Swift Package Index

Build Information

Failed to build nio-h2, reference 0.1.0 (504a69), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 19:21:03 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/moritzsternemann/nio-h2.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/moritzsternemann/nio-h2
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at 504a69e Initial commit
Cloned https://github.com/moritzsternemann/nio-h2.git
Revision (git rev-parse @):
504a69e2b76a6173ceba63f817551712dcd55ac2
SUCCESS checkout https://github.com/moritzsternemann/nio-h2.git at 0.1.0
Fetching https://github.com/apple/swift-nio-ssl-support.git
Fetching https://github.com/apple/swift-nio-zlib-support.git
Fetching https://github.com/apple/swift-nio-nghttp2-support.git
Fetching https://github.com/apple/swift-nio-http2
Fetching https://github.com/apple/swift-nio-ssl
Fetching https://github.com/apple/swift-nio
[1/10] Fetching swift-nio-nghttp2-support
[11/25] Fetching swift-nio-nghttp2-support, swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-nghttp2-support.git from cache (0.60s)
[1/16] Fetching swift-nio-ssl-support
[17/12118] Fetching swift-nio-ssl-support, swift-nio-http2
[381/27536] Fetching swift-nio-ssl-support, swift-nio-http2, swift-nio-ssl
[4652/110637] Fetching swift-nio-ssl-support, swift-nio-http2, swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio from cache (20.69s)
Fetched https://github.com/apple/swift-nio-http2 from cache (20.69s)
Fetched https://github.com/apple/swift-nio-ssl from cache (20.69s)
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (20.69s)
Fetched https://github.com/apple/swift-nio-ssl-support.git from cache (20.69s)
Computing version for https://github.com/apple/swift-nio-http2
Computed https://github.com/apple/swift-nio-http2 at 0.1.0 (23.24s)
Computing version for https://github.com/apple/swift-nio-ssl
Computed https://github.com/apple/swift-nio-ssl at 1.3.2 (0.69s)
Computing version for https://github.com/apple/swift-nio
Computed https://github.com/apple/swift-nio at 1.11.0 (0.73s)
Computing version for https://github.com/apple/swift-nio-nghttp2-support.git
Computed https://github.com/apple/swift-nio-nghttp2-support.git at 1.0.0 (0.69s)
Computing version for https://github.com/apple/swift-nio-ssl-support.git
Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (0.68s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (0.71s)
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-nio-nghttp2-support.git
Working copy of https://github.com/apple/swift-nio-nghttp2-support.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-nio-ssl
Working copy of https://github.com/apple/swift-nio-ssl resolved at 1.3.2
Creating working copy for https://github.com/apple/swift-nio
Working copy of https://github.com/apple/swift-nio resolved at 1.11.0
Creating working copy for https://github.com/apple/swift-nio-http2
Working copy of https://github.com/apple/swift-nio-http2 resolved at 0.1.0
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
========================================
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",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "nio-h2",
      "name": "nio-h2",
      "url": "https://github.com/moritzsternemann/nio-h2.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/nio-h2",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-nio",
          "name": "swift-nio",
          "url": "https://github.com/apple/swift-nio",
          "version": "1.14.4",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-nio-zlib-support",
              "name": "swift-nio-zlib-support",
              "url": "https://github.com/apple/swift-nio-zlib-support.git",
              "version": "1.0.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-zlib-support",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "swift-nio-ssl",
          "name": "swift-nio-ssl",
          "url": "https://github.com/apple/swift-nio-ssl",
          "version": "1.4.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-ssl",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-nio",
              "name": "swift-nio",
              "url": "https://github.com/apple/swift-nio",
              "version": "1.14.4",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
              "traits": [
                "default"
              ],
              "dependencies": [
                {
                  "identity": "swift-nio-zlib-support",
                  "name": "swift-nio-zlib-support",
                  "url": "https://github.com/apple/swift-nio-zlib-support.git",
                  "version": "1.0.0",
                  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-zlib-support",
                  "traits": [
                    "default"
                  ],
                  "dependencies": [
                  ]
                }
              ]
            },
            {
              "identity": "swift-nio-ssl-support",
              "name": "swift-nio-ssl-support",
              "url": "https://github.com/apple/swift-nio-ssl-support.git",
              "version": "1.0.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-ssl-support",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "swift-nio-http2",
          "name": "swift-nio-http2",
          "url": "https://github.com/apple/swift-nio-http2",
          "version": "0.1.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-http2",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-nio",
              "name": "swift-nio",
