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Build Information

Failed to build K1, reference main (ab8065), with Swift 6.3 for tvOS using Xcode 26.4 on 18 Apr 2026 09:16:51 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme update-libsecp -destination generic/platform=tvOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Sajjon/K1.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Sajjon/K1
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ab80658 Migrate to 6.2.1 (#52)
Submodule path 'Sources/secp256k1/libsecp256k1': checked out '1a53f4961f337b4d166c25fce72ef0dc88806618'
Submodule 'Sources/secp256k1/libsecp256k1' (https://github.com/bitcoin-core/secp256k1.git) registered for path 'Sources/secp256k1/libsecp256k1'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/secp256k1/libsecp256k1'...
Cloned https://github.com/Sajjon/K1.git
Revision (git rev-parse @):
ab80658b14719d51b1b07ca631adf095e1b24e00
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Sajjon/K1.git at main
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Sajjon/K1.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/swiftlang/swift-subprocess
Fetching from https://github.com/apple/swift-system
Creating working copy of package ‘swift-system’
Creating working copy of package ‘swift-subprocess’
Checking out 1.6.4 of package ‘swift-system’
Checking out 0.3.0 of package ‘swift-subprocess’
Resolved source packages:
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.3.0
  UpdateLibsecp: /Users/admin/builder/spi-builder-workspace/scripts/update-libsecp
resolved source packages: swift-system, Subprocess, UpdateLibsecp
{
  "dependencies" : [
  ],
  "manifest_display_name" : "K1",
  "name" : "K1",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "K1",
      "targets" : [
        "K1"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "secp256k1",
      "module_type" : "ClangTarget",
      "name" : "secp256k1",
      "path" : "Sources/secp256k1",
      "product_memberships" : [
        "K1"
      ],
      "sources" : [
        "libsecp256k1/contrib/lax_der_parsing.c",
        "libsecp256k1/contrib/lax_der_privatekey_parsing.c",
        "libsecp256k1/src/precomputed_ecmult.c",
        "libsecp256k1/src/precomputed_ecmult_gen.c",
        "libsecp256k1/src/secp256k1.c",
        "src/ecdh_variants.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "K1Tests",
      "module_type" : "SwiftTarget",
      "name" : "K1Tests",
      "path" : "Tests/K1Tests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/bip340_schnorr_sign.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/bip340_schnorr_verify.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/cyon_ecdh_two_variants_with_kdf.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/trezor_ecdsa_sign_rfc6979.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/warta_cyon_publickey_recovery.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/wycheproof_ecdh_ASN1x963.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/wycheproof_ecdsa_verify_der.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/wycheproof_ecdsa_verify_p1363.json",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "TestCases/APITest.swift",
        "TestCases/ECDH/ECDHTests.swift",
        "TestCases/ECDH/ECDHWycheproofTests.swift",
        "TestCases/ECDH/TwoVariantsOfECDHWithKDFTests.swift",
        "TestCases/ECDSA/ECDSARecoverableSignatureRoundtripTests.swift",
        "TestCases/ECDSA/ECDSASignatureTests.swift",
        "TestCases/ECDSA/ECDSASignatureTrezorTests.swift",
        "TestCases/ECDSA/ECDSAWycheproofASNDEREncodedSignaturesTests.swift",
        "TestCases/ECDSA/ECDSAWycheproofIEEEP1364RSEncodedSignaturesTests.swift",
        "TestCases/Keys/PrivateKey/PrivateKeyEncodingTests.swift",
        "TestCases/Keys/PrivateKey/PrivateKeyGenerationTests.swift",
        "TestCases/Keys/PrivateKey/PrivateKeyImportTests.swift",
        "TestCases/Keys/PublicKey/PublicKeyEncodingTests.generated.swift",
        "TestCases/Keys/PublicKey/PublicKeyGroupOperationsTests.swift",
        "TestCases/Keys/PublicKey/PublicKeyImportTests.swift",
        "TestCases/Performance/PerformanceTests.swift",
        "TestCases/PublicKeyRecovery/ECDASignaturePublicKeyRecoveryTests.swift",
