Swift Package IndexBuild Information
Successful build of WebP, reference main (db429e), with Swift 6.3 for macOS (SPM) on 1 Oct 2026 03:32:19 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ainame/Swift-WebP.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ainame/Swift-WebP
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at db429e9 docs: simplify README feature list
Cloned https://github.com/ainame/Swift-WebP.git
Revision (git rev-parse @):
db429e964074fea3c9615db732697db2dee56dbd
SUCCESS checkout https://github.com/ainame/Swift-WebP.git at main
Fetching https://github.com/SDWebImage/libwebp-Xcode.git
[1/287] Fetching libwebp-xcode
Fetched https://github.com/SDWebImage/libwebp-Xcode.git from cache (0.82s)
Computing version for https://github.com/SDWebImage/libwebp-Xcode.git
Computed https://github.com/SDWebImage/libwebp-Xcode.git at 1.6.0 (3.79s)
Creating working copy for https://github.com/SDWebImage/libwebp-Xcode.git
Working copy of https://github.com/SDWebImage/libwebp-Xcode.git resolved at 1.6.0
========================================
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": "swift-webp",
"name": "WebP",
"url": "https://github.com/ainame/Swift-WebP.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Swift-WebP",
"traits": [
"default"
],
"dependencies": [
{
"identity": "libwebp-xcode",
"name": "libwebp",
"url": "https://github.com/SDWebImage/libwebp-Xcode.git",
"version": "1.6.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/libwebp-Xcode",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/ainame/Swift-WebP.git
[1/2288] Fetching swift-webp
Fetched https://github.com/ainame/Swift-WebP.git from cache (1.23s)
Fetching https://github.com/SDWebImage/libwebp-Xcode.git from cache
Fetched https://github.com/SDWebImage/libwebp-Xcode.git from cache (0.47s)
Computing version for https://github.com/SDWebImage/libwebp-Xcode.git
Computed https://github.com/SDWebImage/libwebp-Xcode.git at 1.6.0 (0.52s)
Creating working copy for https://github.com/SDWebImage/libwebp-Xcode.git
Working copy of https://github.com/SDWebImage/libwebp-Xcode.git resolved at 1.6.0
Creating working copy for https://github.com/ainame/Swift-WebP.git
Working copy of https://github.com/ainame/Swift-WebP.git resolved at main (db429e9)
warning: '.resolve-product-dependencies': dependency 'swift-webp' is not used by any target
Found 1 product dependencies
- libwebp
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/ainame/Swift-WebP.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64
Building for debugging...
[0/127] Write swift-version-69A768CDF2A0BEE1.txt
[1/127] Compiling random_utils.c
[2/127] Compiling lossless_avx2.c
[3/127] Compiling rescaler_utils.c
[4/127] Compiling thread_utils.c
[5/127] Compiling lossless_enc.c
[6/127] Compiling utils.c
[7/127] Compiling quant_levels_utils.c
[8/127] Compiling quant_levels_dec_utils.c
[9/127] Compiling huffman_utils.c
[10/127] Compiling filters_msa.c
[11/127] Compiling palette.c
[12/127] Compiling huffman_encode_utils.c
[13/127] Compiling filters_utils.c
[14/127] Compiling lossless.c
[15/127] Compiling color_cache_utils.c
[16/127] Compiling bit_writer_utils.c
[17/127] Compiling filters_sse2.c
[18/127] Compiling bit_reader_utils.c
[19/127] Compiling muxinternal.c
[19/127] Compiling muxread.c
[21/127] Compiling webp_enc.c
[22/127] Compiling muxedit.c
[23/127] Compiling tree_enc.c
[23/127] Compiling anim_encode.c
[25/127] Compiling token_enc.c
[26/127] Compiling syntax_enc.c
[27/127] Compiling vp8l_enc.c
[28/127] Compiling picture_rescale_enc.c
[29/127] Compiling picture_tools_enc.c
[30/127] Compiling picture_psnr_enc.c
[31/127] Compiling predictor_enc.c
[32/127] Compiling filters_neon.c
[32/127] Compiling picture_enc.c
[34/127] Compiling near_lossless_enc.c
[35/127] Compiling iterator_enc.c
[36/127] Compiling picture_csp_enc.c
[37/127] Compiling quant_enc.c
[38/127] Compiling config_enc.c
[39/127] Compiling filter_enc.c
[40/127] Compiling frame_enc.c
[41/127] Compiling cost_enc.c
[42/127] Compiling histogram_enc.c
[43/127] Compiling backward_references_cost_enc.c
[44/127] Compiling yuv_sse41.c
[45/127] Compiling backward_references_enc.c
[46/127] Compiling analysis_enc.c
[47/127] Compiling alpha_enc.c
[48/127] Compiling yuv_sse2.c
