX2FLAGS@,$HEX2FLAGS,"\
+    -e s,"@M1@,$M1,"\
+    -e s,"@M1FLAGS@,$M1FLAGS,"\
+    -e s,"@MES_FOR_BUILD@,$MES_FOR_BUILD,"\
+    -e s,"@MES_SEED@,$MES_SEED,"\
    -e s,"mes/module/,$moduledir/,"\
    $1 > $2
 }

 subst ${srcdest}build-aux/pre-inst-env.in pre-inst-env
 chmod +x pre-inst-env
-subst ${srcdest}mes/module/mes/boot-0.scm.in mes/module/mes/boot-0.scm
 subst ${srcdest}scripts/mescc.in scripts/mescc
-
-subst ${srcdest}build-aux/GNUmakefile.in GNUmakefile
-subst ${srcdest}build-aux/build.sh.in build.sh
-subst ${srcdest}build-aux/check.sh.in check.sh
-subst ${srcdest}build-aux/install.sh.in install.sh
-subst ${srcdest}build-aux/uninstall.sh.in uninstall.sh
-
 chmod +x scripts/mescc

+host=${host-$($CC -dumpmachine 2>/dev/null || echo x86)}
+if [ -z "$host" ]; then
+    arch=${arch-$(get_machine || uname -m)}
+else
+    arch=${host%%-*}
+fi
+if [ "$arch" = i386\
+             -o "$arch" = i486\
+             -o "$arch" = i586\
+             -o "$arch" = i686\
+   ]; then
+    arch=x86
+fi
+
+#
+if $CC --version | grep gcc 2>/dev/null; then
+    gcc_p=1
+    compiler=gcc
+elif $CC --version | grep tcc 2>/dev/null; then
+    tcc_p=1
+    compiler=tcc
+else
+    mes_p=1
+    mesc_p=1
+    compiler=mescc
+fi
+
+mes_arch=$arch
+if [ "$mes_p" -o "$mesc_p" ]; then
+    mes_arch=$arch-mes
+fi
+
+if [ ! "$mesc_p" ]; then
+    mes_arch=$mes_arch-$compiler
+fi
+if [ ! "$mesc_p" -a ! "$mes_p" ]; then
+    posix_p=1
+fi
+
+subst ${srcdest}mes/module/mes/boot-0.scm.in mes/module/mes/boot-0.scm
+subst ${srcdest}build-aux/GNUmakefile.in GNUmakefile
+subst ${srcdest}build-aux/config.status.in config.status
+subst ${srcdest}build-aux/build.sh.in build.sh
+chmod +x build.sh
+subst ${srcdest}build-aux/check.sh.in check.sh
+chmod +x check.sh
+subst ${srcdest}build-aux/install.sh.in install.sh
+chmod +x install.sh
+subst ${srcdest}build-aux/uninstall.sh.in uninstall.sh
+chmod +x uninstall.sh
+
 cat <<EOF
+GNU Mes is configured for $mes_arch
+
 Run:
  ./build.sh      to build mes
  ./check.sh      to check mes
--- a/module/mescc/i386/as.scm
+++ b/module/mescc/i386/as.scm
@ -540,6 +540,7 @@

 (define (i386:r2->r0 info)
  (let ((r0 (get-r0 info))
+        (r1 (get-r1 info))
        (allocated (.allocated info)))
    (if (> (length allocated) 2)
        (let ((r2 (cadddr allocated)))
--- a/module/mescc/preprocess.scm
+++ b/module/mescc/preprocess.scm
@ -53,7 +53,7 @@
    (let loop ((ix 0))
      (when (< ix n)
 	(if (memq ix need-progress)
-	    (vector-set
+	    (vector-set!
 	     act-v ix
 	     (lambda args
 	       (progress (list-ref args (1- (vector-ref len-v ix))))
--- a/module/mescc/x86_64/as.scm
+++ b/module/mescc/x86_64/as.scm
@ -124,7 +124,7 @@

 (define (x86_64:label->arg info label i)
  (let ((r0 (list-ref x86_64:registers (1+ i))))
-    (if (< (label v) #x80000000)
+    (if (< label #x80000000)
        `((,(string-append "mov____$i32,%" r0) (#:address ,label)))
        `((,(string-append "mov____$i64,%" r0) (#:address8 ,label))))))

@ -668,6 +668,7 @@

 (define (x86_64:r2->r0 info)
  (let ((r0 (get-r0 info))
+        (r1 (get-r1 info))
        (allocated (.allocated info)))
    (if (> (length allocated) 2)
        (let ((r2 (cadddr allocated)))
--- a/scripts/mescc.in
+++ b/scripts/mescc.in
@ -4,6 +4,7 @@ if [ "$V" = 2 ]; then
    set -x
 fi
 prefix=${prefix-@prefix@}
+program_prefix=${program_prefix-@program_prefix@}
 MES_PREFIX=${MES_PREFIX-$prefix/share/mes}
 export MES_PREFIX
 mes_p=$(command -v mes)
--- a/tests/psyntax.test
+++ b/tests/psyntax.test
@ -1,6 +1,6 @@
 #! /bin/sh
 # -*-scheme-*-
-exec ${MES-src/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests psyntax)' -s "$0" "$@"
+MES_ARENA=${MES_ARENA-10000000} exec ${MES-src/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests psyntax)' -s "$0" "$@"
 !#

 ;;; -*-scheme-*-