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glibc/posix/tst-getconf.sh
Joseph Myers 8540f6d2a7 Don't require test wrappers to preserve environment variables, use more consistent environment. 
One wart in the original support for test wrappers for cross testing,
as noted in
<https://sourceware.org/ml/libc-alpha/2012-10/msg00722.html>, is the
requirement for test wrappers to pass a poorly-defined set of
environment variables from the build system to the system running the
glibc under test.  Although some variables are passed explicitly via
$(test-wrapper-env), including LD_* variables that simply can't be
passed implicitly because of the side effects they'd have on the build
system's dynamic linker, others are passed implicitly, including
variables such as GCONV_PATH and LOCPATH that could potentially affect
the build system's libc (so effectively relying on any such effects
not breaking the wrappers).  In addition, the code in
cross-test-ssh.sh for preserving environment variables is fragile (it
depends on how bash formats a list of exported variables, and could
well break for multi-line variable definitions where the contents
contain things looking like other variable definitions).

This patch moves to explicitly passing environment variables via
$(test-wrapper-env).  Makefile variables that previously used
$(test-wrapper) are split up into -before-env and -after-env parts
that can be passed separately to the various .sh files used in
testing, so those files can then insert environment settings between
the two parts.

The common default environment settings in make-test-out are made into
a separate makefile variable that can also be passed to scripts,
rather than many scripts duplicating those settings (for testing an
installed glibc, it is desirable to have the GCONV_PATH setting on
just one place, so just that one place needs to support it pointing to
an installed sysroot instead of the build tree).  The default settings
are included in the variables such as $(test-program-prefix), so that
if tests do not need any non-default settings they can continue to use
single variables rather than the split-up variables.

Although this patch cleans up LC_ALL=C settings (that being part of
the common defaults), various LANG=C and LANGUAGE=C settings remain.
Those are generally unnecessary and I propose a subsequent cleanup to
remove them.  LC_ALL takes precedence over LANG, and while LANGUAGE
takes precedence over LC_ALL, it only does so for settings other than
LC_ALL=C.  So LC_ALL=C on its own is sufficient to ensure the C
locale, and anything that gets LC_ALL=C does not need the other
settings.

While preparing this patch I noticed some tests with .sh files that
appeared to do nothing beyond what the generic makefile support for
tests can do (localedata/tst-wctype.sh - the makefiles support -ENV
variables and .input files - and localedata/tst-mbswcs.sh - just runs
five tests that could be run individually from the makefile).  So I
propose another subsequent cleanup to move those to using the generic
support instead of special .sh files.

Tested x86_64 (native) and powerpc32 (cross).

