Swift Package IndexBuild Information
Failed to build SwiftyModbus, reference master (444406), with Swift 6.4 for iOS using Xcode 27.0 on 19 Sep 2026 09:34:19 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftyModbus-Package -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DimaRU/SwiftyModbus.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DimaRU/SwiftyModbus
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 444406b Fix Package definition file errors for Xcode 15/Swift 5.9
Cloned https://github.com/DimaRU/SwiftyModbus.git
Revision (git rev-parse @):
444406bf0d43bf325073e892256c963e5bf77441
SUCCESS checkout https://github.com/DimaRU/SwiftyModbus.git at master
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/DimaRU/SwiftyModbus.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/mxcl/PromiseKit.git
Creating working copy of package ‘PromiseKit’
Checking out 6.22.1 of package ‘PromiseKit’
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolve Package Graph
you may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolve Package Graph
you may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolved source packages:
SwiftyModbus: /Users/admin/builder/spi-builder-workspace
PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
resolved source packages: SwiftyModbus, PromiseKit
2026-09-19 05:33:28.072 xcodebuild[529:3039] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "promisekit",
"requirement" : {
"range" : [
{
"lower_bound" : "6.15.2",
"upper_bound" : "7.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/mxcl/PromiseKit.git"
}
],
"manifest_display_name" : "SwiftyModbus",
"name" : "SwiftyModbus",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftyModbusPromise",
"targets" : [
"SwiftyModbusPromise"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "SwiftyModbus",
"targets" : [
"SwiftyModbus"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftyModbusTests",
"module_type" : "SwiftTarget",
"name" : "SwiftyModbusTests",
"path" : "Tests/SwiftyModbusTests",
"sources" : [
"SwiftModbusTests.swift"
],
"target_dependencies" : [
"SwiftyModbus"
],
"type" : "test"
},
{
"c99name" : "SwiftyModbusPromise",
"module_type" : "SwiftTarget",
"name" : "SwiftyModbusPromise",
"path" : "Sources/SwiftyModbusPromise",
"product_dependencies" : [
"PromiseKit"
],
"product_memberships" : [
"SwiftyModbusPromise"
],
"sources" : [
"SwiftyModbusPromise.swift"
],
"target_dependencies" : [
"CModbus"
],
"type" : "library"
},
{
"c99name" : "SwiftyModbus",
"module_type" : "SwiftTarget",
"name" : "SwiftyModbus",
"path" : "Sources/SwiftyModbus",
"product_memberships" : [
"SwiftyModbus"
],
"sources" : [
"SwiftyModbus.swift",
"SwiftyModbusResult.swift"
],
"target_dependencies" : [
"CModbus"
],
"type" : "library"
},
{
"c99name" : "CModbus",
"module_type" : "SystemLibraryTarget",
"name" : "CModbus",
"path" : "Sources/Libmodbus",
"product_memberships" : [
"SwiftyModbusPromise",
"SwiftyModbus"
],
"sources" : [
],
"type" : "system-target"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "SwiftyModbus",
"schemes" : [
"SwiftyModbus",
"SwiftyModbus-Package",
"SwiftyModbusPromise"
]
}
}
2026-09-19 05:34:09.685 xcodebuild[983:5170] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftyModbus-Package -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftyModbus-Package -destination generic/platform=iOS
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolve Package Graph
you may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolved source packages:
PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
SwiftyModbus: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
Target 'SwiftyModbus-product' in project 'SwiftyModbus'
➜ Explicit dependency on target 'SwiftyModbus' in project 'SwiftyModbus'
Target 'SwiftyModbus' in project 'SwiftyModbus'
➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
Target 'SwiftyModbusPromise-product' in project 'SwiftyModbus'
➜ Explicit dependency on target 'SwiftyModbusPromise' in project 'SwiftyModbus'
➜ Explicit dependency on target 'PromiseKit-product' in project 'PromiseKit'
Target 'SwiftyModbusPromise' in project 'SwiftyModbus'
➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
➜ Explicit dependency on target 'PromiseKit-product' in project 'PromiseKit'
Target 'PromiseKit-product' in project 'PromiseKit'
➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
Target 'PromiseKit' in project 'PromiseKit' (no dependencies)
Target 'CModbus' in project 'SwiftyModbus' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: e83c10b2fbb03e63c1460d3c6da43672
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/e83c10b2fbb03e63c1460d3c6da43672.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.DependencyStaticMetadataFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.modulemap (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.DependencyMetadataFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise-OutputFileMap.json (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise_const_extract_protocols.json (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise.LinkFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftConstValuesFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.modulemap (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.DependencyMetadataFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.DependencyStaticMetadataFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.SwiftConstValuesFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.LinkFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/SwiftyModbusPromise.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.modulemap (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbusPromise-t.build/SwiftyModbusPromise.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.DependencyStaticMetadataFileList (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.DependencyMetadataFileList (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.modulemap (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.modulemap
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/SwiftyModbus.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.modulemap (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/SwiftyModbus.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.SwiftFileList (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.SwiftConstValuesFileList (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.LinkFileList (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/PromiseKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.modulemap (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/PromiseKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver PromiseKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name PromiseKit -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftyModbus -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/module.modulemap -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
