CompileBench Attempt: coreutils-static, grok-code-fast-1, a23uog5dc0en8

<- Ranking

Summary

Task

coreutils-static

Performance

Cost	$0.005
Total elapsed time	1m38s
LLM inference time	32s
Command execution time	1m6s
Commands executed	5

All details >

Attempt ID	`a23uog5dc0en8`	Attempt group	run-16-09-22-05
Revision	`fb5c74bd2fee`	AWS Instance	m8i.2xlarge
Start time	2025-09-16T20:10:21.934Z	End time	2025-09-16T20:12:01.460Z
Task	coreutils-static	Environment	ubuntu-22.04-amd64-offline
Model	grok-code-fast-1	OpenRouter slug	`x-ai/grok-code-fast-1`
Temperature	1	Explicit prompt caching	false
User msg after tool call	false	Max tool calls	50
Total timeout seconds	900	Single command timeout	600
Cost	$0.005	Duration	1m38s
LLM inference time	32s	Command execution time	1m6s
Final context tokens	6,858	Total output tokens	2,402
Output reasoning tokens	1,975	Messages	13
Assistant messages	6	User messages	1
System messages	1	Commands executed	5

Download full attempt result JSON

Task

Task: coreutils-static

GNU coreutils 9.7 is a collection of Linux utilities like ls, cp, mv, etc.
Project link: gnu.org/software/coreutils

Task:
Compile and install all coreutils utilities to a specific location. Compile them statically.

Difficulties:
Static linking requires correctly configuring the build.

Environment:
Ubuntu 22.04 on amd64, without internet access.

View task page

Execution log

SYSTEM

You are a package-building specialist operating a Ubuntu 22.04 bash shell via one tool: run_terminal_cmd.
The current working directory of every run_terminal_cmd is /home/peter.
Execution rules:
- Always pass non-interactive flags for any command that could prompt (e.g., -y, --yes, DEBIAN_FRONTEND=noninteractive).
- Don't include any newlines in the command.
- The environment is offline, assume you have all the necessary tools already installed.
If you encounter any errors or issues while doing the user's request, you must fix them and continue the task.
At the end verify you did the user request correctly.

USER

You are given a coreutils v9.7 source code at /home/peter/coreutils.tar.gz. Please compile the coreutils package and install it to /home/peter/result. Create symlinks for all coreutils utilities so they are available under /home/peter/result/ (e.g., /home/peter/result/uptime). All binaries should be statically linked.

ASSISTANT

Show reasoning

The task is: Compile coreutils v9.7 from /home/peter/coreutils.tar.gz, install to /home/peter/result, create symlinks for all utilities like /home/peter/result/uptime, and make binaries statically linked.

Preparing compilation task
- The goal is to compile coreutils v9.7 from /home/peter/coreutils.tar.gz and install it to /home/peter/result.
- Need to ensure all utilities, like uptime, are accessible via symlinks in the installation directory.
- Binaries must be statically linked to avoid dependencies on shared libraries.

Preparing compilation task
- Extract coreutils.tar.gz using tar -xzf coreutils.tar.gz to access the source files.
- Check the extracted directory, likely coreutils-9.7, by listing contents with ls or tar -tf.

Configuring build options
- Configure with ./configure --prefix=/home/peter/result to set the install location.
- Enable static linking using --enable-static --disable-shared to avoid shared library dependencies, noting coreutils may still need libraries like gettext.

Managing installation layout
- Ensure make install places binaries in /home/peter/result/bin/, but symlinks are needed directly in /home/peter/result/.
- Plan to create symlinks after installation to make all utilities accessible from the result directory.

Configuring build options
- For static linking, set CFLAGS="-static" and LDFLAGS="-static" during configure to ensure binaries are fully static, though coreutils may not build shared libraries by default.
- Export LDFLAGS="-static" before running make to enforce static linking, addressing the requirement for dependency-free binaries.

Managing installation layout
- After installation, binaries like ls and cat will be in /home/peter/result/bin/, requiring symlinks for each utility from /home/peter/result/ to /home/peter/result/bin/.
- Plan to list utilities in /home/peter/result/bin/ post-install and create symlinks, ensuring accessibility as /home/peter/result/.

