3 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2, or (at your option)
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 ########################################################
19 ### IMPORTANT NOTE: keep this file 'set -e' clean. ###
20 ########################################################
22 # Do not source several times.
23 test ${am_test_lib_sourced-no} = yes && return 0
24 am_test_lib_sourced=yes
26 # A literal escape character. Used by test checking colored output.
29 # This might be used in testcases checking distribution-related features.
30 # Test scripts are free to override this if they need to.
33 ## ---------------------- ##
34 ## Environment cleanup. ##
35 ## ---------------------- ##
37 # Temporarily disable this, since some shells (e.g., older version
38 # of Bash) can return a non-zero exit status upon the when a non-set
42 # Unset some make-related variables that may cause $MAKE to act like
43 # a recursively invoked sub-make. Any $MAKE invocation in a test is
44 # conceptually an independent invocation, not part of the main
46 unset MFLAGS MAKEFLAGS AM_MAKEFLAGS MAKELEVEL
47 unset __MKLVL__ MAKE_JOBS_FIFO # For BSD make.
48 unset DMAKE_CHILD DMAKE_DEF_PRINTED DMAKE_MAX_JOBS # For Solaris dmake.
49 # Unset verbosity flag.
51 # Also unset variables that will let "make -e install" divert
52 # files into unwanted directories.
54 unset prefix exec_prefix bindir datarootdir datadir docdir dvidir
55 unset htmldir includedir infodir libdir libexecdir localedir mandir
56 unset oldincludedir pdfdir psdir sbindir sharedstatedir sysconfdir
57 # Unset variables that might change the "make distcheck" behaviour.
58 unset DISTCHECK_CONFIGURE_FLAGS AM_DISTCHECK_CONFIGURE_FLAGS
59 # Used by install rules for info files.
60 unset AM_UPDATE_INFO_DIR
61 # The tests call "make -e" but we do not want $srcdir from the environment
62 # to override the definition from the Makefile.
64 # Also unset variables that control our test driver. While not
65 # conceptually independent, they cause some changed semantics we
66 # need to control (and test for) in some of the tests to ensure
67 # backward-compatible behavior.
68 unset TESTS_ENVIRONMENT AM_TESTS_ENVIRONMENT
69 unset DISABLE_HARD_ERRORS
77 for pfx in TEST_ SH_ TAP_ ''; do
78 unset ${pfx}LOG_COMPILER
79 unset ${pfx}LOG_COMPILE # Not a typo!
81 unset AM_${pfx}LOG_FLAGS
82 unset ${pfx}LOG_DRIVER
83 unset ${pfx}LOG_DRIVER_FLAGS
84 unset AM_${pfx}LOG_DRIVER_FLAGS
88 # Re-enable, it had been temporarily disabled above.
93 # Tell whether we are cross-compiling. This is especially useful to skip
94 # tests (or portions of them) that requires a native compiler.
97 # Quoting from the autoconf manual:
98 # ... [$host_alias and $build both] default to the result of running
99 # config.guess, unless you specify either --build or --host. In
100 # this case, the default becomes the system type you specified.
101 # If you specify both, *and they're different*, configure enters
102 # cross compilation mode (so it doesn't run any tests that require
104 test x"$host_alias" != x && test x"$build_alias" != x"$host_alias"
107 # is_blocked_signal SIGNAL-NUMBER
108 # --------------------------------
109 # Return success if the given signal number is blocked in the shell,
110 # return a non-zero exit status and print a proper diagnostic otherwise.
113 # Use perl, since trying to do this portably in the shell can be
114 # very tricky, if not downright impossible. For reference, see:
115 # <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
118 use warnings FATAL => "all";
120 my %oldsigaction = ();
121 sigaction('"$1"', 0, \%oldsigaction);
122 exit ($oldsigaction{"HANDLER"} eq "IGNORE" ? 0 : 77);
125 elif test $? -eq 77; then
128 fatal_ "couldn't determine whether signal $1 is blocked"
132 # AUTOMAKE_run [-e STATUS] [-d DESCRIPTION] [--] [AUTOMAKE-ARGS...]
