Re: pkg/60241: qt6-qtbase: Build fails on macOS with error "implicitly declaring library function '__yield' with type 'void ()'"

The following reply was made to PR pkg/60241; it has been noted by GNATS.

From: [email protected]
To: [email protected]
Cc: 
Subject: Re: pkg/60241: qt6-qtbase: Build fails on macOS with error
 "implicitly declaring library function '__yield' with type 'void ()'"
Date: Sat, 9 May 2026 16:09:16 +0100

 >   > /opt/pkgsrc/x11/qt6-qtbase/work/qtbase-everywhere-src-6.10.2/src/corelib/thread/qyieldcpu.h:37:5: error: implicitly declaring library function '__yield' with type 'void ()'
 >   >       [-Werror,-Wimplicit-function-declaration]
 >   >    37 |     __yield();              // Generic
 >   
 >   This is related to xcode 26.4 which I believe released after 2026Q1.
 >   It should be fixed in pkgsrc-current with this commit:
 >   
 >   https://mail-index.netbsd.org/pkgsrc-changes/2026/03/27/msg342910.html
 
 Kind of?
 
 The specific build issue that I brought up in the PR description is now 
 gone, but it is replaced with a different issue. About 1/3 of the way 
 through the build, it fails with this error message:
 
 ```
 dyld[56301]: Library not loaded: @rpath/libQt6Core.6.dylib
    Referenced from: <36F71CBD-69D0-3839-862C-912FBED36F8F> 
 /opt/pkgsrc/x11/qt6-qtbase/work/qtbase-everywhere-src-6.10.2/libexec/rcc
    Reason: tried: '/opt/pkg/lib/libQt6Core.6.dylib' (no such file), 
 '/System/Volumes/Preboot/Cryptexes/OS/opt/pkg/lib/libQt6Core.6.dylib' 
 (no such file), '/opt/pkg/lib/libQt6Core.6.dylib' (no such file), 
 '/System/Volumes/Preboot/Cryptexes/OS/opt/pkg/lib/libQt6Core.6.dylib' 
 (no such file)
 /bin/sh: line 1: 56301 Abort trap: 6  ../../../libexec/rcc --output 
 /opt/pkgsrc/x11/qt6-qtbase/work/qtbase-everywhere-src-6.10.2/src/assets/icons/.qt/rcc/qrc_example_icons.cpp 
 --name example_icons 
 /opt/pkgsrc/x11/qt6-qtbase/work/qtbase-everywhere-src-6.10.2/src/assets/icons/.qt/rcc/example_icons.qrc
 gmake[2]: *** 
 [src/assets/icons/CMakeFiles/ExampleIconsPrivate.dir/build.make:235: 
 src/assets/icons/.qt/rcc/qrc_example_icons.cpp] Error 134
 gmake[1]: *** [CMakeFiles/Makefile2:10657: 
 src/assets/icons/CMakeFiles/ExampleIconsPrivate.dir/all] Error 2
 ```