              "url": "https://github.com/apple/swift-nio",
              "version": "1.14.4",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
              "traits": [
                "default"
              ],
              "dependencies": [
                {
                  "identity": "swift-nio-zlib-support",
                  "name": "swift-nio-zlib-support",
                  "url": "https://github.com/apple/swift-nio-zlib-support.git",
                  "version": "1.0.0",
                  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-zlib-support",
                  "traits": [
                    "default"
                  ],
                  "dependencies": [
                  ]
                }
              ]
            },
            {
              "identity": "swift-nio-nghttp2-support",
              "name": "swift-nio-nghttp2-support",
              "url": "https://github.com/apple/swift-nio-nghttp2-support.git",
              "version": "1.0.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-nghttp2-support",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/moritzsternemann/nio-h2.git
[1/31] Fetching nio-h2
Fetched https://github.com/moritzsternemann/nio-h2.git from cache (0.66s)
Fetching https://github.com/apple/swift-nio-http2 from cache
Fetching https://github.com/apple/swift-nio-ssl from cache
Fetching https://github.com/apple/swift-nio from cache
Fetched https://github.com/apple/swift-nio from cache (0.80s)
Fetched https://github.com/apple/swift-nio-ssl from cache (0.80s)
Fetched https://github.com/apple/swift-nio-http2 from cache (0.80s)
Computing version for https://github.com/apple/swift-nio-http2
Computed https://github.com/apple/swift-nio-http2 at 0.1.0 (0.86s)
Fetching https://github.com/apple/swift-nio-nghttp2-support.git from cache
Fetched https://github.com/apple/swift-nio-nghttp2-support.git from cache (0.45s)
Computing version for https://github.com/apple/swift-nio-nghttp2-support.git
Computed https://github.com/apple/swift-nio-nghttp2-support.git at 1.0.0 (0.51s)
Computing version for https://github.com/apple/swift-nio-ssl
Computed https://github.com/apple/swift-nio-ssl at 1.4.0 (0.66s)
Fetching https://github.com/apple/swift-nio-ssl-support.git from cache
Fetched https://github.com/apple/swift-nio-ssl-support.git from cache (0.45s)
Computing version for https://github.com/apple/swift-nio-ssl-support.git
Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (0.51s)
Computing version for https://github.com/apple/swift-nio
Computed https://github.com/apple/swift-nio at 1.14.4 (0.03s)
Fetching https://github.com/apple/swift-nio-zlib-support.git from cache
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (0.45s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (0.50s)
Creating working copy for https://github.com/apple/swift-nio-ssl
Working copy of https://github.com/apple/swift-nio-ssl resolved at 1.4.0
Creating working copy for https://github.com/moritzsternemann/nio-h2.git
Working copy of https://github.com/moritzsternemann/nio-h2.git resolved at 0.1.0 (504a69e)
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-nio-nghttp2-support.git
Working copy of https://github.com/apple/swift-nio-nghttp2-support.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-nio
Working copy of https://github.com/apple/swift-nio resolved at 1.14.4
Creating working copy for https://github.com/apple/swift-nio-http2
Working copy of https://github.com/apple/swift-nio-http2 resolved at 0.1.0
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
warning: 'swift-nio-nghttp2-support': ignoring declared target(s) 'swift-nio-nghttp2-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
Found 3 product dependencies
  - swift-nio
  - swift-nio-ssl
  - swift-nio-http2
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/moritzsternemann/nio-h2.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/24] Write sources
[4/24] Write nio-h2-example-entitlement.plist
[5/24] Write sources
[10/24] Compiling CNIOLinux ifaddrs-android.c
[11/24] Compiling CNIONghttp2 empty.c
[12/24] Compiling CNIOZlib empty.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/shims.c:16:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10: fatal error: 'openssl/conf.h' file not found
   17 | #include <openssl/conf.h>
      |          ^~~~~~~~~~~~~~~~
1 error generated.
[13/24] Compiling CNIOOpenSSL shims.c
[13/24] Compiling c-atomics.c
[13/24] Compiling CNIOHTTPParser c_nio_http_parser.c
[13/24] Compiling CNIODarwin shim.c
[13/24] Compiling CNIOSHA1 c_nio_sha1.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/helpers.c:14:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10: fatal error: 'openssl/conf.h' file not found
   17 | #include <openssl/conf.h>
      |          ^~~~~~~~~~~~~~~~
[13/24] Compiling CNIOOpenSSL helpers.c
[13/24] Compiling CNIOLinux shim.c
[13/24] Write swift-version--6988338F2F200930.txt
warning: 'swift-nio-nghttp2-support': ignoring declared target(s) 'swift-nio-nghttp2-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: couldn't find pc file for zlib
warning: you may be able to install openssl using your system-packager:
    brew install libressl
warning: you may be able to install libnghttp2 using your system-packager:
    brew install nghttp2
warning: couldn't find pc file for zlib
warning: you may be able to install openssl using your system-packager:
    brew install libressl
warning: you may be able to install libnghttp2 using your system-packager:
    brew install nghttp2
BUILD FAILURE 6.3 macosSpm