[package - 143i386-default][science/arbor] Failed for arbor-0.12.1 in configure

From: <pkg-fallout_at_FreeBSD.org>
Date: Tue, 02 Jun 2026 02:38:03 UTC
You are receiving this mail as a port that you maintain
is failing to build on the FreeBSD package build server.
Please investigate the failure and submit a PR to fix
build.

Maintainer:     yuri@FreeBSD.org
Log URL:        https://pkg-status.freebsd.org/beefy18/data/143i386-default/3f253a0d77dd/logs/arbor-0.12.1.log
Build URL:      https://pkg-status.freebsd.org/beefy18/build.html?mastername=143i386-default&build=3f253a0d77dd
Log:

=>> Building science/arbor
build started at Tue Jun  2 02:37:57 UTC 2026
port directory: /usr/ports/science/arbor
package name: arbor-0.12.1
building for: FreeBSD 143i386-default-job-08 14.3-RELEASE-p14 FreeBSD 14.3-RELEASE-p14 i386
maintained by: yuri@FreeBSD.org
Makefile datestamp: -rw-r--r--  1 root wheel 1883 May 28 01:01 /usr/ports/science/arbor/Makefile
Ports top last git commit: 3f253a0d77ddef867d98e7beba90ecef7c93542b
Ports top unclean checkout: no
Port dir last git commit: 31d321ac0bed3a49086ffbeff3ef1d70ab1f8220
Port dir unclean checkout: no
Poudriere version: poudriere-git-3.4.8
Host OSVERSION: 1600018
Jail OSVERSION: 1403000
Job Id: 08

---Begin Environment---
SHELL=/bin/sh
BLOCKSIZE=K
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HOME=/root
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
MAKE_OBJDIR_CHECK_WRITABLE=0
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UNAME_p=i386
UNAME_r=14.3-RELEASE-p14
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UNAME_v=FreeBSD 14.3-RELEASE-p14
USER=root
POUDRIERE_NAME=poudriere-git
LIBEXECPREFIX=/usr/local/libexec/poudriere
POUDRIERE_VERSION=3.4.8
MASTERMNT=/usr/local/poudriere/data/.m/143i386-default/ref
LC_COLLATE=C
POUDRIERE_BUILD_TYPE=bulk
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OUTPUT_REDIRECTED_STDERR=4
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PWD=/usr/local/poudriere/data/.m/143i386-default/08/.p
OUTPUT_REDIRECTED_STDOUT=3
P_PORTS_FEATURES=FLAVORS SUBPACKAGES SELECTED_OPTIONS
MASTERNAME=143i386-default
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OLDPWD=/usr/local/poudriere/data/.m/143i386-default/ref/.p/pool
POUDRIERE_PKGNAME=poudriere-git-3.4.8
SCRIPTPATH=/usr/local/share/poudriere/bulk.sh
POUDRIEREPATH=/usr/local/bin/poudriere
---End Environment---

---Begin Poudriere Port Flags/Env---
PORT_FLAGS=
PKGENV=
FLAVOR=
MAKE_ARGS=
---End Poudriere Port Flags/Env---

---Begin OPTIONS List---
===> The following configuration options are available for arbor-0.12.1:
     NATIVE=off: Use native optimization (-march=native)
===> Use 'make config' to modify these settings
---End OPTIONS List---

--MAINTAINER--
yuri@FreeBSD.org
--End MAINTAINER--

--CONFIGURE_ARGS--

--End CONFIGURE_ARGS--

--CONFIGURE_ENV--
CPM_REPO=/wrkdirs/usr/ports/science/arbor/work/CPM.cmake-0.39.0 PKG_CONFIG=pkgconf PYTHON="/usr/local/bin/python3.11" XDG_DATA_HOME=/wrkdirs/usr/ports/science/arbor/work  XDG_CONFIG_HOME=/wrkdirs/usr/ports/science/arbor/work  XDG_CACHE_HOME=/wrkdirs/usr/ports/science/arbor/work/.cache  HOME=/wrkdirs/usr/ports/science/arbor/work TMPDIR="/tmp" PATH=/wrkdirs/usr/ports/science/arbor/work/.bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin PKG_CONFIG_LIBDIR=/wrkdirs/usr/ports/science/arbor/work/.pkgconfig:/usr/local/libdata/pkgconfig:/usr/local/share/pkgconfig:/usr/libdata/pkgconfig SHELL=/bin/sh CONFIG_SHELL=/bin/sh CMAKE_PREFIX_PATH="/usr/local"
--End CONFIGURE_ENV--

