Build Information
Failed to build MailCore2, reference master (e512ab), with Swift 6.2 for visionOS using Xcode 26.3 on 9 Oct 2026 09:02:26 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MailCore2 -destination generic/platform=xrOSBuild Log
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RunAll
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Builder version: 5.1.1
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/MailCore/mailcore2.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/MailCore/mailcore2
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at e512ab5 Simplify ActiveSync public API
Submodule path 'deps/ctemplate': checked out 'd004783679560176f501998fd620f50acfc233f0'
Submodule path 'deps/libetpan': checked out '6dc099a813344ee9c48009d70a78016ae838afcc'
Submodule path 'deps/tidy-html5': checked out '10c3674befa76f0f8c56e2944959a0ba9e1ef638'
Submodule 'deps/ctemplate' (https://github.com/dinhviethoa/ctemplate) registered for path 'deps/ctemplate'
Submodule 'deps/libetpan' (https://github.com/dinhviethoa/libetpan.git) registered for path 'deps/libetpan'
Submodule 'deps/tidy-html5' (https://github.com/dinhvh/tidy-html5.git) registered for path 'deps/tidy-html5'
Cloning into '/Users/admin/builder/spi-builder-workspace/deps/ctemplate'...
Cloning into '/Users/admin/builder/spi-builder-workspace/deps/libetpan'...
Cloning into '/Users/admin/builder/spi-builder-workspace/deps/tidy-html5'...
Cloned https://github.com/MailCore/mailcore2.git
Revision (git rev-parse @):
e512ab51f43c5f682c8ce7ede5c4bdfd89194677
SUCCESS checkout https://github.com/MailCore/mailcore2.git at master
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Build
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Selected platform: visionOS
Swift version: 6.2
Building package at path: $PWD
https://github.com/MailCore/mailcore2.git
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
MailCore2: /Users/admin/builder/spi-builder-workspace
resolved source packages: MailCore2
2026-10-09 05:01:57.752 xcodebuild[568:3190] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "MailCore2",
"name" : "MailCore2",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "9.0"
},
{
"name" : "macos",
"version" : "10.10"
}
],
"products" : [
{
"name" : "MailCore2",
"targets" : [
"MailCore2"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MailCore2",
"module_type" : "BinaryTarget",
"name" : "MailCore2",
"path" : "remote/archive/MailCore2-2020-09-24.xcframework.zip",
"product_memberships" : [
"MailCore2"
],
"sources" : [
],
"type" : "binary"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"MailCore2"
]
}
}
2026-10-09 05:02:19.076 xcodebuild[870:5263] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MailCore2 -destination generic/platform=xrOS
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme MailCore2 -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
MailCore2: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
Target 'MailCore2' in project 'MailCore2' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.2.sdk -x c -c /dev/null
Build description signature: 9398d05512e229fd93cd59c697b01a55
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/9398d05512e229fd93cd59c697b01a55.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/MailCore2/MailCore2.xcframework:1:1: error: While building for visionOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/MailCore2/MailCore2.xcframework'. (in target 'MailCore2' from project 'MailCore2')
2026-10-09 05:02:20.856 xcodebuild[872:5306] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme MailCore2
(1 failure)
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
MailCore2: /Users/admin/builder/spi-builder-workspace
resolved source packages: MailCore2
2026-10-09 05:02:23.489 xcodebuild[888:5422] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "MailCore2",
"name" : "MailCore2",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "9.0"
},
{
"name" : "macos",
"version" : "10.10"
}
],
"products" : [
{
"name" : "MailCore2",
"targets" : [
"MailCore2"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MailCore2",
"module_type" : "BinaryTarget",
"name" : "MailCore2",
"path" : "remote/archive/MailCore2-2020-09-24.xcframework.zip",
"product_memberships" : [
"MailCore2"
],
"sources" : [
],
"type" : "binary"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"MailCore2"
]
}
}
2026-10-09 05:02:24.894 xcodebuild[896:5481] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MailCore2 -destination generic/platform=xrOS
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme MailCore2 -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
MailCore2: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
Target 'MailCore2' in project 'MailCore2' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.2.sdk -x c -c /dev/null
Build description signature: 9398d05512e229fd93cd59c697b01a55
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/9398d05512e229fd93cd59c697b01a55.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/MailCore2/MailCore2.xcframework:1:1: error: While building for visionOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/MailCore2/MailCore2.xcframework'. (in target 'MailCore2' from project 'MailCore2')
2026-10-09 05:02:26.045 xcodebuild[898:5511] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme MailCore2
(1 failure)
BUILD FAILURE 6.2 visionOS