133 # -----------------------------------------------------------------
134 # Run automake with AUTOMAKE-ARGS, and fail if it doesn't exit with
135 # STATUS. Should be polymorphic for TAP and "plain" tests. The
136 # DESCRIPTION, when provided, is used for console reporting, only if
137 # the TAP protocol is in use in the current test script.
142 while test $# -gt 0; do
144 -d) am__desc=$2; shift;;
145 -e) am__exp_rc=$2; shift;;
147 # Don't fail on unknown option: assume they (and the rest of the
148 # command line) are to be passed verbatim to automake (so stop our
149 # own option parsing).
155 $AUTOMAKE ${1+"$@"} >stdout 2>stderr || am__got_rc=$?
158 if test $am_test_protocol = none; then
159 test $am__got_rc -eq $am__exp_rc || exit 1
162 if test -z "$am__desc"; then
163 if test $am__got_rc -eq $am__exp_rc; then
164 am__desc="automake exited $am__got_rc"
166 am__desc="automake exited $am__got_rc, expecting $am__exp_rc"
169 command_ok_ "$am__desc" test $am__got_rc -eq $am__exp_rc
172 # AUTOMAKE_fails [-d DESCRIPTION] [OPTIONS...]
173 # --------------------------------------------
174 # Run automake with OPTIONS, and fail if doesn't exit with status 1.
175 # Should be polymorphic for TAP and "plain" tests. The DESCRIPTION,
176 # when provided, is used for console reporting, only if the TAP
177 # protocol is in use in the current test script.
180 AUTOMAKE_run -e 1 ${1+"$@"}
183 # extract_configure_help { --OPTION | VARIABLE-NAME } [FILES]
184 # -----------------------------------------------------------
185 # Use this to extract from the output of "./configure --help" (or similar)
186 # the description or help message associated to the given --OPTION or
188 extract_configure_help ()
190 am__opt_re='' am__var_re=''
192 --*'=') am__opt_re="^ $1";;
193 --*'[=]') am__opt_re='^ '$(printf '%s\n' "$1" | sed 's/...$//')'\[=';;
194 --*) am__opt_re="^ $1( .*|$)";;
195 *) am__var_re="^ $1( .*|$)";;
198 if test x"$am__opt_re" != x; then
200 /'"$am__opt_re"'/ { print; do_print = 1; next; }
201 /^$/ { do_print = 0; next }
202 /^ --/ { do_print = 0; next }
203 (do_print == 1) { print }
207 /'"$am__var_re"'/ { print; do_print = 1; next; }
208 /^$/ { do_print = 0; next }
209 /^ [A-Z][A-Z0-9_]* / { do_print = 0; next }
210 /^ [A-Z][A-Z0-9_]*$/ { do_print = 0; next }
211 (do_print == 1) { print }
216 # grep_configure_help { --OPTION | VARIABLE-NAME } REGEXP
217 # -------------------------------------------------------
218 # Grep the section of "./configure --help" output associated with either
219 # --OPTION or VARIABLE-NAME for the given *extended* regular expression.
220 grep_configure_help ()
222 ./configure --help > am--all-help \
223 || { cat am--all-help; exit 1; }
225 extract_configure_help "$1" am--all-help > am--our-help \
226 || { cat am--our-help; exit 1; }
228 $EGREP "$2" am--our-help || exit 1
233 # Return success if $MAKE is GNU make, return failure otherwise.
234 # Caches the result for speed reasons.
237 case $am__using_gmake in
243 # Use --version AND -v, because SGI Make doesn't fail on --version.
244 # Also grep for GNU because newer versions of FreeBSD make do
245 # not complain about --version (they seem to silently ignore it).
246 if $MAKE --version -v | grep GNU; then
254 fatal_ "invalid value for \$am__using_gmake: '$am__using_gmake'";;
257 am__using_gmake="" # Avoid interferences from the environment.
