Merge branch 'master' into newer-scikit-build-core

.appveyor.yml

@@ -1,4 +1,4 @@
-version: 4.2.0.99.{build}
+version: 4.3.0.{build}
 
 image: Visual Studio 2015
 platform: x64

.ci/install-clang-devel.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+# [description]
+#
+#   Installs a development version of clang and the other LLVM tools.
+#
+
+set -e -E -u -o pipefail
+
+CLANG_VERSION=${1}
+
+apt-get autoremove -y --purge \
+    clang-* \
+    libclang-* \
+    libunwind-* \
+    llvm-*
+
+apt-get update -y
+apt-get install --no-install-recommends -y \
+    gnupg \
+    lsb-release \
+    software-properties-common \
+    wget
+
+wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
+
+# ref: https://apt.llvm.org/
+add-apt-repository -y "deb http://apt.llvm.org/unstable/ llvm-toolchain main"
+add-apt-repository -y "deb-src http://apt.llvm.org/unstable/ llvm-toolchain main"
+
+apt-get install -y --no-install-recommends \
+    clang-${CLANG_VERSION} \
+    clangd-${CLANG_VERSION} \
+    clang-format-${CLANG_VERSION} \
+    clang-tidy-${CLANG_VERSION} \
+    clang-tools-${CLANG_VERSION} \
+    lldb-${CLANG_VERSION} \
+    lld-${CLANG_VERSION} \
+    llvm-${CLANG_VERSION}-dev \
+    llvm-${CLANG_VERSION}-tools \
+    libomp-${CLANG_VERSION}-dev \
+    libc++-${CLANG_VERSION}-dev \
+    libc++abi-${CLANG_VERSION}-dev \
+    libclang-common-${CLANG_VERSION}-dev \
+    libclang-${CLANG_VERSION}-dev \
+    libclang-cpp${CLANG_VERSION}-dev \
+    libunwind-${CLANG_VERSION}-dev
+
+# overwriting the stuff in /usr/bin is simpler and more reliable than
+# updating PATH, LD_LIBRARY_PATH, etc.
+cp --remove-destination /usr/lib/llvm-${CLANG_VERSION}/bin/* /usr/bin/
+
+# per https://www.stats.ox.ac.uk/pub/bdr/Rconfig/r-devel-linux-x86_64-fedora-clang
+#
+# clang was built to use libc++: for a version built to default to libstdc++
+# (as shipped by Fedora/Debian/Ubuntu), add -stdlib=libc++ to CXX 
+# and install the libcxx-devel/libc++-dev package.
+mkdir -p "${HOME}/.R"
+
+cat << EOF > "${HOME}/.R/Makevars"
+CXX += -stdlib=libc++
+CXX11 += -stdlib=libc++
+CXX14 += -stdlib=libc++
+CXX17 += -stdlib=libc++
+CXX20 += -stdlib=libc++
+EOF
+
+echo ""
+echo "done installing clang"
+clang --version
+echo ""

.ci/test.sh

@@ -319,9 +319,9 @@ matplotlib.use\(\"Agg\"\)\
     jupyter nbconvert --ExecutePreprocessor.timeout=180 --to notebook --execute --inplace *.ipynb || exit -1  # run all notebooks
 
     # importing the library should succeed even if all optional dependencies are not present
-    conda uninstall --force --yes \
+    conda uninstall -n $CONDA_ENV --force --yes \
         cffi \
-        dask \
+        dask-core \
         distributed \
         joblib \
         matplotlib \

.github/workflows/r_package.yml

@@ -258,10 +258,21 @@ jobs:
           cat ./tests.log
           exit ${exit_code}
   test-r-debian-clang:
-    name: r-package (debian, R-devel, clang)
+    name: r-package (debian, R-devel, clang-${{ matrix.clang-version }})
     timeout-minutes: 60
+    strategy:
+      fail-fast: false
+      matrix:
+        # list of versions tested in CRAN "Additional Checks":
+        # https://cran.r-project.org/web/checks/check_issue_kinds.html
+        clang-version:
+          - 16
+          - 17
+          - 18
     runs-on: ubuntu-latest
     container: rhub/debian-clang-devel
+    env:
+      DEBIAN_FRONTEND: noninteractive
     steps:
       - name: Install Git before checkout
         shell: bash
@@ -276,53 +287,21 @@ jobs:
         with:
           fetch-depth: 5
           submodules: true
-      - name: update to clang 15
-        shell: bash
+      - name: install clang
         run: |
-          # remove clang stuff that comes installed in the image
-          apt-get autoremove -y --purge \
-              clang-* \
-              libclang-* \
-              libunwind-* \
-              llvm-*
-          #
-          # replace it all with clang-15
-          apt-get update -y
-          apt-get install --no-install-recommends -y \
-              gnupg \
-              lsb-release \
-              software-properties-common \
-              wget
-          #
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
-          #
-          add-apt-repository "deb http://apt.llvm.org/unstable/ llvm-toolchain main"
-          apt-get install -y --no-install-recommends \
-              clang-15 \
-              clangd-15 \
-              clang-format-15 \
-              clang-tidy-15 \
-              clang-tools-15 \
-              lldb-15 \
-              lld-15 \
-              llvm-15-dev \
-              llvm-15-tools \
-              libomp-15-dev \
-              libc++-15-dev \
-              libc++abi-15-dev \
-              libclang-common-15-dev \
-              libclang-15-dev \
-              libclang-cpp15-dev \
-              libunwind-15-dev
-          # overwrite everything in /usr/bin with the new v15 versions
-          cp --remove-destination /usr/lib/llvm-15/bin/* /usr/bin/
+          ./.ci/install-clang-devel.sh ${{ matrix.clang-version }}
       - name: Install packages and run tests
         shell: bash
         run: |
           export PATH=/opt/R-devel/bin/:${PATH}
           Rscript -e "install.packages(c('R6', 'data.table', 'jsonlite', 'knitr', 'markdown', 'Matrix', 'RhpcBLASctl', 'testthat'), repos = 'https://cran.rstudio.com', Ncpus = parallel::detectCores())"
           sh build-cran-package.sh
           R CMD check --as-cran --run-donttest lightgbm_*.tar.gz || exit -1
+          echo ""
+          echo "install logs:"
+          echo ""
+          cat lightgbm.Rcheck/00install.out
+          echo ""
           if grep -q -E "NOTE|WARNING|ERROR" lightgbm.Rcheck/00check.log; then
               echo "NOTEs, WARNINGs, or ERRORs have been found by R CMD check"
               exit -1

