[Bug bootstrap/95122] Cross-compile arm32 toolchain with hard float, but Error in gcc final

[sch...@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95122

--- Comment #2 from Andreas Schwab <sch...@linux-m68k.org> ---
$ CFLAGS_FOR_TARGET="${-march=armv7-a -mhard-float}"
bash: ${-march=armv7-a -mhard-float}: bad substitution