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The race is unlikely, as timeout(1) needs to receive a signal
in the few operations between waitpid() returning and exit().
Also the system needs to have reallocated the just released pid
in this time window.
Previously we never disabled the signal handler that sent
the termination signal to the "child" pid. However once waitpid()
has reaped the child, the system is free to allocate that pid,
so we must ensure we don't process any further signals.
* build-aux/gen-lists-of-programs.sh: Build timeout(1) optionally...
* configure.ac: ...predicated on sigsuspend() being available.
* src/timeout.c (block_cleanup): A new function to ensure the
cleanup() handler is disabled after waitpid has returned.
(main): Use sigsuspend() to wait with cleanup() enabled but
disabled once it returns, and thus disabled for the waitpid() call.
(monitored_pid): Change to the more accurate pid_t.
* NEWS: Mention the fix.
Fixes http://bugs.gnu.org/25624
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Remove old log files that have corresponding entries
in the source code repository.
This saves about 2.5MB uncompressed, 0.5M compressed.
* Makefile.am (gen-ChangeLog): Adjust to taking all
logs since a particular version (8.15 in this case).
Also mention in the truncated log where to get older entries.
(changelog_etc): Remove the no longer distributed files.
* build-aux/git-log-fix: Remove now unused entries.
* ChangeLog-200[5-8]: Delete.
* doc/ChangeLog-2007: Likewise.
* po/ChangeLog-2007: Likewise.
* old/*: Likewise.
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Run "make update-copyright" and then...
* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
* tests/sample-test: Adjust to use the single most recent year.
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Note we don't support the --algorithm option of the
b2sum command in the external BLAKE2 project, as that
was deemed too confusing for users.
"BLAKE2b" was chosen as the default algorithm to use,
which is single threaded but performs well on 64 bit.
* src/blake2: CC0 source copied from external project.
* cfg.mk[VC_LIST_ALWAYS_EXCLUDE_REGEX]: Exclude blake2/
from syntax checks, make update-copyright, etc.
* src/local.mk: Reference the sources for b2sum,
and set the compilation flags.
* doc/coreutils.texi (b2sum invocation): Reference the
md5sum invocation node, and add descriptions of -l.
* tests/misc/b2sum.sh: Add new test.
* tests/local.mk: Reference new test.
* AUTHORS: Add new binary.
* README: Likewise.
* build-aux/gen-lists-of-programs.sh: Likewise.
* man/.gitignore: Likewise.
* scripts/git-hooks/commit-msg: Likewise.
* man/b2sum.x: New man page template.
* man/local.mk: Reference new template.
* src/.gitignore: Ignore new binaries.
* src/blake2/.gitignore: Ignore new build atrifacts.
* src/md5sum.c (usage): Describe the new -l option.
* NEWS: Mention the new program.
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Run "make update-copyright" and then...
* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
* tests/sample-test: Adjust to use the single most recent year.
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Suggested in https://bugzilla.redhat.com/1250113
* AUTHORS: Add base32.
* THANKS.in: Add suggester.
* README: Reference the new program.
* NEWS: Mention the new program.
* src/.gitignore: Ignore the new binary.
* bootstrap.conf: Reference the gnulib base32 module.
* build-aux/gen-lists-of-programs.sh: Add base32.
* man/base32.x: A new template.
* man/.gitignore: Ignore the new man page.
* man/local.mk: Reference the new man page.
* doc/coreutils.texi (base32 invocation): Document the new command.
* src/local.mk: Adjust to build base32 based on base64.c.
* src/base64.c: Parameterize to use the correct headers,
functions and buffer sizes, depending on which binary
is being built.
* tests/misc/base64.pl: Adjust to test both base32 and base64.
* tests/misc/tty-eof.pl: Add base32 as a program that
accepts input on stdin without any options specified.
* scripts/git-hooks/commit-msg: Add base32 to the template.
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Run "make update-copyright" and then...
* tests/sample-test: Adjust to use the single most recent year.
* tests/du/bind-mount-dir-cycle-v2.sh: Fix case in copyright message,
so that year is updated automatically in future.
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The C standard says this isn't portable, if you include
standard include files.
