build: M2-Planet first-aid, simplest build script possible.

* simple.sh: New file.

diff --git a/simple.sh b/simple.sh
new file mode 100755 (executable)
index 0000000..55cf3a0
--- /dev/null
+++ b/simple.sh
@@ -0,0 +1,59 @@
+#! /bin/sh
+
+# GNU Mes --- Maxwell Equations of Software
+# Copyright © 2019 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 -ex
+
+# We need mes/module/mes/boot-0.scm created
+# Create traditional GNU config.h with the needed defines?
+./configure
+
+rm -f src/strings.h
+
+################################################################################
+# GLIBC build
+rm -rf out-glibc
+mkdir out-glibc
+gcc -c -D WITH_GLIBC=1 -I include -I lib -o out-glibc/libmes.o lib/libmes.c
+gcc -c -D WITH_GLIBC=1 -D VERSION=\"0.19\" -D MODULEDIR=\"module\" -D PREFIX=\"/usr/local\" -I include -o out-glibc/mes.o src/mes.c
+gcc out-glibc/mes.o out-glibc/libmes.o -o out-glibc/mes
+
+MES_PREFIX=mes out-glibc/mes --help
+
+################################################################################
+# Mes C lib build
+
+# To get a i686-unknown-linux-gnu-gcc, you may do:
+#    GUIX_PACKAGE_PATH=guix guix environment -l .guix.scm
+# or
+#    guix environment --ad-hoc -e '(begin (use-modules (gnu packages cross-base)) (list (cross-binutils "i686-unknown-linux-gnu") (cross-gcc "i686-unknown-linux-gnu")))'
+
+rm -rf out-mes
+mkdir out-mes
+i686-unknown-linux-gnu-gcc -c -g -O0 -nostdinc -fno-builtin -fno-stack-protector -I include -o out-mes/crt1.o lib/linux/x86-mes-gcc/crt1.c
+i686-unknown-linux-gnu-gcc -c -g -O0 -nostdinc -fno-builtin -fno-stack-protector -I include -I lib -o out-mes/libc.o lib/libc.c
+i686-unknown-linux-gnu-gcc -c -g -O0 -nostdinc -fno-builtin -fno-stack-protector -I include -D VERSION=\"0.19\" -D MODULEDIR=\"module\" -D PREFIX=\"/usr/local\" -o out-mes/mes.o src/mes.c
+i686-unknown-linux-gnu-gcc -g -nostdlib -o out-mes/mes out-mes/crt1.o out-mes/mes.o out-mes/libc.o
+
+# Test it, use ./pre-inst-env out-mes/mes --help or simply
+MES_PREFIX=mes out-mes/mes --help
+
+################################################################################
+# To silence warnings, add
+# -Wno-discarded-qualifiers -Wno-int-to-pointer-cast -Wno-pointer-to-int-cast -Wno-pointer-sign -Wno-int-conversion -Wno-incompatible-pointer-types