	* Makeconfig (run-program-env): New variable.
	(run-program-prefix-before-env): Likewise.
	(run-program-prefix-after-env): Likewise.
	(run-program-prefix): Define in terms of new variables.
	(built-program-cmd-before-env): New variable.
	(built-program-cmd-after-env): Likewise.
	(built-program-cmd): Define in terms of new variables.
	(test-program-prefix-before-env): New variable.
	(test-program-prefix-after-env): Likewise.
	(test-program-prefix): Define in terms of new variables.
	(test-program-cmd-before-env): New variable.
	(test-program-cmd-after-env): Likewise.
	(test-program-cmd): Define in terms of new variables.
	* Rules (make-test-out): Use $(run-program-env).
	* scripts/cross-test-ssh.sh (env_blacklist): Remove variable.
	(help): Do not mention environment variables.  Mention
	--timeoutfactor option.
	(timeoutfactor): New variable.
	(blacklist_exports): Remove function.
	(exports): Remove variable.
	(command): Do not include ${exports}.
	* manual/install.texi (Configuring and compiling): Do not mention
	test wrappers preserving environment variables.  Mention that last
	assignment to a variable must take precedence.
	* INSTALL: Regenerated.
	* benchtests/Makefile (run-bench): Use $(run-program-env).
	* catgets/Makefile ($(objpfx)test1.cat): Use
	$(built-program-cmd-before-env), $(run-program-env) and
	$(built-program-cmd-after-env).
	($(objpfx)test2.cat): Do not specify environment variables
	explicitly.
	($(objpfx)de/libc.cat): Use $(built-program-cmd-before-env),
	$(run-program-env) and $(built-program-cmd-after-env).
	($(objpfx)test-gencat.out): Use $(test-program-cmd-before-env),
	$(run-program-env) and $(test-program-cmd-after-env).
	($(objpfx)sample.SJIS.cat): Do not specify environment variables
	explicitly.
	* catgets/test-gencat.sh: Use test_program_cmd_before_env,
	run_program_env and test_program_cmd_after_env arguments.
	* elf/Makefile ($(objpfx)tst-pathopt.out): Use $(run-program-env).
	* elf/tst-pathopt.sh: Use run_program_env argument.
	* iconvdata/Makefile ($(objpfx)iconv-test.out): Use
	$(test-wrapper-env) and $(run-program-env).
	* iconvdata/run-iconv-test.sh: Use test_wrapper_env and
	run_program_env arguments.
	* iconvdata/tst-table.sh: Do not set GCONV_PATH explicitly.
	* intl/Makefile ($(objpfx)tst-gettext.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	($(objpfx)tst-gettext2.out): Likewise.
	* intl/tst-gettext.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* intl/tst-gettext2.sh: Likewise.
	* intl/tst-gettext4.sh: Do not set environment variables
	explicitly.
	* intl/tst-gettext6.sh: Likewise.
	* intl/tst-translit.sh: Likewise.
	* malloc/Makefile ($(objpfx)tst-mtrace.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	* malloc/tst-mtrace.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* math/Makefile (run-regen-ulps): Use $(run-program-env).
	* nptl/Makefile ($(objpfx)tst-tls6.out): Use $(run-program-env).
	* nptl/tst-tls6.sh: Use run_program_env argument.  Set LANG=C
	explicitly with each use of ${test_wrapper_env}.
	* posix/Makefile ($(objpfx)wordexp-tst.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	* posix/tst-getconf.sh: Do not set environment variables
	explicitly.
	* posix/wordexp-tst.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* stdio-common/tst-printf.sh: Do not set environment variables
	explicitly.
	* stdlib/Makefile ($(objpfx)tst-fmtmsg.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	* stdlib/tst-fmtmsg.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	Split $test calls into $test_pre and $test.
	* timezone/Makefile (build-testdata): Use
	$(built-program-cmd-before-env), $(run-program-env) and
	$(built-program-cmd-after-env).

localedata/ChangeLog:
	* Makefile ($(addprefix $(objpfx),$(CTYPE_FILES))): Use
	$(built-program-cmd-before-env), $(run-program-env) and
	$(built-program-cmd-after-env).
	($(objpfx)sort-test.out): Use $(test-program-prefix-before-env),
	$(run-program-env) and $(test-program-prefix-after-env).
	($(objpfx)tst-fmon.out): Use $(run-program-prefix-before-env),
	$(run-program-env) and $(run-program-prefix-after-env).
	($(objpfx)tst-locale.out): Use $(built-program-cmd-before-env),
	$(run-program-env) and $(built-program-cmd-after-env).
	($(objpfx)tst-trans.out): Use $(run-program-prefix-before-env),
	$(run-program-env), $(run-program-prefix-after-env),
	$(test-program-prefix-before-env) and
	$(test-program-prefix-after-env).
	($(objpfx)tst-ctype.out): Use $(test-program-cmd-before-env),
	$(run-program-env) and $(test-program-cmd-after-env).
	($(objpfx)tst-wctype.out): Likewise.
	($(objpfx)tst-langinfo.out): Likewise.
	($(objpfx)tst-langinfo-static.out): Likewise.
	* gen-locale.sh: Use localedef_before_env, run_program_env and
	localedef_after_env arguments.
	* sort-test.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* tst-ctype.sh: Use tst_ctype_before_env, run_program_env and
	tst_ctype_after_env arguments.
	* tst-fmon.sh: Use run_program_prefix_before_env, run_program_env
	and run_program_prefix_after_env arguments.
	* tst-langinfo.sh: Use tst_langinfo_before_env, run_program_env
	and tst_langinfo_after_env arguments.
	* tst-locale.sh: Use localedef_before_env, run_program_env and
	localedef_after_env arguments.
	* tst-mbswcs.sh: Do not set environment variables explicitly.
	* tst-numeric.sh: Likewise.
	* tst-rpmatch.sh: Likewise.
	* tst-trans.sh: Use run_program_prefix_before_env,
	run_program_env, run_program_prefix_after_env,
	test_program_prefix_before_env and test_program_prefix_after_env
	arguments.
	* tst-wctype.sh: Use tst_wctype_before_env, run_program_env and
	tst_wctype_after_env arguments.
2014-06-06 22:19:27 +00:00

