align OpenCL versions

Author: jameslamb

.ci/ci-images/manylinux_2_28_aarch64/Dockerfile

@@ -35,6 +35,9 @@ chmod +x cmake.sh
 rm -f ./cmake.sh
 
 # build PoCL
+#
+# NOTE: If this is updated, check if CL_TARGET_OPENCL_VERSION in cmake/IntegratedOpenCL.cmake
+#       needs to be updated (see comments there fore links).
 git clone \
    --depth 1 \
    --branch v7.1 \

.github/workflows/ci-images.yml

@@ -36,7 +36,7 @@ jobs:
             dockerfile: .ci/ci-images/manylinux_2_28_x86_64/Dockerfile
             # TODO(jameslamb): revert hard-coded tag before merging
             tag: ci-manylinux_2_28_x86_64-dev
-            #tag: ci-manylinux_2_28_x86_64${{ inputs.tag-suffix }}
+            # tag: ci-manylinux_2_28_x86_64${{ inputs.tag-suffix }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6.0.1

cmake/IntegratedOpenCL.cmake

@@ -1,4 +1,7 @@
+# Build static libraries by default
 set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
+
+# set dependency versions
 set(BOOST_VERSION_DOT "1.74")
 string(REPLACE "." "_" BOOST_VERSION_UNDERSCORE ${BOOST_VERSION_DOT})
 
@@ -49,7 +52,19 @@ if(NOT OpenCL-ICD-Loader_POPULATED)
   message(STATUS "Populated OpenCL ICD Loader")
 endif()
 list(APPEND INTEGRATED_OPENCL_INCLUDES ${OPENCL_ICD_LOADER_HEADERS_DIR})
-list(APPEND INTEGRATED_OPENCL_DEFINITIONS CL_TARGET_OPENCL_VERSION=120)
+
+# lint_cmake: -linelength
+# CL_TARGET_OPENCL_VERSION should match whatever the version was with the OpenCL-Headers commit pulled above.
+# That should also be consistent with whatever version of PoCL is built in LightGBM's CI images.
+#
+#  references:
+#
+#    * https://github.com/KhronosGroup/OpenCL-Headers/blob/6137cfbbc7938cd43069d45c622022572fb87113/README.md?plain=1#L56-L71
+#    * https://github.com/KhronosGroup/OpenCL-Headers/blob/6137cfbbc7938cd43069d45c622022572fb87113/CL/cl_version.h#L23
+#    * https://github.com/pocl/pocl/blob/070b1081111d5f29bd8bd87fb8355866644fe8ea/CMakeLists.txt#L1572-L1573
+#
+# lint_cmake: +linelength
+list(APPEND INTEGRATED_OPENCL_DEFINITIONS CL_TARGET_OPENCL_VERSION=300)
 if(WIN32)
   list(
     APPEND