Hash :
c2a52bf0
Author :
Date :
2012-06-24T10:36:15
tests: simpler workaround for shells losing the exit status in exit trap Now that we can assume our tests are run by a decent POSIX shell, we can simplify our workaround aimed at having the exit status propagated correctly to the code in the exit trap. Unfortunately, we cannot dispense with such a workaround altogether, because it's still required by some shells we need to support (at least Solaris 10 /bin/ksh and /usr/xpg4/bin/sh). For more information about the need of that workaround, see the entry about 'trap' in the section "Limitations of Shell Builtins" in the Autoconf manual: <http://www.gnu.org/software/autoconf/manual/autoconf.html#trap> The new workaround has been tested successfully with the following shells: - Bash 4.1 - Bash 3.2 - Bash 3.0 - Bash 2.05b - dash 0.5.5.1 - dash 0.5.2 - AT&T Ksh 93u (from official Debian package) - MirBSD Korn Shell 40.2 (from official Debian package) - Solaris 9, 10 and 11 /bin/ksh - Solaris 9, 10 and 11 /usr/xpg4/bin/sh - NetBSD 5.1 /bin/sh - NetBSD 5.1 /bin/ksh * t/ax/test-init.sh (Exit): Rename ... (_am_exit): ... like this. (exit): New alias for '_am_exit'. We cannot simply redefine 'exit' as a shell function, because some shells (dash 0.5.5.1, Solaris 10 /bin/ksh and /usr/xpg4/bin/sh) do not allow it. (_am_exit, trap): Add extra escaping for 'exit' calls, to ensure we really invoke the 'exit' builtin and not our alias with the same name. * configure.ac: Check that the shell selected to run our testsuite supports aliases named like shell builtins. * t/REAMDE: Adjust. * All tests: Adjust, by simply using 'exit' instead of 'Exit'. * t/self-check-explicit-skips.sh: Adjust: the first usage of 'exit' after it has been redefined as an alias must be on a new line w.r.t. that where the alias is defined, in order for the redefinition to be honored. * syntax-checks.mk (sc_tests_Exit_not_exit): Delete. (sc_tests_exit_not_Exit): New. (syntax_check_rules): Adjust. (sc_tests_automake_fails): Simplify the recipe a little. * Several tests: Remove now useless spurious quoting once required to placate the 'sc_tests_Exit_not_exit' maintainer check. * gen-testsuite-part: Likewise. Also, avoid uses of 'Exit' in the generated scripts. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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#! /bin/sh
# Copyright (C) 2010-2012 Free Software Foundation, Inc.
#
# This program 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 2, or (at your option)
# any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
# Basic semantic checks on Yacc support (without yacc-generated headers).
# Keep in sync with sister test 'yacc-cxx.test'.
required='cc yacc'
. ./defs || exit 1
cat >> configure.ac << 'END'
AC_PROG_CC
AC_PROG_YACC
AC_OUTPUT
END
cat > Makefile.am << 'END'
bin_PROGRAMS = foo bar
foo_SOURCES = parse.y foo.c
bar_SOURCES = $(foo_SOURCES)
bar_YFLAGS = -v
.PHONY: echo-distcom
echo-distcom:
@echo ' ' $(DIST_COMMON) ' '
END
cat > parse.y << 'END'
%{
#include <stdio.h>
#include <stdlib.h>
int yylex () { return getchar (); }
void yyerror (char *s) {}
%}
%%
a : 'a' { exit(0); };
END
cat > foo.c << 'END'
int main () { yyparse (); return 1; }
END
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a
./configure
$MAKE
ls -l
# The Yacc-derived C sources must be created, and not removed once
# compiled (i.e., not treated like "intermediate files" in the GNU
# make sense).
test -f parse.c
test -f bar-parse.c
# Check that per-object flags are honored.
test -f bar-parse.output
if ! cross_compiling; then
echo a | ./foo
echo b | ./foo && exit 1
echo a | ./bar
echo b | ./bar && exit 1
: For shells with busted 'set -e'.
fi
# The Yacc-derived C sources must be shipped.
$MAKE echo-distcom
$MAKE -s echo-distcom | grep '[ /]parse\.c '
$MAKE -s echo-distcom | grep '[ /]bar-parse\.c '
$MAKE distdir
ls -l $distdir
test -f $distdir/parse.c
test -f $distdir/bar-parse.c
# Sanity check on distribution.
# Note that, for this to succeed, bar-parse.output must either not
# be distributed, or properly cleaned by automake-generated rules.
# We don't want to set the exact semantics yet, but want to ensure
# they are are consistent.
yl_distcheck
# Make sure that the Yacc-derived C sources are erased by
# maintainer-clean, and not by distclean.
test -f parse.c
test -f bar-parse.c
$MAKE distclean
ls -l
test -f parse.c
test -f bar-parse.c
./configure # We must re-create 'Makefile'.
$MAKE maintainer-clean
ls -l
test ! -f parse.c
test ! -f bar-parse.c
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