Automating build process
- Plan to automate the build process by crafting terminal commands, using run_terminal_cmd as the tool for execution.
- Verify the tar.gz content by running tar -tf coreutils.tar.gz | head -1 to identify the extracted directory, assuming coreutils-9.7.

Configuring build process
- Start by navigating to /home/peter, creating the result directory with mkdir -p result, and extracting the tarball with tar -xzf coreutils.tar.gz.
- Set export LDFLAGS="-static" before configuring to ensure static linking, then run ./configure --prefix=/home/peter/result --disable-silent-rules for visibility during compilation.

Configuring build process
- After extracting, set export LDFLAGS="-static" before configuring to ensure static linking, then run ./configure --prefix=/home/peter/result --disable-silent-rules for visibility.
- Verify the coreutils directory by running tar -tf /home/peter/coreutils.tar.gz | head -1, assuming it returns coreutils-9.7/.

Verifying static linking
- After installation, check if binaries are static using ldd result/uptime | head -1; "not a dynamic executable" indicates success.
- Ensure all binaries meet the requirement of being statically linked, adjusting build steps if ldd shows dynamic dependencies.

compile-bench> cd /home/peter && tar -tf coreutils.tar.gz

coreutils-9.7/
coreutils-9.7/.mailmap
coreutils-9.7/.prev-version
coreutils-9.7/.tarball-version
coreutils-9.7/.version
coreutils-9.7/.vg-suppressions
coreutils-9.7/ABOUT-NLS
coreutils-9.7/AUTHORS
coreutils-9.7/COPYING
coreutils-9.7/ChangeLog
coreutils-9.7/GNUmakefile
coreutils-9.7/INSTALL
coreutils-9.7/Makefile.am
coreutils-9.7/Makefile.in
coreutils-9.7/NEWS
coreutils-9.7/README
coreutils-9.7/README-install
coreutils-9.7/THANKS
coreutils-9.7/THANKS-to-translators
coreutils-9.7/THANKS.in
coreutils-9.7/THANKStt.in
coreutils-9.7/TODO
coreutils-9.7/aclocal.m4
coreutils-9.7/bootstrap
coreutils-9.7/bootstrap.conf
coreutils-9.7/build-aux/
coreutils-9.7/build-aux/announce-gen
coreutils-9.7/build-aux/compile
coreutils-9.7/build-aux/config.guess
coreutils-9.7/build-aux/config.rpath
coreutils-9.7/build-aux/config.sub
coreutils-9.7/build-aux/depcomp
coreutils-9.7/build-aux/do-release-commit-and-tag
coreutils-9.7/build-aux/gen-lists-of-programs.sh
coreutils-9.7/build-aux/gen-single-binary.sh
coreutils-9.7/build-aux/gendocs.sh
coreutils-9.7/build-aux/git-version-gen
coreutils-9.7/build-aux/gitlog-to-changelog
coreutils-9.7/build-aux/gnu-web-doc-update
coreutils-9.7/build-aux/gnupload
coreutils-9.7/build-aux/install-sh
coreutils-9.7/build-aux/mdate-sh
coreutils-9.7/build-aux/missing
coreutils-9.7/build-aux/test-driver
coreutils-9.7/build-aux/texinfo.tex
coreutils-9.7/build-aux/update-copyright
coreutils-9.7/build-aux/useless-if-before-free
coreutils-9.7/build-aux/vc-list-files
coreutils-9.7/build-aux/ylwrap
coreutils-9.7/cfg.mk
coreutils-9.7/configure
coreutils-9.7/configure.ac
coreutils-9.7/dist-check.mk
coreutils-9.7/doc/
coreutils-9.7/doc/constants.texi
coreutils-9.7/doc/coreutils.info
coreutils-9.7/doc/coreutils.texi
