kc3-lang/automake/t/auxdir-autodetect.sh
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Hash : c2a52bf0
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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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t/auxdir-autodetect.sh
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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/>. # Make sure that, if AC_CONFIG_AUX_DIR is not specified, Automake tries # to use '.', '..' and '../..', in precisely that order. . ./defs || exit 1 nil=__no_such_program unset NONESUCH || : cat >>configure.ac << END AM_MISSING_PROG([NONESUCH],[$nil]) AC_OUTPUT END mkdir d3 mkdir d3/d2 mkdir d3/d2/d1 mkdir d3/d2/d1/d0 echo 'echo %%d3%% $*' > d3/missing chmod +x d3/missing echo 'echo %%d2%% $*' > d3/d2/missing chmod +x d3/d2/missing echo 'echo %%d1%% $*' > d3/d2/d1/missing chmod +x d3/d2/d1/missing echo 'echo %%d0%% $*' > d3/d2/d1/d0/missing chmod +x d3/d2/d1/d0/missing mv configure.ac d3/d2/d1/d0/ cd d3/d2/d1/d0 cat > Makefile.am << 'EOF' .PHONY: test test: $(NONESUCH) >$(out) EOF $ACLOCAL $AUTOCONF # ------------------------------------------- # : We must end up with AC_CONFIG_AUX_DIR = . # # ------------------------------------------- # : > install-sh $AUTOMAKE ./configure out=out0 $MAKE test cat out0 grep "%%d0%%.*$nil" out0 grep '%%d[123]' out0 && exit 1 rm -f missing install-sh # -------------------------------------------- # : We must end up with AC_CONFIG_AUX_DIR = .. # # -------------------------------------------- # # Automake finds 'install-sh' in '.', so it assumes that auxdir is '.'; # but it won't find 'missing' in '.', so it will fail. : > install-sh AUTOMAKE_fails grep 'required file.*[^.]\./missing.*not found' stderr rm -f install-sh # Now things should work. : > ../install-sh $AUTOMAKE ./configure out=out1 $MAKE test cat out1 grep "%%d1%%.*$nil" out1 grep '%%d[023]' out1 && exit 1 rm -f ../missing ../install-sh # ----------------------------------------------- # : We must end up with AC_CONFIG_AUX_DIR = ../.. # # ----------------------------------------------- # # Automake finds 'install-sh' in '.', so it assumes that auxdir is '.'; # but it won't find 'missing' in '.', so it will fail. : > install-sh AUTOMAKE_fails grep 'required file.*[^.]\./missing.*not found' stderr rm -f install-sh # Automake finds 'install-sh' in '..', so it assumes that auxdir is '..'; # but it won't find 'missing' in '.', so it will fail. : > ../install-sh AUTOMAKE_fails grep 'required file.*[^.]\.\./missing.*not found' stderr rm -f ../install-sh # Now things should work. : > ../../install-sh $AUTOMAKE ./configure out=out2 $MAKE test cat out2 grep "%%d2%%.*$nil" out2 grep '%%d[013]' out2 && exit 1 rm -f ../../missing ../../install-sh # --------------------------------------------------------- # : AC_CONFIG_AUX_DIR will not be found: Automake must fail # # --------------------------------------------------------- # AUTOMAKE_fails grep 'required file.*missing.*not found' stderr :