CMakeLists.txt

@@ -215,6 +215,7 @@ if(USE_CUDA)
         list(APPEND CUDA_ARCHS "8.7")
     endif()
     if(CUDA_VERSION VERSION_GREATER_EQUAL "11.8")
+        list(APPEND CUDA_ARCHS "8.9")
         list(APPEND CUDA_ARCHS "9.0")
     endif()
     list(POP_BACK CUDA_ARCHS CUDA_LAST_SUPPORTED_ARCH)
@@ -428,7 +429,10 @@ file(
       src/network/*.cpp
       src/treelearner/*.cpp
       src/utils/*.cpp
-if(USE_CUDA)
+)
+file(
+    GLOB
+    LGBM_CUDA_SOURCES
       src/treelearner/*.cu
       src/boosting/cuda/*.cpp
       src/boosting/cuda/*.cu
@@ -442,9 +446,12 @@ if(USE_CUDA)
       src/io/cuda/*.cpp
       src/cuda/*.cpp
       src/cuda/*.cu
-endif()
 )
 
+if(USE_CUDA)
+  list(APPEND SOURCES ${LGBM_CUDA_SOURCES})
+endif()
+
 add_library(lightgbm_objs OBJECT ${SOURCES})
 
 if(BUILD_CLI)

R-package/configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for lightgbm 4.2.0.99.
+# Generated by GNU Autoconf 2.71 for lightgbm 4.3.0.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
@@ -607,8 +607,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='lightgbm'
 PACKAGE_TARNAME='lightgbm'
-PACKAGE_VERSION='4.2.0.99'
-PACKAGE_STRING='lightgbm 4.2.0.99'
+PACKAGE_VERSION='4.3.0'
+PACKAGE_STRING='lightgbm 4.3.0'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1211,7 +1211,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures lightgbm 4.2.0.99 to adapt to many kinds of systems.
+\`configure' configures lightgbm 4.3.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1273,7 +1273,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of lightgbm 4.2.0.99:";;
+     short | recursive ) echo "Configuration of lightgbm 4.3.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1341,7 +1341,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-lightgbm configure 4.2.0.99
+lightgbm configure 4.3.0
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1378,7 +1378,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by lightgbm $as_me 4.2.0.99, which was
+It was created by lightgbm $as_me 4.3.0, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -2454,7 +2454,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by lightgbm $as_me 4.2.0.99, which was
+This file was extended by lightgbm $as_me 4.3.0, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -2509,7 +2509,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-lightgbm config.status 4.2.0.99
+lightgbm config.status 4.3.0
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 

R-package/cran-comments.md

@@ -1,5 +1,25 @@
 # CRAN Submission History
 
+## v4.3.0 - Submission 1 - (January 18, 2024)
+
+### CRAN response
+
+Accepted to CRAN
+
+### Maintainer Notes
+
+This submission was put up in response to CRAN saying the package would be archived if the following
+warning was not fixed within 14 days.
+
+```text
+/usr/local/clang-trunk/bin/../include/c++/v1/__fwd/string_view.h:22:41:
+warning: 'char_traits<fmt::detail::char8_type>' is deprecated:
+char_traits<T> for T not equal to char, wchar_t, char8_t, char16_t or char32_t is non-standard and is provided for a temporary period. 
+It will be removed in LLVM 19, so please migrate off of it. [-Wdeprecated-declarations]
+```
+
+See https://github.com/microsoft/LightGBM/issues/6264.
+
 ## v4.2.0 - Submission 1 - (December 7, 2023)
 
 ### CRAN response

R-package/pkgdown/_pkgdown.yml

@@ -14,7 +14,7 @@ repo:
     user: https://github.com/
 
 development:
-  mode: unreleased
+  mode: release
 
 authors:
   Yu Shi:

VERSION.txt

@@ -1 +1 @@
-4.2.0.99
+4.3.0

python-package/pyproject.toml

@@ -30,7 +30,7 @@ maintainers = [
 name = "lightgbm"
 readme = "README.rst"
 requires-python = ">=3.6"
-version = "4.2.0.99"
+version = "4.3.0"
 
 [project.optional-dependencies]
 arrow = [

src/treelearner/linear_tree_learner.h

@@ -5,7 +5,6 @@
 #ifndef LIGHTGBM_TREELEARNER_LINEAR_TREE_LEARNER_H_
 #define LIGHTGBM_TREELEARNER_LINEAR_TREE_LEARNER_H_
 
-#include <string>
 #include <cmath>
 #include <cstdio>
 #include <memory>