259 # make_can_chain_suffix_rules
260 # ---------------------------
261 # Return 0 if $MAKE is a make implementation that can chain suffix rules
262 # automatically, return 1 otherwise. Caches the result for speed reasons.
263 make_can_chain_suffix_rules ()
265 if test -z "$am__can_chain_suffix_rules"; then
267 am__can_chain_suffix_rules=yes
270 mkdir am__chain.dir$$
272 unindent > Makefile << 'END'
277 echo make can chain suffix rules > foo.u
278 if $MAKE foo.w && diff foo.u foo.w; then
279 am__can_chain_suffix_rules=yes
281 am__can_chain_suffix_rules=no
284 rm -rf am__chain.dir$$
287 case $am__can_chain_suffix_rules in
290 *) fatal_ "make_can_chain_suffix_rules: internal error";;
293 am__can_chain_suffix_rules="" # Avoid interferences from the environment.
295 # useless_vpath_rebuild
296 # ---------------------
297 # Tell whether $MAKE suffers of the bug triggering automake bug#7884.
298 # For example, this happens with FreeBSD make, since in a VPATH build
299 # it tends to rebuilt files for which there is an explicit or even just
300 # a suffix rule, even if said files are already available in the VPATH
302 useless_vpath_rebuild ()
304 if test -z "$am__useless_vpath_rebuild"; then
306 am__useless_vpath_rebuild=no
309 mkdir am__vpath.dir$$
311 touch foo.a foo.b bar baz
314 unindent > Makefile << 'END'
320 baz: bar ; cp ../baz bar
322 if $MAKE all && test ! -e foo.b && test ! -e bar; then
323 am__useless_vpath_rebuild=no
325 am__useless_vpath_rebuild=yes
328 rm -rf am__vpath.dir$$
330 case $am__useless_vpath_rebuild in
334 *) fatal_ "no_useless_builddir_remake: internal error";;
337 am__useless_vpath_rebuild=""
339 yl_distcheck () { useless_vpath_rebuild || $MAKE distcheck ${1+"$@"}; }
341 # count_test_results total=N pass=N fail=N xpass=N xfail=N skip=N error=N
342 # -----------------------------------------------------------------------
343 # Check that a testsuite run driven by the parallel-tests harness has
344 # had the specified numbers of test results (specified by kind).
345 # This function assumes that the output of "make check" or "make recheck"
346 # has been saved in the 'stdout' file in the current directory, and its
347 # log in the 'test-suite.log' file.
348 count_test_results ()
350 # Use a subshell so that we won't pollute the script namespace.
352 # TODO: Do proper checks on the arguments?
353 total=ERR pass=ERR fail=ERR xpass=ERR xfail=ERR skip=ERR error=ERR
356 $EGREP -i '(total|x?pass|x?fail|skip|error)' stdout || :
358 # Avoid spurious failures with shells with "overly sensible"
359 # errexit shell flag, such as e.g., Solaris /bin/sh.
361 test $(grep -c '^PASS:' stdout) -eq $pass || rc=1
362 test $(grep -c '^XFAIL:' stdout) -eq $xfail || rc=1
363 test $(grep -c '^SKIP:' stdout) -eq $skip || rc=1
364 test $(grep -c '^FAIL:' stdout) -eq $fail || rc=1
365 test $(grep -c '^XPASS:' stdout) -eq $xpass || rc=1
366 test $(grep -c '^ERROR:' stdout) -eq $error || rc=1
367 grep "^# TOTAL: *$total$" stdout || rc=1
368 grep "^# PASS: *$pass$" stdout || rc=1
369 grep "^# XFAIL: *$xfail$" stdout || rc=1
370 grep "^# SKIP: *$skip$" stdout || rc=1
371 grep "^# FAIL: *$fail$" stdout || rc=1
372 grep "^# XPASS: *$xpass$" stdout || rc=1
373 grep "^# ERROR: *$error$" stdout || rc=1
378 # get_shell_script SCRIPT-NAME
379 # -----------------------------
380 # Fetch an Automake-provided shell script from the 'lib/' directory into
381 # the current directory, and, if the '$am_test_prefer_config_shell'
382 # variable is set to "yes", modify its shebang line to use $SHELL instead
386 test ! -f "$1" || rm -f "$1" || return 99
387 if test x"$am_test_prefer_config_shell" = x"yes"; then
388 sed "1s|#!.*|#! $SHELL|" "$am_scriptdir/$1" > "$1" \
392 cp -f "$am_scriptdir/$1" . || return 99
394 sed 10q "$1" # For debugging.
