GHA/distcheck: bump old cmake, switch to arm64 for performance

Bump CMake version in CMake integration tests for better performance
(8x on macOS, 2-3x on Windows) and native arm64 binaries.

- bump old CMake in integration tests to v3.19.8 (was: v3.11.4)
- switch to native arm64 CMake binaries on macOS.
- switch Linux CMake integration job to arm64.

Speed gains:
- Linux: 2m -> 1m30s
- macOS: 9-10m -> 1m15s
- Windows: 6-7m -> 2m43s

Before:
https://github.com/curl/curl/actions/runs/21255697172
https://github.com/curl/curl/actions/runs/21255020621

After:
https://github.com/curl/curl/actions/runs/21272021446

With this, CI is:
- no longer testing deprecated CMake versions.
  Follow-up to a7c974e038572bd1d4a653afbd6de5fad5a10215 #19902
- not testing the next (from 2026 April) minimum 3.18, but going for
  3.19 instead. For arm64 binaries on both macOS and Linux. There is
  no 3.18-specific CMake code in curl.

Cherry-picked from #20407
Closes #20408

diff --git a/.github/workflows/distcheck.yml b/.github/workflows/distcheck.yml
index 48c9f6afbcb7ca3845f626f56c2bc718955a1256..db610d378d6c6fa21fca19b0eafab9e6dcd7415d 100644 (file)
--- a/.github/workflows/distcheck.yml
+++ b/.github/workflows/distcheck.yml
@@ -258,11 +258,11 @@ jobs:
       MAKEFLAGS: ${{ contains(matrix.image, 'macos') && '-j 4' || '-j 5' }}
       MATRIX_IMAGE: '${{ matrix.image }}'
       TESTOPTS: ${{ contains(matrix.image, 'macos') && '-D_CURL_PREFILL=ON' || '' }} ${{ contains(matrix.image, 'windows') && '-DCMAKE_UNITY_BUILD_BATCH_SIZE=30' || '' }}
-      OLD_CMAKE_VERSION: 3.11.4
+      OLD_CMAKE_VERSION: 3.19.8
     strategy:
       fail-fast: false
       matrix:
-        image: [ubuntu-latest, macos-latest, windows-2022]
+        image: [ubuntu-24.04-arm, macos-latest, windows-2022]
     steps:
       - uses: msys2/setup-msys2@4f806de0a5a7294ffabaff804b38a9b435a73bda # v2.30.0
         if: ${{ contains(matrix.image, 'windows') }}
@@ -289,14 +289,14 @@ jobs:
             sudo apt-get -o Dpkg::Use-Pty=0 install libpsl-dev libssl-dev
             cd ~
             curl --disable --fail --silent --show-error --connect-timeout 15 --max-time 60 --retry 3 --retry-connrefused \
-              --location "https://github.com/Kitware/CMake/releases/download/v${OLD_CMAKE_VERSION}/cmake-${OLD_CMAKE_VERSION}-Linux-x86_64.tar.gz" | tar -xz
-            printf '%s' ~/cmake-"${OLD_CMAKE_VERSION}"-Linux-x86_64/bin/cmake > ~/old-cmake-path.txt
+              --location "https://github.com/Kitware/CMake/releases/download/v${OLD_CMAKE_VERSION}/cmake-${OLD_CMAKE_VERSION}-Linux-aarch64.tar.gz" | tar -xz
+            printf '%s' ~/cmake-"${OLD_CMAKE_VERSION}"-Linux-aarch64/bin/cmake > ~/old-cmake-path.txt
           else
             brew install libpsl openssl
             cd ~
             curl --disable --fail --silent --show-error --connect-timeout 15 --max-time 60 --retry 3 --retry-connrefused \
-              --location "https://github.com/Kitware/CMake/releases/download/v${OLD_CMAKE_VERSION}/cmake-${OLD_CMAKE_VERSION}-Darwin-x86_64.tar.gz" | tar -xz
-            printf '%s' ~/cmake-"${OLD_CMAKE_VERSION}"-Darwin-x86_64/CMake.app/Contents/bin/cmake > ~/old-cmake-path.txt
+              --location "https://github.com/Kitware/CMake/releases/download/v${OLD_CMAKE_VERSION}/cmake-${OLD_CMAKE_VERSION}-macos-universal.tar.gz" | tar -xz
+            printf '%s' ~/cmake-"${OLD_CMAKE_VERSION}"-macos-universal/CMake.app/Contents/bin/cmake > ~/old-cmake-path.txt
           fi
 
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1