# 4. Finally
# $ exit
+ME_=`expr "./$0" : '.*/\(.*\)$'`
+
+# We use a trap below for cleanup. This requires us to go through
+# hoops to get the right exit status transported through the handler.
+# So use `Exit STATUS' instead of `exit STATUS' inside of the tests.
+# Turn off errexit here so that we don't trip the bug with OSF1/Tru64
+# sh inside this function.
+Exit () { set +e; (exit $1); exit $1; }
+
+# Print warnings (e.g., about skipped and failed tests) to this file number.
+# Override by defining to say, 9, in init.cfg, and putting say,
+# "export ...ENVVAR_SETTINGS...; exec 9>&2; $(SHELL)" in the definition
+# of TESTS_ENVIRONMENT in your tests/Makefile.am file.
+# This is useful when using automake's parallel tests mode, to print
+# the reason for skip/failure to console, rather than to the .log files.
+: ${stderr_fileno_=2}
+
+warn_() { echo "$@" 1>&$stderr_fileno_; }
+fail_() { warn_ "$ME_: failed test: $@"; Exit 1; }
+skip_() { warn_ "$ME_: skipped test: $@"; Exit 77; }
+framework_failure_() { warn_ "$ME_: set-up failure: $@"; Exit 99; }
+
+# Sanitize this shell to POSIX mode, if possible.
+DUALCASE=1; export DUALCASE
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in
+ *posix*) set -o posix ;;
+ esac
+fi
+
# We require $(...) support unconditionally.
# We require a few additional shell features only when $EXEEXT is nonempty,
# in order to support automatic $EXEEXT emulation:
# shells until we find one that passes. If one is found, re-exec it.
# If no acceptable shell is found, skip the current test.
#
+# The "...set -x; P=1 true 2>err..." test is to disqualify any shell that
+# emits "P=1" into err, as /bin/sh from SunOS 5.11 and OpenBSD 4.7 do.
+#
# Use "9" to indicate success (rather than 0), in case some shell acts
# like Solaris 10's /bin/sh but exits successfully instead of with status 2.
+# Eval this code in a subshell to determine a shell's suitability.
+# 10 - passes all tests; ok to use
+# 9 - ok, but enabling "set -x" corrupts application stderr; prefer higher score
+# ? - not ok
gl_shell_test_script_='
test $(echo y) = y || exit 1
-test -z "$EXEEXT" && exit 9
+score_=10
+if test "$VERBOSE" = yes; then
+ test -n "$( (exec 3>&1; set -x; P=1 true 2>&3) 2> /dev/null)" && score_=9
+fi
+test -z "$EXEEXT" && exit $score_
shopt -s expand_aliases
alias a-b="echo zoo"
v=abx
test ${v%x} = ab \
&& test ${v#a} = bx \
&& test $(a-b) = zoo \
- && exit 9
+ && exit $score_
'
if test "x$1" = "x--no-reexec"; then
shift
else
- # 'eval'ing the above code makes Solaris 10's /bin/sh exit with $? set to 2.
- # It does not evaluate any of the code after the "unexpected" `('. Thus,
- # we must run it in a subshell.
- ( eval "$gl_shell_test_script_" ) > /dev/null 2>&1
- if test $? = 9; then
- : # The current shell is adequate. No re-exec required.
- else
- # Search for a shell that meets our requirements.
- for re_shell_ in "${CONFIG_SHELL:-no_shell}" /bin/sh bash dash zsh pdksh fail
- do
- test "$re_shell_" = no_shell && continue
- test "$re_shell_" = fail && skip_ failed to find an adequate shell
+ # Assume a working shell. Export to subshells (setup_ needs this).
+ gl_set_x_corrupts_stderr_=false
+ export gl_set_x_corrupts_stderr_
+
+ # Record the first marginally acceptable shell.
+ marginal_=
+
+ # Search for a shell that meets our requirements.
+ for re_shell_ in __current__ "${CONFIG_SHELL:-no_shell}" \
+ /bin/sh bash dash zsh pdksh fail
+ do
+ test "$re_shell_" = no_shell && continue
+
+ # If we've made it all the way to the sentinel, "fail" without
+ # finding even a marginal shell, skip this test.
+ if test "$re_shell_" = fail; then
+ test -z "$marginal_" && skip_ failed to find an adequate shell
+ re_shell_=$marginal_
+ break
+ fi
+
+ # When testing the current shell, simply "eval" the test code.
+ # Otherwise, run it via $re_shell_ -c ...
+ if test "$re_shell_" = __current__; then
+ # 'eval'ing this code makes Solaris 10's /bin/sh exit with
+ # $? set to 2. It does not evaluate any of the code after the
+ # "unexpected" first `('. Thus, we must run it in a subshell.
+ ( eval "$gl_shell_test_script_" ) > /dev/null 2>&1
+ else
"$re_shell_" -c "$gl_shell_test_script_" 2>/dev/null
- if test $? = 9; then
- # Found an acceptable shell.
