GH-55398: [R][CI] Build the Windows libarrow binary with Rtools45 instead of Rtools40

.github/workflows/r.yml

@@ -33,6 +33,7 @@ on:
       - "ci/scripts/cpp_*.sh"
       - "ci/scripts/install_minio.sh"
       - "ci/scripts/r_*.sh"
+      - "ci/scripts/r_windows_bcrypt_compat.h"
       - "cpp/**"
       - "compose.yaml"
       - "r/**"
@@ -46,6 +47,7 @@ on:
       - "ci/scripts/cpp_*.sh"
       - "ci/scripts/install_minio.sh"
       - "ci/scripts/r_*.sh"
+      - "ci/scripts/r_windows_bcrypt_compat.h"
       - "cpp/**"
       - "compose.yaml"
       - "r/**"
@@ -205,38 +207,24 @@ jobs:
       fail-fast: false
       matrix:
         config:
-        - { rtools: 40, arch: 'ucrt64' }
+        - { rtools: 45, arch: 'ucrt64' }
     steps:
       - run: git config --global core.autocrlf false
       - name: Checkout Arrow
         uses: actions/checkout@v7
         with:
           persist-credentials: false
           fetch-depth: 0
-      - name: Setup ccache
-        shell: bash
-        run: |
-          ci/scripts/ccache_setup.sh
-          echo "CCACHE_DIR=$(cygpath --absolute --windows ccache)" >> $GITHUB_ENV
-      - name: Cache ccache
-        uses: actions/cache@v6
-        with:
-          path: ccache
-          key: r-${{ matrix.config.rtools }}-ccache-mingw-${{ matrix.config.arch }}-${{ hashFiles('cpp/src/**/*.cc','cpp/src/**/*.h)') }}-${{ github.run_id }}
-          restore-keys: |
-            r-${{ matrix.config.rtools }}-ccache-mingw-${{ matrix.config.arch }}-${{ hashFiles('cpp/src/**/*.cc','cpp/src/**/*.h)') }}-
-            r-${{ matrix.config.rtools }}-ccache-mingw-${{ matrix.config.arch }}-
       - uses: r-lib/actions/setup-r@v2
         with:
-          # Note: we need Rtools40 here because Rtools40 + ucrt is how we build the Arrow C++
-          # static library. R itself is not used, but setup-r picks the Rtools version from
-          # r-version, and R 4.1 was the last R to use Rtools40, so this must stay at 4.1.
-          r-version: "4.1"
+          # R itself is not used here, but setup-r picks the Rtools version
+          # from r-version. R 4.5 gets Rtools45, which is what builds the
+          # Arrow C++ static library, so this must stay at 4.5.
+          r-version: "4.5"
           Ncpus: 2
       - name: Build Arrow C++
         shell: bash
         env:
-          MINGW_ARCH: ${{ matrix.config.arch }}
           RTOOLS_VERSION: ${{ matrix.config.rtools }}
         run: ci/scripts/r_windows_build.sh
       - name: Rename libarrow.zip
@@ -283,14 +271,15 @@ jobs:
       - name: Download Timezone Database
         shell: bash
         run: |
-          # RTools 40 uses GCC 8.x which does not support C++20 chrono timezones,
-          # so Arrow uses the vendored date library which requires tzdata
+          # The R libarrow is built with ARROW_USE_STD_CHRONO=0 (see
+          # ci/scripts/r_windows_build.sh), so Arrow uses the vendored date
+          # library, which requires tzdata
           ci/scripts/download_tz_database.sh
       - run: mkdir r/windows
       - name: Download artifacts
         uses: actions/download-artifact@v8
         with:
-          name: libarrow-rtools40-ucrt64.zip
+          name: libarrow-rtools45-ucrt64.zip
           path: r/windows
       - name: Unzip and rezip libarrows
         shell: bash

ci/scripts/r_windows_bcrypt_compat.h

@@ -0,0 +1,36 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+// BCrypt algorithm pseudo-handles (available since Windows 10 1703). The
+// mingw-w64 headers shipped with Rtools45 (mingw-w64 11.0) don't define them,
+// but the bundled google-cloud-cpp uses them in google/cloud/internal/win32/.
+// This file is force-included into every translation unit via CXXFLAGS by
+// ci/scripts/r_windows_build.sh, so it deliberately includes nothing itself:
+// BCRYPT_ALG_HANDLE is resolved at the point of use. Values match mingw-w64
+// master include/bcrypt.h.
+#ifndef BCRYPT_MD5_ALG_HANDLE
+#define BCRYPT_MD5_ALG_HANDLE ((BCRYPT_ALG_HANDLE)0x00000021)
+#endif
+#ifndef BCRYPT_SHA256_ALG_HANDLE
+#define BCRYPT_SHA256_ALG_HANDLE ((BCRYPT_ALG_HANDLE)0x00000041)
+#endif
+#ifndef BCRYPT_HMAC_SHA256_ALG_HANDLE
+#define BCRYPT_HMAC_SHA256_ALG_HANDLE ((BCRYPT_ALG_HANDLE)0x000000b1)
+#endif
+#ifndef BCRYPT_RSA_ALG_HANDLE
+#define BCRYPT_RSA_ALG_HANDLE ((BCRYPT_ALG_HANDLE)0x000000e1)
+#endif