--MAKE_ENV--
NINJA_STATUS="[%p %s/%t] " XDG_DATA_HOME=/wrkdirs/usr/ports/science/arbor/work  XDG_CONFIG_HOME=/wrkdirs/usr/ports/science/arbor/work  XDG_CACHE_HOME=/wrkdirs/usr/ports/science/arbor/work/.cache  HOME=/wrkdirs/usr/ports/science/arbor/work TMPDIR="/tmp" PATH=/wrkdirs/usr/ports/science/arbor/work/.bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin PKG_CONFIG_LIBDIR=/wrkdirs/usr/ports/science/arbor/work/.pkgconfig:/usr/local/libdata/pkgconfig:/usr/local/share/pkgconfig:/usr/libdata/pkgconfig MK_DEBUG_FILES=no MK_KERNEL_SYMBOLS=no SHELL=/bin/sh NO_LINT=YES DESTDIR=/wrkdirs/usr/ports/science/arbor/work/stage PREFIX=/usr/local  LOCALBASE=/usr/local  CC="cc" CFLAGS="-O2 -pipe  -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing "  CPP="cpp" CPPFLAGS="-isystem /usr/local/include"  LDFLAGS=" -L/usr/local/lib -lunits " LIBS="-L/usr/local/lib"  CXX="c++" CXXFLAGS="-O2 -pipe -fstack-protector-strong -isystem /usr/local/include -fno-strict-al
iasing  -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -isystem /usr/local/include " BSD_INSTALL_PROGRAM="install  -s -m 555"  BSD_INSTALL_LIB="install  -s -m 0644"  BSD_INSTALL_SCRIPT="install  -m 555"  BSD_INSTALL_DATA="install  -m 0644"  BSD_INSTALL_MAN="install  -m 444"
--End MAKE_ENV--

--PLIST_SUB--
 CMAKE_BUILD_TYPE="release" PYTHON_INCLUDEDIR=include/python3.11  PYTHON_LIBDIR=lib/python3.11  PYTHON_PLATFORM=freebsd14  PYTHON_SITELIBDIR=lib/python3.11/site-packages  PYTHON_SUFFIX=311  PYTHON_BASESUFFIX=311  PYTHON_TAG=.cpython-311  PYTHON_SOABI=.cpython-311  PYTHON_VER=3.11  PYTHON_BASEVER=3.11  PYTHON_VERSION=python3.11 PYTHON2="@comment " PYTHON3="" OSREL=14.3 PREFIX=%D LOCALBASE=/usr/local  RESETPREFIX=/usr/local LIB32DIR=lib DOCSDIR="share/doc/arbor"  EXAMPLESDIR="share/examples/arbor"  DATADIR="share/arbor"  WWWDIR="www/arbor"  ETCDIR="etc/arbor"
--End PLIST_SUB--

--SUB_LIST--
 PYTHON_INCLUDEDIR=/usr/local/include/python3.11  PYTHON_LIBDIR=/usr/local/lib/python3.11  PYTHON_PLATFORM=freebsd14  PYTHON_SITELIBDIR=/usr/local/lib/python3.11/site-packages  PYTHON_SUFFIX=311  PYTHON_BASESUFFIX=311  PYTHON_TAG=.cpython-311  PYTHON_SOABI=.cpython-311  PYTHON_VER=3.11  PYTHON_BASEVER=3.11  PYTHON_VERSION=python3.11 PYTHON2="@comment " PYTHON3="" PREFIX=/usr/local LOCALBASE=/usr/local  DATADIR=/usr/local/share/arbor DOCSDIR=/usr/local/share/doc/arbor EXAMPLESDIR=/usr/local/share/examples/arbor  WWWDIR=/usr/local/www/arbor ETCDIR=/usr/local/etc/arbor
--End SUB_LIST--

