ld: tapi error: malformed file

[zhuyankun]

ld: tapi error: malformed file
/Library/Developer/CommandLineTools/SDKs/MacOSX27.0.sdk/usr/lib/libSystem.B.tbd:4:20: error: unknown architecture
arm64e.x1-macos, arm64e.x1-maccatalyst ]
^~~~~~~~~~~~~~~
in '/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/libSystem.tbd'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
/Users/zyk/zyk/github/deepseek-harness/native/system/scripts/build.ts:82
if (result.status !== 0) throw new Error(build: ${compiler} failed for ${binary.path})
^

Error: build: cc failed for bin/system.node

[PerryLink]

This is a toolchain problem, not a source problem. The repo's macOS build only
compiles one Node-API addon (bin/system.node, the flock binding) with:

cc -std=c11 -O2 ... -bundle -undefined dynamic_lookup -mmacosx-version-min=11.0

(native/system/scripts/build.ts:61-71), and your stack trace's final line is the
script re-throwing the compiler failure at native/system/scripts/build.ts:82.
The real error is Apple's ld: tapi error: malformed file ... unknown architecture arm64e.x1-macos while parsing
/Library/Developer/CommandLineTools/SDKs/MacOSX27.0.sdk/usr/lib/libSystem.B.tbd.
Your Command Line Tools linker is too old to parse the .tbd shipped in the newer
SDK (the 27.x SDK carries arch entries your ld does not understand).

Fix the toolchain (standard Apple steps — I cannot run macOS here, so this part
is unverified on my machine):

1. xcode-select -p — confirm which developer dir is active.
2. Reinstall/update Command Line Tools:
   sudo rm -rf /Library/Developer/CommandLineTools && xcode-select --install
3. If full Xcode is installed, switch to it:
   sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
4. Verify clang --version, then rebuild.

If you don't need the source tree build at all: the published npm packages ship
prebuilt bin/system.node for darwin-arm64/darwin-x64 and do not compile at
install time (native/system/packages/darwin-arm64/prebuilds.json:4;
native/system/packages/entry/README.md:13), so
npm install -g @deepseek-ai/dsh sidesteps this entirely. The flock binding is
also lazy — it only loads when a lock is actually taken
(native/system/docs/architecture.md:9) — so a broken local build does not
affect the prebuilt distribution.

[PerryLink]

This is a toolchain problem, not a source problem. The repo's macOS build only
compiles one Node-API addon (bin/system.node, the flock binding) with:

cc -std=c11 -O2 ... -bundle -undefined dynamic_lookup -mmacosx-version-min=11.0

(native/system/scripts/build.ts:61-71), and your stack trace's final line is the
script re-throwing the compiler failure at native/system/scripts/build.ts:82.
The real error is Apple's ld: tapi error: malformed file ... unknown architecture arm64e.x1-macos while parsing
/Library/Developer/CommandLineTools/SDKs/MacOSX27.0.sdk/usr/lib/libSystem.B.tbd.
Your Command Line Tools linker is too old to parse the .tbd shipped in the newer
SDK (the 27.x SDK carries arch entries your ld does not understand).

Fix the toolchain (standard Apple steps — I cannot run macOS here, so this part
is unverified on my machine):

1. xcode-select -p — confirm which developer dir is active.
2. Reinstall/update Command Line Tools:
   sudo rm -rf /Library/Developer/CommandLineTools && xcode-select --install
3. If full Xcode is installed, switch to it:
   sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
4. Verify clang --version, then rebuild.

If you don't need the source tree build at all: the published npm packages ship
prebuilt bin/system.node for darwin-arm64/darwin-x64 and do not compile at
install time (native/system/packages/darwin-arm64/prebuilds.json:4;
native/system/packages/entry/README.md:13), so
npm install -g @deepseek-ai/dsh sidesteps this entirely. The flock binding is
also lazy — it only loads when a lock is actually taken
(native/system/docs/architecture.md:9) — so a broken local build does not
affect the prebuilt distribution.