Build Information
Failed to build swift-cairo, reference v1.3.4 (965445), with Swift 6.3 for macOS (SPM) on 14 Apr 2026 04:26:35 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fwcd/swift-cairo.git
Reference: v1.3.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fwcd/swift-cairo
* tag v1.3.4 -> FETCH_HEAD
HEAD is now at 9654454 Merge pull request #2 from fwcd/pkg-config-ci
Cloned https://github.com/fwcd/swift-cairo.git
Revision (git rev-parse @):
9654454540ed412249259f310aa8b658b4359bc2
SUCCESS checkout https://github.com/fwcd/swift-cairo.git at v1.3.4
========================================
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": "swift-cairo",
"name": "swift-cairo",
"url": "https://github.com/fwcd/swift-cairo.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-cairo",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/fwcd/swift-cairo.git
[1/3621] Fetching swift-cairo
Fetched https://github.com/fwcd/swift-cairo.git from cache (1.72s)
Creating working copy for https://github.com/fwcd/swift-cairo.git
Working copy of https://github.com/fwcd/swift-cairo.git resolved at v1.3.4 (9654454)
warning: '.resolve-product-dependencies': dependency 'swift-cairo' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/fwcd/swift-cairo.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--6988338F2F200930.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/17] Compiling Cairo SurfacePDF.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[4/17] Compiling Cairo SurfacePNG.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[5/17] Compiling Cairo SurfaceSVG.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[6/17] Emitting module Cairo
<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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[7/17] Compiling Cairo SurfaceImage.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[8/17] Compiling Cairo Status.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[9/17] Compiling Cairo Surface.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[10/17] Compiling Cairo Pattern.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[11/17] Compiling Cairo QuickLook.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[12/17] Compiling Cairo Matrix.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[13/17] Compiling Cairo Path.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[14/17] Compiling Cairo Font.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[15/17] Compiling Cairo ImageFormat.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[16/17] Compiling Cairo Content.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[17/17] Compiling Cairo Context.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
[18/18] Compiling Cairo SurfaceType.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/Sources/SCCCairo/shim.h:1:10: error: 'cairo.h' file not found
1 | #include <cairo.h>
| `- error: 'cairo.h' file not found
2 | #include <cairo-pdf.h>
3 | #include <cairo-svg.h>
/Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15: error: could not build Objective-C module 'SCCCairo'
7 | //
8 |
9 | import struct SCCCairo.cairo_content_t
| `- error: could not build Objective-C module 'SCCCairo'
10 |
11 | /// Used to describe the content that a surface will contain, whether color information,
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install cairo using your system-packager:
brew install cairo
warning: you may be able to install fontconfig using your system-packager:
brew install fontconfig
warning: you may be able to install freetype2 using your system-packager:
brew install freetype2
warning: you may be able to install cairo using your system-packager:
brew install cairo
warning: you may be able to install fontconfig using your system-packager:
brew install fontconfig
warning: you may be able to install freetype2 using your system-packager:
brew install freetype2
BUILD FAILURE 6.3 macosSpm