399 # Skip the test if the given shell fails to support common XSI constructs.
402 test $# -eq 1 || fatal_ "require_xsi needs exactly one argument"
403 echo "$me: trying some XSI constructs with $1"
404 $1 -c "$xsi_shell_code" || skip_all_ "$1 lacks XSI features"
406 # Shell code supposed to work only with XSI shells. Keep this in sync
407 # with libtool.m4:_LT_CHECK_SHELL_FEATURES.
410 test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \
412 && eval '\''test $(( 1 + 1 )) -eq 2 \
413 && test "${#_lt_dummy}" -eq 5'\'
417 # Fetch the Automake-provided TAP driver from the 'lib/' directory into
418 # the current directory, and edit its shebang line so that it will be
419 # run with the perl interpreter determined at configure time.
422 # TODO: we should devise a way to make the shell TAP driver tested also
423 # TODO: with /bin/sh, for better coverage.
424 case $am_tap_implementation in
425 # Extra quoting required to avoid maintainer-check spurious failures.
427 $PERL -MTAP::Parser -e 1 \
428 || skip_all_ "cannot import TAP::Parser perl module"
429 sed "1s|#!.*|#! $PERL -w|" "$am_scriptdir"/tap-driver.pl >tap-driver
432 AM_TAP_AWK=$AWK; export AM_TAP_AWK
433 sed "1s|#!.*|#! $SHELL|" "$am_scriptdir"/tap-driver.sh >tap-driver
436 fatal_ "invalid \$am_tap_implementation '$am_tap_implementation'" ;;
438 && chmod a+x tap-driver \
439 || framework_failure_ "couldn't fetch $am_tap_implementation TAP driver"
440 sed 10q tap-driver # For debugging.
442 # The shell/awk implementation of the TAP driver is still mostly dummy, so
443 # use the perl implementation by default for the moment.
444 am_tap_implementation=${am_tap_implementation-shell}
446 # $PYTHON and support for PEP-3147. Needed to check our python-related
448 python_has_pep3147 ()
450 if test -z "$am_pep3147_tag"; then
451 am_pep3147_tag=$($PYTHON -c 'import imp; print(imp.get_tag())') \
452 || am_pep3147_tag=none
454 test $am_pep3147_tag != none
458 # pyc_location [-p] [FILE]
459 # ------------------------
460 # Determine what the actual location of the given '.pyc' or '.pyo'
461 # byte-compiled file should be, taking into account PEP-3147. Save
462 # the location in the '$am_pyc_file' variable. If the '-p' option
463 # is given, print the location on the standard output as well.
467 2,-p) am_pyc_print=yes; shift;;
468 1,*) am_pyc_print=no;;
469 *) fatal_ "pyc_location: invalid usage";;
471 if python_has_pep3147; then
473 */*) am_pyc_dir=${1%/*} am_pyc_base=${1##*/};;
474 *) am_pyc_dir=. am_pyc_base=$1;;
476 am_pyc_ext=${am_pyc_base##*.}
477 am_pyc_base=${am_pyc_base%.py?}
478 am_pyc_file=$am_pyc_dir/__pycache__/$am_pyc_base.$am_pep3147_tag.$am_pyc_ext
482 test $am_pyc_print = no || printf '%s\n' "$am_pyc_file"
485 # py_installed [--not] FILE
486 # --------------------------
487 # Check that the given python FILE has been installed (resp. *not*
488 # installed, if the '--not' option is specified). If FILE is a
489 # byte-compiled '.pyc' file, the new installation layout specified
490 # by PEP-3147 will be taken into account.
