mes/build-aux/build.sh.in

#! /bin/sh

# GNU Mes --- Maxwell Equations of Software
# Copyright © 2018,2019 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 -e

if test "$1" = "help"; then
    cat <<EOF
Run:
  ./build.sh      to build mes
  ./check.sh      to check mes
  ./install.sh    to install mes
EOF
    exit 0
fi

if test "$V" = 2; then
    set -x
fi

set -u
. ./config.sh

if $courageous; then
    echo "Applying courage"
    set +e
fi

${SHELL} ${srcdest}build-aux/build-scaffold.sh

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

debug=
#debug=-g

CFLAGS="
-static
$debug
"

if test $mes_libc = mes; then
    CFLAGS="$CFLAGS
-nostdinc
-nostdlib
-fno-builtin
"
fi

CPPFLAGS="
-D HAVE_CONFIG_H=1
-I ../include
-I ${srcdir}/../include
-I ${srcdir}/../include/$mes_kernel/$mes_cpu
"

LDFLAGS="
$debug
-L .
"
if test $mes_libc = mes; then
    LDFLAGS="$LDFLAGS
-nostdlib
"
fi
LIBS=-lc

export CFLAGS
export CPPFLAGS
export LDFLAGS
export LIBS

if test $compiler = gcc; then
    (
        mkdir -p gcc-lib
        cp config.sh gcc-lib
        cd gcc-lib
        if test -z "$srcdest"; then
            srcdest=../
            srcdir=../
        fi
        CPPFLAGS="
-D HAVE_CONFIG_H=1
-I include
-I ${srcdest}include
-I ${srcdest}include/$mes_kernel/$mes_cpu
"
        ${SHELL} ${srcdest}build-aux/build-lib.sh
        cp crt1.o ..
    )
fi

(
    if test $compiler = gcc; then
        LDFLAGS="$LDFLAGS
-L gcc-lib
"
    fi

    CPPFLAGS="
-D HAVE_CONFIG_H=1
-I include
-I ${srcdest}include
-I ${srcdest}include/$mes_kernel/$mes_cpu
"
    ${SHELL} ${srcdest}build-aux/build-mes.sh
)

(
    mkdir -p mescc-lib
    cp config.sh mescc-lib
    cd mescc-lib
    sed -i s,mes_libc=system,mes_libc=mes, config.sh
    mkdir -p include/mes
    cp -p ../include/mes/config.h include/mes/config.h
    sed -i 's,#define SYSTEM_LIBC 1,#undef SYSTEM_LIBC,' include/mes/config.h
    if test -z "$srcdest"; then
        srcdest=../
        srcdir=../
    fi
        CPPFLAGS="
-D HAVE_CONFIG_H=1
-I include
-I ${srcdest}include
-I ${srcdest}include/$mes_kernel/$mes_cpu
"
    compiler=mescc
    AR="${srcdest}pre-inst-env ar"
    CC="${srcdest}pre-inst-env mescc -m $mes_bits"
    ${SHELL} ${srcdest}build-aux/build-lib.sh
)