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CI: build macOS MEX on macos-15 with MATLAB R2025a #30

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Merged
stevevanhooser merged 1 commit into from
Oct 3, 2026
Merged

CI: build macOS MEX on macos-15 with MATLAB R2025a #30

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25 changes: 16 additions & 9 deletions .github/workflows/release.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -166,32 +166,39 @@ jobs:
fail-fast: false
matrix:
# Matlab actions support limited OS versions, check availability.
# macOS is pinned to macos-14 (arm64) because the macos-latest image
# ships an Xcode too new for R2024b's mex linker.
os: [ubuntu-latest, windows-latest, macos-14]
# macOS uses macos-15 (arm64), whose images ship only Xcode 16 and
# newer. R2024b's mex linker needs Xcode 15, so macOS builds with
# R2025a, which supports Xcode 16. Linux and Windows stay on R2024b.
include:
- os: ubuntu-latest
matlab: R2024b
- os: windows-latest
matlab: R2024b
- os: macos-15
matlab: R2025a
steps:
- uses: actions/checkout@v4

- uses: matlab-actions/setup-matlab@v2
with:
release: 'R2024b'
release: ${{ matrix.matlab }}

# MATLAB R2024b's mex linker is incompatible with the very new Xcode on
# the default image, so select a supported Xcode 15.x.
# Pin an Xcode 16.x that R2025a's mex supports, rather than whatever
# (possibly newer) Xcode the image defaults to.
- name: Select Xcode for MEX (macOS)
if: runner.os == 'macOS'
shell: bash
run: |
set -e
XC=""
for v in 15.4 15.3 15.2 15.1 15.0.1 15.0; do
for v in 16.4 16.3 16.2 16.1 16.0; do
if [ -d "/Applications/Xcode_${v}.app" ]; then XC="/Applications/Xcode_${v}.app"; break; fi
done
if [ -z "$XC" ]; then
XC=$(ls -d /Applications/Xcode_15*.app 2>/dev/null | sort -V | tail -1 || true)
XC=$(ls -d /Applications/Xcode_16*.app 2>/dev/null | sort -V | tail -1 || true)
fi
if [ -z "$XC" ]; then
echo "No Xcode 15.x found on runner; available Xcodes:"; ls -d /Applications/Xcode_*.app || true; exit 1
echo "No Xcode 16.x found on runner; available Xcodes:"; ls -d /Applications/Xcode_*.app || true; exit 1
fi
echo "Selecting $XC"
sudo xcode-select -s "$XC/Contents/Developer"
Expand Down
25 changes: 16 additions & 9 deletions .github/workflows/test.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -122,32 +122,39 @@ jobs:
fail-fast: false
matrix:
# Matlab actions support limited OS versions, check availability.
# macOS is pinned to macos-14 (arm64) because the macos-latest image
# ships an Xcode too new for R2024b's mex linker.
os: [ubuntu-latest, windows-latest, macos-14]
# macOS uses macos-15 (arm64), whose images ship only Xcode 16 and
# newer. R2024b's mex linker needs Xcode 15, so macOS builds with
# R2025a, which supports Xcode 16. Linux and Windows stay on R2024b.
include:
- os: ubuntu-latest
matlab: R2024b
- os: windows-latest
matlab: R2024b
- os: macos-15
matlab: R2025a
steps:
- uses: actions/checkout@v4

- uses: matlab-actions/setup-matlab@v2
with:
release: 'R2024b'
release: ${{ matrix.matlab }}

# MATLAB R2024b's mex linker is incompatible with the very new Xcode on
# the default image, so select a supported Xcode 15.x.
# Pin an Xcode 16.x that R2025a's mex supports, rather than whatever
# (possibly newer) Xcode the image defaults to.
- name: Select Xcode for MEX (macOS)
if: runner.os == 'macOS'
shell: bash
run: |
set -e
XC=""
for v in 15.4 15.3 15.2 15.1 15.0.1 15.0; do
for v in 16.4 16.3 16.2 16.1 16.0; do
if [ -d "/Applications/Xcode_${v}.app" ]; then XC="/Applications/Xcode_${v}.app"; break; fi
done
if [ -z "$XC" ]; then
XC=$(ls -d /Applications/Xcode_15*.app 2>/dev/null | sort -V | tail -1 || true)
XC=$(ls -d /Applications/Xcode_16*.app 2>/dev/null | sort -V | tail -1 || true)
fi
if [ -z "$XC" ]; then
echo "No Xcode 15.x found on runner; available Xcodes:"; ls -d /Applications/Xcode_*.app || true; exit 1
echo "No Xcode 16.x found on runner; available Xcodes:"; ls -d /Applications/Xcode_*.app || true; exit 1
fi
echo "Selecting $XC"
sudo xcode-select -s "$XC/Contents/Developer"
Expand Down
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