Build Information
Failed to build swift-mapnik, reference v1.0.2 (00b885), with Swift 6.3 for iOS using Xcode 26.4 on 3 Oct 2026 08:33:22 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-mapnik -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Outdooractive/swift-mapnik.git
Reference: v1.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Outdooractive/swift-mapnik
* tag v1.0.2 -> FETCH_HEAD
HEAD is now at 00b8853 Discover the Linux plugin directory instead of hardcoding 3.1's
Cloned https://github.com/Outdooractive/swift-mapnik.git
Revision (git rev-parse @):
00b88535e195067b40314c6d8b4085f929d8dad7
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Outdooractive/swift-mapnik.git at v1.0.2
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/Outdooractive/swift-mapnik.git
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/Outdooractive/gis-tools.git
Creating working copy of package ‘gis-tools’
Checking out 2.5.2 of package ‘gis-tools’
Resolve Package Graph
Resolved source packages:
gis-tools: https://github.com/Outdooractive/gis-tools.git @ 2.5.2
swift-mapnik: /Users/admin/builder/spi-builder-workspace
resolved source packages: gis-tools, swift-mapnik
2026-10-03 04:33:06.446 xcodebuild[541:3116] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-10-03 04:33:06.663 xcodebuild[541:3116] [MT] DVTAssertions: Warning in IDEFrameworks/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:926
Details: Error deleting scheme: Cannot modify data because the process disallows saving.
Object: <IDERunContextManager: 0xbe3da6940>
Method: -deleteRunContexts:completionQueue:completionBlock:
Thread: <_NSMainThread: 0x102711620>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2026-10-03 04:33:06.665 xcodebuild[541:3116] could not delete old scheme: Error Domain=DVTCustomDataStoringErrors Code=0 "Cannot modify data because the process disallows saving." UserInfo={NSLocalizedDescription=Cannot modify data because the process disallows saving.}
{
"cxx_language_standard" : "c++17",
"dependencies" : [
{
"identity" : "gis-tools",
"requirement" : {
"range" : [
{
"lower_bound" : "2.5.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Outdooractive/gis-tools.git"
}
],
"manifest_display_name" : "swift-mapnik",
"name" : "swift-mapnik",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "Mapnik",
"targets" : [
"Mapnik"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MapnikTests",
"module_type" : "SwiftTarget",
"name" : "MapnikTests",
"path" : "Tests/MapnikTests",
"product_dependencies" : [
"GISTools"
],
"sources" : [
"AvailableFontsTests.swift",
"FeatureQueryTests.swift",
"Fixtures.swift",
"LayerPropertyTests.swift",
"MapnikDatasourceTests.swift",
"MapnikPoolTests.swift",
"MapnikTests.swift",
"MetatileTests.swift",
"SaveXMLTests.swift",
"TileMathTests.swift",
"WorkQueueTests.swift"
],
"target_dependencies" : [
"Mapnik"
],
"type" : "test"
},
{
"c99name" : "MapnikC",
"module_type" : "ClangTarget",
"name" : "MapnikC",
"path" : "Sources/MapnikC",
"product_memberships" : [
"Mapnik"
],
"sources" : [
"mapnik_c.cpp"
],
"type" : "library"
},
{
"c99name" : "Mapnik",
"module_type" : "SwiftTarget",
"name" : "Mapnik",
"path" : "Sources/Mapnik",
"product_dependencies" : [
"GISTools"
],
"product_memberships" : [
"Mapnik"
],
"sources" : [
"Extensions/BoundingBox+Parsing.swift",
"FeatureQuery.swift",
"Mapnik.swift",
"MapnikConfig.swift",
"MapnikDatasource.swift",
"MapnikError.swift",
"MapnikPool.swift",
"Metatile.swift",
"RenderOptions.swift",
"TileSequence.swift",
"TilelistBuilder.swift",
"WorkQueue.swift"
],
"target_dependencies" : [
"MapnikC"
],
"type" : "library"
}
],
"tools_version" : "6.3"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"swift-mapnik"
]
}
}
2026-10-03 04:33:14.678 xcodebuild[695:4132] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-mapnik -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-26.5.0.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 swift-mapnik -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
gis-tools: https://github.com/Outdooractive/gis-tools.git @ 2.5.2
swift-mapnik: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (5 targets)
Target 'Mapnik' in project 'swift-mapnik'
➜ Explicit dependency on target 'Mapnik' in project 'swift-mapnik'
➜ Explicit dependency on target 'MapnikC' in project 'swift-mapnik'
➜ Explicit dependency on target 'GISTools' in project 'gis-tools'
Target 'Mapnik' in project 'swift-mapnik'
➜ Explicit dependency on target 'MapnikC' in project 'swift-mapnik'