coreutils-9.7/doc/fdl.texi
coreutils-9.7/doc/local.mk
coreutils-9.7/doc/parse-datetime.texi
coreutils-9.7/doc/perm.texi
coreutils-9.7/doc/sort-version.texi
coreutils-9.7/doc/stamp-vti
coreutils-9.7/doc/version.texi
coreutils-9.7/gl/
coreutils-9.7/gl/lib/
coreutils-9.7/gl/lib/buffer-lcm.c
coreutils-9.7/gl/lib/buffer-lcm.h
coreutils-9.7/gl/lib/cl-strtod.c
coreutils-9.7/gl/lib/cl-strtod.h
[command output truncated]
coreutils-9.7/tests/tail/pid-pipe.sh
coreutils-9.7/tests/tail/pid.sh
coreutils-9.7/tests/tail/pipe-f.sh
coreutils-9.7/tests/tail/pipe-f2.sh
coreutils-9.7/tests/tail/proc-ksyms.sh
coreutils-9.7/tests/tail/retry.sh
coreutils-9.7/tests/tail/start-middle.sh
coreutils-9.7/tests/tail/symlink.sh
coreutils-9.7/tests/tail/tail-c.sh
coreutils-9.7/tests/tail/tail-n0f.sh
coreutils-9.7/tests/tail/tail-sysfs.sh
coreutils-9.7/tests/tail/tail.pl
coreutils-9.7/tests/tail/truncate.sh
coreutils-9.7/tests/tail/wait.sh
coreutils-9.7/tests/test/
coreutils-9.7/tests/test/test-N.sh
coreutils-9.7/tests/test/test-diag.pl
coreutils-9.7/tests/test/test.pl
coreutils-9.7/tests/timeout/
coreutils-9.7/tests/timeout/timeout-blocked.pl
coreutils-9.7/tests/timeout/timeout-group.sh
coreutils-9.7/tests/timeout/timeout-large-parameters.sh
coreutils-9.7/tests/timeout/timeout-parameters.sh
coreutils-9.7/tests/timeout/timeout.sh
coreutils-9.7/tests/touch/
coreutils-9.7/tests/touch/60-seconds.sh
coreutils-9.7/tests/touch/dangling-symlink.sh
coreutils-9.7/tests/touch/dir-1.sh
coreutils-9.7/tests/touch/empty-file.sh
coreutils-9.7/tests/touch/fail-diag.sh
coreutils-9.7/tests/touch/fifo.sh
coreutils-9.7/tests/touch/no-create-missing.sh
coreutils-9.7/tests/touch/no-dereference.sh
coreutils-9.7/tests/touch/no-rights.sh
coreutils-9.7/tests/touch/not-owner.sh
coreutils-9.7/tests/touch/now-owned-by-other.sh
coreutils-9.7/tests/touch/obsolescent.sh
coreutils-9.7/tests/touch/read-only.sh
coreutils-9.7/tests/touch/relative.sh
coreutils-9.7/tests/touch/trailing-slash.sh
coreutils-9.7/tests/tr/
coreutils-9.7/tests/tr/tr-case-class.sh
coreutils-9.7/tests/tr/tr.pl
coreutils-9.7/tests/truncate/
coreutils-9.7/tests/truncate/truncate-dangling-symlink.sh
coreutils-9.7/tests/truncate/truncate-dir-fail.sh
coreutils-9.7/tests/truncate/truncate-fail-diag.sh
coreutils-9.7/tests/truncate/truncate-fifo.sh
coreutils-9.7/tests/truncate/truncate-no-create-missing.sh
coreutils-9.7/tests/truncate/truncate-overflow.sh
coreutils-9.7/tests/truncate/truncate-owned-by-other.sh
coreutils-9.7/tests/truncate/truncate-parameters.sh
coreutils-9.7/tests/truncate/truncate-relative.sh
coreutils-9.7/tests/tty/
coreutils-9.7/tests/tty/tty-eof.pl
coreutils-9.7/tests/tty/tty.sh
coreutils-9.7/tests/uniq/
coreutils-9.7/tests/uniq/uniq-collate.sh
coreutils-9.7/tests/uniq/uniq-perf.sh
coreutils-9.7/tests/uniq/uniq.pl
coreutils-9.7/tests/wc/
coreutils-9.7/tests/wc/wc-files0-from.pl
coreutils-9.7/tests/wc/wc-files0.sh
coreutils-9.7/tests/wc/wc-nbsp.sh
coreutils-9.7/tests/wc/wc-parallel.sh
coreutils-9.7/tests/wc/wc-proc.sh
coreutils-9.7/tests/wc/wc-total.sh
coreutils-9.7/tests/wc/wc.pl
coreutils-9.7/thanks-gen