error: Clang dependency scanning failure: While building module 'CModbus' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
module-include.input:1:1: fatal error: could not build module 'CModbus'
(in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: error: Unable to resolve module dependency: 'CModbus' (in target 'SwiftyModbus' from project 'SwiftyModbus')
note: A dependency of main module 'SwiftyModbus'
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: Also imported here
error: Clang dependency scanning failure: While building module 'CModbus' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
module-include.input:1:1: fatal error: could not build module 'CModbus'
(in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: note: A dependency of main module 'SwiftyModbus'
import CModbus
^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: Also imported here
import CModbus
^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-19 05:34:12.110 xcodebuild[991:5228] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
Building workspace SwiftyModbus with scheme SwiftyModbus-Package
(2 failures)
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolved source packages:
SwiftyModbus: /Users/admin/builder/spi-builder-workspace
PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
resolved source packages: SwiftyModbus, PromiseKit
2026-09-19 05:34:15.719 xcodebuild[1044:5513] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "promisekit",
"requirement" : {
"range" : [
{
"lower_bound" : "6.15.2",
"upper_bound" : "7.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/mxcl/PromiseKit.git"
}
],
"manifest_display_name" : "SwiftyModbus",
"name" : "SwiftyModbus",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftyModbusPromise",
"targets" : [
"SwiftyModbusPromise"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "SwiftyModbus",
"targets" : [
"SwiftyModbus"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftyModbusTests",
"module_type" : "SwiftTarget",
"name" : "SwiftyModbusTests",
"path" : "Tests/SwiftyModbusTests",
"sources" : [
"SwiftModbusTests.swift"
],
"target_dependencies" : [
"SwiftyModbus"
],
"type" : "test"
},
{
"c99name" : "SwiftyModbusPromise",
"module_type" : "SwiftTarget",
"name" : "SwiftyModbusPromise",
"path" : "Sources/SwiftyModbusPromise",
"product_dependencies" : [
"PromiseKit"
],
"product_memberships" : [
"SwiftyModbusPromise"
],
"sources" : [
"SwiftyModbusPromise.swift"
],
"target_dependencies" : [
"CModbus"
],
"type" : "library"
},
{
"c99name" : "SwiftyModbus",
"module_type" : "SwiftTarget",
"name" : "SwiftyModbus",
"path" : "Sources/SwiftyModbus",
"product_memberships" : [
"SwiftyModbus"
],
"sources" : [
"SwiftyModbus.swift",
"SwiftyModbusResult.swift"
],
"target_dependencies" : [
"CModbus"
],
"type" : "library"
},
{
"c99name" : "CModbus",
"module_type" : "SystemLibraryTarget",
"name" : "CModbus",
"path" : "Sources/Libmodbus",
"product_memberships" : [
"SwiftyModbusPromise",
"SwiftyModbus"
],
"sources" : [
],
"type" : "system-target"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "SwiftyModbus",
"schemes" : [
"SwiftyModbus",
"SwiftyModbus-Package",
"SwiftyModbusPromise"
]
}
}
2026-09-19 05:34:17.036 xcodebuild[1059:5582] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftyModbus-Package -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftyModbus-Package -destination generic/platform=iOS
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
brew install libmodbus
Resolved source packages:
PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
SwiftyModbus: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
Target 'SwiftyModbus-product' in project 'SwiftyModbus'
➜ Explicit dependency on target 'SwiftyModbus' in project 'SwiftyModbus'
Target 'SwiftyModbus' in project 'SwiftyModbus'
➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
Target 'SwiftyModbusPromise-product' in project 'SwiftyModbus'
➜ Explicit dependency on target 'SwiftyModbusPromise' in project 'SwiftyModbus'
➜ Explicit dependency on target 'PromiseKit-product' in project 'PromiseKit'
Target 'SwiftyModbusPromise' in project 'SwiftyModbus'
➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
➜ Explicit dependency on target 'PromiseKit-product' in project 'PromiseKit'
Target 'PromiseKit-product' in project 'PromiseKit'
➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
Target 'PromiseKit' in project 'PromiseKit' (no dependencies)
Target 'CModbus' in project 'SwiftyModbus' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
SwiftDriver PromiseKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PromiseKit' from project 'PromiseKit')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name PromiseKit -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug-iphoneos/PromiseKit-t.build/Objects-normal/arm64/PromiseKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftyModbus -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/module.modulemap -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug-iphoneos/SwiftyModbus-t.build/Objects-normal/arm64/SwiftyModbus-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
error: Clang dependency scanning failure: While building module 'CModbus' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
module-include.input:1:1: fatal error: could not build module 'CModbus'
(in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: error: Unable to resolve module dependency: 'CModbus' (in target 'SwiftyModbus' from project 'SwiftyModbus')
note: A dependency of main module 'SwiftyModbus'
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: Also imported here
error: Clang dependency scanning failure: While building module 'CModbus' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
module-include.input:1:1: fatal error: could not build module 'CModbus'
(in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: note: A dependency of main module 'SwiftyModbus'
import CModbus
^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: Also imported here
import CModbus
^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-19 05:34:18.047 xcodebuild[1067:5614] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
Building workspace SwiftyModbus with scheme SwiftyModbus-Package
(2 failures)
BUILD FAILURE 6.4 iOS