linking of the package fails on ppc64le

[mcepl]

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Building of swipl (9.3.7) package on openSUSE fails on ppc64le architecture with this error:

[  213s] [2274/2598] : && /usr/bin/cc -fPIC -O2 -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -flto=auto -O2 -gdwarf-2 -g3  -flto=auto -Wl,--as-needed -shared  -o packages/xpce/pl2xpce.so [ ... zillion of .o object files ... ]  /usr/lib64/libXinerama.so  /usr/lib64/libXpm.so  /usr/lib64/libXext.so  /usr/lib64/libXt.so  /usr/lib64/libX11.so  /usr/lib64/libSM.so  /usr/lib64/libICE.so  /usr/lib64/libXft.so  /usr/lib64/libfreetype.so  /usr/lib64/libfontconfig.so  /usr/lib64/libjpeg.so && :
[  213s] /home/abuild/rpmbuild/BUILD/swipl-9.3.7/packages/xpce/src/h/kernel.h:1417:20: warning: type of ‘builtin_names’ does not match original declaration [-Wlto-type-mismatch]
[  213s]  1417 | extern struct name builtin_names[];     /* object-array of built-in's */
[  213s]       |                    ^
[  213s] /home/abuild/rpmbuild/BUILD/swipl-9.3.7/packages/xpce/src/ker/name.c:58:14: note: type ‘struct bname’ should match type ‘struct name’
[  213s]    58 | struct bname builtin_names[] =
[  213s]       |              ^
[  213s] /home/abuild/rpmbuild/BUILD/swipl-9.3.7/packages/xpce/src/ker/name.c:58:14: note: ‘builtin_names’ was previously declared here
[  213s] /home/abuild/rpmbuild/BUILD/swipl-9.3.7/packages/xpce/src/ker/name.c:58:14: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used
[  213s] ninja: build stopped: subcommand failed.

Complete build log