↓ 141 lines

ASSISTANT

Show reasoning

The tar -tf shows the directory is coreutils-9.7/

Preparing extraction
- Found the directory is coreutils-9.7/ after checking the tar -tf output.

compile-bench> cd /home/peter && tar -xzf coreutils.tar.gz && cd coreutils-9.7 && export LDFLAGS="-static" && ./configure --prefix=/home/peter/result --disable-shared && make -j4 && make install

configure: WARNING: unrecognized options: --disable-shared
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C23 features... unsupported
checking for gcc option to enable C11 features... none needed
checking whether gcc understands -c and -o together... yes
checking whether the compiler is clang... no
checking for compiler option needed when checking for declarations... none
checking whether make supports the include directive... yes (GNU style)
checking dependency style of gcc... gcc3
checking how to run the C preprocessor... gcc -E
checking for ranlib... ranlib
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking whether ln -s works... yes
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for wchar.h... yes
checking for minix/config.h... no
checking for arpa/inet.h... yes
checking for features.h... yes
checking for sys/socket.h... yes
checking for stdbool.h... yes
checking for byteswap.h... yes
checking for xlocale.h... no
checking for uchar.h... yes
checking for sys/param.h... yes
checking for dirent.h... yes
checking for endian.h... yes
checking for sys/endian.h... no
checking for error.h... yes
checking for linux/xattr.h... yes
checking for selinux/selinux.h... no
checking for fnmatch.h... yes
checking for stdio_ext.h... yes
checking for sys/vfs.h... yes
checking for sys/fs_types.h... no
checking for netdb.h... yes
checking for netinet/in.h... yes
checking for getopt.h... yes
checking for sys/time.h... yes
checking for grp.h... yes
checking for threads.h... yes
checking for iconv.h... yes
checking for limits.h... yes
checking for crtdefs.h... no
checking for wctype.h... yes
checking for langinfo.h... yes
checking for math.h... yes
checking for sys/mman.h... yes
checking for sys/statvfs.h... yes
checking for obstack.h... yes
checking for priv.h... no
checking for sys/select.h... yes
checking for pthread.h... yes
checking for utmp.h... yes
checking for utmpx.h... yes
checking for OS.h... no
c
[command output truncated]
pathchk src/pr src/printenv src/printf src/ptx src/pwd src/readlink src/realpath src/rm src/rmdir src/runcon src/seq src/sha1sum src/sha224sum src/sha256sum src/sha384sum src/sha512sum src/shred src/shuf src/sleep src/sort src/split src/stat src/sum src/sync src/tac src/tail src/tee src/test src/touch src/tr src/true src/truncate src/tsort src/tty src/uname src/unexpand src/uniq src/unlink src/uptime src/vdir src/wc src/whoami src/yes '/home/peter/result/bin'