        "TestCases/Schnorr/SchnorrSignatureBitcoinCoreTests.swift",
        "TestCases/Schnorr/SchnorrSignatureTests.swift",
        "TestCases/SecureBytes/SecureBytesTests.swift",
        "Util/ECSignature.swift",
        "Util/Wycheproof.swift",
        "Util/XCTestUtils.swift"
      ],
      "target_dependencies" : [
        "K1"
      ],
      "type" : "test"
    },
    {
      "c99name" : "K1",
      "module_type" : "SwiftTarget",
      "name" : "K1",
      "path" : "Sources/K1",
      "product_memberships" : [
        "K1"
      ],
      "sources" : [
        "K1.swift",
        "K1/ECDH/KeyAgreement.swift",
        "K1/ECDSA/ECDSA.swift",
        "K1/ECDSA/ECDSASignatureNonRecoverable.swift",
        "K1/ECDSA/ECDSASignatureRecoverable.swift",
        "K1/ECDSA/RecoveryID.swift",
        "K1/Keys/Keys.generated.swift",
        "K1/Keys/PrivateKeyImplementation.swift",
        "K1/Keys/PublicKeyImplementation.swift",
        "K1/Schnorr/Schnorr+Signature.swift",
        "K1/Schnorr/Schnorr.swift",
        "K1/Signing/Signing.generated.swift",
        "K1/Validation/Validation.generated.swift",
        "Support/Extensions/Data+Extensions.swift",
        "Support/FFI/API/ECDH/FFI+ECDH.swift",
        "Support/FFI/API/ECDSA/FFI+ECDSA.swift",
        "Support/FFI/API/ECDSA/NonRecovery/ECDSA+NonRecovery+Wrapped.swift",
        "Support/FFI/API/ECDSA/NonRecovery/FFI+ECDSA+NonRecovery.swift",
        "Support/FFI/API/ECDSA/Recovery/ECDSA+Recovery+Wrapped.swift",
        "Support/FFI/API/ECDSA/Recovery/FFI+ECDSA+Recovery.swift",
        "Support/FFI/API/Keys/PrivateKey/PrivateKey+Wrapped.swift",
        "Support/FFI/API/Keys/PublicKey/FFI+PublicKey.swift",
        "Support/FFI/API/Keys/PublicKey/PublicKey+Wrapped.swift",
        "Support/FFI/API/Schnorr/FFI+Schnorr.swift",
        "Support/FFI/API/Schnorr/Schnorr+Wrapped.swift",
        "Support/FFI/Internals/FFI+Call.swift",
        "Support/FFI/Internals/FFI+Context.swift",
        "Support/FFI/Internals/FFI+Format.swift",
        "Support/FFI/Internals/FFI+Raw.swift",
        "Support/Misc/Curve.swift",
        "Support/Misc/K1+Error.swift",
        "Support/Misc/SharedSecret.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/ASN1.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Any.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1BitString.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Boolean.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Identifier.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Integer.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Null.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1OctetString.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Strings.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ArraySliceBigint.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/GeneralizedTime.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ObjectIdentifier.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/ECDSASignature.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/PEMDocument.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/PKCS8PrivateKey.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/SEC1PrivateKey.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/SubjectPublicKeyInfo.swift",
        "Support/ThirdyParty/swift-crypto/ASN1Error.swift",
        "Support/ThirdyParty/swift-crypto/BytesUtil.swift",
        "Support/ThirdyParty/swift-crypto/RNG_boring.swift",
        "Support/ThirdyParty/swift-crypto/SafeCompare_boring.swift",
        "Support/ThirdyParty/swift-crypto/SecureBytes.swift"
      ],
      "target_dependencies" : [
        "secp256k1"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2.1"
}
{
  "workspace" : {
    "name" : "K1",
    "schemes" : [
      "update-libsecp"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme update-libsecp -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 update-libsecp -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  UpdateLibsecp: /Users/admin/builder/spi-builder-workspace/scripts/update-libsecp
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'update-libsecp' in project 'UpdateLibsecp'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target '_SubprocessCShims' in project 'Subprocess' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: bcdc6502460048388082ecb32a071449