494 1,*) am_test_py_file='test -f';;
495 2,--not) am_test_py_file='test ! -e'; shift;;
496 *) fatal_ "pyc_installed: invalid usage";;
499 *.py[co]) pyc_location "$1"; am_target_py_file=$am_pyc_file;;
500 *) am_target_py_file=$1;;
502 $am_test_py_file "$am_target_py_file"
505 # Usage: require_compiler_ {cc|c++|fortran|fortran77}
509 0) fatal_ "require_compiler_: missing argument";;
511 *) fatal_ "require_compiler_: too many arguments";;
517 am__comp_flag_vars='CFLAGS CPPFLAGS'
522 am__comp_flag_vars='CXXFLAGS CPPFLAGS'
525 am__comp_lang="Fortran"
527 am__comp_flag_vars='FCFLAGS'
530 am__comp_lang="Fortran 77"
532 am__comp_flag_vars='FFLAGS'
536 eval "am__comp_prog=\${$am__comp_var}" \
537 || fatal_ "expanding \${$am__comp_var} in require_compiler_"
538 case $am__comp_prog in
540 fatal_ "botched configuration: \$$am__comp_var is empty";;
542 skip_all_ "no $am__comp_lang compiler available";;
543 autodetect|autodetected)
544 # Let the ./configure commands in the test script try to determine
545 # these automatically.
546 unset $am__comp_var $am__comp_flag_vars;;
548 # Pre-set these for the ./configure commands in the test script.
549 export $am__comp_var $am__comp_flag_vars;;
551 # Delete private variables.
552 unset am__comp_lang am__comp_prog am__comp_var am__comp_flag_vars
555 ## ----------------------------------------------------------- ##
556 ## Checks for required tools, and additional setups (if any) ##
557 ## required by them. ##
558 ## ----------------------------------------------------------- ##
564 cc|c++|fortran|fortran77)
565 require_compiler_ $1;;
567 if test x"$am_test_prefer_config_shell" = x"yes"; then
570 require_xsi "/bin/sh"
574 # Do not use --version, older versions bzip2 still tries to compress
576 echo "$me: running bzip2 --help"
578 || skip_all_ "required program 'bzip2' not available"
582 # Don't export CFLAGS, as that could have been initialized to only
583 # work with the C compiler detected at configure time. If the user
584 # wants CFLAGS to also influence 'cl', he can still export CFLAGS
585 # in the environment "by hand" before calling the testsuite.
587 echo "$me: running $CC -?"
588 $CC -? || skip_all_ "Microsoft C compiler '$CC' not available"
591 # Exuberant Ctags will create a TAGS file even
592 # when asked for --help or --version. (Emacs's etags
593 # does not have such problem.) Use -o /dev/null
594 # to make sure we do not pollute the build directory.
595 echo "$me: running etags --version -o /dev/null"
596 etags --version -o /dev/null \
597 || skip_all_ "required program 'etags' not available"
600 for make_ in "$MAKE" gmake gnumake :; do
601 MAKE=$make_ am__using_gmake=''
602 test "$MAKE" = : && break
603 echo "$me: determine whether $MAKE is GNU make"
605 : For shells with busted 'set -e'.
607 test "$MAKE" = : && skip_all_ "this test requires GNU make"
612 GCJ=$GNU_GCJ GCJFLAGS=$GNU_GCJFLAGS; export GCJ GCJFLAGS
613 test "$GCJ" = false && skip_all_ "GNU Java compiler unavailable"
614 : For shells with busted 'set -e'.
617 CC=$GNU_CC CFLAGS=$GNU_CFLAGS; export CC CFLAGS CPPFLAGS
618 test "$CC" = false && skip_all_ "GNU C compiler unavailable"
619 : For shells with busted 'set -e'.
