bug#67608: qtbase fails to build on i686

[Maxim Cournoyer]

Hi,

After recent mesa/xorg upgrades, qtbase fails to build on i686, per
https://ci.guix.gnu.org/build/2700964/details.

--8<---------------cut here---------------start------------->8---
[ 59%] Building CXX object 
src/gui/CMakeFiles/Gui.dir/text/freetype/qfreetypefontdatabase.cpp.o
cd /tmp/guix-build-qtbase-6.5.2.drv-0/build/src/gui && 
/gnu/store/isbd8adggnzdprcd7fxxlck2f5iqamg5-gcc-11.3.0/bin/c++ 
-DENABLE_PIXMAN_DRAWHELPERS -DGui_EXPORTS -DQT_ASCII_CAST_WARNINGS 
-DQT_BUILDING_QT -DQT_BUILD_GUI_LIB -DQT_CORE_LIB -DQT_DBUS_LIB 
-DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_UP_TO=0x050000 
-DQT_EXPLICIT_QFILE_CONSTRUCTION_FROM_PATH -DQT_LEAN_HEADERS=1 -DQT_MOC_COMPAT 
-DQT_NO_AS_CONST=1 -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_EXCEPTIONS 
-DQT_NO_FOREACH -DQT_NO_JAVA_STYLE_ITERATORS 
-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_USING_NAMESPACE 
-DQT_QPA_DEFAULT_PLATFORM_NAME=\"xcb\" -DQT_USE_QSTRINGBUILDER 
-DQT_WARN_DEPRECATED_UP_TO=0x070000 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/src/gui/Gui_autogen/include 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtGui 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/src/gui 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui/../3rdparty/VulkanMemoryAllocator
 -I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtGui/6.5.2 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtGui/6.5.2/QtGui 
-I/gnu/store/nq8q5cnzhymc79c09z3a90qhg9l9aiy5-at-spi2-core-2.45.90/include/at-spi-2.0
 -I/gnu/store/gc967whfn0l9h11k3smzvd32i1w9dvw9-dbus-1.14.0/include/dbus-1.0 
-I/gnu/store/gc967whfn0l9h11k3smzvd32i1w9dvw9-dbus-1.14.0/lib/dbus-1.0/include 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtCore 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/mkspecs/linux-g++
 -I/tmp/guix-build-qtbase-6.5.2.drv-0/build/src/corelib 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtCore/6.5.2 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtCore/6.5.2/QtCore 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtDBus -isystem 
/gnu/store/3zs0f4vcbfl2f89jk90x6gpy6wjapv1n-glib-2.72.3/include/glib-2.0 
-isystem 
/gnu/store/3zs0f4vcbfl2f89jk90x6gpy6wjapv1n-glib-2.72.3/lib/glib-2.0/include 
-isystem 
/gnu/store/wjzil5rwysjdgldg48lvy3m93fnffpzv-freetype-2.13.0/include/freetype2 
-isystem 
/gnu/store/g4scmdws4ax4343k5cxj6bz8v86r3b6a-harfbuzz-5.3.1/include/harfbuzz 
-isystem 
/gnu/store/s5n48zg43qdqb4qinbngzbcsg0nkw52q-libpng-1.6.37/include/libpng16 -g 
-DNDEBUG -O3 -fPIC -fvisibility=hidden -fvisibility-inlines-hidden -Wall 
-Wextra -fno-exceptions -fPIC -Wsuggest-override -std=c++17 -MD -MT 
src/gui/CMakeFiles/Gui.dir/text/freetype/qfreetypefontdatabase.cpp.o -MF 
CMakeFiles/Gui.dir/text/freetype/qfreetypefontdatabase.cpp.o.d -o 
CMakeFiles/Gui.dir/text/freetype/qfreetypefontdatabase.cpp.o -c 
/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui/text/freetype/qfreetypefontdatabase.cpp
/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui/painting/qdrawhelper_avx2.cpp:
 In function ‘const QRgba64* fetchRGBA64ToRGBA64PM_avx2(QRgba64*, const uchar*, 
int, int, const QList<unsigned int>*, QDitherInfo*)’:
/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui/painting/qdrawhelper_avx2.cpp:1353:33:
 error: could not convert ‘vs’ from ‘__m128i’ to ‘QRgba64’
 1353 |         vs = multiplyAlpha65535(vs, va);
      |                                 ^~
      |                                 |
      |                                 __m128i
[ 59%] Building CXX object 
src/gui/CMakeFiles/Gui.dir/text/unix/qfontconfigdatabase.cpp.o
cd /tmp/guix-build-qtbase-6.5.2.drv-0/build/src/gui && 
