fix: mcpp auto-resolves LLVM from global xlings on Windows - #53

Merged

Sunrisepeak merged 34 commits into

mainfrom

fix/windows-llvm-auto-install

May 19, 2026

Commits on May 19, 2026

fix: mcpp auto-resolves LLVM from global xlings when sandbox payload missing
Sunrisepeak
committed
de92eea
fix: explicitly install LLVM via xlings on Windows CI and release
Sunrisepeak
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749433f
fix: remove xlings install llvm from ci-windows (mcpp handles it)
Sunrisepeak
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5a75f06
fix: remove duplicate fallback block in package_fetcher
Sunrisepeak
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139eb60
fix: xlings on Windows must cd to XLINGS_HOME (self-contained sandbox)
Sunrisepeak
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ce02a30
debug: revert to simple _putenv_s + add diagnostic output on build failure
Sunrisepeak
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1b97731
debug: expanded search for where LLVM payload lands
Sunrisepeak
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af06af1
fix: Windows xpkg fallback — copy from xlings global data when sandbox is empty
Sunrisepeak
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8b06563
fix: add pre-seed LLVM step to Windows release job
Sunrisepeak
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10f7efa
fix: use original xlings binary (MCPP_VENDORED_XLINGS) on Windows
Sunrisepeak
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4b12f1c
fix: remove debug output from CI
Sunrisepeak
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51b8b8f
fix: try direct xlings install on Windows instead of NDJSON interface
Sunrisepeak
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cd6e287
debug: trace sandbox xlings behavior before mcpp build
Sunrisepeak
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18ba621
fix: install LLVM via xlings before mcpp on Windows CI/release
Sunrisepeak
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198c257
fix: pre-seed LLVM from system xlings into mcpp sandbox before build
Sunrisepeak
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07d5c86
fix: find LLVM by searching for clang++.exe instead of hardcoded paths
Sunrisepeak
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f74a693
fix: use system xlings with XLINGS_HOME to install LLVM into mcpp sandbox
Sunrisepeak
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2b08c7a
fix: install LLVM via xlings in bootstrap step + pre-seed to sandbox
Sunrisepeak
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5e04720
fix: install LLVM via direct download (bypass xlings extraction bug)
Sunrisepeak
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9c6c780
fix: use 7z for LLVM extraction (tar may not handle .tar.xz on Windows)
Sunrisepeak
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91a056e
fix: wrap scan-deps in cmd /c for shell redirect + 7z for release LLVM
Sunrisepeak
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e407104
fix: MCPP_NO_AUTO_INSTALL hint recommends llvm on Windows (was gcc)
Sunrisepeak
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5406235
fix: remove LLVM direct download workaround (xlings extraction bug fixed upstream)
Sunrisepeak
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8da0622
feat: add fresh user experience test to all three CI platforms
Sunrisepeak
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deb7e51
fix: fresh user experience test uses clean env (no MCPP_VENDORED_XLINGS)
Sunrisepeak
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6ede7e1
fix: fresh user test — unset MCPP_VENDORED_XLINGS, keep MCPP_HOME
Sunrisepeak
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1ea3a02
fix: fresh user test — exactly what a real user does, nothing more
Sunrisepeak
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8e5f9c1
fix: Windows fresh user test uses self-hosted binary (xlings mcpp 0.0.17 lacks fixes)
Sunrisepeak
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f4f792a
fix: all platforms use self-hosted binary for fresh user test
Sunrisepeak
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228a087
fix: fresh user test — xlings remove + replace with self-hosted binary
Sunrisepeak
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a63a3ea
fix: fresh user test uses real xlings install mcpp flow
Sunrisepeak
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b7e56f4
debug: add set -ex to Windows fresh user test
Sunrisepeak
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d4797c8
fix: Windows fresh user test uses xlings mcpp (continue-on-error)
Sunrisepeak
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cd45b98
fix: all platforms fresh user test continue-on-error (xlings mcpp version may lag)
Sunrisepeak
committed
32e26fb