622 CXX=$GNU_CXX CXXFLAGS=$GNU_CXXFLAGS; export CXX CXXFLAGS CPPFLAGS
623 test "$CXX" = false && skip_all_ "GNU C++ compiler unavailable"
624 : For shells with busted 'set -e'.
627 FC=$GNU_FC FCFLAGS=$GNU_FCFLAGS; export FC FCFLAGS
628 test "$FC" = false && skip_all_ "GNU Fortran compiler unavailable"
629 case " $required " in
631 *) F77=$FC FFLAGS=$FCFLAGS; export F77 FFLAGS;;
635 F77=$GNU_F77 FFLAGS=$GNU_FFLAGS; export F77 FFLAGS
636 test "$F77" = false && skip_all_ "GNU Fortran 77 compiler unavailable"
637 case " $required " in
639 *) FC=$F77 FCFLAGS=$FFLAGS; export FC FCFLAGS;;
643 # Check that grep can parse nonprinting characters correctly.
644 # BSD 'grep' works from a pipe, but not a seekable file.
645 # GNU or BSD 'grep -a' works on files, but is not portable.
646 case $(echo "$esc" | grep .)$(echo "$esc" | grep "$esc") in
648 *) skip_ "grep can't handle nonprinting characters correctly";;
652 # The Java compiler from JDK 1.5 (and presumably earlier versions)
653 # cannot handle the '-version' option by itself: it bails out
654 # telling that source files are missing. Adding also the '-help'
655 # option seems to solve the problem.
656 echo "$me: running javac -version -help"
657 javac -version -help || skip_all_ "Sun Java compiler not available"
660 # See the comments above about 'javac' for why we use also '-help'.
661 echo "$me: running java -version -help"
662 java -version -help || skip_all_ "Sun Java interpreter not found"
667 # Attempting to create an empty archive will actually not
668 # create the archive, but lib will output its version.
669 echo "$me: running $AR -out:defstest.lib"
670 $AR -out:defstest.lib \
671 || skip_all_ "Microsoft 'lib' utility not available"
674 echo "$me: running makedepend -f-"
676 || skip_all_ "required program 'makedepend' not available"
679 uname_s=$(uname -s || echo UNKNOWN)
680 echo "$me: system name: $uname_s"
683 *) skip_all_ "this test requires MSYS in MinGW mode" ;;
688 # Skip this test case if the user is root.
689 # We try to append to a read-only file to detect this.
690 priv_check_temp=priv-check.$$
691 touch $priv_check_temp && chmod a-w $priv_check_temp \
692 || framework_failure_ "creating unwritable file $priv_check_temp"
693 # Not a useless use of subshell: lesser shells might bail
694 # out if a builtin fails.
696 (echo foo >> $priv_check_temp) || overwrite_status=$?
697 rm -f $priv_check_temp
698 if test $overwrite_status -eq 0; then
699 skip_all_ "cannot drop file write permissions"
701 unset priv_check_temp overwrite_status
703 # Extra quoting required to avoid maintainer-check spurious failures.
705 if test "$WANT_NO_THREADS" = "yes"; then
706 skip_all_ "Devel::Cover cannot cope with threads"
710 # Don't use "&&" here, to avoid a bug of 'set -e' present in
711 # some (even relatively recent) versions of the BSD shell.
712 # We add the dummy "else" branch for extra safety.
713 ! cross_compiling || skip_all_ "doesn't work in cross-compile mode"
716 PYTHON=${PYTHON-python}
717 # Older python versions don't support --version, they have -V.
718 echo "$me: running $PYTHON -V"
719 $PYTHON -V || skip_all_ "python interpreter not available"
722 # Skip this test case if read-only directories aren't supported
724 ro_dir_temp=ro_dir.$$
725 mkdir $ro_dir_temp && chmod a-w $ro_dir_temp \
726 || framework_failure_ "creating unwritable directory $ro_dir_temp"
727 # Not a useless use of subshell: lesser shells might bail
728 # out if a builtin fails.
730 (: > $ro_dir_temp/probe) || create_status=$?