- exec "$re_shell_" "$0" --no-reexec "$@"
- echo "$ME_: exec failed" 1>&2
- exit 127
- fi
- done
+ fi
+
+ st_=$?
+
+ # $re_shell_ works just fine. Use it.
+ test $st_ = 10 && break
+
+ # If this is our first marginally acceptable shell, remember it.
+ if test "$st_:$marginal_" = 9: ; then
+ marginal_="$re_shell_"
+ gl_set_x_corrupts_stderr_=true
+ fi
+ done
+
+ if test "$re_shell_" != __current__; then
+ # Found a usable shell. Preserve -v and -x.
+ case $- in
+ *v*x* | *x*v*) opts_=-vx ;;
+ *v*) opts_=-v ;;
+ *x*) opts_=-x ;;
+ *) opts_= ;;
+ esac
+ exec "$re_shell_" $opts_ "$0" --no-reexec "$@"
+ echo "$ME_: exec failed" 1>&2
+ exit 127
fi
fi
: ${MALLOC_PERTURB_=87}
export MALLOC_PERTURB_
-# We use a trap below for cleanup. This requires us to go through
-# hoops to get the right exit status transported through the handler.
-# So use `Exit STATUS' instead of `exit STATUS' inside of the tests.
-# Turn off errexit here so that we don't trip the bug with OSF1/Tru64
-# sh inside this function.
-Exit () { set +e; (exit $1); exit $1; }
-
-# Print warnings (e.g., about skipped and failed tests) to this file number.
-# Override by defining to say, 9, in init.cfg, and putting say,
-# "export ...ENVVAR_SETTINGS...; exec 9>&2; $(SHELL)" in the definition
-# of TESTS_ENVIRONMENT in your tests/Makefile.am file.
-# This is useful when using automake's parallel tests mode, to print
-# the reason for skip/failure to console, rather than to the .log files.
-: ${stderr_fileno_=2}
-
-warn_() { echo "$@" 1>&$stderr_fileno_; }
-fail_() { warn_ "$ME_: failed test: $@"; Exit 1; }
-skip_() { warn_ "$ME_: skipped test: $@"; Exit 77; }
-framework_failure_() { warn_ "$ME_: set-up failure: $@"; Exit 1; }
-
# This is a stub function that is run upon trap (upon regular exit and
# interrupt). Override it with a per-test function, e.g., to unmount
# a partition, or to undo any other global state changes.
feb_result_=
feb_sp_=
for feb_file_ in $feb_dir_/*.exe; do
+ # If there was no *.exe file, or there existed a file named "*.exe" that
+ # was deleted between the above glob expansion and the existence test
+ # below, just skip it.
+ test "x$feb_file_" = "x$feb_dir_/*.exe" && test ! -f "$feb_file_" \
+ && continue
case $feb_file_ in
*[!-a-zA-Z/0-9_.+]*) feb_fail_=1; break;;
*) # Remove leading file name components as well as the .exe suffix.
# For each file name of the form PROG.exe, create an alias named
# PROG that simply invokes PROG.exe, then return 0. If any selected
# file name or the directory name, $1, contains an unexpected character,
-# define no function and return 1.
+# define no alias and return 1.
create_exe_shims_()
{
case $EXEEXT in
setup_()
{
- test "$VERBOSE" = yes && set -x
+ if test "$VERBOSE" = yes; then
+ # Test whether set -x may cause the selected shell to corrupt an
+ # application's stderr. Many do, including zsh-4.3.10 and the /bin/sh
+ # from SunOS 5.11, OpenBSD 4.7 and Irix 5.x and 6.5.
+ # If enabling verbose output this way would cause trouble, simply
+ # issue a warning and refrain.
+ if $gl_set_x_corrupts_stderr_; then
+ warn_ "using SHELL=$SHELL with 'set -x' corrupts stderr"
+ else
+ set -x
+ fi
+ fi
initial_cwd_=$PWD
- ME_=`expr "./$0" : '.*/\(.*\)$'`
pfx_=`testdir_prefix_`
test_dir_=`mktempd_ "$initial_cwd_" "$pfx_-$ME_.XXXX"` \
|| fail_ "failed to create temporary directory in $initial_cwd_"
cd "$test_dir_"
- # These trap statements ensure that the temporary directory, $test_dir_,
- # is removed upon exit as well as upon receipt of any of the listed signals.
- trap remove_tmp_ 0
+ # This trap statement, along with a trap on 0 below, ensure that the
+ # temporary directory, $test_dir_, is removed upon exit as well as
+ # upon receipt of any of the listed signals.
for sig_ in 1 2 3 13 15; do
eval "trap 'Exit $(expr $sig_ + 128)' $sig_"
done
&& . "$srcdir/init.cfg"
setup_ "$@"
+# This trap is here, rather than in the setup_ function, because some
+# shells run the exit trap at shell function exit, rather than script exit.
+trap remove_tmp_ 0