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/bcdc6502460048388082ecb32a071449.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 26.4 for the tvOS platform, but this target supports 12.0 (in target 'update-libsecp' from project 'UpdateLibsecp')
2026-04-18 05:16:46.935 xcodebuild[684:4070] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace K1 with scheme update-libsecp
(1 failure)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  UpdateLibsecp: /Users/admin/builder/spi-builder-workspace/scripts/update-libsecp
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.3.0
  swift-system: https://github.com/apple/swift-system @ 1.6.4
resolved source packages: UpdateLibsecp, Subprocess, swift-system
{
  "dependencies" : [
  ],
  "manifest_display_name" : "K1",
  "name" : "K1",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
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      "targets" : [
        "K1"
      ],
      "type" : {
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          "automatic"
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      }
    }
  ],
  "targets" : [
    {
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      "module_type" : "ClangTarget",
      "name" : "secp256k1",
      "path" : "Sources/secp256k1",
      "product_memberships" : [
        "K1"
      ],
      "sources" : [
        "libsecp256k1/contrib/lax_der_parsing.c",
        "libsecp256k1/contrib/lax_der_privatekey_parsing.c",
        "libsecp256k1/src/precomputed_ecmult.c",
        "libsecp256k1/src/precomputed_ecmult_gen.c",
        "libsecp256k1/src/secp256k1.c",
        "src/ecdh_variants.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "K1Tests",
      "module_type" : "SwiftTarget",
      "name" : "K1Tests",
      "path" : "Tests/K1Tests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/bip340_schnorr_sign.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/bip340_schnorr_verify.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/cyon_ecdh_two_variants_with_kdf.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/trezor_ecdsa_sign_rfc6979.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/warta_cyon_publickey_recovery.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/wycheproof_ecdh_ASN1x963.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/wycheproof_ecdsa_verify_der.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/K1Tests/TestVectors/wycheproof_ecdsa_verify_p1363.json",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "TestCases/APITest.swift",
        "TestCases/ECDH/ECDHTests.swift",
        "TestCases/ECDH/ECDHWycheproofTests.swift",
        "TestCases/ECDH/TwoVariantsOfECDHWithKDFTests.swift",
        "TestCases/ECDSA/ECDSARecoverableSignatureRoundtripTests.swift",
        "TestCases/ECDSA/ECDSASignatureTests.swift",
        "TestCases/ECDSA/ECDSASignatureTrezorTests.swift",
        "TestCases/ECDSA/ECDSAWycheproofASNDEREncodedSignaturesTests.swift",
        "TestCases/ECDSA/ECDSAWycheproofIEEEP1364RSEncodedSignaturesTests.swift",
        "TestCases/Keys/PrivateKey/PrivateKeyEncodingTests.swift",
        "TestCases/Keys/PrivateKey/PrivateKeyGenerationTests.swift",
        "TestCases/Keys/PrivateKey/PrivateKeyImportTests.swift",
        "TestCases/Keys/PublicKey/PublicKeyEncodingTests.generated.swift",
        "TestCases/Keys/PublicKey/PublicKeyGroupOperationsTests.swift",
        "TestCases/Keys/PublicKey/PublicKeyImportTests.swift",
        "TestCases/Performance/PerformanceTests.swift",
        "TestCases/PublicKeyRecovery/ECDASignaturePublicKeyRecoveryTests.swift",
        "TestCases/Schnorr/SchnorrSignatureBitcoinCoreTests.swift",
        "TestCases/Schnorr/SchnorrSignatureTests.swift",
        "TestCases/SecureBytes/SecureBytesTests.swift",
        "Util/ECSignature.swift",
        "Util/Wycheproof.swift",
        "Util/XCTestUtils.swift"
      ],
      "target_dependencies" : [
        "K1"
      ],
      "type" : "test"
    },
    {
      "c99name" : "K1",
      "module_type" : "SwiftTarget",
      "name" : "K1",
      "path" : "Sources/K1",
      "product_memberships" : [
        "K1"
      ],
      "sources" : [
        "K1.swift",
        "K1/ECDH/KeyAgreement.swift",
        "K1/ECDSA/ECDSA.swift",