/gnu/store/isbd8adggnzdprcd7fxxlck2f5iqamg5-gcc-11.3.0/bin/c++ 
-DENABLE_PIXMAN_DRAWHELPERS -DGui_EXPORTS -DQT_ASCII_CAST_WARNINGS 
-DQT_BUILDING_QT -DQT_BUILD_GUI_LIB -DQT_CORE_LIB -DQT_DBUS_LIB 
-DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_UP_TO=0x050000 
-DQT_EXPLICIT_QFILE_CONSTRUCTION_FROM_PATH -DQT_LEAN_HEADERS=1 -DQT_MOC_COMPAT 
-DQT_NO_AS_CONST=1 -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_EXCEPTIONS 
-DQT_NO_FOREACH -DQT_NO_JAVA_STYLE_ITERATORS 
-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_USING_NAMESPACE 
-DQT_QPA_DEFAULT_PLATFORM_NAME=\"xcb\" -DQT_USE_QSTRINGBUILDER 
-DQT_WARN_DEPRECATED_UP_TO=0x070000 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/src/gui/Gui_autogen/include 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtGui 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/src/gui 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui/../3rdparty/VulkanMemoryAllocator
 -I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtGui/6.5.2 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtGui/6.5.2/QtGui 
-I/gnu/store/nq8q5cnzhymc79c09z3a90qhg9l9aiy5-at-spi2-core-2.45.90/include/at-spi-2.0
 -I/gnu/store/gc967whfn0l9h11k3smzvd32i1w9dvw9-dbus-1.14.0/include/dbus-1.0 
-I/gnu/store/gc967whfn0l9h11k3smzvd32i1w9dvw9-dbus-1.14.0/lib/dbus-1.0/include 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtCore 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/mkspecs/linux-g++
 -I/tmp/guix-build-qtbase-6.5.2.drv-0/build/src/corelib 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtCore/6.5.2 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtCore/6.5.2/QtCore 
-I/tmp/guix-build-qtbase-6.5.2.drv-0/build/include/QtDBus -isystem 
/gnu/store/3zs0f4vcbfl2f89jk90x6gpy6wjapv1n-glib-2.72.3/include/glib-2.0 
-isystem 
/gnu/store/3zs0f4vcbfl2f89jk90x6gpy6wjapv1n-glib-2.72.3/lib/glib-2.0/include 
-isystem 
/gnu/store/wjzil5rwysjdgldg48lvy3m93fnffpzv-freetype-2.13.0/include/freetype2 
-isystem 
/gnu/store/g4scmdws4ax4343k5cxj6bz8v86r3b6a-harfbuzz-5.3.1/include/harfbuzz 
-isystem 
/gnu/store/s5n48zg43qdqb4qinbngzbcsg0nkw52q-libpng-1.6.37/include/libpng16 -g 
-DNDEBUG -O3 -fPIC -fvisibility=hidden -fvisibility-inlines-hidden -Wall 
-Wextra -fno-exceptions -fPIC -Wsuggest-override -std=c++17 -MD -MT 
src/gui/CMakeFiles/Gui.dir/text/unix/qfontconfigdatabase.cpp.o -MF 
CMakeFiles/Gui.dir/text/unix/qfontconfigdatabase.cpp.o.d -o 
CMakeFiles/Gui.dir/text/unix/qfontconfigdatabase.cpp.o -c 
/tmp/guix-build-qtbase-6.5.2.drv-0/qtbase-everywhere-src-6.5.2/src/gui/text/unix/qfontconfigdatabase.cpp
make[2]: *** [src/gui/CMakeFiles/Gui.dir/build.make:3093: 
src/gui/CMakeFiles/Gui.dir/painting/qdrawhelper_avx2.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/tmp/guix-build-qtbase-6.5.2.drv-0/build'
make[1]: *** [CMakeFiles/Makefile2:21588: src/gui/CMakeFiles/Gui.dir/all] Error 
2
make[1]: Leaving directory '/tmp/guix-build-qtbase-6.5.2.drv-0/build'
make: *** [Makefile:149: all] Error 2
error: in phase 'build': uncaught exception:
%exception #<&invoke-error program: "make" arguments: ("-j" "16") exit-status: 
2 term-signal: #f stop-signal: #f> 
phase `build' failed after 578.8 seconds
command "make" "-j" "16" failed with status 2
builder for `/gnu/store/rja0mdhh29hl3rr5mk9xa2mq55x3g0ja-qtbase-6.5.2.drv' 
failed with exit code 1
@ build-failed /gnu/store/rja0mdhh29hl3rr5mk9xa2mq55x3g0ja-qtbase-6.5.2.drv - 1 
builder for `/gnu/store/rja0mdhh29hl3rr5mk9xa2mq55x3g0ja-qtbase-6.5.2.drv' 
failed with exit code 1
--8<---------------cut here---------------end--------------->8---

CC'ing John in case they'd have a clue as to what this may be caused by.

-- 
Thanks,
Maxim