➜ Explicit dependency on target 'GISTools' in project 'gis-tools'
Target 'GISTools' in project 'gis-tools'
➜ Explicit dependency on target 'GISTools' in project 'gis-tools'
Target 'GISTools' in project 'gis-tools' (no dependencies)
Target 'MapnikC' in project 'swift-mapnik' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.5.sdk -x c++ -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: a85f37e8002c6b8725f5c18669894059
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a85f37e8002c6b8725f5c18669894059.xcbuilddata
error: The package product 'GISTools' requires minimum platform version 15.0 for the iOS platform, but this target supports 12.0 (in target 'Mapnik' from project 'swift-mapnik')
2026-10-03 04:33:16.937 xcodebuild[705:4205] [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 swift-mapnik
(1 failure)
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
swift-mapnik: /Users/admin/builder/spi-builder-workspace
gis-tools: https://github.com/Outdooractive/gis-tools.git @ 2.5.2
resolved source packages: swift-mapnik, gis-tools
2026-10-03 04:33:19.230 xcodebuild[740:4406] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"cxx_language_standard" : "c++17",
"dependencies" : [
{
"identity" : "gis-tools",
"requirement" : {
"range" : [
{
"lower_bound" : "2.5.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Outdooractive/gis-tools.git"
}
],
"manifest_display_name" : "swift-mapnik",
"name" : "swift-mapnik",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "Mapnik",
"targets" : [
"Mapnik"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MapnikTests",
"module_type" : "SwiftTarget",
"name" : "MapnikTests",
"path" : "Tests/MapnikTests",
"product_dependencies" : [
"GISTools"
],
"sources" : [
"AvailableFontsTests.swift",
"FeatureQueryTests.swift",
"Fixtures.swift",
"LayerPropertyTests.swift",
"MapnikDatasourceTests.swift",
"MapnikPoolTests.swift",
"MapnikTests.swift",
"MetatileTests.swift",
"SaveXMLTests.swift",
"TileMathTests.swift",
"WorkQueueTests.swift"
],
"target_dependencies" : [
"Mapnik"
],
"type" : "test"
},
{
"c99name" : "MapnikC",
"module_type" : "ClangTarget",
"name" : "MapnikC",
"path" : "Sources/MapnikC",
"product_memberships" : [
"Mapnik"
],
"sources" : [
"mapnik_c.cpp"
],
"type" : "library"
},
{
"c99name" : "Mapnik",
"module_type" : "SwiftTarget",
"name" : "Mapnik",
"path" : "Sources/Mapnik",
"product_dependencies" : [
"GISTools"
],
"product_memberships" : [
"Mapnik"
],
"sources" : [
"Extensions/BoundingBox+Parsing.swift",
"FeatureQuery.swift",
"Mapnik.swift",
"MapnikConfig.swift",
"MapnikDatasource.swift",
"MapnikError.swift",
"MapnikPool.swift",
"Metatile.swift",
"RenderOptions.swift",
"TileSequence.swift",
"TilelistBuilder.swift",
"WorkQueue.swift"
],
"target_dependencies" : [
"MapnikC"
],
"type" : "library"
}
],
"tools_version" : "6.3"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"swift-mapnik"
]
}
}
2026-10-03 04:33:20.488 xcodebuild[773:4633] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-mapnik -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-26.5.0.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 swift-mapnik -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
gis-tools: https://github.com/Outdooractive/gis-tools.git @ 2.5.2
swift-mapnik: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (5 targets)
Target 'Mapnik' in project 'swift-mapnik'
➜ Explicit dependency on target 'Mapnik' in project 'swift-mapnik'
➜ Explicit dependency on target 'MapnikC' in project 'swift-mapnik'
➜ Explicit dependency on target 'GISTools' in project 'gis-tools'
Target 'Mapnik' in project 'swift-mapnik'
➜ Explicit dependency on target 'MapnikC' in project 'swift-mapnik'
➜ Explicit dependency on target 'GISTools' in project 'gis-tools'
Target 'GISTools' in project 'gis-tools'
➜ Explicit dependency on target 'GISTools' in project 'gis-tools'
Target 'GISTools' in project 'gis-tools' (no dependencies)
Target 'MapnikC' in project 'swift-mapnik' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.5.sdk -x c++ -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: a85f37e8002c6b8725f5c18669894059
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a85f37e8002c6b8725f5c18669894059.xcbuilddata
error: The package product 'GISTools' requires minimum platform version 15.0 for the iOS platform, but this target supports 12.0 (in target 'Mapnik' from project 'swift-mapnik')
2026-10-03 04:33:21.474 xcodebuild[780:4678] [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 swift-mapnik
(1 failure)
BUILD FAILURE 6.3 iOS