Build and run natively on Apple Silicon (Xcode 26 / macOS 26)#1377
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mavliev wants to merge 1 commit into
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Build and run natively on Apple Silicon (Xcode 26 / macOS 26)#1377mavliev wants to merge 1 commit into
mavliev wants to merge 1 commit into
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- Raise deployment target 10.8 -> 11.0 (project.pbxproj + Podfile + post_install hook). 10.8 required the removed libarclite and was the only build blocker. - Fix latent out-of-bounds toolbar array reads in MPToolbarController.m that crashed at launch under the arm64 Release optimizer. - Modernize 14 deprecated API uses across 7 files (NSAutoPagination, NSFileHandlingPanelOKButton, NSOnState, insertText:replacementRange:, secure NSKeyedUnarchiver, colorUsingColorSpace:, file-URL drag pasteboard). Secure unarchiving verified to decode the .map resources identically. - Add MacDown/MacDown.entitlements (hardened-runtime compatible) for notarization-ready distribution builds. Legacy WebView/DOMNode deprecations deferred (need a WKWebView migration). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Just an FYI: there already is a fork, that is being maintained: https://github.com/schuyler/macdown3000
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Summary
MacDown currently fails to build with modern Xcode because the project's deployment
target is macOS 10.8, which requires
libarclite(removed in Xcode 14+). This PR makesMacDown build and run as a native arm64 app on Apple Silicon with current toolchains,
using minimal, surgical changes.
Tested on Apple M2, macOS 26, Xcode 26.3, CocoaPods 1.16.2.
Changes
the Podfile, plus a
post_installhook so the generated Pods project keeps the sametarget. This is the only change required to fix the
libarclitebuild failure.MPToolbarController.m:spaceAfterIndices[]and
flexibleSpaceAfterIndices[]were indexed without bounds checks. This was benignunder the old x86_64 toolchain, but the arm64 Release optimizer made it crash at launch
in
toolbarDefaultItemIdentifiers:. Added bounds guards (behavior-preserving).NSAutoPagination->NSPrintingPaginationModeAutomaticNSFileHandlingPanelOKButton->NSModalResponseOKNSOnState->NSControlStateValueOn-insertText:->-insertText:replacementRange:+unarchiveObjectWithFile:-> secure+unarchivedObjectOfClasses:fromData:error:(verified to decode
data.map/treats.mapidentically)colorUsingColorSpaceName:->colorUsingColorSpace:NSPasteboardTypeFileURL+readObjectsForClasses:options:(also fixes a
registerForDraggedTypes:that registered a pasteboard name, not a type)MacDown/MacDown.entitlements(hardened-runtime compatible) to supportnotarization-ready distribution builds.
Not included (intentionally, to keep this focused)
WebView/DOMNode->WKWebViewmigration. Those APIs are deprecated butstill function; migrating is a larger change best left to a separate PR.
Testing
includes a native arm64 slice.
Code Type: ARM64, not under Rosetta).🤖 Generated with Claude Code