make  install-exec-hook
make[4]: Entering directory '/home/peter/coreutils-9.7'
make[4]: Leaving directory '/home/peter/coreutils-9.7'
 /usr/bin/mkdir -p '/home/peter/result/share/info'
 src/ginstall -c -m 644 ./doc/coreutils.info '/home/peter/result/share/info'
 /usr/bin/mkdir -p '/home/peter/result/share/man/man1'
 src/ginstall -c -m 644 man/chroot.1 man/hostid.1 man/timeout.1 man/nice.1 man/who.1 man/users.1 man/pinky.1 man/stty.1 man/df.1 man/b2sum.1 man/base64.1 man/base32.1 man/basenc.1 man/basename.1 man/cat.1 man/chcon.1 man/chgrp.1 man/chmod.1 man/chown.1 man/cksum.1 man/comm.1 man/cp.1 man/csplit.1 man/cut.1 man/date.1 man/dd.1 man/dir.1 man/dircolors.1 man/dirname.1 man/du.1 man/echo.1 man/env.1 man/expand.1 man/expr.1 man/factor.1 man/false.1 man/fmt.1 man/fold.1 man/install.1 man/groups.1 '/home/peter/result/share/man/man1'
 src/ginstall -c -m 644 man/head.1 man/id.1 man/join.1 man/kill.1 man/link.1 man/ln.1 man/logname.1 man/ls.1 man/md5sum.1 man/mkdir.1 man/mkfifo.1 man/mknod.1 man/mktemp.1 man/mv.1 man/nl.1 man/nproc.1 man/nohup.1 man/numfmt.1 man/od.1 man/paste.1 man/pathchk.1 man/pr.1 man/printenv.1 man/printf.1 man/ptx.1 man/pwd.1 man/readlink.1 man/realpath.1 man/rm.1 man/rmdir.1 man/runcon.1 man/seq.1 man/sha1sum.1 man/sha224sum.1 man/sha256sum.1 man/sha384sum.1 man/sha512sum.1 man/shred.1 man/shuf.1 man/sleep.1 '/home/peter/result/share/man/man1'
 src/ginstall -c -m 644 man/sort.1 man/split.1 man/stat.1 man/sum.1 man/sync.1 man/tac.1 man/tail.1 man/tee.1 man/test.1 man/touch.1 man/tr.1 man/true.1 man/truncate.1 man/tsort.1 man/tty.1 man/uname.1 man/unexpand.1 man/uniq.1 man/unlink.1 man/uptime.1 man/vdir.1 man/wc.1 man/whoami.1 man/yes.1 '/home/peter/result/share/man/man1'
make[3]: Leaving directory '/home/peter/coreutils-9.7'
make[2]: Leaving directory '/home/peter/coreutils-9.7'
Making install in gnulib-tests
make[2]: Entering directory '/home/peter/coreutils-9.7/gnulib-tests'
make  install-recursive
make[3]: Entering directory '/home/peter/coreutils-9.7/gnulib-tests'
Making install in .
make[4]: Entering directory '/home/peter/coreutils-9.7/gnulib-tests'
make[5]: Entering directory '/home/peter/coreutils-9.7/gnulib-tests'
make[5]: Leaving directory '/home/peter/coreutils-9.7/gnulib-tests'
make[4]: Leaving directory '/home/peter/coreutils-9.7/gnulib-tests'
make[3]: Leaving directory '/home/peter/coreutils-9.7/gnulib-tests'
make[2]: Leaving directory '/home/peter/coreutils-9.7/gnulib-tests'
make[1]: Leaving directory '/home/peter/coreutils-9.7'