* build-aux/gen-single-binary.sh:
* src/coreutils-arch.c (single_binary_main_arch)
(single_binary_main_uname):
* src/coreutils-dir.c (single_binary_main_ls)
(_single_binary_main_dir):
* src/coreutils-vdir.c (single_binary_main_ls)
(_single_binary_main_vdir):
* src/coreutils.c (SINGLE_BINARY_PROGRAM):
Remove leading _ from single_binary prefix.
* src/numfmt.c (round_style): Rename from _round. All uses changed.
(inval_style): Rename from _invalid. All uses changed.
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* build-aux/gen-single-binary.sh: Don't use ATTRIBUTE_NORETURN
for main functions.
* src/base64.c, src/basename.c, src/cat.c, src/chcon.c, src/chgrp.c:
* src/chmod.c, src/chown.c, src/chroot.c, src/cksum.c, src/comm.c:
* src/cp.c, src/csplit.c, src/cut.c, src/date.c, src/dd.c, src/df.c:
* src/dircolors.c, src/dirname.c, src/du.c, src/echo.c, src/env.c:
* src/expand.c, src/expr.c, src/factor.c, src/fmt.c, src/fold.c:
* src/getlimits.c, src/groups.c, src/head.c, src/hostid.c:
* src/hostname.c, src/id.c, src/install.c, src/join.c, src/kill.c:
* src/link.c, src/ln.c, src/logname.c, src/ls.c, src/make-prime-list.c:
* src/md5sum.c, src/mkdir.c, src/mkfifo.c, src/mknod.c, src/mktemp.c:
* src/mv.c, src/nice.c, src/nl.c, src/nohup.c, src/nproc.c:
* src/numfmt.c, src/od.c, src/paste.c, src/pathchk.c, src/pinky.c:
* src/pr.c, src/printenv.c, src/printf.c, src/ptx.c, src/pwd.c:
* src/readlink.c, src/realpath.c, src/rm.c, src/rmdir.c, src/runcon.c:
* src/seq.c, src/shred.c, src/shuf.c, src/sleep.c, src/sort.c:
* src/split.c, src/stat.c, src/stdbuf.c, src/stty.c, src/sum.c:
* src/sync.c, src/tac.c, src/tail.c, src/tee.c, src/timeout.c:
* src/touch.c, src/tr.c, src/true.c, src/truncate.c, src/tsort.c:
* src/tty.c, src/uname.c, src/unexpand.c, src/uniq.c, src/unlink.c:
* src/uptime.c, src/users.c, src/wc.c, src/who.c, src/whoami.c:
In 'main' functions, Prefer 'return status;' to 'exit (status);'.
* src/coreutils-arch.c (_single_binary_main_uname)
(_single_binary_main_arch):
* src/coreutils-dir.c, src/coreutils-vdir.c (_single_binary_main_ls)
(_single_binary_main_dir, _single_binary_main_vdir):
Omit ATTRIBUTE_NORETURN. Return a value.
* src/coreutils.c (SINGLE_BINARY_PROGRAM): Omit ATTRIBUTE_NORETURN.
(launch_program): Now static.
* src/dd.c (finish_up): New function.
(quit, main): Use it.
* src/getlimits.c (main): Return a proper exit status.
* src/test.c (test_main_return): New macro.
(main): Use it.
* src/logname.c, src/nohup.c, src/whoami.c:
Use 'error' to simplify exit status in 'main' function.
* src/yes.c (main): Use 'return' rather than 'error' to exit,
so that GCC doesn't suggest ATTRIBUTE_NORETURN.
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* build-aux/gen-single-binary.sh: Avoid bash only constructs.
Reported by Assaf Gordon
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Add the --enable-single-binary option to the configure file.
When enabled, this option builds a single binary file containing
the selected tools. Which tool gets executed depends on the value
of argv[0] which can be set implicitly through symlinks to the
single program.
This setup reduces significantly the size of a complete coreutils
install, since code from lib/libcoreutils.a is not duplicated in
every one of the more than 100 binaries. Runtime overhead is
increased due to more dynamic libraries being loaded, and extra
initialization being performed for all utils. Also initially
a larger binary is loaded from storage, though this is usually
alleviated due to caching and lazy mmaping of unused blocks,
and in fact the single binary should have better caching
characteristics.