---Begin make.conf---
USE_PACKAGE_DEPENDS=yes
BATCH=yes
WRKDIRPREFIX=/wrkdirs
PORTSDIR=/usr/ports
PACKAGES=/packages
DISTDIR=/distfiles
PACKAGE_BUILDING=yes
PACKAGE_BUILDING_FLAVORS=yes
MACHINE=i386
MACHINE_ARCH=i386
ARCH=${MACHINE_ARCH}
####  ####
# XXX: We really need this but cannot use it while 'make checksum' does not
# try the next mirror on checksum failure.  It currently retries the same
# failed mirror and then fails rather then trying another.  It *does*
# try the next if the size is mismatched though.
#MASTER_SITE_FREEBSD=yes
# Build ALLOW_MAKE_JOBS_PACKAGES with 3 jobs
MAKE_JOBS_NUMBER=3
#### Misc Poudriere ####
.include "/etc/make.conf.ports_env"
GID=0
UID=0
---End make.conf---
--Resource limits--
cpu time               (seconds, -t)  unlimited
file size           (512-blocks, -f)  unlimited
data seg size           (kbytes, -d)  524288
stack size              (kbytes, -s)  65536
core file size      (512-blocks, -c)  unlimited
max memory size         (kbytes, -m)  unlimited
locked memory           (kbytes, -l)  unlimited
max user processes              (-u)  89999
open files                      (-n)  8192
virtual mem size        (kbytes, -v)  unlimited
swap limit              (kbytes, -w)  unlimited
socket buffer size       (bytes, -b)  unlimited
pseudo-terminals                (-p)  unlimited
kqueues                         (-k)  unlimited
umtx shared locks               (-o)  unlimited
pipebuf                         (-y)  unlimited
--End resource limits--
=======================<phase: check-sanity   >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License BSD3CLAUSE accepted by the user
===========================================================================
=======================<phase: pkg-depends    >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===>   arbor-0.12.1 depends on file: /usr/local/sbin/pkg - not found
===>   Installing existing package /packages/All/pkg-2.7.5.pkg
[143i386-default-job-08] Installing pkg-2.7.5...
[143i386-default-job-08] Extracting pkg-2.7.5: .......... done
===>   arbor-0.12.1 depends on file: /usr/local/sbin/pkg - found
===>   Returning to build of arbor-0.12.1
===========================================================================
=======================<phase: fetch-depends  >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===========================================================================
=======================<phase: fetch          >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License BSD3CLAUSE accepted by the user
=> arbor-sim-arbor-v0.12.1_GH0.tar.gz doesn't seem to exist in /portdistfiles.
=> Attempting to fetch https://codeload.github.com/arbor-sim/arbor/tar.gz/v0.12.1?dummy=/arbor-sim-arbor-v0.12.1_GH0.tar.gz
fetch: https://codeload.github.com/arbor-sim/arbor/tar.gz/v0.12.1?dummy=/arbor-sim-arbor-v0.12.1_GH0.tar.gz: size unknown
fetch: https://codeload.github.com/arbor-sim/arbor/tar.gz/v0.12.1?dummy=/arbor-sim-arbor-v0.12.1_GH0.tar.gz: size of remote file is not known
arbor-sim-arbor-v0.12.1_GH0.tar.gz                      12 MB 8286 kBps    01s
===> Fetching all distfiles required by arbor-0.12.1 for building
===========================================================================
=======================<phase: checksum       >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License BSD3CLAUSE accepted by the user
===> Fetching all distfiles required by arbor-0.12.1 for building
=> SHA256 Checksum OK for arbor-sim-arbor-v0.12.1_GH0.tar.gz.
=> SHA256 Checksum OK for cpm-cmake-CPM.cmake-v0.39.0_GH0.tar.gz.
=> SHA256 Checksum OK for martinus-unordered_dense-v4.5.0_GH0.tar.gz.
===========================================================================
