The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Shout, reference 0.5.1 (04fc62), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 03:40:36 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Einstore/Shout.git
Reference: 0.5.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Einstore/Shout
 * tag               0.5.1      -> FETCH_HEAD
HEAD is now at 04fc627 Upload data and string
Cloned https://github.com/Einstore/Shout.git
Revision (git rev-parse @):
04fc627d6d320a5acaf1308d7a501040df7615a2
SUCCESS checkout https://github.com/Einstore/Shout.git at 0.5.1
Fetching https://github.com/IBM-Swift/BlueSocket
Fetching https://github.com/jakeheis/CSSH
[1/26] Fetching cssh
[26/2968] Fetching cssh, bluesocket
Fetched https://github.com/IBM-Swift/BlueSocket from cache (1.04s)
Fetched https://github.com/jakeheis/CSSH from cache (1.04s)
Computing version for https://github.com/jakeheis/CSSH
Computed https://github.com/jakeheis/CSSH at 1.0.3 (1.62s)
Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.46 (0.67s)
Creating working copy for https://github.com/IBM-Swift/BlueSocket
Working copy of https://github.com/IBM-Swift/BlueSocket resolved at 1.0.46
Creating working copy for https://github.com/jakeheis/CSSH
Working copy of https://github.com/jakeheis/CSSH resolved at 1.0.3
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "shout",
      "name": "Shout",
      "url": "https://github.com/Einstore/Shout.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Shout",
      "dependencies": [
        {
          "identity": "bluesocket",
          "name": "Socket",
          "url": "https://github.com/IBM-Swift/BlueSocket",
          "version": "1.0.200",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BlueSocket",
          "dependencies": [
          ]
        },
        {
          "identity": "cssh",
          "name": "CSSH",
          "url": "https://github.com/jakeheis/CSSH",
          "version": "1.0.3",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CSSH",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Einstore/Shout.git
[1/412] Fetching shout
Fetched https://github.com/Einstore/Shout.git from cache (0.69s)
Fetching https://github.com/jakeheis/CSSH from cache
Fetching https://github.com/IBM-Swift/BlueSocket from cache
Fetched https://github.com/jakeheis/CSSH from cache (0.51s)
Fetched https://github.com/IBM-Swift/BlueSocket from cache (0.51s)
Computing version for https://github.com/jakeheis/CSSH
Computed https://github.com/jakeheis/CSSH at 1.0.3 (0.56s)
Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.200 (0.56s)
Creating working copy for https://github.com/IBM-Swift/BlueSocket
Working copy of https://github.com/IBM-Swift/BlueSocket resolved at 1.0.200
Creating working copy for https://github.com/Einstore/Shout.git
Working copy of https://github.com/Einstore/Shout.git resolved at 0.5.1 (04fc627)
Creating working copy for https://github.com/jakeheis/CSSH
Working copy of https://github.com/jakeheis/CSSH resolved at 1.0.3
warning: 'cssh': ignoring declared target(s) 'CSSH' in the system package
warning: '.resolve-product-dependencies': dependency 'shout' is not used by any target
Found 2 product dependencies
  - Socket
  - CSSH
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Einstore/Shout.git
https://github.com/Einstore/Shout.git
{
  "dependencies" : [
    {
      "identity" : "bluesocket",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.46",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/IBM-Swift/BlueSocket"
    },
    {
      "identity" : "cssh",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.3",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/CSSH"
    }
  ],
  "manifest_display_name" : "Shout",
  "name" : "Shout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Shout",
      "targets" : [
        "Shout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ShoutTests",
      "module_type" : "SwiftTarget",
      "name" : "ShoutTests",
      "path" : "Tests/ShoutTests",
      "sources" : [
        "SFTPTests.swift",
        "SSHTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Shout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Shout",
      "module_type" : "SwiftTarget",
      "name" : "Shout",
      "path" : "Sources/Shout",
      "product_dependencies" : [
        "Socket"
      ],
      "product_memberships" : [
        "Shout"
      ],
      "sources" : [
        "Agent.swift",
        "Channel.swift",
        "FilePermissions.swift",
        "ReadWrite.swift",
        "SFTP.swift",
        "SSH.swift",
        "SSHAuthMethod.swift",
        "SSHError.swift",
        "Session.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/7] Compiling Socket SocketUtils.swift
[5/7] Compiling Socket SocketProtocols.swift
[6/7] Emitting module Socket
[7/7] Compiling Socket Socket.swift
[8/17] Compiling Shout SSHError.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[9/17] Compiling Shout Channel.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[10/17] Compiling Shout Session.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/17] Compiling Shout SSH.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[12/17] Emitting module Shout
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[13/17] Compiling Shout SSHAuthMethod.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[14/17] Compiling Shout Agent.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[15/17] Compiling Shout ReadWrite.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[16/17] Compiling Shout FilePermissions.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[17/17] Compiling Shout SFTP.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
warning: 'cssh': ignoring declared target(s) 'CSSH' in the system package
warning: 'spi-builder-workspace': dependency 'cssh' is not used by any target
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install libssh2 using your system-packager:
    brew install libssh2
warning: you may be able to install libssh2 using your system-packager:
    brew install libssh2
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/5] Compiling Socket SocketUtils.swift
[3/5] Compiling Socket Socket.swift
[4/5] Emitting module Socket
[5/5] Compiling Socket SocketProtocols.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/15] Emitting module Shout
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[7/15] Compiling Shout SSHError.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[8/15] Compiling Shout FilePermissions.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[9/15] Compiling Shout SSHAuthMethod.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[10/15] Compiling Shout Channel.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[11/15] Compiling Shout SSH.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[12/15] Compiling Shout SFTP.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[13/15] Compiling Shout Agent.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[14/15] Compiling Shout ReadWrite.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[15/15] Compiling Shout Session.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
warning: 'cssh': ignoring declared target(s) 'CSSH' in the system package
warning: 'spi-builder-workspace': dependency 'cssh' is not used by any target
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install libssh2 using your system-packager:
    brew install libssh2
warning: you may be able to install libssh2 using your system-packager:
    brew install libssh2
BUILD FAILURE 6.1 macosSpm