        "K1/ECDSA/ECDSASignatureNonRecoverable.swift",
        "K1/ECDSA/ECDSASignatureRecoverable.swift",
        "K1/ECDSA/RecoveryID.swift",
        "K1/Keys/Keys.generated.swift",
        "K1/Keys/PrivateKeyImplementation.swift",
        "K1/Keys/PublicKeyImplementation.swift",
        "K1/Schnorr/Schnorr+Signature.swift",
        "K1/Schnorr/Schnorr.swift",
        "K1/Signing/Signing.generated.swift",
        "K1/Validation/Validation.generated.swift",
        "Support/Extensions/Data+Extensions.swift",
        "Support/FFI/API/ECDH/FFI+ECDH.swift",
        "Support/FFI/API/ECDSA/FFI+ECDSA.swift",
        "Support/FFI/API/ECDSA/NonRecovery/ECDSA+NonRecovery+Wrapped.swift",
        "Support/FFI/API/ECDSA/NonRecovery/FFI+ECDSA+NonRecovery.swift",
        "Support/FFI/API/ECDSA/Recovery/ECDSA+Recovery+Wrapped.swift",
        "Support/FFI/API/ECDSA/Recovery/FFI+ECDSA+Recovery.swift",
        "Support/FFI/API/Keys/PrivateKey/PrivateKey+Wrapped.swift",
        "Support/FFI/API/Keys/PublicKey/FFI+PublicKey.swift",
        "Support/FFI/API/Keys/PublicKey/PublicKey+Wrapped.swift",
        "Support/FFI/API/Schnorr/FFI+Schnorr.swift",
        "Support/FFI/API/Schnorr/Schnorr+Wrapped.swift",
        "Support/FFI/Internals/FFI+Call.swift",
        "Support/FFI/Internals/FFI+Context.swift",
        "Support/FFI/Internals/FFI+Format.swift",
        "Support/FFI/Internals/FFI+Raw.swift",
        "Support/Misc/Curve.swift",
        "Support/Misc/K1+Error.swift",
        "Support/Misc/SharedSecret.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/ASN1.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Any.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1BitString.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Boolean.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Identifier.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Integer.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Null.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1OctetString.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ASN1Strings.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ArraySliceBigint.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/GeneralizedTime.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/Basic ASN1 Types/ObjectIdentifier.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/ECDSASignature.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/PEMDocument.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/PKCS8PrivateKey.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/SEC1PrivateKey.swift",
        "Support/ThirdyParty/swift-crypto/ASN1/SubjectPublicKeyInfo.swift",
        "Support/ThirdyParty/swift-crypto/ASN1Error.swift",
        "Support/ThirdyParty/swift-crypto/BytesUtil.swift",
        "Support/ThirdyParty/swift-crypto/RNG_boring.swift",
        "Support/ThirdyParty/swift-crypto/SafeCompare_boring.swift",
        "Support/ThirdyParty/swift-crypto/SecureBytes.swift"
      ],
      "target_dependencies" : [
        "secp256k1"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2.1"
}
{
  "workspace" : {
    "name" : "K1",
    "schemes" : [
      "update-libsecp"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme update-libsecp -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 update-libsecp -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  UpdateLibsecp: /Users/admin/builder/spi-builder-workspace/scripts/update-libsecp
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.3.0
  swift-system: https://github.com/apple/swift-system @ 1.6.4
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'update-libsecp' in project 'UpdateLibsecp'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target '_SubprocessCShims' in project 'Subprocess' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: bcdc6502460048388082ecb32a071449
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/bcdc6502460048388082ecb32a071449.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 26.4 for the tvOS platform, but this target supports 12.0 (in target 'update-libsecp' from project 'UpdateLibsecp')
2026-04-18 05:16:51.306 xcodebuild[747:4420] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace K1 with scheme update-libsecp
(1 failure)
BUILD FAILURE 6.3 tvOS