mes/build-aux/pre-inst-env.in
Jan (janneke) Nieuwenhuizen be87ada6b5
build: Resurrect running mescc from elsewhere.
After setting-up a buld environment, running something like

   ~/src/mes/wip/pre-inst-env mescc -v -v ~/src/mes/wip/scaffold/main.c

works again.

TODO: Make this less complex.

 * The mescc-lib (and gcc-lib) build directories do not help;
   these were introduced to support `wip-autotools'.
 * We used to opt for short *PATH variables: "." rather than
   /gnu/store/.... or /home/janneke/src/mes/master to avoid
   filling the MES arena. XXX Has this been solved?
 * In the Guix bootstrap, we run module/mescc.scm directly
       $MES -e '(mescc)' module/mescc.scm

   ...so that's why these overrides started to appear in multiple
   places.

* build-aux/pre-inst-env.in (MES_UNINSTALLED): New variable.
* scripts/mescc.in (includedir,libdir): Use it to override these.
* module/mescc/mescc.scm (arch-find): Use it to add <lib>-messc.
2020-10-06 10:44:50 +02:00

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#! @BASH@
# 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/>.
abs_top_srcdir="@abs_top_srcdir@"
export abs_top_srcdir
abs_top_builddir="@abs_top_builddir@"
export abs_top_builddir
prefix=${prefix-@prefix@}
export prefix
program_prefix=${program_prefix-@program_prefix@}
MES_PREFIX=${MES_PREFIX-${abs_top_srcdir}}
export MES_PREFIX
GUILE_LOAD_COMPILED_PATH="$abs_top_builddir/scripts:$abs_top_builddir/module${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"
GUILE_LOAD_PATH="$abs_top_srcdir/module:$abs_top_srcdir/mes:$abs_top_srcdir/guix${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"
if [ -n "$srcdest" ]; then
GUILE_LOAD_PATH="${srcdest}module:${srcdest}mes:$GUILE_LOAD_PATH"
fi
export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH
PATH="$abs_top_builddir/scripts:$abs_top_builddir/scripts:$abs_top_builddir/bin:$abs_top_builddir/build-aux:$PATH"
export PATH
MES=${MES-${abs_top_builddir}/bin/${program_prefix}mes}
export MES
bindir=${abs_top_builddir}/scripts
export bindir
GUIX_PACKAGE_PATH="$abs_top_srcdir/guix${GUIX_PACKAGE_PATH:+:}$GUIX_PACKAGE_PATH"
export GUIX_PACKAGE_PATH
MES_UNINSTALLED=1
export MES_UNINSTALLED
LANG=
LC_ALL=
exec "$@"