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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 SDL with Swift 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.27.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/pureswift/sdl.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/pureswift/sdl
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e317e88 Updated headers location for macOS
Cloned https://github.com/pureswift/sdl.git
Revision (git rev-parse @):
e317e8882cc03709aaddd17770e1fab5522ea256
SUCCESS checkout https://github.com/pureswift/sdl.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "sdl",
      "name": "SDL",
      "url": "https://github.com/pureswift/sdl.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/sdl",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/pureswift/sdl.git
[1/455] Fetching sdl
Fetched https://github.com/pureswift/sdl.git (0.29s)
Creating working copy for https://github.com/pureswift/sdl.git
Working copy of https://github.com/pureswift/sdl.git resolved at master
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64
Building for debugging...
[1/16] Compiling SDL Texture.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[2/16] Compiling SDL VideoDisplay.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/17] Emitting module SDL
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[4/17] Compiling SDL PixelFormat.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[5/17] Compiling SDL Renderer.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[6/17] Compiling SDL DisplayMode.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[7/17] Compiling SDL Error.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[8/17] Compiling SDL Color.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[9/17] Compiling SDL CountableSet.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[10/17] Compiling SDL Event.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[11/17] Compiling SDL Palette.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[12/17] Compiling SDL BitMaskOption.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[13/17] Compiling SDL BlendMode.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[14/17] Compiling SDL SDL.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[15/17] Compiling SDL Surface.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[16/17] Compiling SDL Window.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
error: fatalError
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install sdl2 using your system-packager:
    brew install sdl2
[0/1] Planning build
Building for debugging...
[1/16] Compiling SDL Color.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[2/16] Compiling SDL CountableSet.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/17] Emitting module SDL
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[4/17] Compiling SDL Event.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[5/17] Compiling SDL Palette.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[6/17] Compiling SDL Texture.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[7/17] Compiling SDL VideoDisplay.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[8/17] Compiling SDL PixelFormat.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[9/17] Compiling SDL Renderer.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[10/17] Compiling SDL SDL.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[11/17] Compiling SDL Surface.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[12/17] Compiling SDL BitMaskOption.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[13/17] Compiling SDL BlendMode.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[14/17] Compiling SDL DisplayMode.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[15/17] Compiling SDL Error.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
[16/17] Compiling SDL Window.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "shim.h"
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CSDL2/shim.h:2:10: error: '/opt/homebrew/include/SDL2/SDL.h' file not found
#include "/opt/homebrew/include/SDL2/SDL.h"
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SDL/BlendMode.swift:8:8: error: could not build Objective-C module 'CSDL2'
import CSDL2
       ^
error: fatalError
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install sdl2 using your system-packager:
    brew install sdl2
BUILD FAILURE 5.9 macosSpm