Comparing the size of the individual versus single binary on x86_64:
$ cd src
$ size coreutils
$ size -t $(../build-aux/gen-lists-of-programs.sh --list-progs |
grep -Ev '(coreutils|libstdbuf)') | tail -n1
text data bss dec hex filename
1097416 5388 88432 1191236 122d44 src/coreutils
4901010 124964 163768 5189742 4f306e (TOTALS)
Storage requirements are reduced similarly:
$ cd src
$ du -h coreutils
$ du -ch $(../build-aux/gen-lists-of-programs.sh --list-progs |
grep -Ev '(coreutils|libstdbuf)') | tail -n1
1.2M coreutils
5.3M total
When installing, the makefile will create either symlinks or
shebangs based on the --enable-single-binary setting, for
each configured tool. In this way, all the tools are still
callable individually, but they are all implemented by the same
"coreutils" binary installed on the same directory.
* .gitignore: Add new generated files.
* Makefile.am: New rules to generate build-aux/gen-single-binary.sh
and install symlinks.
* NEWS: Mention the new feature.
* README: Add "coreutils" to the list of utils.
* bootstrap.conf: Regenerate src/single-binary.mk
* build-aux/gen-lists-of-programs.sh: New --list-progs option.
* build-aux/gen-single-binary.sh: Regenerate
* configure.ac: New --enable-single-binary option and other variables.
Disallow --enable-single-binary=symlinks with --program-prefix et. al.
* man/coreutils.x: Manpage hook.
* man/local.mk: Add manpage hook and fix dependencies.
* src/coreutils.c: Multicall implementation.
* src/local.mk: New rules for the single binary option.
* tests/local.mk: Add $single_binary_progs to support
require_built_() from init.cfg
* tests/misc/env.sh: Avoid the use of symlink to echo.
* tests/misc/help-version.sh: Add exception for coreutils.
* tests/install/basic-1.sh: Really avoid using ginstall strip
functionality if there is an issue with the independent strip command.
* src/kill.c: Changes to call exit() in main.
* src/readlink.c: Likewise.
* src/shuf.c: Likewise.
* src/timeout.c: Likewise.
* src/truncate.c: Likewise.
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* AUTHORS: Add my name.
* NEWS: Mention the new program.
* README: Reference the new program.
* src/numfmt.c: New file.
* src/.gitignore: Ignore the new binary.
* build-aux/gen-lists-of-programs.sh: Update.
* scripts/git-hooks/commit-msg: Allow numfmt: commit prefix.
* po/POTFILES.in: Add new c file.
* tests/misc/numfmt.pl: A new test file giving >93% coverage.
* tests/local.mk: Reference the new test.
* man/.gitignore: Ignore the new man page.
* man/local.mk: Reference the new man page.
* man/numfmt.x: A new template.
* doc/coreutils.texi: Document the new command.
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* build-aux/gen-lists-of-programs.sh: Fix comment typo.
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* build-aux/gen-lists-of-programs.sh: Improve comments.
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* build-aux/git-log-fix: Add an entry to correct the Author:
of v8.19-111-g51a4b04. It should be Ondrej Oprala, not me.
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* build-aux/gen-lists-of-programs.sh: In heading comments here.
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* Makefile.am (SUBDIRS): Remove 'src'. Ensure '.' is listed before
'tests' and 'gnulib-tests'.
(dist-hook): Adjust: we must now tweak the top-level Makefile.in
in $(distdir), not the one in the 'src/' subdir (which is gone).
(include): The '$(top_srcdir)/src/local.mk' file.
* build-aux/gen-lists-of-programs.sh: Adjust the generation of the
automake input fragment.
* tests/Makefile.am (.built-programs): Adjust.
* cfg.mk (all_programs): Remove this convenience rule; it's no
longer needed, now that we can rely directly on the contents of
$(all_programs).
(sc_option_desc_uppercase, check-programs-vs-x:): Adjust lists
of prerequisites accordingly.
(all-progs-but-lbracket): Simplify definition accordingly.