[49/127] Compiling yuv_mips32.c
[50/127] Compiling yuv_mips_dsp_r2.c
[51/127] Compiling upsampling_sse41.c
[51/127] Compiling yuv.c
[53/127] Compiling yuv_neon.c
[54/127] Compiling upsampling_sse2.c
[55/127] Compiling upsampling_mips_dsp_r2.c
[56/127] Compiling upsampling_msa.c
[57/127] Compiling ssim_sse2.c
[58/127] Compiling upsampling.c
[59/127] Compiling ssim.c
[60/127] Compiling rescaler_sse2.c
[61/127] Compiling rescaler_msa.c
[62/127] Compiling rescaler_mips_dsp_r2.c
[63/127] Compiling rescaler_mips32.c
[64/127] Compiling rescaler_neon.c
[65/127] Compiling rescaler.c
[66/127] Compiling lossless_sse41.c
[67/127] Compiling lossless_sse2.c
[68/127] Compiling lossless_msa.c
[69/127] Compiling upsampling_neon.c
[70/127] Compiling lossless_mips_dsp_r2.c
[71/127] Compiling lossless_enc_sse41.c
[72/127] Compiling lossless_enc_sse2.c
[73/127] Compiling lossless_enc_msa.c
[74/127] Compiling lossless_enc_mips_dsp_r2.c
[75/127] Compiling lossless_neon.c
[76/127] Compiling lossless_enc_neon.c
[77/127] Compiling lossless_enc_mips32.c
[78/127] Compiling lossless_enc_avx2.c
[79/127] Compiling filters_mips_dsp_r2.c
[80/127] Compiling filters.c
[81/127] Compiling enc_sse41.c
[81/127] Compiling enc_sse2.c
[83/127] Compiling enc_msa.c
[84/127] Compiling enc_mips32.c
[85/127] Compiling enc_mips_dsp_r2.c
[86/127] Compiling enc.c
[87/127] Compiling dec_sse41.c
[88/127] Compiling dec_sse2.c
[89/127] Compiling dec_msa.c
[89/127] Compiling dec_mips_dsp_r2.c
[91/127] Compiling dec_mips32.c
[92/127] Compiling dec_clip_tables.c
[93/127] Compiling enc_neon.c
[93/127] Compiling cpu.c
[95/127] Compiling cost_sse2.c
[96/127] Compiling dec.c
[97/127] Compiling cost_neon.c
[98/127] Compiling cost_mips_dsp_r2.c
[98/127] Compiling cost_mips32.c
[100/127] Compiling alpha_processing_sse41.c
[101/127] Compiling cost.c
[102/127] Compiling alpha_processing_sse2.c
[103/127] Compiling dec_neon.c
[104/127] Compiling alpha_processing_mips_dsp_r2.c
[105/127] Compiling alpha_processing_neon.c
[106/127] Compiling alpha_processing.c
[107/127] Compiling anim_decode.c
[108/127] Compiling demux.c
[109/127] Compiling webp_dec.c
[110/127] Compiling vp8_dec.c
[111/127] Compiling tree_dec.c
[112/127] Compiling quant_dec.c
[113/127] Compiling vp8l_dec.c
[114/127] Compiling io_dec.c
[115/127] Compiling frame_dec.c
[116/127] Compiling idec_dec.c
[117/127] Write sources
[118/127] Compiling sharpyuv_sse2.c
[119/127] Compiling alpha_dec.c
[120/127] Compiling buffer_dec.c
[121/127] Compiling sharpyuv_dsp.c
[122/127] Compiling sharpyuv_csp.c
[123/127] Compiling sharpyuv_neon.c
[124/127] Compiling sharpyuv_cpu.c
[125/127] Compiling sharpyuv_gamma.c
[126/127] Compiling sharpyuv.c
[128/142] Compiling WebP WebPVersion.swift
[129/142] Compiling WebP WebPDecoder.swift
[130/142] Compiling WebP WebPDecoderConfig.swift
[131/142] Compiling WebP WebPError.swift
[132/142] Compiling WebP WebPEncoder.swift
[133/142] Compiling WebP WebPEncoderConfig.swift
[134/142] Emitting module WebP
[135/142] Compiling WebP WebPEncoder+CGImage.swift
[136/142] Compiling WebP WebPEncoder+Platform.swift
[137/142] Compiling WebP CGImage+Util.swift
/Users/admin/builder/spi-builder-workspace/Sources/WebP/CGImage+Util.swift:17:13: warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
15 | guard bitsPerComponent == 8,
16 | !bitmapInfo.contains(.floatComponents),
17 | decode == nil,
| | |- note: argument 'self' in call to operator function '==' has unsafe type 'Optional<UnsafePointer<CGFloat>>.Type'
| | |- note: reference to operator function '==' involves unsafe type 'UnsafePointer<CGFloat>'
| | `- note: reference to unsafe type 'UnsafePointer<CGFloat>'
| |- warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
| |- note: argument #0 in call to operator function '==' has unsafe type 'UnsafePointer<CGFloat>?'
| `- note: reference to property 'decode' involves unsafe type 'UnsafePointer<CGFloat>'
18 | let colorSpace,
19 | colorSpace.name == CGColorSpace.sRGB || colorSpace.name == CGColorSpaceCreateDeviceRGB().name
/Users/admin/builder/spi-builder-workspace/Sources/WebP/CGImage+Util.swift:79:9: warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
77 |
78 | // Drawing normalizes source channel order, but Core Graphics premultiplies alpha.
