Swift Package IndexBuild Information
Failed to build MMLanScan, reference master (0ed541), with Swift 6.3 for macOS (SPM) on 15 Apr 2026 08:49:23 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/b5i/MMLanScan.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/b5i/MMLanScan
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 0ed541d Added support for SPM.
Cloned https://github.com/b5i/MMLanScan.git
Revision (git rev-parse @):
0ed541d3d19b871b41f8f84e891db0d7557c5186
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/b5i/MMLanScan.git at master
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ResolveProductDependencies
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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": "mmlanscan",
"name": "MMLanScan",
"url": "https://github.com/b5i/MMLanScan.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MMLanScan",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/b5i/MMLanScan.git
[1/639] Fetching mmlanscan
Fetched https://github.com/b5i/MMLanScan.git from cache (1.38s)
Creating working copy for https://github.com/b5i/MMLanScan.git
Working copy of https://github.com/b5i/MMLanScan.git resolved at master (0ed541d)
warning: '.resolve-product-dependencies': dependency 'mmlanscan' is not used by any target
Found 0 product dependencies
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/b5i/MMLanScan.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/PingOperation.m:12:
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/MacFinder.h:14:
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/route.h:138:11: error: type 'struct rtstat' has incompatible definitions in different translation units
138 | struct rtstat {
| ^
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk/usr/include/net/route.h:152:10: note: field 'rts_badrtgwroute' has type 'short' here
152 | short rts_badrtgwroute; /* route to gateway is not direct */
| ^
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/route.h:138:11: note: no corresponding field here
138 | struct rtstat {
| ^
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/PingOperation.m:12:
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/MacFinder.h:17:
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/if_ether.h:70:
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/if_arp.h:124:8: error: type 'struct arpstat' has incompatible definitions in different translation units
124 | struct arpstat {
| ^
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk/usr/include/net/if_arp.h:146:11: note: field 'held' has type 'uint32_t' (aka 'unsigned int') here
146 | uint32_t held; /* # of packets held waiting for a reply */
| ^
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/if_arp.h:124:8: note: no corresponding field here
124 | struct arpstat {
| ^
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/PingOperation.m:12:
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/MacFinder.h:17:
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/if_ether.h:113:8: error: type 'struct ether_arp' has incompatible definitions in different translation units
113 | struct ether_arp {
| ^
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/if_ether.h:116:12: note: field has name 'arp_spa' here
116 | u_char arp_spa[4]; /* sender protocol address */
| ^
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk/usr/include/netinet/if_ether.h:116:10: note: field has name 'arp_sha' here
116 | u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
| ^
3 errors generated.
[0/8] Compiling PingOperation.m
[0/8] Compiling MacFinder.m
[0/8] Compiling MMDevice.m
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/MMLANScanner.m:12:
In file included from /Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/MacFinder.h:14:
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/route.h:138:11: error: type 'struct rtstat' has incompatible definitions in different translation units
138 | struct rtstat {
| ^
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk/usr/include/net/route.h:152:10: note: field 'rts_badrtgwroute' has type 'short' here
152 | short rts_badrtgwroute; /* route to gateway is not direct */
| ^
/Users/admin/builder/spi-builder-workspace/MMLanScan/Misc/../External Libs/MacFinder/Network Headers/route.h:138:11: note: no corresponding field here
138 | struct rtstat {
| ^
[0/8] Compiling MMLANScanner.m
[0/8] Compiling LANProperties.m
[0/8] Compiling NetworkCalculator.m
[0/8] Compiling SimplePing.m
[0/8] Compiling MACOperation.m
BUILD FAILURE 6.3 macosSpm