=======================<phase: extract-depends>============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===========================================================================
=======================<phase: extract        >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License BSD3CLAUSE accepted by the user
===> Fetching all distfiles required by arbor-0.12.1 for building
===>  Extracting for arbor-0.12.1
=> SHA256 Checksum OK for arbor-sim-arbor-v0.12.1_GH0.tar.gz.
=> SHA256 Checksum OK for cpm-cmake-CPM.cmake-v0.39.0_GH0.tar.gz.
=> SHA256 Checksum OK for martinus-unordered_dense-v4.5.0_GH0.tar.gz.
===========================================================================
=======================<phase: patch-depends  >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===========================================================================
=======================<phase: patch          >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  Patching for arbor-0.12.1
===>  Applying FreeBSD patches for arbor-0.12.1 from /usr/ports/science/arbor/files
===========================================================================
=======================<phase: build-depends  >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===>   arbor-0.12.1 depends on executable: bash - not found
===>   Installing existing package /packages/All/bash-5.3.9.pkg
[143i386-default-job-08] Installing bash-5.3.9...
[143i386-default-job-08] `-- Installing gettext-runtime-1.0_1...
[143i386-default-job-08] |   `-- Installing indexinfo-0.3.1_1...
[143i386-default-job-08] |   `-- Extracting indexinfo-0.3.1_1: .... done
[143i386-default-job-08] `-- Extracting gettext-runtime-1.0_1: .......... done
[143i386-default-job-08] Extracting bash-5.3.9: .......... done
===>   arbor-0.12.1 depends on executable: bash - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on package: libfmt>0 - not found
===>   Installing existing package /packages/All/libfmt-12.1.0.pkg
[143i386-default-job-08] Installing libfmt-12.1.0...
[143i386-default-job-08] Extracting libfmt-12.1.0: .......... done
===>   arbor-0.12.1 depends on package: libfmt>0 - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on package: nlohmann-json>0 - not found
===>   Installing existing package /packages/All/nlohmann-json-3.12.0_1.pkg
[143i386-default-job-08] Installing nlohmann-json-3.12.0_1...
[143i386-default-job-08] Extracting nlohmann-json-3.12.0_1: .......... done
===>   arbor-0.12.1 depends on package: nlohmann-json>0 - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on package: random123>0 - not found
===>   Installing existing package /packages/All/random123-1.14.0.5.pkg
[143i386-default-job-08] Installing random123-1.14.0.5...
[143i386-default-job-08] Extracting random123-1.14.0.5: .......... done
===>   arbor-0.12.1 depends on package: random123>0 - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on package: py311-svgwrite>0 - not found
===>   Installing existing package /packages/All/py311-svgwrite-1.4.3_1.pkg
[143i386-default-job-08] Installing py311-svgwrite-1.4.3_1...
[143i386-default-job-08] `-- Installing python311-3.11.15_2...
[143i386-default-job-08] |   `-- Installing libffi-3.5.1...
[143i386-default-job-08] |   `-- Extracting libffi-3.5.1: .......... done
[143i386-default-job-08] |   `-- Installing mpdecimal-4.0.1...
[143i386-default-job-08] |   `-- Extracting mpdecimal-4.0.1: .......... done
[143i386-default-job-08] |   `-- Installing readline-8.3.3...
[143i386-default-job-08] |   `-- Extracting readline-8.3.3: .......... done
[143i386-default-job-08] `-- Extracting python311-3.11.15_2: .......... done
[143i386-default-job-08] Extracting py311-svgwrite-1.4.3_1: .......... done
=====
Message from python311-3.11.15_2:

--
Note that some standard Python modules are provided as separate ports
as they require additional dependencies. They are available as:

py311-gdbm       databases/py-gdbm@py311
py311-sqlite3    databases/py-sqlite3@py311
py311-tkinter    x11-toolkits/py-tkinter@py311
===>   arbor-0.12.1 depends on package: py311-svgwrite>0 - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on package: tinyopt>0 - not found
===>   Installing existing package /packages/All/tinyopt-1.0.8.pkg
[143i386-default-job-08] Installing tinyopt-1.0.8...
[143i386-default-job-08] Extracting tinyopt-1.0.8: .... done
===>   arbor-0.12.1 depends on package: tinyopt>0 - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on file: /usr/local/lib/cmake/GTest/GTestConfig.cmake - not found
===>   Installing existing package /packages/All/googletest-1.16.0.pkg
[143i386-default-job-08] Installing googletest-1.16.0...
[143i386-default-job-08] Extracting googletest-1.16.0: .......... done
===>   arbor-0.12.1 depends on file: /usr/local/lib/cmake/GTest/GTestConfig.cmake - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on file: /usr/local/bin/cmake - not found
===>   Installing existing package /packages/All/cmake-core-3.31.12.pkg
[143i386-default-job-08] Installing cmake-core-3.31.12...
[143i386-default-job-08] `-- Installing expat-2.8.1...
[143i386-default-job-08] `-- Extracting expat-2.8.1: .......... done
[143i386-default-job-08] `-- Installing jsoncpp-1.9.6_1...
[143i386-default-job-08] `-- Extracting jsoncpp-1.9.6_1: .......... done
[143i386-default-job-08] `-- Installing libidn2-2.3.8...
[143i386-default-job-08] |   `-- Installing libunistring-1.4.2...
[143i386-default-job-08] |   `-- Extracting libunistring-1.4.2: .......... done
[143i386-default-job-08] `-- Extracting libidn2-2.3.8: .......... done
[143i386-default-job-08] `-- Installing libuv-1.52.1...
[143i386-default-job-08] `-- Extracting libuv-1.52.1: .......... done
[143i386-default-job-08] `-- Installing rhash-1.4.6...
[143i386-default-job-08] `-- Extracting rhash-1.4.6: .......... done
[143i386-default-job-08] Extracting cmake-core-3.31.12: .......... done
===>   arbor-0.12.1 depends on file: /usr/local/bin/cmake - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on executable: ninja - not found
===>   Installing existing package /packages/All/ninja-1.13.2,4.pkg
[143i386-default-job-08] Installing ninja-1.13.2,4...
[143i386-default-job-08] Extracting ninja-1.13.2,4: ........ done
===>   arbor-0.12.1 depends on executable: ninja - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on package: pkgconf>=1.3.0_1 - not found
===>   Installing existing package /packages/All/pkgconf-2.4.3_1,1.pkg
[143i386-default-job-08] Installing pkgconf-2.4.3_1,1...
[143i386-default-job-08] Extracting pkgconf-2.4.3_1,1: .......... done
===>   arbor-0.12.1 depends on package: pkgconf>=1.3.0_1 - found
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on file: /usr/local/bin/python3.11 - found
===========================================================================
=======================<phase: lib-depends    >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===>   arbor-0.12.1 depends on shared library: libhwloc.so - not found
===>   Installing existing package /packages/All/hwloc2-2.12.1_1.pkg
[143i386-default-job-08] Installing hwloc2-2.12.1_1...
[143i386-default-job-08] `-- Installing level-zero-1.28.6...
[143i386-default-job-08] |   `-- Installing spdlog-1.17.0...
[143i386-default-job-08] |   `-- Extracting spdlog-1.17.0: .......... done
[143i386-default-job-08] `-- Extracting level-zero-1.28.6: .......... done
[143i386-default-job-08] `-- Installing libpciaccess-0.19...
[143i386-default-job-08] |   `-- Installing hwdata-0.407,1...
[143i386-default-job-08] |   `-- Extracting hwdata-0.407,1: .......... done
[143i386-default-job-08] `-- Extracting libpciaccess-0.19: ........ done
[143i386-default-job-08] `-- Installing libxml2-2.15.3...
[143i386-default-job-08] `-- Extracting libxml2-2.15.3: .......... done
[143i386-default-job-08] Extracting hwloc2-2.12.1_1: .......... done
===>   arbor-0.12.1 depends on shared library: libhwloc.so - found (/usr/local/lib/libhwloc.so)
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on shared library: libpugixml.so - not found
===>   Installing existing package /packages/All/pugixml-1.15.pkg
[143i386-default-job-08] Installing pugixml-1.15...
[143i386-default-job-08] Extracting pugixml-1.15: .......... done
===>   arbor-0.12.1 depends on shared library: libpugixml.so - found (/usr/local/lib/libpugixml.so)
===>   Returning to build of arbor-0.12.1
===>   arbor-0.12.1 depends on shared library: libunits.so - not found
===>   Installing existing package /packages/All/units-library-0.13.1.pkg
[143i386-default-job-08] Installing units-library-0.13.1...
[143i386-default-job-08] Extracting units-library-0.13.1: .......... done
===>   arbor-0.12.1 depends on shared library: libunits.so - found (/usr/local/lib/libunits.so)
===>   Returning to build of arbor-0.12.1
===========================================================================
=======================<phase: configure      >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  Configuring for arbor-0.12.1
===>  Performing out-of-source build
/bin/mkdir -p /wrkdirs/usr/ports/science/arbor/work/.build
CMake Warning at /wrkdirs/usr/ports/science/arbor/work/CPM.cmake-0.39.0/cmake/CPM.cmake:76 (message):
  CPM: Your project is using an unstable development version of CPM.cmake.
  Please update to a recent release if possible.  See
  https://github.com/cpm-cmake/CPM.cmake for details.
Call Stack (most recent call first):
  cmake/CPM.cmake:13 (include)
  CMakeLists.txt:22 (include)


