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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 EinstoreCore with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/einstore/einstorecore.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/einstore/einstorecore
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 7cec236 bump up versions
Cloned https://github.com/einstore/einstorecore.git
Revision (git rev-parse @):
7cec236c841abd69ab64e391d3268d79abb26d0f
SUCCESS checkout https://github.com/einstore/einstorecore.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/einstore/einstorecore.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/82] Write sources
[57/82] Write EinstoreRun-entitlement.plist
[58/82] Write sources
[60/82] Compiling CNIOLinux ifaddrs-android.c
[61/82] Compiling CNIOZlib empty.c
[62/82] Compiling CNIOLinux shim.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.
[63/82] Compiling CNIOOpenSSL shims.c
[63/82] Compiling c-atomics.c
[63/82] Compiling CCryptoOpenSSL shim.c
[63/82] Compiling CBcrypt blf.c
[63/82] Compiling CNIOHTTPParser c_nio_http_parser.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>
      |          ^~~~~~~~~~~~~~~~
[63/82] Compiling CNIOOpenSSL helpers.c
[63/82] Compiling CNIOSHA1 c_nio_sha1.c
[63/82] Compiling Czlib test.c
[63/82] Compiling CNIODarwin shim.c
[63/82] Write swift-version-6F35C1178C84523A.txt
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Working copy of https://github.com/vapor/multipart.git resolved at 3.1.3
Creating working copy for https://github.com/vapor/postgresql.git
Working copy of https://github.com/vapor/postgresql.git resolved at 1.7.0
Creating working copy for https://github.com/LiveUI/FluentTestTools.git
Working copy of https://github.com/LiveUI/FluentTestTools.git resolved at 0.1.0
Creating working copy for https://github.com/IBM-Swift/BlueCryptor.git
Working copy of https://github.com/IBM-Swift/BlueCryptor.git resolved at 1.0.200
warning: 'cgd': ignoring declared target(s) 'Cgd' 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: 'bluesslservice': 'bluesslservice' dependency on 'https://github.com/Kitura/BlueSocket.git' conflicts with dependency on 'https://github.com/IBM-Swift/BlueSocket.git' which has the same identity 'bluesocket'. this will be escalated to an error in future versions of SwiftPM.
warning: 'spi-builder-workspace': dependency 'swift-nio-zlib-support' is not used by any target
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: couldn't find pc file for gdlib
BUILD FAILURE 6.0 macosSpm
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