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#! /bin/sh
# Test for getconf(1).
# Copyright (C) 2001-2014 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library 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
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
set -e
common_objpfx=$1; shift
run_getconf=$1; shift
logfile=$common_objpfx/posix/tst-getconf.out
rm -f $logfile
result=0
while read name; do
echo -n "getconf $name: " >> $logfile
${run_getconf} "$name" < /dev/null 2>> $logfile >> $logfile
if test $? -ne 0; then
echo "*** $name FAILED" >> $logfile
result=1
fi
done <<EOF
AIO_LISTIO_MAX
AIO_MAX
AIO_PRIO_DELTA_MAX
ARG_MAX
ATEXIT_MAX
BC_BASE_MAX
BC_DIM_MAX
BC_SCALE_MAX
BC_STRING_MAX
CHILD_MAX
COLL_WEIGHTS_MAX
DELAYTIMER_MAX
EXPR_NEST_MAX
HOST_NAME_MAX
IOV_MAX
LINE_MAX
LOGIN_NAME_MAX
NGROUPS_MAX
MQ_OPEN_MAX
MQ_PRIO_MAX
OPEN_MAX
_POSIX_ADVISORY_INFO
_POSIX_BARRIERS
_POSIX_ASYNCHRONOUS_IO
_POSIX_BASE
_POSIX_C_LANG_SUPPORT
_POSIX_C_LANG_SUPPORT_R
_POSIX_CLOCK_SELECTION
_POSIX_CPUTIME
_POSIX_DEVICE_IO
_POSIX_DEVICE_SPECIFIC
_POSIX_DEVICE_SPECIFIC_R
_POSIX_FD_MGMT
_POSIX_FIFO
_POSIX_FILE_ATTRIBUTES
_POSIX_FILE_LOCKING
_POSIX_FILE_SYSTEM
_POSIX_FSYNC
_POSIX_JOB_CONTROL
_POSIX_MAPPED_FILES
_POSIX_MEMLOCK
_POSIX_MEMLOCK_RANGE
_POSIX_MEMORY_PROTECTION
_POSIX_MESSAGE_PASSING
_POSIX_MONOTONIC_CLOCK
_POSIX_MULTI_PROCESS
_POSIX_NETWORKING
_POSIX_PIPE
_POSIX_PRIORITIZED_IO
_POSIX_PRIORITY_SCHEDULING
_POSIX_READER_WRITER_LOCKS
_POSIX_REALTIME_SIGNALS
_POSIX_REGEXP
_POSIX_SAVED_IDS
_POSIX_SEMAPHORES
_POSIX_SHARED_MEMORY_OBJECTS
_POSIX_SHELL
_POSIX_SIGNALS
_POSIX_SINGLE_PROCESS
_POSIX_SPAWN
_POSIX_SPIN_LOCKS
_POSIX_SPORADIC_SERVER
_POSIX_SYNCHRONIZED_IO
_POSIX_SYSTEM_DATABASE
_POSIX_SYSTEM_DATABASE_R
_POSIX_THREAD_ATTR_STACKADDR
_POSIX_THREAD_ATTR_STACKSIZE
_POSIX_THREAD_CPUTIME
_POSIX_THREAD_PRIO_INHERIT
_POSIX_THREAD_PRIO_PROTECT
_POSIX_THREAD_PRIORITY_SCHEDULING
_POSIX_THREAD_PROCESS_SHARED
_POSIX_THREAD_SAFE_FUNCTIONS
_POSIX_THREAD_SPORADIC_SERVER
_POSIX_THREADS
_POSIX_TIMEOUTS
_POSIX_TIMERS
_POSIX_TRACE
_POSIX_TRACE_EVENT_FILTER
_POSIX_TRACE_INHERIT
_POSIX_TRACE_LOG
_POSIX_TYPED_MEMORY_OBJECTS
_POSIX_USER_GROUPS
_POSIX_USER_GROUPS_R
_POSIX_VERSION
_POSIX_V6_ILP32_OFF32
_POSIX_V6_ILP32_OFFBIG
_POSIX_V6_LP64_OFF64
_POSIX_V6_LPBIG_OFFBIG
_POSIX_V6_WIDTH_RESTRICTED_ENVS
POSIX2_C_BIND
POSIX2_C_DEV
POSIX2_C_VERSION
POSIX2_CHAR_TERM
POSIX2_FORT_DEV
