=> Checksum BLAKE2s OK for xsel-1.2.1.tar.gz
=> Checksum SHA512 OK for xsel-1.2.1.tar.gz
===> Installing dependencies for xsel-1.2.1
=> Tool dependency automake>=1.9: found automake-1.18
=> Tool dependency autoconf>=2.58: found autoconf-2.72
=> Tool dependency pkgconf-[0-9]*: found pkgconf-2.4.3nb1
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Full dependency libXt>=1.0.0: found libXt-1.3.1
=> Build dependency xcb-proto>=1.4: found xcb-proto-1.17.0nb5
=> Build dependency xorgproto>=2016.1: found xorgproto-2024.1
=> Full dependency libICE>=0.99.1: found libICE-1.1.2
=> Full dependency libSM>=0.99.2: found libSM-1.2.6
=> Full dependency libX11>=1.1: found libX11-1.8.12
=> Full dependency libXau>=1.0: found libXau-1.0.12
=> Full dependency libXdmcp>=0.99: found libXdmcp-1.1.5
=> Full dependency libxcb>=1.6: found libxcb-1.17.0
===> Overriding tools for xsel-1.2.1
===> Extracting for xsel-1.2.1
===> Patching for xsel-1.2.1
===> Creating toolchain wrappers for xsel-1.2.1
===> Configuring for xsel-1.2.1
cd /Users/pbulk/build/x11/xsel/work/xsel-1.2.1 && ./autogen.sh
checking for autoconf... 
-n checking for automake... 
yes
-n checking for libtool... 
nope.

You must have libtool installed to compile xsel.
Download the appropriate package for your system,
or get the source from one of the GNU ftp sites
listed in http://www.gnu.org/order/ftp.html
*** Error code 1

Stop.
bmake[1]: stopped making "configure" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/x11/xsel
*** Error code 1

Stop.
bmake: stopped making "configure" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/x11/xsel