[package - 135amd64-quarterly][math/mlpack] Failed for mlpack-4.5.1 in build

From: <pkg-fallout_at_FreeBSD.org>
Date: Sat, 19 Jul 2025 06:12:06 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/beefy14/data/135amd64-quarterly/f0c08e9746f9/logs/mlpack-4.5.1.log
Build URL:      https://pkg-status.freebsd.org/beefy14/build.html?mastername=135amd64-quarterly&build=f0c08e9746f9
Log:

=>> Building math/mlpack
build started at Sat Jul 19 06:08:16 UTC 2025
port directory: /usr/ports/math/mlpack
package name: mlpack-4.5.1
building for: FreeBSD 135amd64-quarterly-job-06 13.5-RELEASE-p2 FreeBSD 13.5-RELEASE-p2 amd64
maintained by: yuri@FreeBSD.org
Makefile datestamp: -rw-r--r--  1 root  wheel  1114 Jul  8 01:01 /usr/ports/math/mlpack/Makefile
Ports top last git commit: f0c08e974
Ports top unclean checkout: no
Port dir last git commit: c4772dbff
Port dir unclean checkout: no
Poudriere version: poudriere-git-3.4.2-12-g74a54a88
Host OSVERSION: 1500035
Jail OSVERSION: 1305000
Job Id: 06

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--MAINTAINER--
yuri@FreeBSD.org
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=======================<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
===>   mlpack-4.5.1 depends on file: /usr/local/sbin/pkg - not found
===>   Installing existing package /packages/All/pkg-2.2.1.pkg
[135amd64-quarterly-job-06] Installing pkg-2.2.1...
[135amd64-quarterly-job-06] Extracting pkg-2.2.1: .......... done
===>   mlpack-4.5.1 depends on file: /usr/local/sbin/pkg - found
===>   Returning to build of mlpack-4.5.1
===========================================================================
=======================<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
===> Fetching all distfiles required by mlpack-4.5.1 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 mlpack-4.5.1 for building
=> SHA256 Checksum OK for mlpack-4.5.1.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 mlpack-4.5.1 for building
===>  Extracting for mlpack-4.5.1
=> SHA256 Checksum OK for mlpack-4.5.1.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 mlpack-4.5.1
===>  Applying FreeBSD patches for mlpack-4.5.1 from /usr/ports/math/mlpack/files
===========================================================================
=======================<phase: build-depends  >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===>   mlpack-4.5.1 depends on package: armadillo>0 - not found
===>   Installing existing package /packages/All/armadillo-14.4.3.pkg
[135amd64-quarterly-job-06] Installing armadillo-14.4.3...
[135amd64-quarterly-job-06] `-- Installing arpack-ng-3.9.1_4...
[135amd64-quarterly-job-06] |   `-- Installing blas-3.12.1...
[135amd64-quarterly-job-06] |   | `-- Installing gcc13-13.3.0_3...
[135amd64-quarterly-job-06] |   |   `-- Installing binutils-2.44,1...
[135amd64-quarterly-job-06] |   |   | `-- Installing indexinfo-0.3.1_1...
[135amd64-quarterly-job-06] |   |   | `-- Extracting indexinfo-0.3.1_1: .... done
[135amd64-quarterly-job-06] |   |   | `-- Installing zstd-1.5.7...
[135amd64-quarterly-job-06] |   |   |   `-- Installing liblz4-1.10.0,1...
[135amd64-quarterly-job-06] |   |   |   `-- Extracting liblz4-1.10.0,1: .......... done
[135amd64-quarterly-job-06] |   |   | `-- Extracting zstd-1.5.7: .......... done
[135amd64-quarterly-job-06] |   |   `-- Extracting binutils-2.44,1: .......... done
[135amd64-quarterly-job-06] |   |   `-- Installing gmp-6.3.0...
[135amd64-quarterly-job-06] |   |   `-- Extracting gmp-6.3.0: .......... done
[135amd64-quarterly-job-06] |   |   `-- Installing mpc-1.3.1_1...
[135amd64-quarterly-job-06] |   |   | `-- Installing mpfr-4.2.2,1...
[135amd64-quarterly-job-06] |   |   | `-- Extracting mpfr-4.2.2,1: .......... done
[135amd64-quarterly-job-06] |   |   `-- Extracting mpc-1.3.1_1: ......... done
[135amd64-quarterly-job-06] |   | `-- Extracting gcc13-13.3.0_3: .......... done
[135amd64-quarterly-job-06] |   `-- Extracting blas-3.12.1: ........ done
[135amd64-quarterly-job-06] |   `-- Installing lapack-3.12.1...
<snip>


