mes/build-aux/test-c.sh
Jan (janneke) Nieuwenhuizen 84ff05a839
mescc: Mes C Library: Support gcc-10.
See <https://lists.gnu.org/archive/html/bug-mes/2020-07/msg00000.html>.

Reported by Vagrant Cascadian <vagrant@reproducible-builds.org>.

* include/setjmp.h (jmp_buf): Remove.
* include/errno.h (errno): Mark extern.
* include/mes/lib-mini.h (environ, errno, __stdin, __stdout, __stderr):
Likewise.
* lib/mes/globals.c: New file; define them.
* build-aux/configure-lib.sh (libc_mini_shared_SOURCES,
libmescc_SOURCES): Add it.
* build-aux/test-c.sh: Always use -l c-mini as a minimum.
2020-10-06 13:13:44 +02:00

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#! /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 -z "$config_sh"; then
. ./config.sh
fi
if [ "$V" = 2 ]; then
set -x
fi
t=${1-lib/tests/scaffold/t.c}
b=$(dirname "$t")/$(basename "$t" .c)
o="$b"
o=lib/tests/${b#*lib/tests/}
if [ "$o" = "$b" ]; then
o=./$(basename "$t" .c)
fi
rm -f "$o"
CC=${CC-gcc}
i=$(basename "$t" .c)
if [ -z "${MES_CHECKING_BUILTIN_LIBS}" ]
then
MES_CHECKING_BUILTIN_LIBS="`${CC} --print-libgcc-file-name`"
fi
if [ -z "${i/[012][0-9]-*/}" ]; then
LIBS="${MES_CHECKING_BUILTIN_LIBS} -l c-mini"
elif [ -z "${i/[34][0-9]-*/}" ]; then
LIBS="-l c-mini ${MES_CHECKING_BUILTIN_LIBS} -l c-mini"
elif [ -z "${i/[78][0-9a-z]-*/}" ]; then
LIBS="-l c+tcc ${MES_CHECKING_BUILTIN_LIBS} -l c+tcc"
elif [ -z "${i/9[0-9a-z]-*/}" ]; then
LIBS="-l c+gnu ${MES_CHECKING_BUILTIN_LIBS} -l c+gnu"
else
# Make it possible to resolve raise(), required by libgcc.a, provided
# in libc.a. The final command line has to have "-lc -lgcc -lc".
# See <https://www.openwall.com/lists/musl/2018/05/09/1>.
LIBS="-l c ${MES_CHECKING_BUILTIN_LIBS} -l c"
fi
if test $mes_kernel = gnu\
&& test -z "$LIBS"; then
LIBS="-l c-mini -l mescc"
fi
if test $mes_libc = system; then
crt1=
LIBS='-l mes -l mescc'
else
crt1=crt1.o
fi
$CC -g -c $AM_CPPFLAGS $CPPFLAGS $AM_CFLAGS $CFLAGS -o "$o".o "$t"
$CC -g $AM_CFLAGS $CFLAGS $AM_LDFLAGS $LDFLAGS -L . -o "$o" $crt1 "$o".o $LIBS
set +e
timeout 20 "$o" -s --long file0 file1 > "$o".1 2> "$o".2
r=$?
set -e
if [ -f "$b".exit ]; then
e=$(cat "$b".exit)
else
e=0
fi
[ $r = $e ] || exit 1
if [ -f "$b".stdout ]; then
$DIFF -ub "$b".stdout "$o".1
fi
if [ -f "$b".stderr ]; then
$DIFF -ub "$b".stderr "$o".2
fi