[Bug fortran/81253] Flags -march and -mtune are ignored
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81253 --- Comment #2 from Philipp --- Adding BOOT_CXXFLAGS doesn't help. The same error occurs.
[Bug fortran/81253] Flags -march and -mtune are ignored
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81253 --- Comment #1 from Andrew Pinski --- BOOT_CFLAGS and BOOT_CXXFLAGS .