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ci: speed up Windows jobs by trimming the msys2 install #354

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ViralBShah merged 2 commits into from
Jun 23, 2026
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ci: speed up Windows jobs by trimming the msys2 install #354

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6b3af82
ci: trim Windows msys2 install to speed up setup
ViralBShah Jun 22, 2026
5f16973
ci: trim clang Windows install to the clang package too
ViralBShah Jun 22, 2026
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21 changes: 15 additions & 6 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -34,12 +34,21 @@ jobs:
strategy:
fail-fast: false
matrix:
# Install only what the build needs instead of `base-devel` plus the
# full `*-toolchain` meta-package. The msys2 package cache is already on
# by default and hits, but pacman still *extracts* every package on each
# run, and base-devel + the toolchain meta dominated setup time (it was
# ~3.5 min of pacman install on the arm runner). openlibm only needs make
# and a C compiler. The -gcc package pulls in binutils and the runtime;
# the -clang package requires lld and llvm-tools (which provides ar), so
# it is a complete toolchain on its own without the meta-package's unused
# extras (lldb, openmp, flang, ...).
include:
- { os: windows-latest, sys: mingw64, env: x86_64 }
- { os: windows-latest, sys: mingw32, env: i686 }
- { os: windows-latest, sys: ucrt64, env: ucrt-x86_64 } # Experimental!
- { os: windows-latest, sys: clang64, env: clang-x86_64 } # Experimental!
- { os: windows-11-arm, sys: clangarm64, env: clang-aarch64 } # Experimental!
- { os: windows-latest, sys: mingw64, install: "make mingw-w64-x86_64-gcc" }
- { os: windows-latest, sys: mingw32, install: "make mingw-w64-i686-gcc" }
- { os: windows-latest, sys: ucrt64, install: "make mingw-w64-ucrt-x86_64-gcc" } # Experimental!
- { os: windows-latest, sys: clang64, install: "make mingw-w64-clang-x86_64-clang" } # Experimental!
- { os: windows-11-arm, sys: clangarm64, install: "make mingw-w64-clang-aarch64-clang" } # Experimental!
defaults:
run:
shell: msys2 {0}
Expand All @@ -49,7 +58,7 @@ jobs:
uses: msys2/setup-msys2@v2
with:
msystem: ${{matrix.sys}}
install: base-devel mingw-w64-${{matrix.env}}-toolchain
install: ${{matrix.install}}
- run: make -j$(nproc)
- run: make test
strict-warnings:
Expand Down