-- The C compiler identification is Clang 19.1.7
-- The CXX compiler identification is Clang 19.1.7
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test CXX_HAS_NATIVE
-- Performing Test CXX_HAS_NATIVE - Success
-- Found PkgConfig: /usr/local/bin/pkgconf (found version "2.4.3")
-- Found nlohmann_json: /usr/local/share/cmake/nlohmann_json/nlohmann_jsonConfig.cmake (found version "3.12.0")
-- CPM: Using local package pugixml@1.15
-- CPM: Using local package fmt@12.1.0
-- CPM: Adding package benchmark@1.8.3 (v1.8.3)
CMake Warning at /usr/local/share/cmake/Modules/FetchContent.cmake:2111 (message):
  FETCHCONTENT_FULLY_DISCONNECTED is set to true, which requires the source
  directory for dependency benchmark to already be populated.  This generally
  means it must not be set to true the first time CMake is run in a build
  directory.  The following source directory should already be populated, but
  it doesn't exist:

    /wrkdirs/usr/ports/science/arbor/work/.build/_deps/benchmark-src

  Policy CMP0170 controls enforcement of this requirement.
Call Stack (most recent call first):
  /usr/local/share/cmake/Modules/FetchContent.cmake:1978:EVAL:1 (__FetchContent_Populate)
  /usr/local/share/cmake/Modules/FetchContent.cmake:1978 (cmake_language)
  /wrkdirs/usr/ports/science/arbor/work/CPM.cmake-0.39.0/cmake/CPM.cmake:1008 (FetchContent_Populate)
  /wrkdirs/usr/ports/science/arbor/work/CPM.cmake-0.39.0/cmake/CPM.cmake:802 (cpm_fetch_package)
  /wrkdirs/usr/ports/science/arbor/work/CPM.cmake-0.39.0/cmake/CPM.cmake:306 (CPMAddPackage)
  CMakeLists.txt:353 (CPMFindPackage)


-- Found GTest: /usr/local/lib/cmake/GTest/GTestConfig.cmake (found version "1.16.0")
-- CPM: Using local package units@0.13.1
CMake Error at CMakeLists.txt:447 (message):
  Cannot compile a trivial CXX program using the final compiler flags:


-- Configuring incomplete, errors occurred!
*** Error code 1

Stop.
make: stopped in /usr/ports/science/arbor