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Update to newer JSC and use Bun's fork - #187

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matthargett wants to merge 17 commits into

react-native-community:mainfrom

rebeckerspecialties:bun-alignment

Commits on Oct 17, 2025
- first successful build and run in simulator using in-repo test app
  matthargett
  committed
  5a5ad23
Commits on Oct 18, 2025
- adjust optimization and C++ flags. -Oz produces a 2MB smaller intl binary, but without vectorization (helped by the -O2 inlining), the interpreter hot path might not stay hot in the CPU caches. if …
  matthargett
  committed
  ea40648
Commits on Oct 19, 2025
- Update scripts/start.sh
  
  matthargett
  and
  Kudo
  authored
  4b4310f
- clang bug in NDK 27 makes loop vectorization pass error. disable the warning (to about warnings as errors killing the build unnecessarily), but also disable loop vectorization options until NDK can…
  matthargett
  committed
  bf0a760
Commits on Nov 2, 2025
- [ci] cleanup ubuntu runner disk (#188)
  
  Kudo
  authored and
  matthargett
  committed
  daf4c7e
- patches on top of bun, scripts to make things more dynamically discoverable on any build machine
  matthargett
  committed
  055fcd8
Commits on Nov 3, 2025
- lto=thin is clang-only, even in Ubuntu 24.x, and we only really care about LTO for the binary bits that end up in the app package itself anyway. gradefully degrade to generic LTO when clang isn't d…
  matthargett
  committed
  b2e4240
- be more flexible with suboptimal ABI requests, but still favor armv8a (pixel 2 and above) for the superior vectorization codegen that's possible
  matthargett
  committed
  79cf238
Commits on Nov 4, 2025
- filter 32bit platforms out
  matthargett
  committed
  509e65b
Commits on Nov 5, 2025
Commits on Nov 7, 2025
- nointl build was broken due to incorrect codepoint comparison that was lost when rebasing the existing patch stack on the new JSC. efault collator lazy-property is now wrapped in #if ENABLE(INTL) s…
  matthargett
  committed
  3951b75
- ignore NDK-specific dist directories
  matthargett
  committed
  aa5d326
Commits on Nov 11, 2025
- fix overly specific shell usage
  matthargett
  committed
  74de2cf
- don't add clang flags to gcc. I thought for sure this would be fine, so maybe something else is up in the compiler environment now?
  matthargett
  committed
  dbab32c
Commits on Nov 12, 2025
- fix corrupt patch
  matthargett
  committed
  5ba223a

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Update to newer JSC and use Bun's fork - #187

Update to newer JSC and use Bun's fork#187
matthargett wants to merge 17 commits into
react-native-community:mainfrom
rebeckerspecialties:bun-alignment

Commits on Oct 17, 2025

first successful build and run in simulator using in-repo test app

Commits on Oct 18, 2025

adjust optimization and C++ flags. -Oz produces a 2MB smaller intl binary, but without vectorization (helped by the -O2 inlining), the interpreter hot path might not stay hot in the CPU caches. if …

Commits on Oct 19, 2025

Update scripts/start.sh

clang bug in NDK 27 makes loop vectorization pass error. disable the warning (to about warnings as errors killing the build unnecessarily), but also disable loop vectorization options until NDK can…

Commits on Nov 2, 2025

[ci] cleanup ubuntu runner disk (#188)

patches on top of bun, scripts to make things more dynamically discoverable on any build machine

Commits on Nov 3, 2025

lto=thin is clang-only, even in Ubuntu 24.x, and we only really care about LTO for the binary bits that end up in the app package itself anyway. gradefully degrade to generic LTO when clang isn't d…

be more flexible with suboptimal ABI requests, but still favor armv8a (pixel 2 and above) for the superior vectorization codegen that's possible

Commits on Nov 4, 2025

filter 32bit platforms out

Commits on Nov 5, 2025

upstream update fixes a problem where Promise reactions weren't first-class GC collectible, which can cause OOM on a specific synthetic stress test on mobile/wearable devices

build and publish separate artifacts for NDK 27, 28, and 29 so decouple React Native's lagging toolchain from other downstream users like BabylonNative

cache the NDKs instead of re-downloading and re-unpacking each time. for that matter, use cccache so that incremental updates from upstream bun-sh/webkit don't trigger the 90+ minute (time three, f…

Commits on Nov 7, 2025

nointl build was broken due to incorrect codepoint comparison that was lost when rebasing the existing patch stack on the new JSC. efault collator lazy-property is now wrapped in #if ENABLE(INTL) s…

ignore NDK-specific dist directories

Commits on Nov 11, 2025

fix overly specific shell usage

don't add clang flags to gcc. I thought for sure this would be fine, so maybe something else is up in the compiler environment now?

Commits on Nov 12, 2025

fix corrupt patch