79 | try pixels.withUnsafeMutableBytes { buffer in
| | | `- note: argument #0 in call to instance method 'withUnsafeMutableBytes' has unsafe type '(UnsafeMutableRawBufferPointer) throws -> ()'
| | `- note: reference to instance method 'withUnsafeMutableBytes' involves unsafe type 'UnsafeMutableRawBufferPointer'
| `- warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
80 | // swift-format-ignore
81 | guard let context = unsafe CGContext(
[#StrictMemorySafety]: <https://docs.swift.org/compiler/documentation/diagnostics/strict-memory-safety>
[138/142] Compiling WebP InternalRawRepresentable.swift
/Users/admin/builder/spi-builder-workspace/Sources/WebP/CGImage+Util.swift:17:13: warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
15 | guard bitsPerComponent == 8,
16 | !bitmapInfo.contains(.floatComponents),
17 | decode == nil,
| | |- note: argument 'self' in call to operator function '==' has unsafe type 'Optional<UnsafePointer<CGFloat>>.Type'
| | |- note: reference to operator function '==' involves unsafe type 'UnsafePointer<CGFloat>'
| | `- note: reference to unsafe type 'UnsafePointer<CGFloat>'
| |- warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
| |- note: argument #0 in call to operator function '==' has unsafe type 'UnsafePointer<CGFloat>?'
| `- note: reference to property 'decode' involves unsafe type 'UnsafePointer<CGFloat>'
18 | let colorSpace,
19 | colorSpace.name == CGColorSpace.sRGB || colorSpace.name == CGColorSpaceCreateDeviceRGB().name
/Users/admin/builder/spi-builder-workspace/Sources/WebP/CGImage+Util.swift:79:9: warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
77 |
78 | // Drawing normalizes source channel order, but Core Graphics premultiplies alpha.
79 | try pixels.withUnsafeMutableBytes { buffer in
| | | `- note: argument #0 in call to instance method 'withUnsafeMutableBytes' has unsafe type '(UnsafeMutableRawBufferPointer) throws -> ()'
| | `- note: reference to instance method 'withUnsafeMutableBytes' involves unsafe type 'UnsafeMutableRawBufferPointer'
| `- warning: expression uses unsafe constructs but is not marked with 'unsafe' [#StrictMemorySafety]
80 | // swift-format-ignore
81 | guard let context = unsafe CGContext(
[#StrictMemorySafety]: <https://docs.swift.org/compiler/documentation/diagnostics/strict-memory-safety>
[139/142] Compiling WebP WebPDecodedStorage.swift
[140/142] Compiling WebP WebPDecoder+Platform.swift
[141/142] Compiling WebP WebPMemoryWriterOwner.swift
[142/142] Compiling WebP WebPImageInspector.swift
[143/143] Compiling WebP WithPixelAccess+Unsafe.swift
Build complete! (9.37s)
Build complete.
{
"dependencies" : [
{
"identity" : "libwebp-xcode",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/SDWebImage/libwebp-Xcode.git"
}
],
"manifest_display_name" : "WebP",
"name" : "WebP",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "11.0"
}
],
"products" : [
{
"name" : "WebP",
"targets" : [
"WebP"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"6"
],
"targets" : [
{
"c99name" : "WebPTests",
"module_type" : "SwiftTarget",
"name" : "WebPTests",
"path" : "Tests/WebPTests",
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/WebPTests/Resources/jiro.jpg",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"TestFixtures.swift",
"WebPBridgingTests.swift",
"WebPDecoderBufferTests.swift",
"WebPDecoderPlatformTests.swift",
"WebPEncoderCGImageTests.swift",
"WebPEncoderCoreTests.swift",
"WebPEncoderIOSTests.swift",
"WebPEncoderMacOSTests.swift",
"WebPImageInspectorTests.swift",
"WebPMemorySafetyTests.swift"
],
"target_dependencies" : [
"WebP"
],
"type" : "test"
},
{
"c99name" : "WebP",
"module_type" : "SwiftTarget",
"name" : "WebP",
"path" : "Sources/WebP",
"product_dependencies" : [
"libwebp"
],
"product_memberships" : [
"WebP"
],
"sources" : [
"CGImage+Util.swift",
"InternalRawRepresentable.swift",
"WebPDecodedStorage.swift",
"WebPDecoder+Platform.swift",
"WebPDecoder.swift",
"WebPDecoderConfig.swift",
"WebPEncoder+CGImage.swift",
"WebPEncoder+Platform.swift",
"WebPEncoder.swift",
"WebPEncoderConfig.swift",
"WebPError.swift",
"WebPImageInspector.swift",
"WebPMemoryWriterOwner.swift",
"WebPVersion.swift",
"WithPixelAccess+Unsafe.swift"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
Done.