-- Not building Julia bindings.
-- Not building Markdown bindings.
-- Not building Python bindings.
-- Not building Go bindings.
-- Not building R bindings.
-- Found PkgConfig: /usr/local/bin/pkgconf (found version "2.4.3")
-- Configuring done (2.1s)
-- Generating done (0.1s)
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_COLOR_MAKEFILE
    CMAKE_C_FLAGS_RELEASE
    CMAKE_MODULE_LINKER_FLAGS
    CMAKE_SHARED_LINKER_FLAGS
    CMAKE_VERBOSE_MAKEFILE
    FETCHCONTENT_FULLY_DISCONNECTED
    THREADS_HAVE_PTHREAD_ARG


-- Build files have been written to: /wrkdirs/usr/ports/math/mlpack/work/.build
===========================================================================
=======================<phase: build          >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  Building for mlpack-4.5.1
[  1% 3/97] cd /wrkdirs/usr/ports/math/mlpack/work/.build && /usr/local/bin/cmake -D MLPACK_SOURCE_DIR="/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1" -P /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/CMake/GeneratePkgConfig.cmake
[  2% 4/97] /usr/bin/c++ -DMLPACK_CUSTOM_CONFIG_FILE=mlpack/config-local.hpp -DNDEBUG -I/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src -I/usr/local/include -I/usr/local/include/stb -I/wrkdirs/usr/ports/math/mlpack/work/.build/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wall -Wextra -ftemplate-depth=1000 -Wno-unused-function -pthread -O3 -fopenmp=libomp -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -DBINDING_TYPE=BINDING_TYPE_CLI -MD -MT src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o -MF src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o.d -o src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o -c /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/bayesian
_linear_regression/bayesian_linear_regression_main.cpp
FAILED: src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o 
/usr/bin/c++ -DMLPACK_CUSTOM_CONFIG_FILE=mlpack/config-local.hpp -DNDEBUG -I/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src -I/usr/local/include -I/usr/local/include/stb -I/wrkdirs/usr/ports/math/mlpack/work/.build/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wall -Wextra -ftemplate-depth=1000 -Wno-unused-function -pthread -O3 -fopenmp=libomp -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -DBINDING_TYPE=BINDING_TYPE_CLI -MD -MT src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o -MF src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o.d -o src/mlpack/methods/CMakeFiles/mlpack_bayesian_linear_regression.dir/bayesian_linear_regression/bayesian_linear_regression_main.cpp.o -c /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/bayesian_linear_regr
ession/bayesian_linear_regression_main.cpp
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:35:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/prereqs.hpp:23:
/usr/local/include/cereal/types/tuple.hpp:98:41: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
   98 |         serialize<Height - 1>::template apply( ar, tuple );
      |                                         ^
/usr/local/include/cereal/types/tuple.hpp:119:85: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  119 |     tuple_detail::serialize<std::tuple_size<std::tuple<Types...>>::value>::template apply( ar, tuple );
      |                                                                                     ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:44:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/util/io.hpp:32:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/data/save.hpp:24:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/data/save_image.hpp:24:
/usr/local/include/stb/stb_image_write.h:514:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  514 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:522:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  522 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:613:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  613 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:621:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  621 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:789:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  789 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:796:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  796 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:1609:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
 1609 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:1618:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
 1618 |    stbi__write_context s = { 0 };
      |                                ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:56:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/metrics.hpp:18:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/bleu.hpp:165:
/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/bleu_impl.hpp:193:20: warning: unused parameter 'version' [-Wunused-parameter]
  193 |     const uint32_t version)
      |                    ^
9 warnings and 2 errors generated.
[  3% 4/97] /usr/bin/c++ -DMLPACK_CUSTOM_CONFIG_FILE=mlpack/config-local.hpp -DNDEBUG -I/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src -I/usr/local/include -I/usr/local/include/stb -I/wrkdirs/usr/ports/math/mlpack/work/.build/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wall -Wextra -ftemplate-depth=1000 -Wno-unused-function -pthread -O3 -fopenmp=libomp -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -DBINDING_TYPE=BINDING_TYPE_CLI -MD -MT src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o -MF src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o.d -o src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o -c /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp
FAILED: src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o 
/usr/bin/c++ -DMLPACK_CUSTOM_CONFIG_FILE=mlpack/config-local.hpp -DNDEBUG -I/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src -I/usr/local/include -I/usr/local/include/stb -I/wrkdirs/usr/ports/math/mlpack/work/.build/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wall -Wextra -ftemplate-depth=1000 -Wno-unused-function -pthread -O3 -fopenmp=libomp -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -DBINDING_TYPE=BINDING_TYPE_CLI -MD -MT src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o -MF src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o.d -o src/mlpack/methods/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn/approx_kfn_main.cpp.o -c /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:35:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/prereqs.hpp:23:
/usr/local/include/cereal/types/tuple.hpp:98:41: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
   98 |         serialize<Height - 1>::template apply( ar, tuple );
      |                                         ^
/usr/local/include/cereal/types/tuple.hpp:119:85: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  119 |     tuple_detail::serialize<std::tuple_size<std::tuple<Types...>>::value>::template apply( ar, tuple );