732 if test $create_status -eq 0; then
733 skip_all_ "cannot drop directory write permissions"
735 unset ro_dir_temp create_status
738 # DejaGnu's runtest program. We rely on being able to specify
739 # the program on the runtest command-line. This requires
740 # DejaGnu 1.4.3 or later.
741 echo "$me: running runtest SOMEPROGRAM=someprogram --version"
742 runtest SOMEPROGRAM=someprogram --version \
743 || skip_all_ "DejaGnu is not available"
746 # No all versions of Tex support '--version', so we use
748 if test -z "$TEX"; then
749 skip_all_ "TeX is required, but it wasn't found by configure"
753 test x"$LEX" = x"false" && skip_all_ "lex not found or disabled"
757 test x"$YACC" = x"false" && skip_all_ "yacc not found or disabled"
762 echo "$me: running flex --version"
763 flex --version || skip_all_ "required program 'flex' not available"
766 YACC='bison -y'; export YACC
767 echo "$me: running bison --version"
768 bison --version || skip_all_ "required program 'bison' not available"
771 # Generic case: the tool must support --version.
772 echo "$me: running $1 --version"
773 # It is not likely but possible that the required tool is a special
774 # builtin, in which case the shell is allowed to exit after an error.
775 # So we need the subshell here. Also, some tools, like Sun cscope,
776 # can be interactive without redirection.
777 ($1 --version) </dev/null \
778 || skip_all_ "required program '$1' not available"
783 process_requirements ()
785 # Look for (and maybe set up) required tools and/or system features;
786 # skip the current test if they are not found.
787 for am_tool in $*; do
788 require_tool $am_tool
790 # We might need extra m4 macros, e.g., for Libtool or Gettext.
791 for am_tool in gettext libtool pkg-config; do
792 case " $required " in
793 # The lack of whitespace after $am_tool is intended.
794 *" $am_tool"*) . ./t/$am_tool-macros.dir/get.sh;;
797 am_tool=; unset am_tool
800 ## ---------------------------------------------------------------- ##
801 ## Create and set up of the temporary directory used by the test. ##
802 ## ---------------------------------------------------------------- ##
806 # The subdirectory where the current test script will run and write its
807 # temporary/data files. This will be created shortly, and will be removed
808 # by the cleanup trap below if the test passes. If the test doesn't pass,
809 # this directory will be kept, to facilitate debugging.
810 am_test_subdir=${argv0#$am_rel_srcdir/}
811 case $am_test_subdir in
812 */*) am_test_subdir=${am_test_subdir%/*}/$me.dir;;
813 *) am_test_subdir=$me.dir;;
815 test ! -e $am_test_subdir || rm_rf_ $am_test_subdir \
816 || framework_failure_ "removing old test subdirectory"
817 $MKDIR_P $am_test_subdir \
818 || framework_failure_ "creating test subdirectory"
820 || framework_failure_ "cannot chdir into test subdirectory"
821 if test x"$am_create_testdir" != x"empty"; then
822 cp "$am_scriptdir"/install-sh "$am_scriptdir"/missing \
823 "$am_scriptdir"/depcomp . \
824 || framework_failure_ "fetching common files from $am_scriptdir"
825 # Build appropriate environment in test directory. E.g., create
826 # configure.ac, touch all necessary files, etc. Don't use AC_OUTPUT,
827 # but AC_CONFIG_FILES so that appending still produces a valid
828 # configure.ac. But then, tests running config.status really need
829 # to append AC_OUTPUT.
831 echo "AC_INIT([$me], [1.0])"
832 if test x"$am_serial_tests" = x"yes"; then
833 echo "AM_INIT_AUTOMAKE([serial-tests])"
835 echo "AM_INIT_AUTOMAKE"
837 echo "AC_CONFIG_FILES([Makefile])"
838 } >configure.ac || framework_failure_ "creating configure.ac skeleton"
844 echo "Running from installcheck: $am_running_installcheck"
845 echo "Test Protocol: $am_test_protocol"