POSIX2_FORT_RUN
POSIX2_LOCALEDEF
POSIX2_PBS
POSIX2_PBS_ACCOUNTING
POSIX2_PBS_LOCATE
POSIX2_PBS_MESSAGE
POSIX2_PBS_TRACK
POSIX2_SW_DEV
POSIX2_UPE
POSIX2_VERSION
_REGEX_VERSION
PAGE_SIZE
PAGESIZE
PTHREAD_DESTRUCTOR_ITERATIONS
PTHREAD_KEYS_MAX
PTHREAD_STACK_MIN
PTHREAD_THREADS_MAX
RE_DUP_MAX
RTSIG_MAX
SEM_NSEMS_MAX
SEM_VALUE_MAX
SIGQUEUE_MAX
STREAM_MAX
SYMLOOP_MAX
TIMER_MAX
TTY_NAME_MAX
TZNAME_MAX
_XBS5_ILP32_OFF32
_XBS5_ILP32_OFFBIG
_XBS5_LP64_OFF64
_XBS5_LPBIG_OFFBIG
_XOPEN_CRYPT
_XOPEN_ENH_I18N
_XOPEN_LEGACY
_XOPEN_REALTIME
_XOPEN_REALTIME_THREADS
_XOPEN_SHM
_XOPEN_UNIX
_XOPEN_VERSION
_XOPEN_XCU_VERSION
PATH
POSIX_V6_ILP32_OFF32_CFLAGS
POSIX_V6_ILP32_OFF32_LDFLAGS
POSIX_V6_ILP32_OFF32_LIBS
POSIX_V6_ILP32_OFF32_LINTFLAGS
POSIX_V6_ILP32_OFFBIG_CFLAGS
POSIX_V6_ILP32_OFFBIG_LDFLAGS
POSIX_V6_ILP32_OFFBIG_LIBS
POSIX_V6_ILP32_OFFBIG_LINTFLAGS
POSIX_V6_LP64_OFF64_CFLAGS
POSIX_V6_LP64_OFF64_LDFLAGS
POSIX_V6_LP64_OFF64_LIBS
POSIX_V6_LP64_OFF64_LINTFLAGS
POSIX_V6_LPBIG_OFFBIG_CFLAGS
POSIX_V6_LPBIG_OFFBIG_LDFLAGS
POSIX_V6_LPBIG_OFFBIG_LIBS
POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
XBS5_ILP32_OFF32_CFLAGS
XBS5_ILP32_OFF32_LDFLAGS
XBS5_ILP32_OFF32_LIBS
XBS5_ILP32_OFF32_LINTFLAGS
XBS5_ILP32_OFFBIG_CFLAGS
XBS5_ILP32_OFFBIG_LDFLAGS
XBS5_ILP32_OFFBIG_LIBS
XBS5_ILP32_OFFBIG_LINTFLAGS
XBS5_LP64_OFF64_CFLAGS
XBS5_LP64_OFF64_LDFLAGS
XBS5_LP64_OFF64_LIBS
XBS5_LP64_OFF64_LINTFLAGS
XBS5_LPBIG_OFFBIG_CFLAGS
XBS5_LPBIG_OFFBIG_LDFLAGS
XBS5_LPBIG_OFFBIG_LIBS
XBS5_LPBIG_OFFBIG_LINTFLAGS
EOF
while read name; do
echo -n "getconf $name /: " >> $logfile
${run_getconf} "$name" / < /dev/null 2>> $logfile >> $logfile
if test $? -ne 0; then
echo "*** $name FAILED" >> $logfile
result=1
fi
done <<EOF
FILESIZEBITS
LINK_MAX
MAX_CANON
MAX_INPUT
NAME_MAX
PATH_MAX
PIPE_BUF
POSIX_ALLOC_SIZE_MIN
POSIX_REC_INCR_XFER_SIZE
POSIX_REC_MAX_XFER_SIZE
POSIX_REC_MIN_XFER_SIZE
POSIX_REC_XFER_ALIGN
SYMLINK_MAX
_POSIX_CHOWN_RESTRICTED
_POSIX_NO_TRUNC
_POSIX_VDISABLE
_POSIX_ASYNC_IO
_POSIX_PRIO_IO
_POSIX_SYNC_IO
EOF
exit $result
# Preserve executable bits for this shell script.
Local Variables:
eval:(defun frobme () (set-file-modes buffer-file-name file-mode))
eval:(make-local-variable 'file-mode)
eval:(setq file-mode (file-modes (buffer-file-name)))
eval:(make-local-variable 'after-save-hook)
eval:(add-hook 'after-save-hook 'frobme)
End:
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