[Bug libfortran/104006] [12 regression] power-ieee128 merge breaks Solaris build

["ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104006

--- Comment #12 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> That is weird.
> We have:
> ieee_arithmetic.lo: ieee/ieee_arithmetic.F90 ieee_exceptions.lo
> dependency and ieee_exceptions.mod is created when compiling
> ieee_exceptions.lo.

Here's what I see: ieee_exceptions.mod is missing.

$ make -n ieee_arithmetic.lo
/bin/ksh ./libtool  --tag=FC   --mode=compile
/var/gcc/regression/master/11.4-gcc/build/./gcc/gfortran
-B/var/gcc/regression/master/11.4-gcc/build/./gcc/
-B/vol/gcc/i386-pc-solaris2.11/bin/ -B/vol/gcc/i386-pc-solaris2.11/lib/
-isystem /vol/gcc/i386-pc-solaris2.11/include -isystem
/vol/gcc/i386-pc-solaris2.11/sys-include    -DHAVE_CONFIG_H -I.
-I/vol/gcc/src/hg/master/local/libgfortran 
-iquote/vol/gcc/src/hg/master/local/libgfortran/io
-I/vol/gcc/src/hg/master/local/libgfortran/../gcc
-I/vol/gcc/src/hg/master/local/libgfortran/../gcc/config
-I/vol/gcc/src/hg/master/local/libgfortran/../libquadmath -I../.././gcc
-I/vol/gcc/src/hg/master/local/libgfortran/../libgcc -I../libgcc
-I/vol/gcc/src/hg/master/local/libgfortran/../libbacktrace -I../libbacktrace
-I../libbacktrace  -I . -Wall -Werror -fimplicit-none -fno-repack-arrays
-fno-underscoring   -Wno-unused-dummy-argument -Wno-c-binding-type
-ffree-line-length-0 -fallow-leading-underscore -fsignaling-nans
-fbuilding-libgfortran -g -O2 -c -o ieee_arithmetic.lo
/vol/gcc/src/hg/master/local/libgfortran/ieee/ieee_arithmetic.F90
$ make -n ieee_exceptions.mod
:
$ make -n ieee_exceptions.lo
make: Nothing to be done for 'ieee_exceptions.lo'.

ieee_exceptions.lo doesn't exist either.