* configure.ac ($OPTIONAL_BIN_PROGS): Adjust definition.
($OPTIONAL_PKGLIB_PROGS): Likewise.
($NO_INSTALL_PROGS_DEFAULT): Tweak definition, for consistency.
(AC_CONFIG_FILES): Remove 'src/Makefile'.
* src/Makefile.am: Rename ...
* src/local.mk: ... like this, with a lot of adjustments. In
addition ...
(all_programs): ... remove this now-unneeded convenience target.
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This is in preparation of future changes. Still, this patch
leaves the build system in a better shape; true, with more
indirections, but also with less convoluted and brittle hacks.
Unfortunately, this commit also makes some rebuild rules
incomplete; that will son be fixed by follow-up patches.
* build-aux/gen-lists-of-programs.sh: New, generates autoconf
and automake input fragments that define "lists" of all coreutils
programs, with further distinctions about how and when these
programs should be built (by default; if the system is capable
enough; only if the user asks for them explicitly). This is
useful to avoid duplicating the definitions of these lists among
several files (at least 'configure.ac' 'src/Makefile.am'); such
duplication had proved a source of inconsistencies and bugs in
the past. And the pre-existing way to avoid such duplication,
as implemented in 'configure.ac' before this patch, was overly
complex and brittle.
* Makefile.am (EXTRA_DIST): Distribute the new script.
* bootstrap.conf (bootstrap_post_import_hook): Run the new script
to generate 'm4/cu-progs.m4' and 'src/cu-progs.mk'.
* .gitignore: Ignore those files.
* configure.ac: Include 'm4/cu-progs.m4', and decidedly simplify
most of the program lists definition and processing accordingly.
* src/Makefile.am: Similarly include 'src/cu-progs.mk', containing
definition of variables $(default__progs), $(no_install__progs)
and $(build_if_possible__progs). Accordingly ...
(no_install__progs, build_if_possible__progs): ... remove.
(EXTRA_DIST): Adjust definition.
Adjust a comment.
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It was useful only back when coreutils used CVS as its version
control system.
* build-aux/cvsu: Delete.
* Makefile.am (EXTRA_DIST): Remove it.
* cfg.mk: Remove the two exemptions for this removed file.
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* build-aux/git-log-fix: Credit early reporter.
* THANKS.in: Add a name.
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Run "make update-copyright".
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* build-aux/git-log-fix: Comment out two unused entries.
Each of those two entries does indicate an error in a commit log,
but precedes the cut-off date, so has an actual VC'd ChangeLog entry.
I.e., gitlog-to-changelog generates ChangeLog entries since 2008-02,
and these two predate that.
* ChangeLog-2008: Make the indicated correction.
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* gnulib: Update to latest, for new gitlog-to-changelog.
* Makefile.am (gen-ChangeLog): Use its new --amend=F option.
* build-aux/git-log-fix: New file, with ChangeLog fixes.
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Run "make update-copyright".
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Use this command:
git ls-files | grep -v COPYING \
| xargs env UPDATE_COPYRIGHT_USE_INTERVALS=1 \
build-aux/update-copyright
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* bootstrap.conf (gnulib_modules): Add do-release-commit-and-tag.
* build-aux/do-release-commit-and-tag: Remove file. Now it's in gnulib.
* gnulib: Update submodule to the latest, to get the just-moved script.
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This script automates the process of updating NEWS, performs
the resulting final commit (thus with a consistent log message),
and applies a signed tag (v$VERSION) to the result.
* build-aux/do-release-commit-and-tag: New script.
* README-release: Document it.
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Transformed via this shell code:
t=$'\t'
git ls-files \
| grep -vE '(^|/)((GNU)?[Mm]akefile|ChangeLog)|\.(am|mk)$' \
| grep -vE 'tests/pr/|help2man' \
| xargs grep -lE "^ *$t" \
| xargs perl -MText::Tabs -ni -le \
'$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'
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* build-aux/update-copyright: Remove file.
* bootstrap.conf (gnulib_modules): Add update-copyright.
* gnulib: Update submodule to latest.
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* build-aux/update-copyright: Handle the case in which "\n#"
appears between the final year number and the copyright holder name.