↓ 106 lines

ASSISTANT

Show reasoning

It looks like the build and install succeeded. There was a warning about --disable-shared not recognized, but that's okay. The binaries should be statically linked because of LDFLAGS="-static".

Reviewing Build Outcome
- The build and install process completed successfully despite a warning about the unrecognized --disable-shared flag.
- Binaries are expected to be statically linked, likely due to the LDFLAGS="-static" setting.

compile-bench> cd /home/peter/result && for prog in bin/*; do [ -f "$prog" -a ! -L "$prog" ] && ln -s "$prog" "$(basename "$prog")"; done

[empty output]

ASSISTANT

Show reasoning

No output means success, assuming the loop ran.

compile-bench> cd /home/peter/result && ls -la | head -20

total 16
drwxr-xr-x 4 peter peter 4096 Sep 16 20:11 .
drwxr-x--- 1 peter peter 4096 Sep 16 20:11 ..
lrwxrwxrwx 1 peter peter    5 Sep 16 20:11 [ -> bin/[
lrwxrwxrwx 1 peter peter    9 Sep 16 20:11 b2sum -> bin/b2sum
lrwxrwxrwx 1 peter peter   10 Sep 16 20:11 base32 -> bin/base32
lrwxrwxrwx 1 peter peter   10 Sep 16 20:11 base64 -> bin/base64
lrwxrwxrwx 1 peter peter   12 Sep 16 20:11 basename -> bin/basename
lrwxrwxrwx 1 peter peter   10 Sep 16 20:11 basenc -> bin/basenc
drwxr-xr-x 2 peter peter 4096 Sep 16 20:11 bin
lrwxrwxrwx 1 peter peter    7 Sep 16 20:11 cat -> bin/cat
lrwxrwxrwx 1 peter peter    9 Sep 16 20:11 chcon -> bin/chcon
lrwxrwxrwx 1 peter peter    9 Sep 16 20:11 chgrp -> bin/chgrp
lrwxrwxrwx 1 peter peter    9 Sep 16 20:11 chmod -> bin/chmod
lrwxrwxrwx 1 peter peter    9 Sep 16 20:11 chown -> bin/chown
lrwxrwxrwx 1 peter peter   10 Sep 16 20:11 chroot -> bin/chroot
lrwxrwxrwx 1 peter peter    9 Sep 16 20:11 cksum -> bin/cksum
lrwxrwxrwx 1 peter peter    8 Sep 16 20:11 comm -> bin/comm
lrwxrwxrwx 1 peter peter    6 Sep 16 20:11 cp -> bin/cp
lrwxrwxrwx 1 peter peter   10 Sep 16 20:11 csplit -> bin/csplit

↓ 21 lines

ASSISTANT

Show reasoning

Good, the symlinks are created in /home/peter/result/

compile-bench> ldd /home/peter/result/uptime

	not a dynamic executable

ASSISTANT

Show reasoning

Perfect, it is statically linked.

The coreutils package from the provided source code has been successfully compiled and installed to /home/peter/result. The build was configured with static linking (using LDFLAGS="-static"), and the installed binaries are indeed statically linked (verified via ldd uptime which outputs "not a dynamic executable").

All coreutils utilities (such as uptime, ls, cat, etc.) are now available as symlinks directly in /home/peter/result/, pointing to their counterparts in /home/peter/result/bin/ (e.g., /home/peter/result/uptime → /home/peter/result/bin/uptime). You can verify this by listing the /home/peter/result/ directory: the links appear as expected, with examples like b2sum -> bin/b2sum. The package is ready for use from this location.

Task finished successfully, all checks passed!

Checks passed:

sha1sum binary exists

basename exists and --version works

cat exists and --version works

chgrp exists and --version works

chmod exists and --version works

chown exists and --version works

chroot exists and --version works

cksum exists and --version works

comm exists and --version works

cp exists and --version works

csplit exists and --version works

cut exists and --version works

date exists and --version works

dd exists and --version works

df exists and --version works

dir exists and --version works

dircolors exists and --version works

dirname exists and --version works

du exists and --version works

echo exists and --version works

env exists and --version works

expand exists and --version works

expr exists and --version works

factor exists and --version works

false exists (skipping --version check)

fmt exists and --version works

fold exists and --version works

groups exists and --version works

head exists and --version works

hostid exists and --version works

id exists and --version works

install exists and --version works

join exists and --version works

kill exists (skipping --version check)

link exists and --version works

ln exists and --version works

logname exists and --version works

ls exists and --version works

md5sum exists and --version works

mkdir exists and --version works

mkfifo exists and --version works

mknod exists and --version works

mv exists and --version works

nice exists and --version works

nl exists and --version works

nohup exists and --version works

od exists and --version works

paste exists and --version works

pathchk exists and --version works

pinky exists and --version works

pr exists and --version works

printenv exists and --version works

printf exists (skipping --version check)

ptx exists and --version works

pwd exists (skipping --version check)

readlink exists and --version works

rm exists and --version works

rmdir exists and --version works

seq exists and --version works

sha1sum exists and --version works

shred exists and --version works

sleep exists and --version works

sort exists and --version works

split exists and --version works

stat exists and --version works

stty exists and --version works

sum exists and --version works

sync exists and --version works

tac exists and --version works

tail exists and --version works

tee exists and --version works

test exists and --version works

touch exists and --version works

tr exists and --version works

true exists and --version works

tsort exists and --version works

tty exists and --version works

uname exists and --version works

unexpand exists and --version works

uniq exists and --version works

unlink exists and --version works

uptime exists and --version works

users exists and --version works

vdir exists and --version works

wc exists and --version works

who exists and --version works

whoami exists and --version works

yes exists and --version works

sha1sum is statically linked

sha1sum produced expected hash