      |                                                                                     ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:44:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/util/io.hpp:32:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/data/save.hpp:24:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/data/save_image.hpp:24:
/usr/local/include/stb/stb_image_write.h:514:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  514 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:522:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  522 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:613:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  613 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:621:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  621 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:789:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  789 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:796:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  796 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:1609:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
 1609 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:1618:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
 1618 |    stbi__write_context s = { 0 };
      |                                ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:56:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/metrics.hpp:18:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/bleu.hpp:165:
/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/bleu_impl.hpp:193:20: warning: unused parameter 'version' [-Wunused-parameter]
  193 |     const uint32_t version)
      |                    ^
9 warnings and 2 errors generated.
[  4% 4/97] /usr/bin/c++ -DMLPACK_CUSTOM_CONFIG_FILE=mlpack/config-local.hpp -DNDEBUG -I/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src -I/usr/local/include -I/usr/local/include/stb -I/wrkdirs/usr/ports/math/mlpack/work/.build/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wall -Wextra -ftemplate-depth=1000 -Wno-unused-function -pthread -O3 -fopenmp=libomp -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -DBINDING_TYPE=BINDING_TYPE_CLI -MD -MT src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o -MF src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o.d -o src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o -c /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp
FAILED: src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o 
/usr/bin/c++ -DMLPACK_CUSTOM_CONFIG_FILE=mlpack/config-local.hpp -DNDEBUG -I/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src -I/usr/local/include -I/usr/local/include/stb -I/wrkdirs/usr/ports/math/mlpack/work/.build/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wall -Wextra -ftemplate-depth=1000 -Wno-unused-function -pthread -O3 -fopenmp=libomp -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -DBINDING_TYPE=BINDING_TYPE_CLI -MD -MT src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o -MF src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o.d -o src/mlpack/methods/CMakeFiles/mlpack_cf.dir/cf/cf_main.cpp.o -c /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:35:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/prereqs.hpp:23:
/usr/local/include/cereal/types/tuple.hpp:98:41: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
   98 |         serialize<Height - 1>::template apply( ar, tuple );
      |                                         ^
/usr/local/include/cereal/types/tuple.hpp:119:85: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  119 |     tuple_detail::serialize<std::tuple_size<std::tuple<Types...>>::value>::template apply( ar, tuple );
      |                                                                                     ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:44:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/util/io.hpp:32:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/data/save.hpp:24:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/data/save_image.hpp:24:
/usr/local/include/stb/stb_image_write.h:514:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  514 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:522:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  522 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:613:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  613 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:621:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  621 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:789:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  789 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:796:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
  796 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:1609:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
 1609 |    stbi__write_context s = { 0 };
      |                                ^
/usr/local/include/stb/stb_image_write.h:1618:32: warning: missing field 'context' initializer [-Wmissing-field-initializers]
 1618 |    stbi__write_context s = { 0 };
      |                                ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp:12:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core.hpp:56:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/metrics.hpp:18:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/bleu.hpp:165:
/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/core/metrics/bleu_impl.hpp:193:20: warning: unused parameter 'version' [-Wunused-parameter]
  193 |     const uint32_t version)
      |                    ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp:19:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf.hpp:22:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/amf.hpp:23:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/update_rules/update_rules.hpp:18:
/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/update_rules/svd_batch_learning.hpp:210:16: warning: unused variable 'm' [-Wunused-variable]
  210 |   const size_t m = (size_t) V.n_cols;
      |                ^
/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/update_rules/svd_batch_learning.hpp:264:16: warning: unused variable 'n' [-Wunused-variable]
  264 |   const size_t n = (size_t) V.n_rows;
      |                ^
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf_main.cpp:19:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/cf/cf.hpp:22:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/amf.hpp:24:
In file included from /wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/init_rules/init_rules.hpp:18:
/wrkdirs/usr/ports/math/mlpack/work/mlpack-4.5.1/src/mlpack/methods/amf/init_rules/no_init.hpp:98:27: warning: unused parameter 'ar' [-Wunused-parameter]
   98 |   void serialize(Archive& ar, const uint32_t /* version */) { }
      |                           ^
12 warnings and 2 errors generated.
ninja: build stopped: subcommand failed.
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make: stopped in /usr/ports/math/mlpack