* m4/lib-check.m4: Update copyright year list.
Reported by Joel E. Denny.
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* build-aux/update-copyright: ... and revert-for-now the
change that made this script invoke localtime only once.
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* build-aux/update-copyright: Handle cases in which the final
year number and copyright holder are on separate lines.
Prompted by a report from Joel E. Denny.
Also, do not invoke localtime for each line we process.
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* build-aux/update-copyright: New file.
* Makefile.am (changelog_etc): Add update-copyright.
(update-copyright): New rule.
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* Makefile.am (changelog_etc, syntax_check_exceptions): Define.
(EXTRA_DIST): Use. Remove names that are now automatically
included: build-aux/git-version-gen, build-aux/vc-list-files.
* build-aux/ChangeLog-2007: Rename from */ChangeLog.
* doc/ChangeLog-2007: Likewise.
* lib/ChangeLog-2007: Likewise.
* m4/ChangeLog-2007: Likewise.
* po/ChangeLog-2007: Likewise.
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* build-aux/check.mk: Remove, not needed any more.
* tests/Makefile.am (AUTOMAKE_OPTIONS): Add parallel-tests and
color-tests.
* tests/check.mk: Do not include build-aux/check.mk any more.
(SUFFIXES, TEST_LOGS): Remove.
(TESTS_ENVIRONMENT): Use $$f rather than $$tst in $PERL invocation.
* gnulib-tests/Makefile.am: Do not include build-aux/check.mk.
(AUTOMAKE_OPTIONS): New macro, add parallel-test and color-tests.
(TEST_LOGS): Remove.
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* maint.mk (sc_makefile_TAB_only_indentation): New rule.
Replace each TAB+8-space sequence with two TABs.
* man/Makefile.am: Likewise.
* build-aux/check.mk: Likewise.
I used this command (run it more than once, if needed):
t=$'\t'; git grep -l -E "$t {8}"|grep -E 'Makefile|\.mk$' \
| xargs perl -pi -e 's/\t {8}/\t\t/'
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* build-aux/check.mk ($(TEST_LOGS)) [!GNU_MAKE]: Check for
a $(TESTS) test in the build dir, before one in srcdir. For details,
see <http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/14198>.
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* tests/Makefile.am: Define AUTOMAKE_OPTIONS, so check.mk can append.
* tests/check.mk: Define SUFFIXES, so check.mk can append.
* build-aux/check.mk (SUFFIXES): Append, so as not to evoke
automake warning the prior definition in gnulib-tests/gnulib.mk.
(AUTOMAKE_OPTIONS): Likewise.
* gnulib-tests/Makefile.am (TEST_LOGS): Define.
Include build-aux/check.mk
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Before this change, perl tests were run via a #!/bin/sh script
in which perl was invoked via $(PERL) ... -- - <<\EOF.
That made some stty tests fail due to the way stdin was usurped.
* build-aux/check.mk (am__check_pre): Don't append $(SHELL) to this
nominally automake-internal variable.
* tests/check.mk (TESTS_ENVIRONMENT): Instead, define a shell function
here, and append it to the more user-visible $(TESTS_ENVIRONMENT).
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now that TESTS_ENVIRONMENT unsets it.
* check.mk (am__check_pre): Save $TERM.
(am__check_post): Restore saved value of TERM and export.
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* check.mk (am__check_pre): Add signal handler to remove $@-t.
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* build-aux/check.mk (_dirname): Define.
(am__check_pre): Use it.
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* build-aux/check.mk (approx_dirname_filter): Define.
(am__check_pre): Emulate dirname using sed.
Report and suggested fix from Bruno Haible in
http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/12587/focus=12590
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Signed-off-by: Jim Meyering <meyering@redhat.com>
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* bootstrap.conf (gnulib_modules): Add vc-list-files.
* build-aux/vc-list-files: Remove file.
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* tests/check.mk (vc_exe_in_TESTS): Remove t1 and t2 _first_,
in case they exist beforehand and are not writable.
* build-aux/check.mk (am__check_pre): Likewise, remove $@-t.
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* build-aux/check.mk (am__check_pre): Set `tst', for
CU_TEST_NAME in tests/check.mk.
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